BLFS Insider Trading

Insider Ownership Percentage: 2.20%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $1,770,306.28

BioLife Solutions Insider Trading History Chart

This chart shows the insider buying and selling history at BioLife Solutions by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

BioLife Solutions Share Price & Price History

Current Price: $23.33
Price Change: Price Decrease of -0.73 (-3.03%)
As of 10/31/2024 03:59 PM ET

This chart shows the closing price history over time for BLFS up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

BioLife Solutions Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
10/15/2024Aby J. MathewEVPSell10,000$23.28$232,800.00317,716View SEC Filing Icon  
9/18/2024Aby J. MathewEVPSell10,000$23.90$239,000.00317,716View SEC Filing Icon  
9/16/2024Aby J. MathewEVPSell343$25.12$8,616.16317,716View SEC Filing Icon  
9/16/2024Garrie RichardsonCROSell3,070$25.12$77,118.40114,773View SEC Filing Icon  
9/16/2024Karen A. FosterInsiderSell267$25.12$6,707.04157,568View SEC Filing Icon  
9/16/2024Todd BerardCMOSell367$25.12$9,219.04108,158View SEC Filing Icon  
9/16/2024Troy WichtermanCFOSell611$25.12$15,348.32124,388View SEC Filing Icon  
8/21/2024Aby J. MathewEVPSell111$25.61$2,842.71318,059View SEC Filing Icon  
8/21/2024Karen A. FosterInsiderSell96$25.61$2,458.56157,835View SEC Filing Icon  
8/21/2024Todd BerardCMOSell82$25.61$2,100.02108,525View SEC Filing Icon  
8/21/2024Troy WichtermanCFOSell142$25.61$3,636.62124,999View SEC Filing Icon  
7/18/2024Karen A. FosterInsiderSell240$22.50$5,400.00157,931View SEC Filing Icon  
7/11/2024Aby J. MathewEVPSell313$20.54$6,429.02318,170View SEC Filing Icon  
7/11/2024Sarah AebersoldInsiderSell187$20.54$3,840.9861,496View SEC Filing Icon  
7/11/2024Todd BerardCMOSell287$20.54$5,894.98108,607View SEC Filing Icon  
7/11/2024Troy WichtermanCFOSell828$20.54$17,007.12125,141View SEC Filing Icon  
7/1/2024Sarah AebersoldInsiderSell3,000$21.03$63,090.0061,683View SEC Filing Icon  
6/14/2024Todd BerardCMOSell10,000$20.18$201,800.00108,894View SEC Filing Icon  
5/29/2024Aby J. MathewEVPSell517$21.78$11,260.26318,483View SEC Filing Icon  
5/29/2024Karen A. FosterInsiderSell408$21.78$8,886.24158,171View SEC Filing Icon  
5/29/2024Todd BerardCMOSell345$21.78$7,514.10118,894View SEC Filing Icon  
5/29/2024Troy WichtermanCFOSell574$21.78$12,501.72125,969View SEC Filing Icon  
5/17/2024Aby J. MathewEVPSell98$22.18$2,173.64319,000View SEC Filing Icon  
5/17/2024Karen A. FosterInsiderSell85$22.18$1,885.30158,579View SEC Filing Icon  
5/17/2024Todd BerardCMOSell73$22.18$1,619.14119,239View SEC Filing Icon  
5/17/2024Troy WichtermanCFOSell115$22.18$2,550.70126,543View SEC Filing Icon  
4/22/2024Sarah AebersoldInsiderSell410$16.50$6,765.0065,085View SEC Filing Icon  
4/18/2024Aby J. MathewEVPSell584$15.31$8,941.04319,098View SEC Filing Icon  
4/18/2024Sarah AebersoldInsiderSell348$15.31$5,327.8865,495View SEC Filing Icon  
4/18/2024Todd BerardCMOSell332$15.31$5,082.92129,312View SEC Filing Icon  
4/18/2024Troy WichtermanCFOSell956$15.31$14,636.36126,658View SEC Filing Icon  
4/15/2024Todd BerardCMOSell10,000$15.67$156,700.00129,644View SEC Filing Icon  
4/1/2024Sarah AebersoldInsiderSell4,000$17.65$70,600.0065,843View SEC Filing Icon  
3/27/2024Aby J. MathewEVPSell454$17.99$8,167.46319,682View SEC Filing Icon  
3/27/2024Karen A. FosterInsiderSell395$17.99$7,106.05159,145View SEC Filing Icon  
3/27/2024Todd BerardCMOSell515$17.99$9,264.85139,644View SEC Filing Icon  
3/21/2024Troy WichtermanCFOSell520$17.83$9,271.60127,614View SEC Filing Icon  
3/12/2024Amy DurossDirectorSell6,135$16.86$103,436.1034,508View SEC Filing Icon  
3/12/2024Roderick de GreefCEOSell7,249$16.60$120,333.40461,854View SEC Filing Icon  
3/11/2024Aby J. MathewEVPSell313$17.42$5,452.46326,657View SEC Filing Icon  
3/11/2024Geraint PhillipsSVPSell206$17.42$3,588.5269,596View SEC Filing Icon  
3/11/2024Karen A. FosterInsiderSell319$17.42$5,556.98164,717View SEC Filing Icon  
3/11/2024Todd BerardCMOSell401$17.42$6,985.42147,266View SEC Filing Icon  
3/11/2024Troy WichtermanCFOSell361$17.42$6,288.62135,383View SEC Filing Icon  
2/21/2024Aby J. MathewEVPSell101$17.35$1,752.35275,214View SEC Filing Icon  
2/21/2024Geraint PhillipsSVPSell131$17.35$2,272.8558,120View SEC Filing Icon  
2/21/2024Sarah AebersoldInsiderSell58$17.35$1,006.3041,806View SEC Filing Icon  
2/21/2024Todd BerardCMOSell111$17.35$1,925.85115,688View SEC Filing Icon  
2/21/2024Troy WichtermanCFOSell97$17.35$1,682.9564,823View SEC Filing Icon  
1/23/2024Sarah AebersoldInsiderSell336$17.11$5,748.9641,864View SEC Filing Icon  
1/19/2024Aby J. MathewEVPSell1,450$16.76$24,302.00275,315View SEC Filing Icon  
1/19/2024Geraint PhillipsSVPSell1,776$16.76$29,765.7658,251View SEC Filing Icon  
1/19/2024Roderick de GreefCEOSell2,642$16.76$44,279.92439,897View SEC Filing Icon  
1/19/2024Karen A. FosterInsiderSell1,198$16.76$20,078.48124,027View SEC Filing Icon  
1/19/2024Todd BerardCMOSell1,232$16.76$20,648.32115,799View SEC Filing Icon  
1/19/2024Troy WichtermanCFOSell2,419$16.76$40,542.4464,920View SEC Filing Icon  
1/2/2024Aby J. MathewEVPSell697$16.75$11,674.75276,765View SEC Filing Icon  
1/2/2024Karen A. FosterInsiderSell601$16.75$10,066.75125,225View SEC Filing Icon  
1/2/2024Todd BerardCMOSell491$16.75$8,224.25117,031View SEC Filing Icon  
12/22/2023Troy WichtermanCFOSell314$16.79$5,272.0667,339View SEC Filing Icon  
12/1/2023Aby J. MathewEVPSell591$12.37$7,310.67275,961View SEC Filing Icon  
12/1/2023Geraint PhillipsSVPSell303$12.37$3,748.1159,587View SEC Filing Icon  
12/1/2023Karen A. FosterInsiderSell466$12.37$5,764.42125,340View SEC Filing Icon  
12/1/2023Todd BerardCMOSell394$12.37$4,873.78117,522View SEC Filing Icon  
12/1/2023Troy WichtermanCFOSell666$12.37$8,238.4267,112View SEC Filing Icon  
11/13/2023Aby J. MathewEVPSell132$10.77$1,421.64275,726View SEC Filing Icon  
11/13/2023Geraint PhillipsSVPSell111$10.66$1,183.2659,656View SEC Filing Icon  
11/13/2023Karen A. FosterInsiderSell114$10.77$1,227.78125,539View SEC Filing Icon  
11/13/2023Todd BerardCMOSell98$10.77$1,055.46117,916View SEC Filing Icon  
11/13/2023Troy WichtermanCFOSell97$10.66$1,034.0267,480View SEC Filing Icon  
10/30/2023Michael RiceCEOSell72,603$9.13$662,865.39347,085View SEC Filing Icon  
10/19/2023Casdin Partners Master Fund, LMajor ShareholderBuy927,165$11.19$10,374,976.358,557,165View SEC Filing Icon  
9/28/2023Aby J. MathewEVPSell659$14.16$9,331.44273,121View SEC Filing Icon  
9/28/2023Karen A. FosterInsiderSell568$14.16$8,042.88124,767View SEC Filing Icon  
9/28/2023Michael RiceCEOSell831$14.16$11,766.96418,635View SEC Filing Icon  
9/28/2023Todd BerardCMOSell464$14.16$6,570.24118,014View SEC Filing Icon  
9/21/2023Troy WichtermanCFOSell539$12.70$6,845.3066,300View SEC Filing Icon  
8/25/2023Aby J. MathewEVPSell519$10.99$5,703.81271,220View SEC Filing Icon  
8/25/2023Geraint PhillipsSVPSell179$10.99$1,967.2158,045View SEC Filing Icon  
8/25/2023Karen A. FosterInsiderSell410$10.99$4,505.90124,342View SEC Filing Icon  
8/25/2023Marcus SchulzCROSell347$10.99$3,813.5342,097View SEC Filing Icon  
8/25/2023Michael RiceCEOSell1,729$10.99$19,001.71416,906View SEC Filing Icon  
8/25/2023Troy WichtermanCFOSell585$10.99$6,429.1565,933View SEC Filing Icon  
8/14/2023Aby J. MathewEVPSell180$12.38$2,228.40271,739View SEC Filing Icon  
8/14/2023Geraint PhillipsSVPSell109$12.57$1,370.1358,224View SEC Filing Icon  
8/14/2023Karen A. FosterInsiderSell156$12.38$1,931.28124,752View SEC Filing Icon  
8/14/2023Marcus SchulzCROSell108$12.38$1,337.0442,444View SEC Filing Icon  
8/14/2023Michael RiceCEOSell277$12.38$3,429.26418,635View SEC Filing Icon  
8/14/2023Todd BerardCMOSell134$12.38$1,658.92118,825View SEC Filing Icon  
8/14/2023Troy WichtermanCFOSell94$12.57$1,181.5866,518View SEC Filing Icon  
8/9/2023Casdin Partners Master Fund, LMajor ShareholderBuy58,465$13.20$771,738.007,630,000View SEC Filing Icon  
7/24/2023Marcus SchulzCROSell679$19.50$13,240.5042,552View SEC Filing Icon  
7/24/2023Sarah AebersoldInsiderSell462$19.50$9,009.0043,983View SEC Filing Icon  
7/20/2023Aby J. MathewEVPSell10,000$20.07$200,700.00271,919View SEC Filing Icon  
7/11/2023Marcus SchulzCROSell331$22.79$7,543.4943,231View SEC Filing Icon  
6/27/2023Aby J. MathewEVPSell695$22.91$15,922.45271,919View SEC Filing Icon  
6/27/2023Karen A. FosterInsiderSell590$22.91$13,516.90124,908View SEC Filing Icon  
6/27/2023Michael RiceCEOSell877$22.91$20,092.07418,912View SEC Filing Icon  
6/27/2023Todd BerardCMOSell489$22.91$11,202.99118,959View SEC Filing Icon  
6/22/2023Aby J. MathewEVPSell10,000$23.32$233,200.00272,614View SEC Filing Icon  
6/22/2023Troy WichtermanCFOSell541$23.41$12,664.8166,612View SEC Filing Icon  
5/31/2023Aby J. MathewEVPSell504$23.21$11,697.84272,614View SEC Filing Icon  
5/31/2023Geraint PhillipsSVPSell174$23.21$4,038.5458,333View SEC Filing Icon  
5/31/2023Karen A. FosterInsiderSell392$23.21$9,098.32125,498View SEC Filing Icon  
5/31/2023Michael RiceCEOSell1,679$23.21$38,969.59419,789View SEC Filing Icon  
5/31/2023Todd BerardCMOSell337$23.21$7,821.77119,448View SEC Filing Icon  
5/31/2023Troy WichtermanCFOSell560$23.21$12,997.6067,153View SEC Filing Icon  
5/24/2023Aby J. MathewEVPSell10,000$22.14$221,400.00273,118View SEC Filing Icon  
5/22/2023Casdin Partners Master Fund, LMajor ShareholderBuy24,973$21.86$545,909.78150,000View SEC Filing Icon  
5/18/2023Casdin Partners Master Fund, LMajor ShareholderBuy30,000$21.76$652,800.0075,027View SEC Filing Icon  
5/17/2023Michael RiceCEOSell33,333$21.04$701,326.32421,468View SEC Filing Icon  
5/16/2023Casdin Partners Master Fund, LMajor ShareholderBuy15,000$20.19$302,850.0015,000View SEC Filing Icon  
5/16/2023Geraint PhillipsSVPSell100$19.41$1,941.0058,507View SEC Filing Icon  
5/16/2023Troy WichtermanCFOSell137$19.41$2,659.1767,713View SEC Filing Icon  
5/15/2023Aby J. MathewEVPSell125$18.71$2,338.75273,118View SEC Filing Icon  
5/15/2023Karen A. FosterInsiderSell106$18.71$1,983.26125,890View SEC Filing Icon  
5/15/2023Marcus SchulzCROSell75$18.71$1,403.2543,899View SEC Filing Icon  
5/15/2023Michael RiceCEOSell190$18.71$3,554.90454,801View SEC Filing Icon  
5/15/2023Todd BerardCMOSell92$18.71$1,721.32119,785View SEC Filing Icon  
4/19/2023Aby J. MathewEVPSell10,000$19.47$194,700.00268,352View SEC Filing Icon  
4/19/2023Marcus SchulzCROSell430$19.33$8,311.9041,062View SEC Filing Icon  
4/19/2023Sarah AebersoldInsiderSell292$19.33$5,644.3642,059View SEC Filing Icon  
4/14/2023Marcus SchulzCROSell215$21.05$4,525.7541,492View SEC Filing Icon  
4/6/2023Aby J. MathewEVPSell2,093$20.03$41,922.79268,352View SEC Filing Icon  
4/6/2023Karen A. FosterInsiderSell1,101$20.03$22,053.03121,839View SEC Filing Icon  
4/6/2023Marcus SchulzCROSell771$20.03$15,443.1341,707View SEC Filing Icon  
4/6/2023Michael RiceCEOSell3,214$20.03$64,376.42447,480View SEC Filing Icon  
4/6/2023Todd BerardCMOSell1,545$20.03$30,946.35116,267View SEC Filing Icon  
3/29/2023Aby J. MathewEVPSell741$20.62$15,279.42270,445View SEC Filing Icon  
3/29/2023Karen A. FosterInsiderSell390$20.62$8,041.80122,940View SEC Filing Icon  
3/29/2023Michael RiceCEOSell936$20.62$19,300.32450,694View SEC Filing Icon  
3/29/2023Todd BerardCMOSell521$20.62$10,743.02117,812View SEC Filing Icon  
3/22/2023Aby J. MathewEVPSell10,000$21.44$214,400.00271,186View SEC Filing Icon  
3/22/2023Troy WichtermanCFOSell310$21.84$6,770.4067,850View SEC Filing Icon  
3/20/2023Troy WichtermanCFOSell10,000$20.64$206,400.0068,160View SEC Filing Icon  
3/7/2023Aby J. MathewEVPSell415$22.95$9,524.25271,186View SEC Filing Icon  
3/7/2023Karen A. FosterInsiderSell175$22.95$4,016.25123,330View SEC Filing Icon  
3/7/2023Michael RiceCEOSell549$22.95$12,599.55451,630View SEC Filing Icon  
3/7/2023Troy WichtermanCFOSell31$22.95$711.4577,222View SEC Filing Icon  
3/1/2023Aby J. MathewEVPSell2,086$22.75$47,456.50271,601View SEC Filing Icon  
3/1/2023Geraint PhillipsSVPSell844$22.75$19,201.0058,607View SEC Filing Icon  
3/1/2023Karen A. FosterInsiderSell1,203$22.75$27,368.25123,505View SEC Filing Icon  
3/1/2023Marcus SchulzCROSell903$22.75$20,543.2542,478View SEC Filing Icon  
3/1/2023Michael RiceCEOSell4,290$22.75$97,597.50452,179View SEC Filing Icon  
3/1/2023Todd BerardCMOSell874$22.75$19,883.50118,333View SEC Filing Icon  
3/1/2023Troy WichtermanCFOSell1,576$22.75$35,854.0077,253View SEC Filing Icon  
2/21/2023Geraint PhillipsSVPSell133$21.47$2,855.5159,451View SEC Filing Icon  
2/21/2023Troy WichtermanCFOSell117$21.47$2,511.9978,829View SEC Filing Icon  
2/9/2023Aby J. MathewEVPSell78$24.60$1,918.80273,687View SEC Filing Icon  
2/9/2023Karen A. FosterInsiderSell81$24.60$1,992.60124,708View SEC Filing Icon  
2/9/2023Marcus SchulzCROSell56$24.60$1,377.6043,381View SEC Filing Icon  
2/9/2023Michael RiceCEOSell144$24.60$3,542.40456,469View SEC Filing Icon  
2/8/2023Todd BerardCMOSell9,000$25.13$226,170.00119,265View SEC Filing Icon  
2/2/2023Aby J. MathewEVPSell10,000$24.85$248,500.00273,765View SEC Filing Icon  
1/23/2023Marcus SchulzCROSell1,000$25.02$25,020.0043,437View SEC Filing Icon  
1/23/2023Todd BerardCMOSell3,500$25.01$87,535.00119,265View SEC Filing Icon  
1/19/2023Sarah AebersoldInsiderSell374$22.93$8,575.8244,167View SEC Filing Icon  
1/18/2023Marcus SchulzCROSell3,000$25.04$75,120.0044,975View SEC Filing Icon  
1/18/2023Todd BerardCMOSell6,500$25.04$162,760.00119,265View SEC Filing Icon  
1/11/2023Marcus SchulzCROSell258$21.94$5,660.5247,975View SEC Filing Icon  
1/3/2023Aby J. MathewEVPSell10,000$17.77$177,700.00252,826View SEC Filing Icon  
12/28/2022Aby J. MathewEVPSell712$16.90$12,032.80252,826View SEC Filing Icon  
12/28/2022Karen A. FosterInsiderSell605$16.90$10,224.50107,811View SEC Filing Icon  
12/28/2022Michael RiceCEOSell898$16.90$15,176.20357,575View SEC Filing Icon  
12/28/2022Todd BerardCMOSell501$16.90$8,466.90107,380View SEC Filing Icon  
12/22/2022Troy WichtermanCFOSell528$17.55$9,266.4044,651View SEC Filing Icon  
11/30/2022Roderick de GreefCOOSell33,905$20.59$698,103.9534,314View SEC Filing Icon  
11/29/2022Aby J. MathewEVPSell436$19.93$8,689.48253,538View SEC Filing Icon  
11/29/2022Karen A. FosterInsiderSell307$19.93$6,118.51108,416View SEC Filing Icon  
11/29/2022Michael RiceCEOSell931$19.93$18,554.83358,473View SEC Filing Icon  
11/29/2022Troy WichtermanCFOSell52$19.93$1,036.3645,179View SEC Filing Icon  
11/28/2022Roderick de GreefCOOSell10,000$21.12$211,200.0069,719View SEC Filing Icon  
11/23/2022Roderick de GreefCOOSell4,500$21.71$97,695.0079,719View SEC Filing Icon  
11/22/2022Troy WichtermanCFOSell121$20.20$2,444.2045,231View SEC Filing Icon  
11/21/2022Roderick de GreefCOOSell9,500$21.63$205,485.0084,219View SEC Filing Icon  
11/18/2022Roderick de GreefCOOSell1,500$22.13$33,195.0093,719View SEC Filing Icon  
11/16/2022Roderick de GreefCOOSell1,500$23.21$34,815.0095,219View SEC Filing Icon  
11/15/2022Amy DurossDirectorSell2,600$24.35$63,310.0018,157View SEC Filing Icon  
11/14/2022Roderick de GreefCOOSell20,000$23.86$477,200.0096,719View SEC Filing Icon  
11/10/2022Aby J. MathewEVPSell107$23.16$2,478.12253,974View SEC Filing Icon  
11/10/2022Karen A. FosterInsiderSell91$23.16$2,107.56108,723View SEC Filing Icon  
11/10/2022Marcus SchulzCROSell40$23.16$926.4035,500View SEC Filing Icon  
11/10/2022Michael RiceCEOSell164$23.16$3,798.24362,154View SEC Filing Icon  
11/10/2022Sarah AebersoldVPSell38$23.16$880.0832,091View SEC Filing Icon  
11/10/2022Todd BerardCMOSell50$23.16$1,158.00107,881View SEC Filing Icon  
10/28/2022Marcus SchulzCROSell400$21.76$8,704.0035,540View SEC Filing Icon  
10/28/2022Sarah AebersoldVPSell272$21.76$5,918.7232,129View SEC Filing Icon  
10/14/2022Marcus SchulzCROSell236$21.80$5,144.8035,940View SEC Filing Icon  
10/7/2022Roderick de GreefCOOSell8,552$22.69$194,044.88116,719View SEC Filing Icon  
10/3/2022Roderick de GreefCOOSell1,233$21.95$27,064.35125,271View SEC Filing Icon  
9/29/2022Aby J. MathewEVPSell657$23.02$15,124.14254,081View SEC Filing Icon  
9/29/2022Karen A. FosterInsiderSell559$23.02$12,868.18108,814View SEC Filing Icon  
9/29/2022Michael RiceCEOSell830$23.02$19,106.60362,318View SEC Filing Icon  
9/29/2022Todd BerardCMOSell463$23.02$10,658.26107,931View SEC Filing Icon  
9/23/2022Troy WichtermanCFOSell569$21.91$12,466.7945,352View SEC Filing Icon  
8/16/2022Troy WichtermanCFOSell116$24.81$2,877.9645,972View SEC Filing Icon  
8/10/2022Aby J. MathewEVPSell112$23.17$2,595.04254,752View SEC Filing Icon  
8/10/2022Karen A. FosterInsiderSell95$23.17$2,201.15109,394View SEC Filing Icon  
8/10/2022Marcus SchulzCROSell42$23.17$973.1436,176View SEC Filing Icon  
8/10/2022Michael RiceCEOSell171$23.17$3,962.07363,550View SEC Filing Icon  
8/10/2022Sarah AebersoldVPSell40$23.17$926.8032,401View SEC Filing Icon  
8/10/2022Todd BerardCMOSell52$23.17$1,204.84108,394View SEC Filing Icon  
8/3/2022Marcus SchulzCROSell4,600$20.03$92,138.0036,218View SEC Filing Icon  
7/22/2022Marcus SchulzCROSell367$17.94$6,583.9840,818View SEC Filing Icon  
7/22/2022Sarah AebersoldVPSell252$17.85$4,498.2032,441View SEC Filing Icon  
7/12/2022Roderick de GreefCOOSell9,158$15.79$144,604.82124,458View SEC Filing Icon  
7/12/2022Marcus SchulzCROSell254$15.79$4,010.6641,185View SEC Filing Icon  
6/28/2022Aby J. MathewEVPSell704$14.86$10,461.44253,015View SEC Filing Icon  
6/28/2022Karen A. FosterInsiderSell598$14.86$8,886.28108,236View SEC Filing Icon  
6/28/2022Michael RiceCEOSell889$14.86$13,210.54361,452View SEC Filing Icon  
6/28/2022Todd BerardCMOSell495$14.86$7,355.70108,446View SEC Filing Icon  
6/24/2022Troy WichtermanCFOSell456$15.95$7,273.2044,799View SEC Filing Icon  
5/27/2022Aby J. MathewEVPSell351$14.53$5,100.03252,251View SEC Filing Icon  
5/27/2022Karen A. FosterInsiderSell174$14.53$2,528.22107,839View SEC Filing Icon  
5/27/2022Michael RiceCEOSell749$14.53$10,882.97360,541View SEC Filing Icon  
5/27/2022Troy WichtermanCFOSell43$14.53$624.7944,418View SEC Filing Icon  
5/13/2022Aby J. MathewEVPSell108$12.32$1,330.56251,816View SEC Filing Icon  
5/13/2022Karen A. FosterInsiderSell58$12.32$714.56107,480View SEC Filing Icon  
5/13/2022Marcus SchulzCROSell41$12.32$505.1241,439View SEC Filing Icon  
5/13/2022Michael RiceCEOSell165$12.32$2,032.80360,326View SEC Filing Icon  
5/13/2022Sarah AebersoldVPSell40$12.32$492.8032,693View SEC Filing Icon  
5/13/2022Todd BerardCMOSell51$12.32$628.32108,941View SEC Filing Icon  
5/13/2022Troy WichtermanCFOSell125$12.32$1,540.0044,013View SEC Filing Icon  
4/21/2022Marcus SchulzCROSell477$13.94$6,649.3841,480View SEC Filing Icon  
4/21/2022Sarah AebersoldVPSell325$13.94$4,530.5032,733View SEC Filing Icon  
4/18/2022Aby J. MathewEVPSell19,325$17.59$339,926.75251,924View SEC Filing Icon  
4/18/2022Roderick de GreefCOOSell18,530$17.59$325,942.70129,780View SEC Filing Icon  
4/18/2022Karen A. FosterInsiderSell16,413$17.59$288,704.67107,538View SEC Filing Icon  
4/18/2022Marcus SchulzCROSell286$17.59$5,030.7441,957View SEC Filing Icon  
4/18/2022Michael RiceCEOSell24,400$17.59$429,196.00360,491View SEC Filing Icon  
4/18/2022Todd BerardCMOSell13,581$17.59$238,889.79108,992View SEC Filing Icon  
4/13/2022Michael RiceCEOSell10,000$19.06$190,600.00384,891View SEC Filing Icon  
4/11/2022Michael RiceCEOSell10,000$19.55$195,500.00327,155View SEC Filing Icon  
4/7/2022Roderick de GreefCOOSell10,713$21.82$233,757.66104,464View SEC Filing Icon  
3/29/2022Aby J. MathewEVPSell658$22.24$14,633.92View SEC Filing Icon  
3/29/2022Karen A. FosterInsiderSell547$22.24$12,165.28View SEC Filing Icon  
3/29/2022Michael RiceCEOSell830$22.24$18,459.20View SEC Filing Icon  
3/29/2022Todd BerardCMOSell475$22.24$10,564.00View SEC Filing Icon  
3/22/2022Troy WichtermanCFOSell551$23.06$12,706.06View SEC Filing Icon  
3/9/2022Michael RiceCEOSell10,000$23.81$238,100.00View SEC Filing Icon  
3/7/2022Michael RiceCEOSell10,000$23.80$238,000.00View SEC Filing Icon  
3/1/2022Aby J. MathewEVPSell412$23.78$9,797.36View SEC Filing Icon  
3/1/2022Karen A. FosterInsiderSell221$23.78$5,255.38View SEC Filing Icon  
3/1/2022Michael RiceCEOSell874$23.78$20,783.72View SEC Filing Icon  
3/1/2022Troy WichtermanCFOSell56$23.78$1,331.68View SEC Filing Icon  
2/15/2022Troy WichtermanCFOSell695$26.57$18,466.15View SEC Filing Icon  
2/10/2022Aby J. MathewEVPSell450$29.38$13,221.00View SEC Filing Icon  
2/10/2022Karen A. FosterInsiderSell293$29.38$8,608.34View SEC Filing Icon  
2/10/2022Marcus SchulzCROSell167$29.38$4,906.46View SEC Filing Icon  
2/10/2022Michael RiceCEOSell690$29.38$20,272.20View SEC Filing Icon  
2/10/2022Sarah AebersoldVPSell197$29.38$5,787.86View SEC Filing Icon  
2/10/2022Todd BerardCMOSell254$29.38$7,462.52View SEC Filing Icon  
2/3/2022Michael RiceCEOSell16,670$27.84$464,092.80View SEC Filing Icon  
2/2/2022Aby J. MathewEVPSell10,000$29.88$298,800.00View SEC Filing Icon  
2/1/2022Michael RiceCEOSell16,666$29.90$498,313.40View SEC Filing Icon  
1/20/2022Marcus SchulzCROSell395$30.24$11,944.80View SEC Filing Icon  
1/20/2022Sarah AebersoldVPSell332$30.24$10,039.68View SEC Filing Icon  
1/12/2022Marcus SchulzCROSell267$32.18$8,592.06View SEC Filing Icon  
1/12/2022Michael RiceCEOSell16,666$31.72$528,645.52View SEC Filing Icon  
1/10/2022Michael RiceCEOSell16,666$30.83$513,812.78View SEC Filing Icon  
1/7/2022Roderick de GreefCOOSell10,816$30.75$332,592.00View SEC Filing Icon  
1/5/2022Aby J. MathewEVPSell7,857$34.30$269,495.10View SEC Filing Icon  
12/29/2021Aby J. MathewEVPSell736$39.37$28,976.32View SEC Filing Icon  
12/29/2021Roderick de GreefCOOSell705$39.37$27,755.85View SEC Filing Icon  
12/29/2021Karen A. FosterInsiderSell625$39.37$24,606.25View SEC Filing Icon  
12/29/2021Michael RiceCEOSell928$39.37$36,535.36View SEC Filing Icon  
12/29/2021Todd BerardCMOSell517$39.37$20,354.29View SEC Filing Icon  
12/15/2021Michael RiceCEOSell16,666$32.80$546,644.80View SEC Filing Icon  
12/13/2021Michael RiceCEOSell16,666$33.82$563,644.12View SEC Filing Icon  
12/9/2021Michael RiceCEOSell11,464$35.15$402,959.60View SEC Filing Icon  
12/8/2021Aby J. MathewEVPSell8,853$36.49$323,045.97View SEC Filing Icon  
12/7/2021Michael RiceCEOSell11,461$36.52$418,555.72View SEC Filing Icon  
12/6/2021Aby J. MathewEVPSell10,000$34.39$343,900.00View SEC Filing Icon  
11/30/2021Karen A. FosterInsiderSell315$37.59$11,840.85View SEC Filing Icon  
11/22/2021Karen A. FosterInsiderSell16,332$46.19$754,375.08View SEC Filing Icon  
11/18/2021Roderick de GreefCOOSell7,000$50.75$355,250.00View SEC Filing Icon  
11/17/2021Aby J. MathewEVPSell10,000$51.07$510,700.00View SEC Filing Icon  
11/16/2021Roderick de GreefCOOSell7,000$51.39$359,730.00View SEC Filing Icon  
11/15/2021Aby J. MathewEVPSell10,000$48.11$481,100.00View SEC Filing Icon  
11/15/2021Todd BerardCMOSell6,160$47.96$295,433.60View SEC Filing Icon  
11/9/2021Marcus SchulzCROSell1,750$53.00$92,750.00View SEC Filing Icon  
11/4/2021Michael RiceCEOSell11,461$56.81$651,099.41View SEC Filing Icon  
11/2/2021Michael RiceCEOSell11,461$54.72$627,145.92View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for BioLife Solutions (NASDAQ:BLFS)

93.24% of BioLife Solutions stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at BLFS by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

BioLife Solutions Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/29/2024Harbor Capital Advisors Inc.52,449$1.31M0.1%+31.0%0.114%Search for SEC Filing on Google Icon
10/29/2024Farther Finance Advisors LLC1,930$48K0.0%-65.7%0.004%Search for SEC Filing on Google Icon
10/28/2024Stephens Inc. AR36,841$0.92M0.0%-34.0%0.080%Search for SEC Filing on Google Icon
10/28/2024Stephens Investment Management Group LLC425,095$10.64M0.1%-1.4%0.923%Search for SEC Filing on Google Icon
10/25/2024New York State Teachers Retirement System62,376$1.56M0.0%-3.9%0.135%Search for SEC Filing on Google Icon
10/24/2024State of Alaska Department of Revenue20,553$0.51M0.0%-3.7%0.045%Search for SEC Filing on Google Icon
10/23/2024Louisiana State Employees Retirement System17,400$0.44M0.0%-4.9%0.038%Search for SEC Filing on Google Icon
10/19/2024Allspring Global Investments Holdings LLC111,114$2.78M0.0%-17.1%0.241%Search for SEC Filing on Google Icon
10/18/2024Raymond James & Associates139,997$3.51M0.0%+4.3%0.304%Search for SEC Filing on Google Icon
10/10/2024Kings Path Partners LLC33,915$0.85M0.4%-12.2%0.074%Search for SEC Filing on Google Icon
10/7/2024GAMMA Investing LLC3,295$83K0.0%+29.4%0.007%Search for SEC Filing on Google Icon
10/5/2024Bard Financial Services Inc.153,475$3.84M0.8%-19.4%0.333%Search for SEC Filing on Google Icon
10/3/2024SG Americas Securities LLC16,988$0.43M0.0%N/A0.037%Search for SEC Filing on Google Icon
8/15/2024Meros Investment Management LP399,803$8.57M4.1%+1.7%0.868%Search for SEC Filing on Google Icon
8/15/2024The Manufacturers Life Insurance Company13,825$0.30M0.0%+5.8%0.030%Search for SEC Filing on Google Icon
8/15/2024Millennium Management LLC1,009,197$21.63M0.0%-47.2%2.191%Search for SEC Filing on Google Icon
8/14/2024Squarepoint Ops LLC48,596$1.04M0.0%N/A0.105%Search for SEC Filing on Google Icon
8/14/2024Fred Alger Management LLC1,579,138$33.84M0.2%+6.0%3.428%Search for SEC Filing on Google Icon
8/14/2024Marshall Wace LLP10,695$0.23M0.0%N/A0.023%Search for SEC Filing on Google Icon
8/14/2024Public Sector Pension Investment Board79,987$1.71M0.0%+11.0%0.174%Search for SEC Filing on Google Icon
8/13/2024Thrivent Financial for Lutherans30,188$0.65M0.0%-2.2%0.066%Search for SEC Filing on Google Icon
8/13/2024Sei Investments Co.120,418$2.58M0.0%+100.1%0.261%Search for SEC Filing on Google Icon
8/13/2024Canada Pension Plan Investment Board5,700$0.12M0.0%N/A0.012%Search for SEC Filing on Google Icon
8/10/2024Mutual of America Capital Management LLC400,916$8.59M0.1%N/A0.870%Search for SEC Filing on Google Icon
8/9/2024Renaissance Technologies LLC28,700$0.62M0.0%N/A0.062%Search for SEC Filing on Google Icon
8/9/2024Dimensional Fund Advisors LP794,971$17.03M0.0%+9.1%1.726%Search for SEC Filing on Google Icon
8/8/2024Envestnet Asset Management Inc.127,215$2.73M0.0%+261.5%0.276%Search for SEC Filing on Google Icon
8/8/2024Oppenheimer Asset Management Inc.33,296$0.71M0.0%+84.5%0.072%Search for SEC Filing on Google Icon
8/8/2024William Blair Investment Management LLC1,571,570$33.68M0.1%-9.0%3.411%Search for SEC Filing on Google Icon
8/7/2024Texas Permanent School Fund Corp33,859$0.73M0.0%+8.7%0.073%Search for SEC Filing on Google Icon
8/6/2024Isthmus Partners LLC165,247$35K0.0%+34.4%0.359%Search for SEC Filing on Google Icon
8/6/2024Los Angeles Capital Management LLC20,053$0.43M0.0%N/A0.044%Search for SEC Filing on Google Icon
8/5/2024Arizona State Retirement System10,145$0.22M0.0%N/A0.022%Search for SEC Filing on Google Icon
8/5/2024Victory Capital Management Inc.84,785$1.82M0.0%-11.6%0.184%Search for SEC Filing on Google Icon
8/1/2024Rhumbline Advisers87,473$1.88M0.0%+4.7%0.190%Search for SEC Filing on Google Icon
8/1/2024Lisanti Capital Growth LLC74,877$1.61M0.4%N/A0.163%Search for SEC Filing on Google Icon
7/30/2024Kings Path Partners LLC38,626$0.83M0.4%N/A0.084%Search for SEC Filing on Google Icon
7/29/2024Peregrine Capital Management LLC297,456$6.37M0.2%+1.3%0.646%Search for SEC Filing on Google Icon
7/29/2024Principal Financial Group Inc.182,135$3.90M0.0%-4.8%0.395%Search for SEC Filing on Google Icon
7/26/2024Legato Capital Management LLC10,877$0.23M0.0%N/A0.024%Search for SEC Filing on Google Icon
7/26/2024Allspring Global Investments Holdings LLC134,077$2.87M0.0%+2.2%0.291%Search for SEC Filing on Google Icon
7/26/2024Bank of New York Mellon Corp275,570$5.91M0.0%+3.1%0.598%Search for SEC Filing on Google Icon
7/25/2024Calamos Advisors LLC57,250$1.23M0.0%N/A0.124%Search for SEC Filing on Google Icon
7/24/2024Penbrook Management LLC39,015$0.84M0.5%-3.1%0.085%Search for SEC Filing on Google Icon
7/24/2024Louisiana State Employees Retirement System18,300$0.39M0.0%+4.0%0.040%Search for SEC Filing on Google Icon
7/23/20241620 Investment Advisors Inc.1,620$35K0.0%N/A0.004%Search for SEC Filing on Google Icon
7/19/2024Raymond James & Associates134,194$2.88M0.0%N/A0.291%Search for SEC Filing on Google Icon
7/16/2024Sequoia Financial Advisors LLC21,730$0.47M0.0%N/A0.047%Search for SEC Filing on Google Icon
7/9/2024Harbor Capital Advisors Inc.40,028$0.86M0.1%+311.5%0.087%Search for SEC Filing on Google Icon
7/9/2024Bard Financial Services Inc.190,300$4.08M0.4%+42.4%0.413%Search for SEC Filing on Google Icon
5/16/2024California State Teachers Retirement System35,969$0.67M0.0%-2.0%0.078%Search for SEC Filing on Google Icon
5/15/2024Price T Rowe Associates Inc. MD15,129$0.28M0.0%+10.0%0.033%Search for SEC Filing on Google Icon
5/14/2024CANADA LIFE ASSURANCE Co33,158$0.61M0.0%+11.7%0.073%Search for SEC Filing on Google Icon
5/14/2024Gagnon Securities LLC593,392$11.01M2.6%-5.4%1.310%Search for SEC Filing on Google Icon
5/13/2024Roubaix Capital LLC123,199$2.29M1.4%-56.1%0.272%Search for SEC Filing on Google Icon
5/10/2024Vanguard Group Inc.2,868,335$53.21M0.0%+11.5%6.332%Search for SEC Filing on Google Icon
5/10/2024Perkins Capital Management Inc.13,500$0.25M0.2%-56.5%0.030%Search for SEC Filing on Google Icon
5/9/2024State Board of Administration of Florida Retirement System12,342$0.23M0.0%N/A0.027%Search for SEC Filing on Google Icon
5/8/2024William Blair Investment Management LLC1,726,712$32.03M0.1%+0.8%3.812%Search for SEC Filing on Google Icon
5/8/2024Isthmus Partners LLC122,982$2.28M0.3%+59.5%0.271%Search for SEC Filing on Google Icon
5/8/2024Russell Investments Group Ltd.194,126$3.60M0.0%+6.1%0.429%Search for SEC Filing on Google Icon
5/7/2024Sei Investments Co.60,191$1.12M0.0%+1.4%0.133%Search for SEC Filing on Google Icon
5/7/2024Swiss National Bank71,100$1.32M0.0%+3.6%0.157%Search for SEC Filing on Google Icon
5/7/2024Oppenheimer Asset Management Inc.18,044$0.34M0.0%N/A0.040%Search for SEC Filing on Google Icon
5/6/2024Texas Permanent School Fund Corp31,145$0.58M0.0%+4.7%0.069%Search for SEC Filing on Google Icon
5/4/2024Geneva Capital Management LLC880,215$16.33M0.3%+0.7%1.943%Search for SEC Filing on Google Icon
5/1/2024BNP Paribas Financial Markets53,515$0.99M0.0%+249.5%0.118%Search for SEC Filing on Google Icon
5/1/2024Mirae Asset Global Investments Co. Ltd.14,458$0.30M0.0%-7.5%0.032%Search for SEC Filing on Google Icon
4/29/2024Principal Financial Group Inc.191,231$3.55M0.0%+2.1%0.422%Search for SEC Filing on Google Icon
4/29/2024Zweig DiMenna Associates LLC60,944$1.13M0.1%-63.0%0.135%Search for SEC Filing on Google Icon
4/26/2024Conestoga Capital Advisors LLC65,477$1.22M0.0%+1.0%0.145%Search for SEC Filing on Google Icon
4/26/2024Yousif Capital Management LLC16,093$0.30M0.0%-7.6%0.036%Search for SEC Filing on Google Icon
4/26/2024Mesirow Financial Investment Management Inc.20,563$0.38M0.0%-23.0%0.045%Search for SEC Filing on Google Icon
4/25/2024New York State Teachers Retirement System66,576$1.24M0.0%-0.9%0.147%Search for SEC Filing on Google Icon
4/19/2024Mesirow Financial Investment Management Inc.20,563$0.38M1.9%-23.0%0.045%Search for SEC Filing on Google Icon
4/18/2024Penbrook Management LLC40,250$0.75M0.5%-1.7%0.089%Search for SEC Filing on Google Icon
4/18/2024Allspring Global Investments Holdings LLC131,203$2.43M0.0%+161,879.0%0.290%Search for SEC Filing on Google Icon
4/16/2024Register Financial Advisors LLC5,200$96K0.0%N/A0.011%Search for SEC Filing on Google Icon
3/1/2024Goldman Sachs Group Inc.2,401,899$39.03M0.0%+1,038.9%5.455%Search for SEC Filing on Google Icon
2/15/2024Palisade Capital Management LP1,213,334$19.72M0.5%-11.0%2.756%Search for SEC Filing on Google Icon
2/15/2024Granahan Investment Management LLC1,292,675$21.01M0.7%+22.8%2.936%Search for SEC Filing on Google Icon
2/14/2024RMB Capital Management LLC398,771$6.48M0.2%-0.2%0.906%Search for SEC Filing on Google Icon
2/14/2024Ranger Investment Management L.P.363,574$5.91M0.4%+6.7%0.826%Search for SEC Filing on Google Icon
2/13/2024Stephens Inc. AR83,928$1.36M0.0%-31.4%0.191%Search for SEC Filing on Google Icon
2/13/2024CIBC Private Wealth Group LLC60,818$0.99M0.0%-25.2%0.138%Search for SEC Filing on Google Icon
2/12/2024Isthmus Partners LLC77,082$1.25M0.2%+13.3%0.175%Search for SEC Filing on Google Icon
2/12/2024Millrace Asset Group Inc.105,643$1.72M1.7%+116.0%0.240%Search for SEC Filing on Google Icon
2/8/2024Roubaix Capital LLC280,337$4.56M3.2%+90.8%0.637%Search for SEC Filing on Google Icon
2/7/2024Principal Financial Group Inc.187,306$3.04M0.0%-1.7%0.425%Search for SEC Filing on Google Icon
2/7/2024Geneva Capital Management LLC874,485$14.21M0.3%-42.7%1.986%Search for SEC Filing on Google Icon
2/6/2024Amalgamated Bank14,723$0.24M0.0%-6.0%0.033%Search for SEC Filing on Google Icon
2/6/2024Swiss National Bank68,600$1.12M0.0%-10.3%0.156%Search for SEC Filing on Google Icon
2/5/2024Victory Capital Management Inc.95,863$1.56M0.0%-18.4%0.218%Search for SEC Filing on Google Icon
2/5/2024Russell Investments Group Ltd.183,050$2.98M0.0%-1.1%0.416%Search for SEC Filing on Google Icon
2/1/2024GAMMA Investing LLC2,394$41K0.0%N/A0.005%Search for SEC Filing on Google Icon
2/1/2024New York State Common Retirement Fund420,436$6.83M0.0%+0.2%0.955%Search for SEC Filing on Google Icon
2/1/2024Jennison Associates LLC39,978$0.65M0.0%-90.1%0.091%Search for SEC Filing on Google Icon
1/31/2024Kornitzer Capital Management Inc. KS71,800$1.17M0.0%-19.1%0.163%Search for SEC Filing on Google Icon
1/29/2024Louisiana State Employees Retirement System17,400$0.28M0.0%N/A0.040%Search for SEC Filing on Google Icon
1/26/2024Cerity Partners LLC26,941$0.44M0.0%N/A0.061%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
BioLife Solutions logo
BioLife Solutions, Inc. develops, manufactures, and markets bioproduction tools and services for the cell and gene therapy (CGT) industry in the United States, Europe, the Middle East, Africa, and internationally. The company's products are used in the basic and applied research, and commercial manufacturing of biologic-based therapies. It offers proprietary biopreservation media products, including HypoThermosol FRS and CryoStor Freeze Media that are formulated to mitigate preservation-induced, delayed-onset cell damage and death; bioproduction tools, such as human platelet lysates for cell expansion and CellSeal closed system vials that are used in CGT; and the ThawSTAR line that comprises of a family of automated thawing devices for frozen cell and gene therapies packaged in cryovials and cryobags. The company also provides cryogenic freezer technology for controlled rate freezing and cryogenic storage of biologic materials; ultra-low temperature mechanical freezers; evo shipping containers that are cloud-connected passive storage and transport containers for temperature-sensitive biologics and pharmaceuticals; liquid nitrogen laboratory freezers, cryogenic equipment, and accessories; and biological and pharmaceutical storage and transport services. It markets and sells its products directly, as well as through third party distributors. The company was incorporated in 1987 and is headquartered in Bothell, Washington.
Read More on BioLife Solutions

Today's Range

Now: $23.33
Low: $23.12
High: $23.88

50 Day Range

MA: $24.09
Low: $21.61
High: $25.98

52 Week Range

Now: $23.33
Low: $8.98
High: $26.73

Volume

130,155 shs

Average Volume

367,252 shs

Market Capitalization

$1.07 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.88

Who are the company insiders with the largest holdings of BioLife Solutions?

BioLife Solutions' top insider investors include:
  1. Casdin Partners Master Fund, L (Major Shareholder)
  2. Greef Roderick De (CEO)
  3. Michael Rice (CEO)
  4. Aby J Mathew (EVP)
  5. Karen A Foster (Insider)
  6. Todd Berard (CMO)
  7. Troy Wichterman (CFO)
  8. Garrie Richardson (CRO)
  9. Greef Roderick De (COO)
  10. Geraint Phillips (SVP)
  11. Sarah Aebersold (Insider)
  12. Marcus Schulz (CRO)
  13. Amy Duross (Director)
  14. Sarah Aebersold (VP)
Learn More about top insider investors at BioLife Solutions.

Who are the major institutional investors of BioLife Solutions?

BioLife Solutions' top institutional investors include:
  1. Stephens Investment Management Group LLC — 0.92%
  2. Bard Financial Services Inc. — 0.33%
  3. Raymond James & Associates — 0.30%
  4. Allspring Global Investments Holdings LLC — 0.24%
  5. New York State Teachers Retirement System — 0.14%
  6. Harbor Capital Advisors Inc. — 0.11%
Learn More about top institutional investors of BioLife Solutions stock.

Which institutional investors are selling BioLife Solutions stock?

During the last quarter, BLFS stock was sold by these institutional investors:
  1. Bard Financial Services Inc.
  2. Allspring Global Investments Holdings LLC
  3. Stephens Inc. AR
  4. Stephens Investment Management Group LLC
  5. Kings Path Partners LLC
  6. Farther Finance Advisors LLC
  7. New York State Teachers Retirement System
  8. Louisiana State Employees Retirement System
Within the last year, company insiders that have sold BioLife Solutions company stock include:
  1. Casdin Partners Master Fund, L (Major Shareholder)
  2. Greef Roderick De (CEO)
  3. Michael Rice (CEO)
  4. Aby J Mathew (EVP)
  5. Karen A Foster (Insider)
  6. Todd Berard (CMO)
  7. Troy Wichterman (CFO)
  8. Garrie Richardson (CRO)
  9. Greef Roderick De (COO)
Learn More investors selling BioLife Solutions stock.

Which institutional investors are buying BioLife Solutions stock?

Within the last quarter, BLFS stock was bought by institutional investors including:
  1. SG Americas Securities LLC
  2. Harbor Capital Advisors Inc.
  3. Raymond James & Associates
  4. GAMMA Investing LLC