MASS Insider Trading

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Insider Trading History
Frequently Asked Questions
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Insider Ownership Percentage: 27.70%

Insider Buying (Last 12 Months): $178,500.00

Insider Selling (Last 12 Months): $139,954.68

908 Devices Insider Trading History Chart

908 Devices Share Price & Price History

^$2.06

▲ +0.12 (6.19%)

As of 12/20/2024 06:16 PM ET

Days: 30 | 90 | 365

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908 Devices Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
5/13/2024	Kevin J. Knopp	CEO	Buy	10,000	$6.42	$64,200.00	508,981
5/9/2024	Kevin J. Knopp	CEO	Buy	10,000	$5.83	$58,300.00	488,981
5/7/2024	Kevin J. Knopp	CEO	Buy	10,000	$5.60	$56,000.00	468,981
2/1/2024	Joseph H. Griffith, IV	CFO	Sell	5,698	$7.00	$39,886.00	89,711
2/1/2024	Kevin J. Knopp	CEO	Sell	9,071	$7.00	$63,497.00	411,981
2/1/2024	Michael S Turner	Insider	Sell	5,232	$6.99	$36,571.68	9,105
12/21/2023	Christopher D Brown	Insider	Sell	7,370	$9.12	$67,214.40	877,905
12/19/2023	Christopher D Brown	Insider	Sell	7,395	$9.08	$67,146.60	890,510
12/19/2023	Joseph H. Griffith, IV	CFO	Sell	5,580	$9.08	$50,666.40	86,000
2/15/2023	Kevin J. Knopp	CEO	Sell	15,158	$10.29	$155,975.82	432,690
2/1/2023	Joseph H. Griffith, IV	CFO	Sell	1,836	$9.17	$16,836.12	94,846
2/1/2023	Kevin J. Knopp	CEO	Sell	4,049	$9.36	$37,898.64	487,848
2/1/2023	Michael S Turner	VP	Sell	1,579	$9.17	$14,479.43	2,848
11/22/2022	Mark Spoto	Director	Buy	2,585	$9.65	$24,945.25	40,423
10/17/2022	Kevin J. Knopp	CEO	Sell	11,200	$14.68	$164,416.00	519,442
9/15/2022	Kevin J. Knopp	CEO	Sell	30,000	$16.94	$508,200.00	530,642
9/12/2022	Christopher D Brown	CTO	Sell	20,000	$19.58	$391,600.00	908,912
8/17/2022	Michael S. Turner	VP	Sell	5,000	$18.15	$90,750.00
8/4/2022	Joseph H. Griffith, IV	CFO	Sell	12,733	$24.39	$310,557.87	91,580
8/2/2022	Michael S. Turner	VP	Sell	10,000	$23.96	$239,600.00	10,000
8/1/2022	Kevin J. Knopp	CEO	Sell	14,647	$22.46	$328,971.62	616,838
7/28/2022	Kevin J. Knopp	CEO	Sell	5,700	$22.01	$125,457.00	649,485
7/21/2022	Kevin J. Knopp	CEO	Sell	200	$22.04	$4,408.00	655,185
7/15/2022	Kevin J. Knopp	CEO	Sell	30,000	$17.37	$521,100.00	655,385
7/8/2022	Kevin J. Knopp	CEO	Sell	453	$22.06	$9,993.18	685,385
7/6/2022	Christopher D Brown	CTO	Sell	10,000	$21.28	$212,800.00	928,912
7/6/2022	Kevin J. Knopp	CEO	Sell	1,000	$22.07	$22,070.00	685,838
6/29/2022	Christopher D Brown	CTO	Sell	16,471	$20.22	$333,043.62	942,612
6/29/2022	Michael S. Turner	VP	Sell	5,000	$20.03	$100,150.00
6/27/2022	Joseph H. Griffith, IV	CFO	Sell	5,059	$19.08	$96,525.72	91,580
6/24/2022	Joseph H. Griffith, IV	CFO	Sell	13,129	$19.13	$251,157.77	91,580
6/23/2022	Michael S Turner	VP	Sell	10,000	$17.90	$179,000.00	5,000
6/21/2022	Joseph H. Griffith, IV	CFO	Sell	8,100	$15.06	$121,986.00	91,580
6/21/2022	Kevin J. Knopp	CEO	Sell	9,200	$15.07	$138,644.00	686,838
6/17/2022	Joseph H. Griffith, IV	CFO	Sell	900	$15.01	$13,509.00	91,580
6/13/2022	Joseph H. Griffith, IV	CFO	Sell	13,334	$13.54	$180,542.36	91,580
4/12/2022	Christopher D Brown	CTO	Sell	9,829	$20.06	$197,169.74	959,083
4/12/2022	Trent A. Basarsky	VP	Sell	15,000	$19.74	$296,100.00	75,000
3/18/2022	Christopher D Brown	CTO	Sell	19,900	$20.06	$399,194.00
3/18/2022	John Kenneweg	VP	Sell	19,881	$20.06	$398,812.86
3/14/2022	Trent A. Basarsky	VP	Sell	15,000	$17.66	$264,900.00
3/11/2022	Christopher D Brown	CTO	Sell	100	$20.00	$2,000.00
3/11/2022	John Kenneweg	VP	Sell	119	$20.00	$2,380.00
1/11/2022	John Kenneweg	VP	Sell	9,300	$20.15	$187,395.00

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SEC Filings (Institutional Ownership Changes) for 908 Devices (NASDAQ:MASS)

88.06% of 908 Devices 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

908 Devices Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
12/13/2024	B. Riley Wealth Advisors Inc.	13,000	$45K	0.0%	N/A	0.037%
11/19/2024	Barclays PLC	46,214	$0.16M	0.0%	+452.7%	0.133%
11/18/2024	Arete Wealth Advisors LLC	19,482	$68K	0.0%	-43.8%	0.056%
11/16/2024	Geode Capital Management LLC	567,788	$1.97M	0.0%	+1.2%	1.630%
11/15/2024	Barclays PLC	46,214	$0.16M	0.0%	+452.7%	0.133%
11/15/2024	Jane Street Group LLC	52,039	$0.18M	0.0%	-39.8%	0.149%
11/15/2024	State Street Corp	479,044	$1.66M	0.0%	+1.2%	1.376%
11/15/2024	Needham Investment Management LLC	100,000	$0.35M	0.0%	+100.0%	0.287%
11/14/2024	Fred Alger Management LLC	820,448	$2.85M	0.0%	-18.5%	2.367%
11/13/2024	Townsquare Capital LLC	14,350	$50K	0.0%	N/A	0.041%
11/12/2024	49 Wealth Management LLC	31,099	$0.11M	0.0%	+16.2%	0.090%
11/12/2024	Charles Schwab Investment Management Inc.	220,477	$0.77M	0.0%	+14.6%	0.636%
11/9/2024	Primecap Management Co. CA	20,000	$69K	0.0%	-19.5%	0.058%
11/8/2024	Connor Clark & Lunn Investment Management Ltd.	54,816	$0.19M	0.0%	N/A	0.158%
11/7/2024	Drive Wealth Management LLC	14,350	$50K	0.0%	N/A	0.041%
10/31/2024	ARK Investment Management LLC	3,219,549	$11.17M	0.1%	-18.2%	9.290%
10/3/2024	SG Americas Securities LLC	10,347	$36K	0.0%	N/A	0.030%
9/16/2024	Cubist Systematic Strategies LLC	60,429	$0.31M	0.0%	N/A	0.175%
8/15/2024	Millennium Management LLC	618,310	$3.18M	0.0%	+35.5%	1.793%
8/15/2024	AQR Capital Management LLC	113,594	$0.59M	0.0%	N/A	0.329%
8/14/2024	Squarepoint Ops LLC	48,554	$0.25M	0.0%	N/A	0.141%
8/14/2024	Fred Alger Management LLC	1,006,237	$5.18M	0.0%	-1.0%	2.918%
8/14/2024	Cubist Systematic Strategies LLC	60,429	$0.31M	0.0%	N/A	0.175%
8/14/2024	Marshall Wace LLP	44,396	$0.23M	0.0%	N/A	0.129%
8/9/2024	Renaissance Technologies LLC	195,500	$1.01M	0.0%	+79.4%	0.567%
8/9/2024	Dimensional Fund Advisors LP	245,176	$1.26M	0.0%	+88.3%	0.711%
8/8/2024	American Century Companies Inc.	33,718	$0.17M	0.0%	+18.6%	0.098%
8/7/2024	ClariVest Asset Management LLC	129,788	$0.67M	0.1%	N/A	0.376%
7/26/2024	ARK Investment Management LLC	3,937,631	$20.28M	0.2%	-2.7%	11.417%
7/26/2024	Bank of New York Mellon Corp	69,550	$0.36M	0.0%	+6.4%	0.202%
7/19/2024	Sumitomo Mitsui Trust Holdings Inc.	495,802	$2.55M	0.0%	-11.8%	1.438%
7/2/2024	GAMMA Investing LLC	9,254	$48K	0.0%	N/A	0.027%
5/16/2024	AWM Investment Company Inc.	668,526	$5.05M	0.7%	+2.3%	1.939%
5/16/2024	Iron Triangle Partners LP	1,040,768	$7.86M	0.8%	-19.0%	3.018%
5/14/2024	Platinum Investment Management Ltd.	372,300	$2.81M	0.1%	-52.4%	1.079%
5/10/2024	Vanguard Group Inc.	1,751,102	$13.22M	0.0%	+0.4%	5.310%
5/9/2024	State Board of Administration of Florida Retirement System	10,548	$80K	0.0%	N/A	0.032%
5/3/2024	Nikko Asset Management Americas Inc.	562,294	$4.23M	0.0%	-3.4%	1.705%
4/19/2024	Sumitomo Mitsui Trust Holdings Inc.	562,294	$4.25M	0.0%	-3.4%	1.709%
2/15/2024	Granahan Investment Management LLC	2,038,658	$22.87M	0.8%	+10.6%	6.296%
2/14/2024	Iron Triangle Partners LP	1,284,947	$14.42M	1.9%	+31.1%	3.968%
2/14/2024	Platinum Investment Management Ltd.	781,871	$8.77M	0.4%	-6.3%	2.415%
2/8/2024	Nikko Asset Management Americas Inc.	582,034	$6.54M	0.1%	-7.6%	1.798%
2/1/2024	New York State Common Retirement Fund	74,033	$0.83M	0.0%	+5.0%	0.229%
1/30/2024	Sumitomo Mitsui Trust Holdings Inc.	582,034	$6.53M	0.0%	-7.6%	1.798%
1/17/2024	ARK Investment Management LLC	4,346,579	$48.77M	0.3%	+8.3%	13.424%
1/12/2024	SG Americas Securities LLC	11,861	$0.13M	0.0%	N/A	0.037%
11/14/2023	AWM Investment Company Inc.	561,506	$3.74M	0.6%	N/A	1.734%
11/14/2023	Fred Alger Management LLC	1,331,540	$8.87M	0.1%	-25.5%	4.112%
11/8/2023	Values First Advisors Inc.	16,726	$0.11M	0.1%	+24.5%	0.052%
11/7/2023	New York State Common Retirement Fund	70,525	$0.47M	0.0%	+15.3%	0.218%
11/3/2023	Platinum Investment Management Ltd.	834,824	$5.56M	0.2%	-4.6%	2.582%
10/30/2023	Arete Wealth Advisors LLC	22,758	$0.15M	0.0%	+35.8%	0.070%
10/30/2023	Sumitomo Mitsui Trust Holdings Inc.	629,994	$4.20M	0.0%	+3.0%	1.949%
10/24/2023	Bank of New York Mellon Corp	93,775	$0.63M	0.0%	+11.1%	0.290%
10/18/2023	ARK Investment Management LLC	4,013,460	$26.73M	0.2%	+1.0%	12.414%
10/13/2023	Global Retirement Partners LLC	10,000	$62K	0.0%	N/A	0.031%
9/21/2023	Barclays PLC	4,512	$31K	0.0%	-59.6%	0.014%
8/15/2023	Iron Triangle Partners LP	900,000	$6.17M	0.8%	-14.3%	2.784%
8/14/2023	Granahan Investment Management LLC	1,785,753	$12.25M	0.4%	+1.5%	5.524%
7/31/2023	Daiwa Securities Group Inc.	4,419	$30K	0.0%	N/A	0.014%
7/31/2023	Sumitomo Mitsui Trust Holdings Inc.	611,502	$4.20M	0.0%	+7.1%	1.901%
7/27/2023	Virtu Financial LLC	12,819	$88K	0.0%	N/A	0.040%
7/10/2023	ARK Investment Management LLC	3,972,905	$27.25M	0.2%	-0.5%	12.353%
5/15/2023	Granahan Investment Management LLC	1,758,976	$15.13M	0.5%	+59.2%	5.489%
5/12/2023	Platinum Investment Management Ltd.	875,447	$7.53M	0.3%	+66.2%	2.732%
5/9/2023	Tower Research Capital LLC TRC	15,611	$0.13M	0.0%	+12,801.7%	0.049%
5/3/2023	Nikko Asset Management Americas Inc.	571,102	$4.28M	0.0%	+2.1%	1.782%
5/1/2023	Arete Wealth Advisors LLC	14,287	$122.87B	0.0%	N/A	0.045%
4/27/2023	Sumitomo Mitsui Trust Holdings Inc.	571,102	$4.91M	0.0%	+2.1%	1.782%
4/18/2023	Allworth Financial LP	5,269	$45K	0.0%	N/A	0.016%
4/17/2023	ARK Investment Management LLC	3,992,899	$34.34M	0.2%	+8.2%	12.458%
2/14/2023	Alpine Global Management LLC	11,899	$91K	0.0%	N/A	0.038%
2/14/2023	Granahan Investment Management LLC	1,104,904	$8.42M	0.3%	+14.2%	3.498%
2/13/2023	Platinum Investment Management Ltd.	526,817	$4.01M	0.2%	+5.8%	1.668%
2/13/2023	Nikko Asset Management Americas Inc.	559,120	$4.25M	0.1%	-6.2%	1.770%
2/9/2023	Landscape Capital Management L.L.C.	12,735	$97K	0.0%	N/A	0.040%
2/9/2023	Mirae Asset Global Investments Co. Ltd.	11,175	$85K	0.0%	N/A	0.035%
2/8/2023	Swiss National Bank	45,700	$0.35M	0.0%	+4.1%	0.145%
2/7/2023	State Board of Administration of Florida Retirement System	10,548	$80K	0.0%	-24.5%	0.033%
2/7/2023	Envestnet Asset Management Inc.	19,847	$0.15M	0.0%	-22.8%	0.063%
2/3/2023	Emerald Mutual Fund Advisers Trust	65,065	$0.50M	0.0%	N/A	0.206%
2/3/2023	Emerald Advisers LLC	89,267	$0.68M	0.0%	+875.4%	0.283%
1/30/2023	New York State Common Retirement Fund	57,552	$0.44M	0.0%	+2.8%	0.182%
1/30/2023	Sumitomo Mitsui Trust Holdings Inc.	559,120	$4.26M	0.0%	-6.2%	1.770%
1/24/2023	ARK Investment Management LLC	3,689,475	$28.11M	0.2%	-2.3%	11.679%
11/16/2022	Fred Alger Management LLC	3,459,103	$56.90M	0.3%	+223.2%	10.950%
11/15/2022	Platinum Investment Management Ltd.	498,041	$8.19M	0.3%	-12.6%	1.577%
11/15/2022	Primecap Management Co. CA	27,300	$0.45M	0.0%	-84.6%	0.086%
11/15/2022	Pura Vida Investments LLC	55,556	$0.91M	0.1%	-81.2%	0.176%
11/15/2022	Parian Global Management LP	10,000	$0.17M	0.5%	N/A	0.032%
11/15/2022	Lord Abbett & CO. LLC	246,855	$4.06M	0.0%	N/A	0.781%
11/15/2022	Eventide Asset Management LLC	1,715,801	$28.23M	0.6%	+14.5%	5.431%
11/14/2022	RTW Investments LP	312,000	$5.13M	0.1%	-39.2%	0.988%
11/14/2022	Cubist Systematic Strategies LLC	51,812	$0.85M	0.0%	N/A	0.164%
11/10/2022	Bank of Montreal Can	174,000	$3M	0.0%	N/A	0.551%
11/8/2022	New York State Common Retirement Fund	55,988	$0.92M	0.0%	-20.2%	0.177%
11/4/2022	First Republic Investment Management Inc.	18,464	$0.30M	0.0%	N/A	0.058%
10/31/2022	SG Americas Securities LLC	9,237	$0.15M	0.0%	N/A	0.029%
10/27/2022	US Bancorp DE	4,018	$66K	0.0%	N/A	0.013%

Data available starting January 2016

908 Devices Inc., a commercial-stage technology company, provides various purpose-built handheld and desktop mass spectrometry devices to interrogate unknown and invisible materials in life sciences research, bioprocessing, pharma/biopharma, forensics, and adjacent markets. The company's products include MX908, a handheld, battery-powered, and Mass Spec device that is designed for rapid analysis of solid, liquid, vapor, and aerosol materials of unknown identity; Rebel, a small desktop analyzer that provides real-time information on the extracellular environment in bioprocesses; and Maverick, an optical in-line analyzer that offers real-time monitoring and control of multiple bioprocess parameters, including glucose, lactate, and total biomass in mammalian cell cultures, as well as provides process fingerprint data to support large-scale efforts in predictive bioprocess modeling. Its products also comprise Maven and Trace C2, an online device for bioprocess monitoring and control; and ZipChip solution, a plug-and-play, high-resolution separation platform that optimizes Mass Spec sample analysis. The company operates in the United States, Europe, the Middle East, Africa, the Asia Pacific, and rest of the Americas. 908 Devices Inc. was incorporated in 2012 and is headquartered in Boston, Massachusetts.

Today's Range

Now: $2.06

$1.90

$2.07

50 Day Range

MA: $2.85

$1.88

$3.91

52 Week Range

Now: $2.06

$1.82

$12.51

Volume

620,209 shs

Average Volume

213,737 shs

Market Capitalization

$71.74 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.92

Who are the company insiders with the largest holdings of 908 Devices?: 908 Devices' top insider investors include:
Christopher D Brown (Insider)
Kevin J Knopp (CEO)
Joseph H Iv Griffith (CFO)
Michael S Turner (Insider)
Michael S Turner (VP)
Learn More about top insider investors at 908 Devices.
Who are the major institutional investors of 908 Devices?: 908 Devices' top institutional investors include:
ARK Investment Management LLC — 9.29%
Fred Alger Management LLC — 2.37%
Geode Capital Management LLC — 1.63%
State Street Corp — 1.38%
Charles Schwab Investment Management Inc. — 0.64%
Needham Investment Management LLC — 0.29%
Learn More about top institutional investors of 908 Devices stock.
Which institutional investors are selling 908 Devices stock?: During the previous quarter, MASS stock was sold by these institutional investors:
ARK Investment Management LLC
Fred Alger Management LLC
Jane Street Group LLC
Arete Wealth Advisors LLC
Primecap Management Co. CA
PEAK6 Investments LLC
In the last year, company insiders that have sold 908 Devices company stock include:
Christopher D Brown (Insider)
Kevin J Knopp (CEO)
Joseph H Iv Griffith (CFO)
Learn More investors selling 908 Devices stock.
Which institutional investors are buying 908 Devices stock?: During the last quarter, MASS stock was acquired by institutional investors including:
Connor Clark & Lunn Investment Management Ltd.
Needham Investment Management LLC
Barclays PLC
Barclays PLC
Charles Schwab Investment Management Inc.
Townsquare Capital LLC
Drive Wealth Management LLC
B. Riley Wealth Advisors Inc.