GOSS Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 5.00%

Insider Buying (Last 12 Months): $249,240.00

Insider Selling (Last 12 Months): $1,259.28

Gossamer Bio Insider Trading History Chart

Gossamer Bio Share Price & Price History

^$1.00

▼ -0.1 (-9.09%)

As of 04/1/2025 04:03 PM ET

Days: 30 | 90 | 365

Gossamer Bio Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
6/24/2024	Richard Aranda	Insider	Sell	1,908	$0.66	$1,259.28	196,891
6/21/2024	Faheem Hasnain	CEO	Buy	372,000	$0.67	$249,240.00	5,408,073
3/27/2024	Bryan Giraudo	CFO	Sell	6,430	$1.16	$7,458.80	92,737
3/27/2024	Faheem Hasnain	CEO	Sell	23,172	$1.16	$26,879.52	120,293
3/18/2024	Richard Aranda	Insider	Sell	4,018	$1.33	$5,343.94	198,799
11/13/2023	Bryan Giraudo	CFO	Buy	200,000	$0.56	$112,000.00	380,010
6/22/2023	Richard Aranda	Insider	Sell	1,814	$1.29	$2,340.06	197,574
4/4/2023	Bryan Giraudo	CFO	Buy	55,000	$1.02	$56,100.00	125,990
3/22/2023	Faheem Hasnain	CEO	Buy	440,500	$1.14	$502,170.00	4,495,897
3/20/2023	Bryan Giraudo	CFO	Buy	50,000	$0.97	$48,500.00	70,990
3/20/2023	Faheem Hasnain	CEO	Buy	168,683	$1.03	$173,743.49	3,786,008
3/20/2023	Waage Christian	EVP	Buy	18,500	$1.20	$22,200.00	32,388
3/16/2023	Caryn Peterson	EVP	Sell	7,564	$1.10	$8,320.40	53,851
3/16/2023	Laura Carter	Insider	Sell	6,029	$1.10	$6,631.90	76,263
10/24/2022	Caryn Peterson	EVP	Sell	4,757	$12.07	$57,416.99	61,415
10/24/2022	Laura Carter	Insider	Sell	4,876	$12.07	$58,853.32	82,292
7/15/2022	Bryan Giraudo	CFO	Buy	13,869	$7.21	$99,995.49	20,990
7/15/2022	Faheem Hasnain	CEO	Buy	138,696	$7.21	$999,998.16	3,617,325
7/15/2022	Laura Carter	Insider	Buy	6,934	$7.21	$49,994.14	87,168
7/1/2022	Laura Carter	Insider	Sell	8,808	$8.25	$72,666.00	80,234
6/22/2022	Richard Aranda	Insider	Sell	1,778	$6.88	$12,232.64	209,897
5/4/2022	Laura Carter	Insider	Sell	1,262	$7.20	$9,086.40	89,042

See Full Table

SEC Filings (Institutional Ownership Changes) for Gossamer Bio (NASDAQ:GOSS)

81.23% of Gossamer Bio 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

Gossamer Bio Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
2/27/2025	Jefferies Financial Group Inc.	100,000	$90K	0.0%	N/A	0.044%
2/20/2025	Mackenzie Financial Corp	299,815	$0.27M	0.0%	+499.0%	0.132%
2/17/2025	Woodline Partners LP	728,459	$0.66M	0.0%	-7.5%	0.321%
2/17/2025	Velan Capital Investment Management LP	75,000	$68K	0.1%	N/A	0.033%
2/17/2025	Squarepoint Ops LLC	71,944	$65K	0.0%	-51.0%	0.032%
2/17/2025	Two Sigma Investments LP	891,279	$0.81M	0.0%	+41.3%	0.393%
2/17/2025	Two Sigma Advisers LP	1,157,500	$1.05M	0.0%	+44.7%	0.511%
2/17/2025	Octagon Capital Advisors LP	18,350,000	$16.60M	2.7%	+99.7%	8.098%
2/17/2025	Millennium Management LLC	3,586,067	$3.24M	0.0%	+14.6%	1.583%
2/17/2025	Lazard Asset Management LLC	107,470	$97K	0.0%	+7,992.6%	0.047%
2/17/2025	Jacobs Levy Equity Management Inc.	1,534,668	$1.39M	0.0%	-18.7%	0.677%
2/17/2025	Jefferies Financial Group Inc.	100,000	$90K	0.0%	N/A	0.044%
2/17/2025	Graham Capital Management L.P.	34,947	$32K	0.0%	N/A	0.015%
2/17/2025	Fullcircle Wealth LLC	47,954	$43K	0.0%	N/A	0.021%
2/17/2025	DAFNA Capital Management LLC	1,409,262	$1.28M	0.3%	-0.7%	0.622%
2/17/2025	Bridgeway Capital Management LLC	541,000	$0.49M	0.0%	-2.0%	0.239%
2/17/2025	Bank of America Corp DE	84,788	$77K	0.0%	+107.2%	0.037%
2/17/2025	Alyeska Investment Group L.P.	8,808,514	$7.97M	0.0%	+52.7%	3.887%
2/17/2025	Allostery Investments LP	613,028	$0.56M	0.6%	N/A	0.271%
2/14/2025	Schonfeld Strategic Advisors LLC	154,700	$0.14M	0.0%	-34.6%	0.068%
2/14/2025	Opti Capital Management LP	182,319	$0.17M	0.0%	N/A	0.080%
2/14/2025	Price T Rowe Associates Inc. MD	64,777	$59K	0.0%	-99.0%	0.029%
2/14/2025	Silverarc Capital Management LLC	6,171,847	$5.58M	1.2%	+9.3%	2.724%
2/13/2025	Marshall Wace LLP	2,534,378	$2.28M	0.0%	-27.3%	1.118%
2/13/2025	Renaissance Technologies LLC	1,712,503	$1.55M	0.0%	-1.9%	0.756%
2/13/2025	Smith Moore & CO.	300,000	$0.27M	0.0%	+32.7%	0.132%
2/12/2025	Geode Capital Management LLC	2,250,461	$2.04M	0.0%	+1.7%	0.993%
2/12/2025	Diametric Capital LP	223,770	$0.20M	0.1%	-22.1%	0.099%
2/11/2025	Platinum Investment Management Ltd.	3,180,295	$2.88M	0.2%	-9.8%	1.403%
2/10/2025	Monaco Asset Management SAM	5,371,641	$4.86M	0.7%	+39.5%	2.371%
2/6/2025	Victory Capital Management Inc.	265,407	$0.24M	0.0%	-3.3%	0.117%
2/6/2025	Charles Schwab Investment Management Inc.	1,241,979	$1.12M	0.0%	+1.1%	0.548%
1/27/2025	Financial Advocates Investment Management	78,616	$71K	0.0%	-16.0%	0.035%
1/13/2025	Sivia Capital Partners LLC	28,018	$25K	0.0%	-28.2%	0.012%
12/13/2024	Exome Asset Management LLC	468,499	$0.46M	0.3%	-58.5%	0.207%
11/16/2024	Geode Capital Management LLC	2,212,377	$2.18M	0.0%	-3.1%	0.976%
11/15/2024	Jacobs Levy Equity Management Inc.	1,887,512	$1.86M	0.0%	+30.7%	0.833%
11/13/2024	The Manufacturers Life Insurance Company	385,133	$0.38M	0.0%	+24.2%	0.170%
11/12/2024	Charles Schwab Investment Management Inc.	1,228,077	$1.21M	0.0%	-2.7%	0.543%
11/5/2024	GSA Capital Partners LLP	67,546	$67K	0.0%	N/A	0.030%
10/28/2024	US Bancorp DE	39,655	$39K	0.0%	N/A	0.018%
10/25/2024	Financial Advocates Investment Management	93,550	$92K	0.0%	-12.4%	0.041%
10/22/2024	Sequoia Financial Advisors LLC	118,500	$0.12M	0.0%	+26.7%	0.052%
8/16/2024	Algert Global LLC	83,543	$75K	0.0%	N/A	0.037%
8/15/2024	The Manufacturers Life Insurance Company	310,213	$0.28M	0.0%	+67.4%	0.137%
8/15/2024	Millennium Management LLC	5,597,378	$5.04M	0.0%	-13.8%	2.474%
8/14/2024	NEA Management Company LLC	18,093,034	$16.30M	1.2%	+14.2%	7.998%
8/14/2024	Marshall Wace LLP	3,335,511	$3M	0.0%	+170.8%	1.474%
8/9/2024	Renaissance Technologies LLC	2,046,600	$1.84M	0.0%	+204.7%	0.905%
8/8/2024	Federated Hermes Inc.	3,065,136	$2.76M	0.0%	-2.2%	1.355%
8/7/2024	Monaco Asset Management SAM	2,726,104	$2.46M	0.4%	+390.3%	1.205%
8/7/2024	Choreo LLC	48,111	$46K	0.0%	N/A	0.021%
8/6/2024	Acadian Asset Management LLC	3,592,765	$3.24M	0.0%	+31.3%	1.588%
8/3/2024	TD Asset Management Inc	641,498	$0.58M	0.0%	+51.9%	0.284%
7/29/2024	Financial Advocates Investment Management	106,850	$96K	0.0%	+57.5%	0.047%
7/16/2024	Sequoia Financial Advisors LLC	93,500	$84K	0.0%	+27.2%	0.041%
5/16/2024	Jacobs Levy Equity Management Inc.	1,634,084	$1.93M	0.0%	-22.3%	0.722%
5/15/2024	Price T Rowe Associates Inc. MD	2,891,005	$3.41M	0.0%	-21.8%	1.278%
5/14/2024	Platinum Investment Management Ltd.	4,694,065	$5.54M	0.2%	-32.5%	2.075%
5/10/2024	Acadian Asset Management LLC	2,736,385	$3.23M	0.0%	+51.6%	1.210%
5/10/2024	Vanguard Group Inc.	11,763,784	$13.88M	0.0%	+1.1%	5.200%
5/9/2024	Monaco Asset Management SAM	556,000	$0.66M	0.2%	+98.6%	0.246%
5/7/2024	SG Americas Securities LLC	28,520	$34K	0.0%	N/A	0.013%
4/19/2024	Sivia Capital Partners LLC	24,568	$29K	0.0%	N/A	0.011%
2/16/2024	Madison Avenue Partners LP	5,054,472	$4.61M	0.7%	-17.5%	2.242%
2/15/2024	Octagon Capital Advisors LP	9,187,883	$8.38M	1.3%	+12.2%	4.076%
2/15/2024	Birchview Capital LP	138,176	$0.13M	0.1%	-33.9%	0.061%
2/14/2024	ADAR1 Capital Management LLC	713,028	$0.65M	0.2%	N/A	0.316%
2/14/2024	Platinum Investment Management Ltd.	6,954,110	$6.35M	0.3%	+29.8%	3.085%
2/13/2024	Armistice Capital LLC	4,156,000	$3.79M	0.1%	-16.1%	1.844%
2/12/2024	Monashee Investment Management LLC	3,459,854	$3.16M	0.6%	-34.8%	1.535%
2/9/2024	Corient Private Wealth LLC	2,937,931	$2.68M	0.0%	+48.9%	1.303%
2/8/2024	Financial Advocates Investment Management	98,350	$90K	0.0%	+35.0%	0.044%
2/7/2024	Monaco Asset Management SAM	280,000	$0.26M	0.1%	N/A	0.124%
2/5/2024	Victory Capital Management Inc.	312,357	$0.29M	0.0%	+1,402.4%	0.139%
1/31/2024	Federated Hermes Inc.	3,206,460	$2.93M	0.0%	-19.7%	1.423%
12/6/2023	Citigroup Inc.	196,732	$0.16M	0.0%	+9,916.9%	0.087%
11/15/2023	Kynam Capital Management LP	250,000	$0.21M	0.0%	N/A	0.111%
11/15/2023	Armistice Capital LLC	4,956,000	$4.13M	0.1%	N/A	2.199%
11/14/2023	Palo Alto Investors LP	6,530,288	$5.44M	0.5%	+88.5%	2.897%
11/14/2023	AWM Investment Company Inc.	613,028	$0.51M	0.1%	N/A	0.272%
11/14/2023	ARCH Venture Management LLC	8,055,916	$6.71M	4.4%	N/A	3.574%
11/14/2023	Stonepine Capital Management LLC	3,339,405	$2.78M	0.9%	N/A	1.481%
11/14/2023	Monashee Investment Management LLC	5,304,212	$4.42M	1.8%	N/A	2.353%
11/13/2023	Federated Hermes Inc.	3,994,723	$3.33M	0.0%	+326.2%	1.772%
11/13/2023	Acadian Asset Management LLC	1,534,662	$1.28M	0.0%	-50.0%	0.681%
11/13/2023	Silverarc Capital Management LLC	6,130,268	$5.11M	1.5%	N/A	2.720%
11/3/2023	Platinum Investment Management Ltd.	5,357,778	$4.46M	0.2%	+126.7%	2.378%
10/27/2023	Financial Advocates Investment Management	72,850	$61K	0.0%	N/A	0.032%
10/24/2023	Bank of New York Mellon Corp	91,246	$76K	0.0%	+178.0%	0.040%
8/9/2023	TD Asset Management Inc	95,100	$0.11M	0.0%	+270.5%	0.100%
8/7/2023	Principal Financial Group Inc.	33,504	$40K	0.0%	+58.4%	0.035%
8/7/2023	Acadian Asset Management LLC	3,066,716	$3.68M	0.0%	+38.6%	3.213%
7/28/2023	Vanguard Personalized Indexing Management LLC	44,356	$53K	0.0%	N/A	0.046%
5/15/2023	XTX Topco Ltd	433,193	$0.55M	0.1%	+62.2%	0.454%
5/12/2023	HRT Financial LP	1,548,153	$1.95M	0.0%	N/A	1.622%
5/12/2023	Platinum Investment Management Ltd.	2,363,170	$2.98M	0.1%	N/A	2.476%
5/11/2023	Acadian Asset Management LLC	2,213,387	$2.79M	0.0%	+52.3%	2.319%
5/10/2023	Connor Clark & Lunn Investment Management Ltd.	265,644	$0.34M	0.0%	N/A	0.278%
5/9/2023	Tower Research Capital LLC TRC	92,436	$0.12M	0.0%	+34.2%	0.097%

Data available starting January 2016

See Full Table

Gossamer Bio, Inc., a clinical-stage biopharmaceutical company, focuses on developing and commercializing seralutinib for the treatment of pulmonary arterial hypertension (PAH) in the United States. The company is developing GB002, an inhaled, small molecule, platelet-derived growth factor receptor, or PDGFR, colony-stimulatin factor 1 receptor and c-KIT inhibitor, which is in Phase 3 clinical trial for the treatment of PAH. It has license agreements with Pulmokine, Inc. to develop and commercialize GB002 and related backup compounds. The company was formerly known as FSG, Bio, Inc. and changed its name to Gossamer Bio, Inc. in 2017. Gossamer Bio, Inc. was incorporated in 2015 and is headquartered in San Diego, California.

Today's Range

Now: $1.00

$0.99

$1.15

50 Day Range

MA: $1.20

$0.89

$1.53

52 Week Range

Now: $1.00

$0.50

$1.55

Volume

1,560,963 shs

Average Volume

1,565,927 shs

Market Capitalization

$227.22 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.86

Who are the company insiders with the largest holdings of Gossamer Bio?: Gossamer Bio's top insider investors include:
Faheem Hasnain (CEO)
Bryan Giraudo (CFO)
Richard Aranda (Insider)
Learn More about top insider investors at Gossamer Bio.