SEC Form 4 · Updated Daily

AGIO

— AGIOS PHARMACEUTICALS, INC. Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

Financials Ownership

Current Reporting Owners

Owner	Role	Shares Owned	As Of	Last Activity
CRANDELL KEITH	10%+ Owner	3,088,590	2015-02-19	J
BYBEE CLINTON	10%+ Owner	3,088,590	2015-02-19	J
Arch Venture Fund VII LP	10%+ Owner	3,088,590	2015-02-19	J
ARCH Venture Partners VII, L.P.	10%+ Owner	3,088,590	2015-02-19	J
ARCH Venture Partners VII, LLC	10%+ Owner	3,088,590	2015-02-19	J
AFEYAN NOUBAR	10%+ Owner	1,930,369	2014-06-23	J
KANIA EDWIN M JR	10%+ Owner	1,930,369	2014-06-23	J
Flagship Ventures 2007 General Partner LLC	10%+ Owner	1,930,369	2014-06-23	J
Flagship Ventures Fund 2007, L.P.	10%+ Owner	1,930,369	2014-06-23	J
Celgene Alpine Investment Co., LLC	10%+ Owner	1,777,824	2019-11-12	P
Celgene European Investment Co LLC	10%+ Owner	1,777,824	2019-11-12	P
Celgene Switzerland LLC	10%+ Owner	1,777,824	2019-11-12	P
CELGENE CORP /DE/	10%+ Owner	1,777,824	2019-11-12	P
TRV GP, LLC	10%+ Owner	760,195	2015-02-19	J
THIRD ROCK VENTURES LP	10%+ Owner	760,195	2015-02-19	J
Third Rock Ventures GP, L.P.	10%+ Owner	760,195	2015-02-19	J
STARR KEVIN P	10%+ Owner	760,195	2015-02-19	J
Mak Tak W.	10%+ Owner	545,454	2013-07-23	—
Goff Brian	Director	191,104	2026-04-02	M
FOUSE JACQUALYN A	Director	154,156	2026-06-18	M
Schenkein David P	Director	126,242	2024-06-13	M
Higgons John Duncan	Officer	120,834	2016-01-04	M
Tessier-Lavigne Marc	Director	101,009	2013-07-24	P
Cantley Lewis Clayton Jr.	Director	80,892	2017-12-06	S
Bowden Christopher	Officer	63,980	2021-06-18	M
Jones Cecilia	Officer	58,139	2026-04-02	M
Gheuens Sarah	Officer	56,134	2026-10-21	M
Burns James William	Officer	52,586	2026-04-02	M
Milanova Tsveta	Officer	50,091	2026-04-02	M
Biller Scott	Officer	33,729	2019-06-11	M
MARAGANORE JOHN	Director	30,028	2022-05-20	M
Hirsch Andrew	Director	26,199	2020-04-22	M
Biller Jonathan	Officer	25,641	2022-02-18	M
Scadden David	Director	20,419	2026-06-18	M
Ho Maykin	Director	19,848	2026-06-18	M
Car Bruce	Officer	18,793	2022-02-18	M
Hoerter Steven L.	Officer	15,941	2019-03-04	M
Ballal Rahul D.	Director	15,230	2026-06-18	M
Smith Cynthia	Director	15,230	2026-06-18	M
Viswanadhan Krishnan	Officer	13,241	2026-04-02	M
Owen Adams Catherine	Director	10,865	2026-06-18	M
CAPELLO JEFFREY D	Director	10,865	2026-06-18	M
Foster-Cheek Kaye I	Director	10,284	2026-06-18	M
Goddard Glenn	Officer	10,000	2015-09-24	M
Poddar Richa	Officer	9,993	2022-10-15	M
NELSEN ROBERT	10%+ Owner · Director	9,174	2017-03-03	S
Miles Darrin	Officer	7,209	2021-05-14	S
Clancy Paul J	Director	6,549	2022-05-20	M
CLARK IAN T	Director	6,549	2022-05-20	M
Cole Douglas G.	Director	2,778	2016-08-10	J
Alenson Carman	Officer	1,777	2021-06-21	M
Backstrom Jay T.	Director	1,447	2026-07-08	A
Washburn Theodore James Jr.	Officer	868	2026-03-03	S
KARSEN PERRY A	Director	0	2013-07-23	—

Recent Filings

Date	Owner	Activity	Shares	Price	Owned After
2026-10-22	Gheuens Sarah	Option exercise (derivative)	500	$0.00	24,141
2026-10-22	Gheuens Sarah	Open-market sale	500	$37.52	54,645
2026-10-22	Gheuens Sarah	Option exercise	500	$25.01	55,145
2026-10-21	Gheuens Sarah	Option exercise (derivative)	1,489	$0.00	24,641
2026-10-21	Gheuens Sarah	Open-market sale	1,489	$37.53	54,645
2026-10-21	Gheuens Sarah	Option exercise	1,489	$25.01	56,134
2026-08-04	Gheuens Sarah	Open-market sale	30,000	$30.48	54,645
2026-07-08	Backstrom Jay T.	Option exercise (derivative)	1,447	$0.00	2,894
2026-07-08	Backstrom Jay T.	Grant / award	1,447	$0.00	1,447
2026-07-01	Gheuens Sarah	Option exercise (derivative)	8,375	$0.00	0
2026-07-01	Gheuens Sarah	Open-market sale	4,007	$37.56	84,645
2026-07-01	Gheuens Sarah	Option exercise	8,375	$0.00	88,652
2026-06-18	Backstrom Jay T.	Grant / award (derivative)	14,950	$0.00	14,950
2026-06-18	Backstrom Jay T.	Grant / award (derivative)	2,927	$0.00	2,927
2026-06-18	Milanova Tsveta	Grant / award (derivative)	3,000	$0.00	3,000
2026-06-18	Milanova Tsveta	Option exercise (derivative)	3,000	$0.00	9,000
2026-06-18	Jones Cecilia	Grant / award (derivative)	3,000	$0.00	3,000
2026-06-18	Jones Cecilia	Option exercise (derivative)	3,000	$0.00	9,000
2026-06-18	Gheuens Sarah	Grant / award (derivative)	3,000	$0.00	3,000
2026-06-18	Gheuens Sarah	Option exercise (derivative)	3,000	$0.00	9,000
2026-06-18	Burns James William	Grant / award (derivative)	3,000	$0.00	3,000
2026-06-18	Burns James William	Option exercise (derivative)	3,000	$0.00	9,000
2026-06-18	Goff Brian	Grant / award (derivative)	39,000	$0.00	39,000
2026-06-18	Goff Brian	Option exercise (derivative)	39,000	$0.00	39,000
2026-06-18	Viswanadhan Krishnan	Grant / award (derivative)	3,000	$0.00	3,000
2026-06-18	Viswanadhan Krishnan	Option exercise (derivative)	3,000	$0.00	9,000
2026-06-18	Smith Cynthia	Grant / award (derivative)	14,950	$0.00	14,950
2026-06-18	Smith Cynthia	Grant / award (derivative)	2,927	$0.00	2,927
2026-06-18	Smith Cynthia	Option exercise (derivative)	2,816	$0.00	0
2026-06-18	Smith Cynthia	Option exercise	2,816	$0.00	15,230
2026-06-18	Scadden David	Grant / award (derivative)	14,950	$0.00	14,950
2026-06-18	Scadden David	Grant / award (derivative)	2,927	$0.00	2,927
2026-06-18	Scadden David	Option exercise (derivative)	2,816	$0.00	0
2026-06-18	Scadden David	Option exercise	2,816	$0.00	20,419
2026-06-18	Owen Adams Catherine	Grant / award (derivative)	14,950	$0.00	14,950
2026-06-18	Owen Adams Catherine	Grant / award (derivative)	2,927	$0.00	2,927
2026-06-18	Owen Adams Catherine	Option exercise (derivative)	2,816	$0.00	0
2026-06-18	Owen Adams Catherine	Option exercise	2,816	$0.00	10,865
2026-06-18	Ho Maykin	Grant / award (derivative)	14,950	$0.00	14,950
2026-06-18	Ho Maykin	Grant / award (derivative)	2,927	$0.00	2,927

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.