VSTM

Verastem, Inc.

Company with tickers: VSTM

CIK

1526119

CUSIP

92337C203

Shares Outstanding

87,873,639

13F Activity (30d)

118 filings 116 filers

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-21	BAILEY MICHAEL P	Director	Award	108,000	—	—	108,000
2026-05-21	BAILEY MICHAEL P	Director	Other	0	—	—	0
2026-05-21	Stuglik Brian M	Director	Award	36,000	—	—	137,147
2026-05-21	Tollefson Karin Anna	Director	Award	36,000	—	—	52,666
2026-05-21	JOHNSON JOHN	Director	Award	36,000	—	—	52,666
2026-05-21	Rowinsky Eric K	Director	Award	36,000	—	—	52,666
2026-05-21	Kapur Anil	Director	Award	36,000	—	—	52,666
2026-05-21	ROBERTSON MICHELLE	Director	Award	36,000	—	—	52,666
2026-05-21	Bunn Paul A.	Director	Award	36,000	—	—	44,333
2026-05-04	Paterson Dan	Director, President and CEO	Sell	806	$5.82	$4,691	612,113
2026-03-20	Calkins Daniel	Chief Financial Officer	Award	57	$5.74	$327	121,327
2026-02-04	Paterson Dan	Director, President and CEO	Sell	970	$6.69	$6,489	612,919
2026-01-21	Paterson Dan	Director, President and CEO	Award	213,785	—	—	613,889
2026-01-21	Calkins Daniel	Chief Financial Officer	Award	16,665	—	—	121,384
2026-01-12	Paterson Dan	Director, President and CEO	Sell	10,321	$7.16	$73,898	400,104
2026-01-12	Calkins Daniel	Chief Financial Officer	Sell	5,039	$7.16	$36,079	104,719
2026-01-06	Kauffman Michael	Director, President of Development	Award	200,000	—	—	200,000
2025-12-24	Calkins Daniel	Chief Financial Officer	Sell	80	$7.86	$629	109,758
2025-12-16	Paterson Dan	Director, President and CEO	Sell	393	$9.14	$3,592	410,425
2025-12-16	Gagnon Robert E.	Director	Sell	283	$9.14	$2,587	41,678
2025-12-16	Stuglik Brian M	Director	Sell	592	$9.14	$5,411	101,147
2025-12-11	Paterson Dan	Director, President and CEO	Sell	2,000	$10.00	$20,000	410,818
2025-12-10	Paterson Dan	Director, President and CEO	Sell	2,000	$10.07	$20,140	412,818
2025-12-09	Paterson Dan	Director, President and CEO	Sell	2,000	$10.25	$20,500	414,818
2025-12-08	Paterson Dan	Director, President and CEO	Sell	2,000	$10.50	$21,000	416,818
2025-12-05	Paterson Dan	Director, President and CEO	Sell	2,000	$10.61	$21,220	418,818
2025-12-04	Paterson Dan	Director, President and CEO	Sell	2,000	$10.00	$20,000	420,818
2025-12-03	Paterson Dan	Director, President and CEO	Sell	2,000	$10.00	$20,000	422,818
2025-12-02	Paterson Dan	Director, President and CEO	Sell	2,000	$10.32	$20,640	424,818
2025-12-01	Paterson Dan	Director, President and CEO	Sell	2,000	$10.39	$20,780	426,818
2025-11-28	Paterson Dan	Director, President and CEO	Sell	2,000	$10.79	$21,580	428,818
2025-11-26	Paterson Dan	Director, President and CEO	Sell	2,000	$10.32	$20,640	430,818
2025-11-25	Paterson Dan	Director, President and CEO	Sell	2,000	$10.00	$20,000	432,818
2025-11-24	Paterson Dan	Director, President and CEO	Sell	2,000	$10.00	$20,000	434,818
2025-11-21	Paterson Dan	Director, President and CEO	Sell	2,000	$10.00	$20,000	436,818
2025-11-21	Bunn Paul A.	Director	Convert	6,250	—	—	6,250
2025-11-21	Kauffman Michael	Director, President of Development	Sell	8,550	$10.00	$85,500	8,666
2025-11-21	Bunn Paul A.	Director	Convert	6,250	$3.27	$20,438	8,333
2025-11-21	Bunn Paul A.	Director	Sell	6,250	$10.00	$62,500	2,083
2025-11-03	Paterson Dan	Director, President and CEO	Sell	2,000	$10.00	$20,000	438,818
2025-11-03	Paterson Dan	Director, President and CEO	Sell	1,299	$9.35	$12,146	440,818
2025-10-09	Bunn Paul A.	Director	Sell	8,333	$9.06	$75,497	8,333
2025-09-24	Calkins Daniel	Chief Financial Officer	Sell	25	$9.23	$231	109,838
2025-09-22	Calkins Daniel	Chief Financial Officer	Sell	57	$9.08	$518	109,863
2025-09-16	Paterson Dan	Director, President and CEO	Sell	390	$9.99	$3,896	442,117
2025-09-16	Stuglik Brian M	Director	Sell	587	$9.99	$5,864	101,739
2025-09-16	Gagnon Robert E.	Director	Sell	281	$9.99	$2,807	41,961
2025-08-06	Paterson Dan	Director, President and CEO	Sell	1,332	$5.81	$7,739	442,507
2025-06-23	Calkins Daniel	Chief Financial Officer	Sell	25	$4.71	$118	109,920
2025-06-20	Calkins Daniel	Chief Financial Officer	Sell	4,110	$5.13	$21,084	109,945

Showing 1–50 of 363 transactions