Stocks
VSTM Verastem, Inc.

VSTM

Verastem, Inc.

Company with tickers: VSTM

CIK

1526119

CUSIP

92337C203

Shares Outstanding

87,835,106

Price Holdings Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trading Congress Trades

Date	Insider	Role	Type	Shares	Price	Value	After
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	Calkins Daniel	Chief Financial Officer	Award	16,665	—	—	121,384
2026-01-21	Paterson Dan	Director, President and CEO	Award	213,785	—	—	613,889
2026-01-12	Calkins Daniel	Chief Financial Officer	Sell	5,039	$7.16	$36,079	104,719
2026-01-12	Paterson Dan	Director, President and CEO	Sell	10,321	$7.16	$73,898	400,104
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	Stuglik Brian M	Director	Sell	592	$9.14	$5,411	101,147
2025-12-16	Gagnon Robert E.	Director	Sell	283	$9.14	$2,587	41,678
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	Kauffman Michael	Director, President of Development	Sell	8,550	$10.00	$85,500	8,666
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	Sell	6,250	$10.00	$62,500	2,083
2025-11-21	Bunn Paul A.	Director	Convert	6,250	—	—	6,250
2025-11-21	Bunn Paul A.	Director	Convert	6,250	$3.27	$20,438	8,333
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	Gagnon Robert E.	Director	Sell	281	$9.99	$2,807	41,961
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
2025-08-06	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
2025-06-20	Paterson Dan	Director, President and CEO	Sell	17,808	$5.13	$91,355	443,839
2025-06-16	Gagnon Robert E.	Director	Sell	284	$5.65	$1,605	42,242
2025-06-16	Stuglik Brian M	Director	Sell	594	$5.65	$3,356	102,326
2025-06-16	Paterson Dan	Director, President and CEO	Sell	335	$5.65	$1,893	461,647
2025-05-22	Rowinsky Eric K	Director	Award	12,500	—	—	12,500
2025-05-22	Rowinsky Eric K	Director	Award	8,333	—	—	16,666
2025-05-22	ROBERTSON MICHELLE	Director	Award	12,500	—	—	12,500
2025-05-22	ROBERTSON MICHELLE	Director	Award	8,333	—	—	16,666
2025-05-22	Bunn Paul A.	Director	Award	12,500	—	—	12,500
2025-05-22	Bunn Paul A.	Director	Award	8,333	—	—	16,666
2025-05-22	Stuglik Brian M	Director	Award	12,500	—	—	12,500
2025-05-22	Stuglik Brian M	Director	Award	8,333	—	—	102,920
2025-05-22	Gagnon Robert E.	Director	Award	12,500	—	—	12,500
2025-05-22	Gagnon Robert E.	Director	Award	8,333	—	—	42,526
2025-05-22	Kauffman Michael	Director, President of Development	Award	8,333	—	—	17,216
2025-05-22	Kauffman Michael	Director, President of Development	Award	12,500	—	—	12,500
2025-05-22	JOHNSON JOHN	Director	Award	12,500	—	—	12,500
2025-05-22	JOHNSON JOHN	Director	Award	8,333	—	—	16,666
2025-05-22	Kapur Anil	Director	Award	12,500	—	—	12,500
2025-05-22	Kapur Anil	Director	Award	8,333	—	—	16,666
2025-05-22	Tollefson Karin Anna	Director	Award	12,500	—	—	12,500
2025-05-22	Tollefson Karin Anna	Director	Award	8,333	—	—	16,666
2025-05-20	Calkins Daniel	Chief Financial Officer	Sell	11,143	$8.13	$90,593	114,055
2025-05-20	Paterson Dan	Director, President and CEO	Sell	58,677	$8.13	$477,044	461,982
2025-05-16	Calkins Daniel	Chief Financial Officer	Award	38,850	—	—	125,198
2025-05-16	Paterson Dan	Director, President and CEO	Award	25,000	—	—	370,659
2025-05-05	Paterson Dan	Director, President and CEO	Sell	820	$7.30	$5,986	345,659
2025-04-01	Ros Matthew	Director	Award	50,000	—	—	50,000
2025-03-24	Calkins Daniel	Chief Financial Officer	Sell	26	$7.04	$183	86,348
2025-03-20	Calkins Daniel	Chief Financial Officer	Sell	65	$6.89	$448	86,374
2025-03-17	Stuglik Brian M	Director	Sell	593	$6.95	$4,121	94,587
2025-03-17	Gagnon Robert E.	Director	Sell	284	$6.95	$1,974	34,193
2025-03-17	Paterson Dan	Director, President and CEO	Sell	244	$6.95	$1,696	346,479
2025-02-04	Paterson Dan	Director, President and CEO	Sell	858	$5.70	$4,891	346,723
2025-01-14	Ros Matthew	Director	Other	0	—	—	0
2025-01-13	Paterson Dan	Director, President and CEO	Sell	8,568	$5.24	$44,896	347,581
2025-01-10	Paterson Dan	Director, President and CEO	Award	100,000	—	—	331,149
2025-01-10	Calkins Daniel	Chief Financial Officer	Award	38,800	—	—	86,439
2025-01-06	Calkins Daniel	Chief Financial Officer	Sell	6	$6.94	$42	47,639
2024-12-24	Calkins Daniel	Chief Financial Officer	Sell	28	$3.91	$109	47,368
2024-12-20	Calkins Daniel	Chief Financial Officer	Sell	65	$4.34	$282	47,396
2024-12-19	Gagnon Robert E.	Director	Sell	130	$4.37	$568	34,477
2024-12-19	Paterson Dan	Director, President and CEO	Sell	183	$4.37	$800	231,149
2024-12-19	Stuglik Brian M	Director	Sell	334	$4.37	$1,460	95,180
2024-12-16	Gagnon Robert E.	Director	Sell	285	$4.54	$1,294	34,607
2024-12-16	Paterson Dan	Director, President and CEO	Sell	244	$4.54	$1,108	231,332
2024-12-16	Stuglik Brian M	Director	Sell	595	$4.54	$2,701	95,514
2024-11-05	Paterson Dan	Director, President and CEO	Sell	812	$3.84	$3,118	231,576
2024-10-07	Calkins Daniel	Chief Financial Officer	Sell	6	$2.86	$17	47,461
2024-09-24	Calkins Daniel	Chief Financial Officer	Sell	28	$2.68	$75	47,467
2024-09-20	Calkins Daniel	Chief Financial Officer	Sell	65	$2.80	$182	47,495
2024-09-19	Stuglik Brian M	Director	Sell	336	$2.79	$937	96,109
2024-09-19	Gagnon Robert E.	Director	Sell	131	$2.79	$365	34,892
2024-09-19	Paterson Dan	Director, President and CEO	Sell	184	$2.79	$513	232,388
2024-09-16	Gagnon Robert E.	Director	Sell	287	$2.80	$804	35,023
2024-09-16	Stuglik Brian M	Director	Sell	600	$2.80	$1,680	96,445
2024-09-16	Paterson Dan	Director, President and CEO	Sell	246	$2.80	$689	232,572
2024-08-05	Paterson Dan	Director, President and CEO	Sell	3,245	$2.16	$7,009	232,818
2024-07-09	Calkins Daniel	Chief Financial Officer	Sell	7	$2.62	$18	47,560
2024-06-24	Calkins Daniel	Chief Financial Officer	Sell	28	$3.15	$88	47,290
2024-06-20	Calkins Daniel	Chief Financial Officer	Sell	67	$3.16	$212	47,318