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Verastem, Inc.

VSTM Scheduled selling only
CIK 0001526119 #2939 in the set updated 17 Sep 2026
Bought (12 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$788.16K
$725.66K on a plan · $62.50K straight out of an exercise
Sold at will
$0.00
0 of 33 sales
Net
−$788.16K
$0.00 against sales at will

By person

13 insiders · 33 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Paterson Dan
President and CEO
$502.12K (22) scheduled
−$502.12K
589,940
$3.43M
+1.3%
Bunn Paul A.
Director
$138.00K (2) scheduled
−$138.00K
44,333
$257.57K
+432.0%
Kauffman Michael
President of Development
$85.50K (1) scheduled
−$85.50K
8,666
$50.35K
−2.4%
Calkins Daniel
Chief Financial Officer
$54.55K (6) scheduled
−$54.55K
117,238
$681.15K
−6.6%
Stuglik Brian M
Director
$5.41K (1) scheduled
−$5.41K
137,147
$796.82K
+42.2%
Gagnon Robert E.
Director
$2.59K (1) scheduled
−$2.59K
41,678
$242.15K
+19.0%
BAILEY MICHAEL P
Director
108,000
$627.48K
Rowinsky Eric K
Director
52,666
$305.99K
+532.0%
Kapur Anil
Director
52,666
$305.99K
+532.0%
JOHNSON JOHN
Director
52,666
$305.99K
+532.0%
ROBERTSON MICHELLE
Director
52,666
$305.99K
+532.0%
Tollefson Karin Anna
Director
52,666
$305.99K
+532.0%
Ros Matthew
Chief Operating Officer
50,000
$290.50K

No percentages here. This company's share count has moved by a factor of 2.0 over the window, from 44,506,526 to 90,563,441 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Insider
Date
Role
Action
Shares
Price
Amount
Paterson Dan
3 Aug 2026
President and CEO
Sold on a plan
1,302
$5.81
$7.56K
Calkins Daniel
22 Jun 2026
Chief Financial Officer
Sold on a plan
57
$4.13
$235.41
Calkins Daniel
22 Jun 2026
Chief Financial Officer
Sold on a plan
4,032
$4.18
$16.85K
Paterson Dan
22 Jun 2026
President and CEO
Sold on a plan
20,871
$4.18
$87.24K
Paterson Dan
4 May 2026
President and CEO
Sold on a plan
806
$5.82
$4.69K
Paterson Dan
4 Feb 2026
President and CEO
Sold on a plan
970
$6.69
$6.49K
Calkins Daniel
12 Jan 2026
Chief Financial Officer
Sold on a plan
5,039
$7.16
$36.08K
Paterson Dan
12 Jan 2026
President and CEO
Sold on a plan
10,321
$7.16
$73.90K
Calkins Daniel
24 Dec 2025
Chief Financial Officer
Sold on a plan
80
$7.86
$628.80
Gagnon Robert E.
16 Dec 2025
Director
Sold on a plan
283
$9.14
$2.59K
Paterson Dan
16 Dec 2025
President and CEO
Sold on a plan
393
$9.14
$3.59K
Stuglik Brian M
16 Dec 2025
Director
Sold on a plan
592
$9.14
$5.41K
Paterson Dan
11 Dec 2025
President and CEO
Sold on a plan
2,000
$10.00
$20.00K
Paterson Dan
10 Dec 2025
President and CEO
Sold on a plan
2,000
$10.07
$20.14K
Paterson Dan
9 Dec 2025
President and CEO
Sold on a plan
2,000
$10.25
$20.50K
Paterson Dan
8 Dec 2025
President and CEO
Sold on a plan
2,000
$10.50
$21.00K
Paterson Dan
5 Dec 2025
President and CEO
Sold on a plan
2,000
$10.61
$21.22K
Paterson Dan
4 Dec 2025
President and CEO
Sold on a plan
2,000
$10.00
$20.00K
Paterson Dan
3 Dec 2025
President and CEO
Sold on a plan
2,000
$10.00
$20.00K
Paterson Dan
2 Dec 2025
President and CEO
Sold on a plan
2,000
$10.32
$20.64K
Paterson Dan
1 Dec 2025
President and CEO
Sold on a plan
2,000
$10.39
$20.78K
Paterson Dan
28 Nov 2025
President and CEO
Sold on a plan
2,000
$10.79
$21.58K
Paterson Dan
26 Nov 2025
President and CEO
Sold on a plan
2,000
$10.32
$20.64K
Paterson Dan
25 Nov 2025
President and CEO
Sold on a plan
2,000
$10.00
$20.00K
Paterson Dan
24 Nov 2025
President and CEO
Sold on a plan
2,000
$10.00
$20.00K
Paterson Dan
21 Nov 2025
President and CEO
Sold on a plan
2,000
$10.00
$20.00K
Kauffman Michael
21 Nov 2025
Director
Sold on a plan
8,550
$10.00
$85.50K
Bunn Paul A.
21 Nov 2025
Director
Sold after exercise
6,250
$10.00
$62.50K
Paterson Dan
3 Nov 2025
President and CEO
Sold on a plan
2,000
$10.00
$20.00K
Paterson Dan
3 Nov 2025
President and CEO
Sold on a plan
1,299
$9.35
$12.15K
Bunn Paul A.
9 Oct 2025
Director
Sold on a plan
8,333
$9.06
$75.50K
Calkins Daniel
24 Sep 2025
Chief Financial Officer
Sold on a plan
25
$9.23
$230.75
Calkins Daniel
22 Sep 2025
Chief Financial Officer
Sold on a plan
57
$9.08
$517.56

What was left out

Form 4 filings counted 36
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 32
Sales straight out of an exercise 1
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 596,757
History held since 1 Nov 2016