Verastem Inc (VSTM)

Verastem Inc. experienced significant insider trading activity recently, with executives offloading shares totaling approximately $385,966 in net value over the past 90 days. Key leadership, including the CEO and CFO, executed multiple sales. These divestments occurred alongside a 23.9% stock price increase, following a recent earnings report that missed expectations.
Ticker: VSTM Exchange: NMS


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Verastem Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
476.11
Quantity 71,850 -48.2%
Value US$1,071,583
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
25.05
Quantity 13,643 -3.9%
Value US$4,419,305
3.2
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
432.75
Quantity 92,066 +46.6%
Value US$1,797,106
3.1
Dan Paterson Officer, Director Executive Director
Transaction date
Proposed sale
Price
8.00
Quantity 44,121
Value US$353,047
3.2
Calkins Daniel Chief Financial Officer Officer
Transaction date
Planned sale
Price
7.70
Quantity 55 -0.0%
Value US$424
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
5.81
Quantity 1,302 -0.2%
Value US$7,565
3.1
Gagnon Robert E. Director Non-Executive Director
Transaction date
Proposed sale
Price
5.89
Quantity 31,924
Value US$188,032
3.1
Gagnon Robert E. Director Non-Executive Director
Transaction date
Proposed sale
Price
4.21
Quantity 21,492
Value US$90,481
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
4.18
Quantity 20,871 -3.4%
Value US$87,241
3.2
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
4.13
Quantity 57 -0.0%
Value US$235
3.2
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
4.18
Quantity 4,032 -3.3%
Value US$16,854
3.1
Dan Paterson Officer, Director Executive Director
Transaction date
Proposed sale
Price
4.18
Quantity 20,871
Value US$87,241
3.1
Dan Paterson Officer, Director Executive Director
Transaction date
Proposed sale
Price
4.18
Quantity 20,871
Value US$87,241
3.1
Gagnon Robert E. Director Non-Executive Director
Transaction date
Proposed sale
Price
4.36
Quantity 20,103
Value US$87,649
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
5.82
Quantity 806 -0.1%
Value US$4,691
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
6.69
Quantity 970 -0.2%
Value US$6,489
3.2
Dan Paterson Officer Officer
Transaction date
Proposed sale
Price
7.16
Quantity 5,039
Value US$36,069
3.1
Dan Paterson Officer, Director Executive Director
Transaction date
Proposed sale
Price
7.16
Quantity 10,321
Value US$73,851
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
7.16
Quantity 10,321 -2.5%
Value US$73,898
3.2
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
7.16
Quantity 5,039 -4.6%
Value US$36,079
3.2
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
7.86
Quantity 80 -0.1%
Value US$629
3.1
Gagnon Robert E. Non-Executive Director
Transaction date
Sale
Price
9.14
Quantity 283 -0.7%
Value US$2,587
4.1
Stuglik Brian M Non-Executive Director
Transaction date
Sale
Price
9.14
Quantity 592 -0.6%
Value US$5,411
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
9.14
Quantity 393 -0.1%
Value US$3,592
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.00
Quantity 2,000 -0.5%
Value US$20,000
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.07
Quantity 2,000 -0.5%
Value US$20,140
3.1
Paterson Dan Officer Officer
Transaction date
Proposed sale
Price
10.27
Quantity 7,790
Value US$80,003
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.25
Quantity 2,000 -0.5%
Value US$20,500
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.50
Quantity 2,000 -0.5%
Value US$21,000
3.1
Paterson Dan Officer Officer
Transaction date
Proposed sale
Price
10.00
Quantity 11,790
Value US$117,900
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.61
Quantity 2,000 -0.5%
Value US$21,220
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.00
Quantity 2,000 -0.5%
Value US$20,000
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.00
Quantity 2,000 -0.5%
Value US$20,000
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.32
Quantity 2,000 -0.5%
Value US$20,640
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.39
Quantity 2,000 -0.5%
Value US$20,780
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.79
Quantity 2,000 -0.5%
Value US$21,580
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.32
Quantity 2,000 -0.5%
Value US$20,640
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.00
Quantity 2,000 -0.5%
Value US$20,000
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.00
Quantity 2,000 -0.5%
Value US$20,000
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.00
Quantity 2,000 -0.5%
Value US$20,000
Bunn Paul A. Non-Executive Director
Transaction date
Planned sale
Price
10.00
Quantity 6,250 -75.0%
Value US$62,500
3.9
Kauffman Michael Non-Executive Director
Transaction date
Planned sale
Price
10.00
Quantity 8,550 -49.7%
Value US$85,500
3.9
Kauffman Michael Board Member
Transaction date
Proposed sale
Price
9.81
Quantity 8,550
Value US$83,876
Bunn Paul A. Board Member
Transaction date
Proposed sale
Price
9.81
Quantity 6,250
Value US$61,312
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.00
Quantity 2,000 -0.5%
Value US$20,000
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
9.35
Quantity 1,299 -0.3%
Value US$12,146
Bunn Paul A. Non-Executive Director
Transaction date
Planned sale
Price
9.06
Quantity 8,333 -50.0%
Value US$75,497
Bunn Paul A. Board Member
Transaction date
Proposed sale
Price
8.94
Quantity 8,333
Value US$74,497
3.2
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
9.23
Quantity 25 -0.0%
Value US$231
3.2
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
9.08
Quantity 57 -0.1%
Value US$518
3.1
Paterson Dan Officer; Director Executive Director
Transaction date
Proposed sale
Price
9.76
Quantity 31,790
Value US$310,429
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
9.99
Quantity 390 -0.1%
Value US$3,896
3.1
Gagnon Robert E. Non-Executive Director
Transaction date
Sale
Price
9.99
Quantity 281 -0.7%
Value US$2,807
4.1
Stuglik Brian M Non-Executive Director
Transaction date
Sale
Price
9.99
Quantity 587 -0.6%
Value US$5,864
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
5.81
Quantity 1,332 -0.3%
Value US$7,739
3.2
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
4.71
Quantity 25 -0.0%
Value US$118
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
5.13
Quantity 17,808 -3.9%
Value US$91,355
3.2
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
5.13
Quantity 4,110 -3.6%
Value US$21,084
3.1
Dan Paterson Officer; Director Executive Director
Transaction date
Proposed sale
Price
5.13
Quantity 17,808
Value US$91,334
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
5.65
Quantity 335 -0.1%
Value US$1,893
4.1
Stuglik Brian M Non-Executive Director
Transaction date
Sale
Price
5.65
Quantity 594 -0.6%
Value US$3,356
3.1
Gagnon Robert E. Non-Executive Director
Transaction date
Sale
Price
5.65
Quantity 284 -0.7%
Value US$1,605
3.2
Daniel Calkins Officer Officer
Transaction date
Proposed sale
Price
8.10
Quantity 11,143
Value US$90,293
3.1
Dan Paterson Officer, Director Executive Director
Transaction date
Proposed sale
Price
8.13
Quantity 58,677
Value US$477,044
3.2
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
8.13
Quantity 11,143 -8.9%
Value US$90,593
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
8.13
Quantity 58,677 -11.3%
Value US$477,044
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
7.30
Quantity 820 -0.2%
Value US$5,986
3.2
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
7.04
Quantity 26 -0.0%
Value US$183
3.2
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
6.89
Quantity 65 -0.1%
Value US$448
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
6.95
Quantity 244 -0.1%
Value US$1,696
4.1
Stuglik Brian M Non-Executive Director
Transaction date
Sale
Price
6.95
Quantity 593 -0.6%
Value US$4,121
3.1
Gagnon Robert E. Non-Executive Director
Transaction date
Sale
Price
6.95
Quantity 284 -0.8%
Value US$1,974
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
5.70
Quantity 858 -0.2%
Value US$4,891
3.1
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
5.24
Quantity 8,568 -2.4%
Value US$44,896
3.1
Dan Paterson Officer, Director Executive Director
Transaction date
Proposed sale
Price
5.24
Quantity 8,568
Value US$44,909
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-11-05 2026-11-03 S Sale

President and CEO

Executive Director
71,850 -48.2%
476.11
US$1,071,583
71,850 -48.2% 476.11 US$1,071,583
2026-10-02 2026-10-01 S Sale

President and CEO

Executive Director
13,643 -3.9%
25.05
US$4,419,305
13,643 -3.9% 25.05 US$4,419,305
2026-10-02 2026-10-01 S Sale

Chief Financial Officer

Officer
92,066 +46.6%
432.75
US$1,797,106
92,066 +46.6% 432.75 US$1,797,106
2026-10-01 2026-10-01 PrS Proposed sale

Officer, Director

Executive Director
44,121
8.00
US$353,047
44,121 8.00 US$353,047
2026-09-23 2026-09-21 PlS Planned sale

Chief Financial Officer

Officer
55 -0.0%
7.70
US$424
55 -0.0% 7.70 US$424
2026-08-05 2026-08-03 S Sale

President and CEO

Executive Director
1,302 -0.2%
5.81
US$7,565
1,302 -0.2% 5.81 US$7,565
2026-07-23 2026-07-23 PrS Proposed sale

Director

Non-Executive Director
31,924
5.89
US$188,032
31,924 5.89 US$188,032
2026-06-25 2026-06-25 PrS Proposed sale

Director

Non-Executive Director
21,492
4.21
US$90,481
21,492 4.21 US$90,481
2026-06-24 2026-06-22 S Sale

President and CEO

Executive Director
20,871 -3.4%
4.18
US$87,241
20,871 -3.4% 4.18 US$87,241
2026-06-24 2026-06-22 S Sale

Chief Financial Officer

Officer
57 -0.0%
4.13
US$235
57 -0.0% 4.13 US$235
2026-06-24 2026-06-22 S Sale

Chief Financial Officer

Officer
4,032 -3.3%
4.18
US$16,854
4,032 -3.3% 4.18 US$16,854
2026-06-22 2026-06-22 PrS Proposed sale

Officer, Director

Executive Director
20,871
4.18
US$87,241
20,871 4.18 US$87,241
2026-06-22 2026-06-22 PrS Proposed sale

Officer, Director

Executive Director
20,871
4.18
US$87,241
20,871 4.18 US$87,241
2026-05-27 2026-05-27 PrS Proposed sale

Director

Non-Executive Director
20,103
4.36
US$87,649
20,103 4.36 US$87,649
2026-05-06 2026-05-04 S Sale

President and CEO

Executive Director
806 -0.1%
5.82
US$4,691
806 -0.1% 5.82 US$4,691
2026-02-05 2026-02-04 S Sale

President and CEO

Executive Director
970 -0.2%
6.69
US$6,489
970 -0.2% 6.69 US$6,489
2026-01-14 2026-01-12 PrS Proposed sale

Officer

Officer
5,039
7.16
US$36,069
5,039 7.16 US$36,069
2026-01-14 2026-01-12 PrS Proposed sale

Officer, Director

Executive Director
10,321
7.16
US$73,851
10,321 7.16 US$73,851
2026-01-14 2026-01-12 S Sale

President and CEO

Executive Director
10,321 -2.5%
7.16
US$73,898
10,321 -2.5% 7.16 US$73,898
2026-01-14 2026-01-12 S Sale

Chief Financial Officer

Officer
5,039 -4.6%
7.16
US$36,079
5,039 -4.6% 7.16 US$36,079
2025-12-29 2025-12-24 S Sale

Chief Financial Officer

Officer
80 -0.1%
7.86
US$629
80 -0.1% 7.86 US$629
2025-12-18 2025-12-16 S Sale Non-Executive Director
283 -0.7%
9.14
US$2,587
283 -0.7% 9.14 US$2,587
2025-12-18 2025-12-16 S Sale Non-Executive Director
592 -0.6%
9.14
US$5,411
592 -0.6% 9.14 US$5,411
2025-12-18 2025-12-16 S Sale

President and CEO

Executive Director
393 -0.1%
9.14
US$3,592
393 -0.1% 9.14 US$3,592
2025-12-12 2025-12-11 PlS Planned sale

President and CEO

Executive Director
2,000 -0.5%
10.00
US$20,000
2,000 -0.5% 10.00 US$20,000
2025-12-12 2025-12-10 PlS Planned sale

President and CEO

Executive Director
2,000 -0.5%
10.07
US$20,140
2,000 -0.5% 10.07 US$20,140
2025-12-09 2025-12-09 PrS Proposed sale

Officer

Officer
7,790
10.27
US$80,003
7,790 10.27 US$80,003
2025-12-09 2025-12-09 PlS Planned sale

President and CEO

Executive Director
2,000 -0.5%
10.25
US$20,500
2,000 -0.5% 10.25 US$20,500
2025-12-09 2025-12-08 PlS Planned sale

President and CEO

Executive Director
2,000 -0.5%
10.50
US$21,000
2,000 -0.5% 10.50 US$21,000
2025-12-10 2025-12-05 PrS Proposed sale

Officer

Officer
11,790
10.00
US$117,900
11,790 10.00 US$117,900
2025-12-09 2025-12-05 PlS Planned sale

President and CEO

Executive Director
2,000 -0.5%
10.61
US$21,220
2,000 -0.5% 10.61 US$21,220
2025-12-04 2025-12-04 PlS Planned sale

President and CEO

Executive Director
2,000 -0.5%
10.00
US$20,000
2,000 -0.5% 10.00 US$20,000
2025-12-04 2025-12-03 PlS Planned sale

President and CEO

Executive Director
2,000 -0.5%
10.00
US$20,000
2,000 -0.5% 10.00 US$20,000
2025-12-04 2025-12-02 PlS Planned sale

President and CEO

Executive Director
2,000 -0.5%
10.32
US$20,640
2,000 -0.5% 10.32 US$20,640
2025-12-01 2025-12-01 PlS Planned sale

President and CEO

Executive Director
2,000 -0.5%
10.39
US$20,780
2,000 -0.5% 10.39 US$20,780
2025-12-01 2025-11-28 PlS Planned sale

President and CEO

Executive Director
2,000 -0.5%
10.79
US$21,580
2,000 -0.5% 10.79 US$21,580
2025-12-01 2025-11-26 PlS Planned sale

President and CEO

Executive Director
2,000 -0.5%
10.32
US$20,640
2,000 -0.5% 10.32 US$20,640
2025-11-25 2025-11-25 PlS Planned sale

President and CEO

Executive Director
2,000 -0.5%
10.00
US$20,000
2,000 -0.5% 10.00 US$20,000
2025-11-25 2025-11-24 PlS Planned sale

President and CEO

Executive Director
2,000 -0.5%
10.00
US$20,000
2,000 -0.5% 10.00 US$20,000
2025-11-25 2025-11-21 PlS Planned sale

President and CEO

Executive Director
2,000 -0.5%
10.00
US$20,000
2,000 -0.5% 10.00 US$20,000
2025-11-25 2025-11-21 PlS Planned sale Non-Executive Director
6,250 -75.0%
10.00
US$62,500
6,250 -75.0% 10.00 US$62,500
2025-11-25 2025-11-21 PlS Planned sale Non-Executive Director
8,550 -49.7%
10.00
US$85,500
8,550 -49.7% 10.00 US$85,500
2025-11-21 2025-11-21 PrS Proposed sale

Board Member

8,550
9.81
US$83,876
8,550 9.81 US$83,876
2025-11-21 2025-11-21 PrS Proposed sale

Board Member

6,250
9.81
US$61,312
6,250 9.81 US$61,312
2025-11-06 2025-11-03 PlS Planned sale

President and CEO

Executive Director
2,000 -0.5%
10.00
US$20,000
2,000 -0.5% 10.00 US$20,000
2025-11-06 2025-11-03 S Sale

President and CEO

Executive Director
1,299 -0.3%
9.35
US$12,146
1,299 -0.3% 9.35 US$12,146
2025-10-14 2025-10-09 PlS Planned sale Non-Executive Director
8,333 -50.0%
9.06
US$75,497
8,333 -50.0% 9.06 US$75,497
2025-10-09 2025-10-09 PrS Proposed sale

Board Member

8,333
8.94
US$74,497
8,333 8.94 US$74,497
2025-09-24 2025-09-24 S Sale

Chief Financial Officer

Officer
25 -0.0%
9.23
US$231
25 -0.0% 9.23 US$231
2025-09-24 2025-09-22 S Sale

Chief Financial Officer

Officer
57 -0.1%
9.08
US$518
57 -0.1% 9.08 US$518
2025-09-04 2025-09-17 PrS Proposed sale

Officer; Director

Executive Director
31,790
9.76
US$310,429
31,790 9.76 US$310,429
2025-09-18 2025-09-16 S Sale

President and CEO

Executive Director
390 -0.1%
9.99
US$3,896
390 -0.1% 9.99 US$3,896
2025-09-18 2025-09-16 S Sale Non-Executive Director
281 -0.7%
9.99
US$2,807
281 -0.7% 9.99 US$2,807
2025-09-18 2025-09-16 S Sale Non-Executive Director
587 -0.6%
9.99
US$5,864
587 -0.6% 9.99 US$5,864
2025-08-06 2025-08-06 S Sale

President and CEO

Executive Director
1,332 -0.3%
5.81
US$7,739
1,332 -0.3% 5.81 US$7,739
2025-06-24 2025-06-23 S Sale

Chief Financial Officer

Officer
25 -0.0%
4.71
US$118
25 -0.0% 4.71 US$118
2025-06-24 2025-06-20 S Sale

President and CEO

Executive Director
17,808 -3.9%
5.13
US$91,355
17,808 -3.9% 5.13 US$91,355
2025-06-24 2025-06-20 S Sale

Chief Financial Officer

Officer
4,110 -3.6%
5.13
US$21,084
4,110 -3.6% 5.13 US$21,084
2025-06-20 2025-06-20 PrS Proposed sale

Officer; Director

Executive Director
17,808
5.13
US$91,334
17,808 5.13 US$91,334
2025-06-20 2025-06-16 S Sale

President and CEO

Executive Director
335 -0.1%
5.65
US$1,893
335 -0.1% 5.65 US$1,893
2025-06-20 2025-06-16 S Sale Non-Executive Director
594 -0.6%
5.65
US$3,356
594 -0.6% 5.65 US$3,356
2025-06-20 2025-06-16 S Sale Non-Executive Director
284 -0.7%
5.65
US$1,605
284 -0.7% 5.65 US$1,605
2025-05-20 2025-05-20 PrS Proposed sale

Officer

Officer
11,143
8.10
US$90,293
11,143 8.10 US$90,293
2025-05-20 2025-05-20 PrS Proposed sale

Officer, Director

Executive Director
58,677
8.13
US$477,044
58,677 8.13 US$477,044
2025-05-20 2025-05-20 S Sale

Chief Financial Officer

Officer
11,143 -8.9%
8.13
US$90,593
11,143 -8.9% 8.13 US$90,593
2025-05-20 2025-05-20 S Sale

President and CEO

Executive Director
58,677 -11.3%
8.13
US$477,044
58,677 -11.3% 8.13 US$477,044
2025-05-07 2025-05-05 S Sale

President and CEO

Executive Director
820 -0.2%
7.30
US$5,986
820 -0.2% 7.30 US$5,986
2025-03-24 2025-03-24 S Sale

Chief Financial Officer

Officer
26 -0.0%
7.04
US$183
26 -0.0% 7.04 US$183
2025-03-24 2025-03-20 S Sale

Chief Financial Officer

Officer
65 -0.1%
6.89
US$448
65 -0.1% 6.89 US$448
2025-03-19 2025-03-17 S Sale

President and CEO

Executive Director
244 -0.1%
6.95
US$1,696
244 -0.1% 6.95 US$1,696
2025-03-19 2025-03-17 S Sale Non-Executive Director
593 -0.6%
6.95
US$4,121
593 -0.6% 6.95 US$4,121
2025-03-19 2025-03-17 S Sale Non-Executive Director
284 -0.8%
6.95
US$1,974
284 -0.8% 6.95 US$1,974
2025-02-05 2025-02-04 S Sale

President and CEO

Executive Director
858 -0.2%
5.70
US$4,891
858 -0.2% 5.70 US$4,891
2025-01-14 2025-01-13 S Sale

President and CEO

Executive Director
8,568 -2.4%
5.24
US$44,896
8,568 -2.4% 5.24 US$44,896
2025-01-13 2025-01-13 PrS Proposed sale

Officer, Director

Executive Director
8,568
5.24
US$44,909
8,568 5.24 US$44,909

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