Verastem Inc (VSTM)

Verastem Inc. experienced three insider transactions over the past ninety days, resulting in a net negative value of approximately 7,565 dollars. These sales involved executive leadership, including the Chief Financial Officer. This activity follows an August earnings report where the firm exceeded expectations by nearly twenty-four percent, occurring amidst stock price fluctuations.
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
3.4
Calkins Daniel Chief Financial Officer Officer
Transaction date
Planned sale
Price
486.40
Quantity 83,082 -22.8%
Value US$4,955,965
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
42.20
Quantity 87,886 +36.7%
Value US$1,590,475
3.1
Gagnon Robert E. Director Non-Executive Director
Transaction date
Proposed sale
Price
371.74
Quantity 49,992
Value US$2,697,161
3.1
Gagnon Robert E. Director Non-Executive Director
Transaction date
Proposed sale
Price
4.21
Quantity 21,492
Value US$90,481
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
4.18
Quantity 20,871 -3.4%
Value US$87,241
3.4
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
4.13
Quantity 57 -0.0%
Value US$235
3.4
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
4.18
Quantity 4,032 -3.3%
Value US$16,854
3.4
Dan Paterson Officer, Director Executive Director
Transaction date
Proposed sale
Price
4.18
Quantity 20,871
Value US$87,241
3.4
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
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
5.82
Quantity 806 -0.1%
Value US$4,691
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
6.69
Quantity 970 -0.2%
Value US$6,489
3.4
Dan Paterson Officer Officer
Transaction date
Proposed sale
Price
7.16
Quantity 5,039
Value US$36,069
3.4
Dan Paterson Officer, Director Executive Director
Transaction date
Proposed sale
Price
7.16
Quantity 10,321
Value US$73,851
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
7.16
Quantity 10,321 -2.5%
Value US$73,898
3.4
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
7.16
Quantity 5,039 -4.6%
Value US$36,079
3.4
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
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
9.14
Quantity 393 -0.1%
Value US$3,592
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.00
Quantity 2,000 -0.5%
Value US$20,000
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.07
Quantity 2,000 -0.5%
Value US$20,140
3.4
Paterson Dan Officer Officer
Transaction date
Proposed sale
Price
10.27
Quantity 7,790
Value US$80,003
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.25
Quantity 2,000 -0.5%
Value US$20,500
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.50
Quantity 2,000 -0.5%
Value US$21,000
3.4
Paterson Dan Officer Officer
Transaction date
Proposed sale
Price
10.00
Quantity 11,790
Value US$117,900
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.61
Quantity 2,000 -0.5%
Value US$21,220
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.00
Quantity 2,000 -0.5%
Value US$20,000
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.00
Quantity 2,000 -0.5%
Value US$20,000
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.32
Quantity 2,000 -0.5%
Value US$20,640
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.39
Quantity 2,000 -0.5%
Value US$20,780
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.79
Quantity 2,000 -0.5%
Value US$21,580
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.32
Quantity 2,000 -0.5%
Value US$20,640
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.00
Quantity 2,000 -0.5%
Value US$20,000
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.00
Quantity 2,000 -0.5%
Value US$20,000
3.4
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
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Planned sale
Price
10.00
Quantity 2,000 -0.5%
Value US$20,000
3.4
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
3.4
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
9.23
Quantity 25 -0.0%
Value US$231
3.4
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
9.08
Quantity 57 -0.1%
Value US$518
3.4
Paterson Dan Officer; Director Executive Director
Transaction date
Proposed sale
Price
9.76
Quantity 31,790
Value US$310,429
3.4
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
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
5.81
Quantity 1,332 -0.3%
Value US$7,739
3.4
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
4.71
Quantity 25 -0.0%
Value US$118
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
5.13
Quantity 17,808 -3.9%
Value US$91,355
3.4
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
5.13
Quantity 4,110 -3.6%
Value US$21,084
3.4
Dan Paterson Officer; Director Executive Director
Transaction date
Proposed sale
Price
5.13
Quantity 17,808
Value US$91,334
3.4
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
3.4
Daniel Calkins Officer Officer
Transaction date
Proposed sale
Price
8.10
Quantity 11,143
Value US$90,293
3.4
Dan Paterson Officer, Director Executive Director
Transaction date
Proposed sale
Price
8.13
Quantity 58,677
Value US$477,044
3.4
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
8.13
Quantity 11,143 -8.9%
Value US$90,593
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
8.13
Quantity 58,677 -11.3%
Value US$477,044
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
7.30
Quantity 820 -0.2%
Value US$5,986
3.4
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
7.04
Quantity 26 -0.0%
Value US$183
3.4
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
6.89
Quantity 65 -0.1%
Value US$448
3.4
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
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
5.70
Quantity 858 -0.2%
Value US$4,891
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
5.24
Quantity 8,568 -2.4%
Value US$44,896
3.4
Dan Paterson Officer, Director Executive Director
Transaction date
Proposed sale
Price
5.24
Quantity 8,568
Value US$44,909
3.4
Calkins Daniel Chief Financial Officer Officer
Transaction date
Planned sale
Price
6.94
Quantity 6 -0.0%
Value US$42
3.4
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
3.91
Quantity 28 -0.1%
Value US$109
3.4
Calkins Daniel Chief Financial Officer Officer
Transaction date
Sale
Price
4.34
Quantity 65 -0.1%
Value US$282
3.4
Paterson Dan President and CEO Executive Director
Transaction date
Sale
Price
4.37
Quantity 183 -0.1%
Value US$800
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-09-23 2026-09-21 PlS Planned sale

Chief Financial Officer

Officer
83,082 -22.8%
486.40
US$4,955,965
83,082 -22.8% 486.40 US$4,955,965
2026-08-05 2026-08-03 S Sale

President and CEO

Executive Director
87,886 +36.7%
42.20
US$1,590,475
87,886 +36.7% 42.20 US$1,590,475
2026-07-23 2026-07-23 PrS Proposed sale

Director

Non-Executive Director
49,992
371.74
US$2,697,161
49,992 371.74 US$2,697,161
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
2025-01-08 2025-01-06 PlS Planned sale

Chief Financial Officer

Officer
6 -0.0%
6.94
US$42
6 -0.0% 6.94 US$42
2024-12-26 2024-12-24 S Sale

Chief Financial Officer

Officer
28 -0.1%
3.91
US$109
28 -0.1% 3.91 US$109
2024-12-26 2024-12-20 S Sale

Chief Financial Officer

Officer
65 -0.1%
4.34
US$282
65 -0.1% 4.34 US$282
2024-12-20 2024-12-19 S Sale

President and CEO

Executive Director
183 -0.1%
4.37
US$800
183 -0.1% 4.37 US$800