Transaction · 0001104659-26-113361

Calkins Daniel

Calkins Daniel, CFO, reported a transaction classified as grant at Verastem, Inc. involving 8333.000000 shares for an estimated $0.00. Reported holdings after the transaction were 126347.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code ACFO
VSTMVerastem, Inc.
Filing timeOct 02
Trade dateSep 30, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position tradedUnavailableCalculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$7.70
Pre-filing
1mo ago -6.2%1w ago +3.6%1d ago +2.9%
Returns since
7d30d90d180d1y

VSTM price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
VSTM since 2026-10-02Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
grant
Code A
Identifier
0001104659-26-113361
Common Stock
Transaction date
Sep 30, 2026
Filed Oct 02, 2026, 09:15 PM · 2d delay
Shares
8.33k sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
126k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
-12score
Filing-only score

-12

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Financial Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The reported securities were subject to a performance restricted stock units ("RSU") award that was granted on January 21, 2026. 106,893 RSUs vested on September 30, 2026, upon the Issuer's Compensati…

  2. F2

    The sale reported on this Form 4 represents shares sold by the Reporting Person to satisfy statutory withholding requirements in connection with the vesting of RSUs.

Original filing · 0001104659-26-113361
Related transactions

0 other filings

Same reporting owner
Recent company activity

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VSTM