Caribou Biosciences, Inc.·4

Feb 20, 5:27 PM ET

Braunstein Scott 4

4 · Caribou Biosciences, Inc. · Filed Feb 20, 2026

Research Summary

AI-generated summary of this filing

Updated

Caribou Biosciences Director Scott Braunstein Receives 45k-Share Award

What Happened

  • Scott Braunstein, a director of Caribou Biosciences (CRBU), was granted a derivative award on Feb 20, 2026 to acquire 45,000 shares. The Form 4 reports the acquisition (code A) at $0.00 (derivative award); no cash purchase or immediate sale was reported.
  • This is an equity award/option-style grant as part of compensation, not an open-market purchase or sale. The filing does not indicate an immediate exercise or sale of shares.

Key Details

  • Transaction date: 2026-02-20; transaction type: Award/Acquisition (derivative) reported at $0.00.
  • Shares involved: 45,000-share award. Total shares owned after the transaction are not specified in the provided summary.
  • Vesting: Footnote — one-twelfth of the option vests on each monthly anniversary of the grant date, fully vested on Feb 20, 2027, subject to continued service (see F1).
  • Timeliness: Reported on the same date (Period of Report = 2026-02-20), indicating a timely Form 4 filing.

Context

  • This is a grant of a derivative equity award (commonly a stock option or similar). Such awards are typical compensation for directors and do not by themselves imply buying or selling pressure.
  • For retail investors: purchases or open-market insider buys are often more directly informative about sentiment; grants like this primarily reflect compensation and vesting conditions. If you track insider ownership changes, watch for later filings that show exercises, sales, or updated balances.

Insider Transaction Report

Form 4
Period: 2026-02-20
Transactions
  • Award

    Option to purchase Common Stock

    [F1]
    2026-02-20+45,00045,000 total
    Exercise: $1.80Exp: 2036-02-19Common Stock (45,000 underlying)
Footnotes (1)
  • [F1]One-twelfth of the shares subject to this option will vest on each monthly anniversary of the grant date such that the option will be fully vested on February 20, 2027, subject to the reporting person continuing to provide service to the Issuer through each such vesting date.
Signature
/s/ Barbara G. McClung, as attorney-in-fact|2026-02-20

Documents

1 file
  • 4
    wk-form4_1771626422.xmlPrimary

    FORM 4