Sacks Natalie 4
4 · Caribou Biosciences, Inc. · Filed Feb 20, 2026
Research Summary
AI-generated summary of this filing
Caribou (CRBU) Director Natalie Sacks Receives 45,000-Share Award
What Happened
Natalie Sacks, a director of Caribou Biosciences, was granted a derivative award for 45,000 shares on 2026-02-20. The Form 4 reports an acquisition price of $0.00 (transaction code A — award/grant). This was a compensation award (not a sale or an immediate exercise) and no cash was reported as paid.
Key Details
- Transaction date: 2026-02-20
- Transaction type/code: Award/Grant (A) — derivative security
- Shares awarded: 45,000; Price reported: $0.00 (no cash paid)
- Shares owned after transaction: Not reported in this filing
- Vesting: One‑twelfth of the award vests each month; fully vested on 2027-02-20, subject to continued service (Footnote F1)
- Filing status: Form filed on 2026-02-20 (timely in this filing)
Context
This is a time‑vesting derivative award (commonly RSUs or similar director compensation). The award does not represent an immediate market purchase or sale — underlying shares will vest over the next 12 months if service continues. Such awards are routine director compensation and do not, by themselves, indicate a buy or sell signal.
Insider Transaction Report
- Award
Option to purchase Common Stock
[F1]2026-02-20+45,000→ 45,000 totalExercise: $1.80Exp: 2036-02-19→ Common 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.