Insiders / Haurwitz Rachel E.

Haurwitz Rachel E.

CIK 1670579personinsider

Companies

First seen

Feb 20, 2026

Last activity

Feb 20, 2026

Companies

Company	Role	Shares held	Peak held	Trades	Latest
Caribou Biosciences, Inc. · CRBU	CEO	447,150	682,500	2	—

2 positions · latest reported per filing

Company	Security	Shares	As of
Caribou Biosciences, Inc.	Common Stock	447,150	Feb 20, 2026
Caribou Biosciences, Inc.	Option to purchase Common StockDerivative	682,500	Feb 20, 2026

InsidersInstitutions

This person's insider trades (Form 4), across every company.

Date	Action	Company	Value	Shares Δ	Position after	Impact
Feb 20, 2026	Grant	CRBU Caribou Biosciences, Inc. Common Stock	$0	+152K +51.35%	447,150 0.45% of shares	low
Feb 20, 2026	Grant	CRBU Caribou Biosciences, Inc. Option to purchase Common Stock	—	+683K	682,500 0.69% of shares	low