Transaction · 0001230724-25-000003

GUGGENHIME ANDREW

GUGGENHIME ANDREW, DIR, reported a transaction classified as grant at Caribou Biosciences, Inc. involving 40500.000000 shares for an estimated $0.00. Reported holdings after the transaction were 40500.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code ADIR
CRBUCaribou Biosciences, Inc.
Filing timeFeb 22
Trade dateFeb 20, 2025
Filing · SECView on SEC
InsiderProfile

Price performance since filing

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CRBU price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
CRBU since 2025-02-22Filed 558 days ago · 30 days of pre-filing context shaded
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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

Derivative
Type
grant
Code A
Identifier
0001230724-25-000003
Option to purchase Common Stock
Transaction date
Feb 20, 2025
Filed Feb 22, 2025, 01:14 AM · 2d delay
Shares
40.5k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
40.5k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Derivative Transaction Direct Ownership Large Holdings Increase
-6score
Filing-only score

-6

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

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  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, 2026, subject to the reporting person…

  2. through each such vesting date.

Original filing · 0001230724-25-000003
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