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Caribou Biosciences, Inc.

CRBU Net selling

CIK 0001619856 #4029 in the set updated 17 Sep 2026

Bought (12 mo)

$0.00

out of their own pocket, the only kind of buying there is

Sold (12 mo)

$47.47K

$2.09K on a plan · $0.00 straight out of an exercise

Sold at will

$45.39K

4 of 5 sales

Net

−$47.47K

−$45.39K against sales at will

By person

8 insiders · 5 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Kelly Timothy P

Chief Technology Officer

—

$18.19K (2)

−$18.19K

73,125

0.0682%

$141.13K

—

Khan Ruhi Ahmad

Chief Business Officer

—

$13.60K (1)

−$13.60K

104,998

0.0979%

$202.65K

+218.2%

MCCLUNG BARBARA G

Chief Legal Officer

—

$13.60K (1)

−$13.60K

481,564

0.4492%

$929.42K

+17.6%

Albertson Tina M.

Chief Medical Officer

—

$2.09K (1) scheduled

−$2.09K

68,523

0.0639%

$132.25K

—

Haurwitz Rachel E.

President and CEO

—

3,816,545

3.56%

$7.37M

+8.8%

Kanner Steven

Chief Scientific Officer

—

431,556

0.4025%

$832.90K

+8.5%

Fischesser Ryan

VP of Finance and Controller

—

118,854

0.1109%

$229.39K

+26.6%

Ryali Sriram

Chief Financial Officer

—

72,360

0.0675%

$139.65K

—

Individual transactions

Insider

Date

Role

Action

Price

Amount

Kelly Timothy P

25 Feb 2026

Chief Technology Officer

Sell

6,228

$1.93

$12.02K

Khan Ruhi Ahmad

24 Feb 2026

Chief Business Officer

Sell

6,938

$1.96

$13.60K

MCCLUNG BARBARA G

24 Feb 2026

Chief Legal Officer

Sell

6,938

$1.96

$13.60K

Kelly Timothy P

24 Feb 2026

Chief Technology Officer

Sell

3,147

$1.96

$6.17K

Show all 5 transactions →

What was left out

Form 4 filings counted 14

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 1

Sales straight out of an exercise 0

Sales at will 4

Transactions with no price 0

Shares from compensation/vesting 396,700

History held since 13 Sep 2017