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CRBU

Caribou Biosciences (CRBU) stock: insider trades, news & valuation

Heavy selling
Close · Oct 9, 2026 $0.46 -4.4% on the day -83.3% over 12 months 52-week range $0.46 – $2.84

Share price and insider trades

CRBU closeInsider buyInsider sale
0123NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $12,020 on 2026-02-25 · Timothy P KellySold $35,454 on 2026-02-24 · Barbara G Mcclung, Ruhi Ahmad Khan, Timothy P Kelly, Tina M. Albertson
Bought, 12 months$0
Sold, 12 months$47K
Insiders buying0
Insiders selling4

Caribou Biosciences insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 4 sold $47K of CRBU stock on the open market.

CRBU insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q1 2026: $47K sold (5 trades)Q1 2026Q2 2026Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0—0
Q2 2026—0—0
Q1 2026—0$47K5

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day13.6×Last 5 sessions
Insiders' paper profit—On all tracked purchases —

Summary

Over the past 12 months, 0 Caribou Biosciences, Inc. insiders reported open-market purchases totaling $0, while 4 insiders reported sales totaling $47K. 3 of 5 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Feb 27SEC Timothy P KellyCTO Sell 6,22873,125 held (−8%) $1.93 $12K -76.2% —
Feb 24SEC Barbara G McclungGeneral Counsel Sell Plan 6,938481,564 held (−1%) $1.96 $14K -76.5% —
Feb 24SEC Ruhi Ahmad KhanChief Business Officer Sell Plan 6,938104,998 held (−6%) $1.96 $14K -76.5% —
Feb 24SEC Timothy P KellyCTO Sell 3,14779,353 held (−4%) $1.96 $6K -76.5% —
Feb 24SEC Tina M. AlbertsonChief Medical Officer Sell Plan 1,06668,523 held (−2%) $1.96 $2K -76.5% —

Insiders at Caribou Biosciences, Inc.

InsiderBoughtSoldLast filingScore
Timothy P KellyCTO — $18K Feb 27, 2026 —
Barbara G McclungGeneral Counsel — $14K Feb 24, 2026 —
Ruhi Ahmad KhanChief Business Officer — $14K Feb 24, 2026 —
Tina M. AlbertsonChief Medical Officer — $2K Feb 24, 2026 —

CRBU stock: common questions

Are Caribou Biosciences, Inc. insiders buying CRBU stock?

In the past 12 months, 0 insiders reported open-market purchases of CRBU worth $0.

Are Caribou Biosciences, Inc. insiders selling CRBU stock?

4 insiders reported sales worth $47K over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is CRBU's 52-week range?

Over the past year CRBU has traded between $0.46 and $2.84. It last closed at $0.46 on Oct 9, 2026.