What Caribou Biosciences, Inc.'s executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.
| 3 months | 12 months | |
|---|---|---|
| Open-market buys | 0 | 0 |
| Sells | 0 | 5 |
| Total trades | 0 | 11 |
| 3 months | 12 months | |
|---|---|---|
| Acquired | 0 | 396,700 |
| Disposed | 0 | 24,317 |
| Net activity | +0 | +372,383 |
View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.
| Insider | Relation | Date | Transaction | Shares | Price | Value | Shares held |
|---|---|---|---|---|---|---|---|
| Kelly Timothy P | Chief Technology Officer | Feb 25 | Open-market sale · S | −6,228 | $1.93 | −$12K | 73,125 |
| Khan Ruhi Ahmad | Chief Business Officer | Feb 24 | Sale for tax withholding · S | −6,938 | $1.96 | −$13.6K | 104,998 |
| Kelly Timothy P | Chief Technology Officer | Feb 24 | Sale for tax withholding · S | −3,147 | $1.96 | −$6.17K | 79,353 |
| Mcclung Barbara G | Chief Legal Officer | Feb 24 | Sale for tax withholding · S | −6,938 | $1.96 | −$13.6K | 481,564 |
| Albertson Tina M. | Chief Medical Officer | Feb 24 | Sale for tax withholding · S | −1,066 | $1.96 | −$2.09K | 68,523 |
| Ryali Sriram | Chief Financial Officer | Feb 20 | Grant / award · A | +55,000 | — | — | 72,360 |
| Khan Ruhi Ahmad | Chief Business Officer | Feb 20 | Grant / award · A | +45,000 | — | — | 111,936 |
| Kelly Timothy P | Chief Technology Officer | Feb 20 | Grant / award · A | +45,000 | — | — | 82,500 |
| Mcclung Barbara G | Chief Legal Officer | Feb 20 | Grant / award · A | +45,000 | — | — | 488,502 |
| Haurwitz Rachel E. | President and CEO | Feb 20 | Grant / award · A | +151,700 | — | — | 447,150 |
| Albertson Tina M. | Chief Medical Officer | Feb 20 | Grant / award · A | +55,000 | — | — | 69,589 |
| Haurwitz Rachel E. | President and CEO | Mar 14 | Open-market buy · P | +20,000 | $1.02 | +$20.4K | 3,369,395 |
| Kanner Steven | Chief Scientific Officer | Feb 21 | Sale for tax withholding · S | −3,564 | $1.35 | −$4.81K | 431,556 |
| Khan Ruhi Ahmad | Chief Business Officer | Feb 21 | Sale for tax withholding · S | −3,564 | $1.35 | −$4.81K | 66,936 |
| Mcclung Barbara G | Chief Legal Officer | Feb 21 | Sale for tax withholding · S | −3,564 | $1.35 | −$4.81K | 443,502 |
| Kanner Steven | Chief Scientific Officer | Feb 20 | Grant / award · A | +37,500 | — | — | 435,120 |
| Kelly Timothy P | Chief Technology Officer | Feb 20 | Grant / award · A | +37,500 | — | — | 37,500 |
| Khan Ruhi Ahmad | Chief Business Officer | Feb 20 | Grant / award · A | +37,500 | — | — | 70,500 |
| Mcclung Barbara G | Chief Legal Officer | Feb 20 | Grant / award · A | +37,500 | — | — | 447,066 |
| Haurwitz Rachel E. | President and CEO | Feb 20 | Grant / award · A | +136,750 | — | — | 295,450 |
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