ALBERTSON TINA M. (Chief Medical Officer) sold 1.5% of their position (1.07K shares) of CARIBOU BIOSCIENCES, INC. on the open market
Open‑market sale worth $2.1K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 2/24/2026ACC: 0001917391-26-000002
Officer· Chief Medical Officer
Since Feb 2026
+301.43K
Net shares
Net buyer
$2.1K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
302.50K acquired · 1.07K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+55K
Price / share
—
Trade value
—
% of position
377.0%
2/20/2026
14.59K→69.59K
Common Stock
Direct
Shares
−1.07K
Price / share
$1.96
Trade value
$2.09K
% of position
1.5%
2/24/2026
69.59K→68.52K
Total
Net shares
+53.93K
Net value
-$2.09K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 2/20/2026 | A · Award | +55K | — | — | 377.0% | 14.59K | 69.59K |
| Common Stock Direct | 2/24/2026 | S · Sale | −1.07K | $1.96 | $2.09K | 1.5% | 69.59K | 68.52K |
| Total | +53.93K | -$2.09K | ||||||
Derivative Transactions1
Option to purchase Common Stock
Direct
Converts to
Common Stock
247.50K shares
Shares
+247.50K
Strike price
1.80
Held after
247.50K
Exercisable
—
2/20/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Option to purchase Common Stock Direct | Common Stock247.50K shares | 2/20/2026 | A · Award | +247.50K | 1.80 | — | 247.50K |