Form 4 for CRBU Caribou Biosciences, Inc.
Accepted 2023-03-22 00:00:00 ET · period of report 2023-03-20 · accession 0001619856-23-000039 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2023-03-22 | 2023-03-20 | CRBU | Haurwitz Rachel E. | Pres, CEO, Dir | M - OptEx | $2.96 | +10.0K | 30.0K | +50% | +$29.6K |
| D | 2023-03-22 | 2023-03-20 | CRBU | Haurwitz Rachel E. | Pres, CEO, Dir | M - OptEx | $0.00 | -10.0K | 106.3K | -9% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2023-03-20 | M | A | 10,000 | $2.96 | 30,000 | D | — | — | |
| 2 | Derivative | Option to purchase Common Stock | 2023-03-20 | M | D | 10,000 | $0.00 | 106,350 | D | $2.96 · — to 2023-06-11 | 10,000 Common Stock | (F2) 1/4th of the shares subject to this option vested on June 12, 2019 and an additional 1/48th of the aggregate number of shares subject to the option vested on the corresponding day of each month thereafter until the option became fully vested on June 12, 2022. |