Form 4 for CRBU Caribou Biosciences, Inc.
Accepted 2022-03-07 00:00:00 ET · period of report 2022-03-04 · accession 0001209191-22-016872 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2022-03-07 | 2022-03-04 | CRBU | Kanner Steven | CSO | M - OptEx | $2.90 | +10.7K | 227.6K | +5% | +$31.0K |
| DM | 2022-03-07 | 2022-03-04 | CRBU | Kanner Steven | CSO | M - OptEx | $0.00 | -10.7K | 230.4K | -4% | $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 | 2022-03-04 | M | A | 9,171 | $2.69 | 226,090 | D | — | — | (F1) Due to a rounding error, the exercise price for this stock option was inadvertently originally reported as $2.68 per share on the reporting person's Form 3 filed on July 22, 2021. (F2) Includes 1,888 shares purchased pursuant to the Issuer's 2021 Employee Stock Purchase Plan on February 15, 2022 for $9.85 per share. |
| 2 | Common | Common Stock | 2022-03-04 | M | A | 1,549 | $4.11 | 227,639 | D | — | — | |
| 3 | Derivative | Option to purchase Common Stock | 2022-03-04 | M | D | 9,171 | $0.00 | 122,963 | D | $2.69 · — to 2029-09-30 | 9,171 Common Stock | (F1) Due to a rounding error, the exercise price for this stock option was inadvertently originally reported as $2.68 per share on the reporting person's Form 3 filed on July 22, 2021. (F3) 1/4th of the shares subject to this option vested on October 1, 2020 and an additional 1/48th of the aggregate number of shares subject to the option have vested or will vest on the corresponding day of each month thereafter until the option is fully vested, subject to the reporting person's continued service to the Issuer through the applicable vesting dates. |
| 4 | Derivative | Option to purchase Common Stock | 2022-03-04 | M | D | 1,549 | $0.00 | 230,365 | D | $4.11 · — to 2031-03-29 | 1,549 Common Stock | (F4) 1/4th of the shares subject to this option vested on March 2, 2022 and an additional 1/48th of the aggregate number of shares subject to the option will vest on the corresponding day of each month thereafter until the option is fully vested, subject to the reporting person's continued service to the Issuer through the applicable vesting dates. |