InsiderTrades

Form 4 for CRBU Caribou Biosciences, Inc.

Accepted 2021-12-08 00:00:00 ET · period of report 2021-12-07 · accession 0001209191-21-068582 · 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 2021-12-08 2021-12-07 CRBU MCCLUNG BARBARA G CLO P - Purchase $2.69 +6,127 349.0K +2% +$16.5K
DM 2021-12-08 2021-12-07 CRBU MCCLUNG BARBARA G CLO X - OptEx $0.00 -6,127 74.8K -8% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2021-12-07 P A 12 $2.69 342,856 D — — (F2) The exercise price for this stock option was incorrectly reported as $2.68 per share on the reporting person's Form 3 filed on July 22, 2021.
2 Common Common Stock 2021-12-07 P A 6,115 $2.69 348,971 D — — (F2) The exercise price for this stock option was incorrectly reported as $2.68 per share on the reporting person's Form 3 filed on July 22, 2021.
3 Derivative Option to purchase Common Stock 2021-12-07 X D 12 $0.00 77 D $2.69 · — to 2028-06-11 12 Common Stock (F2) The exercise price for this stock option was incorrectly reported as $2.68 per share on the reporting person's Form 3 filed on July 22, 2021. (F3) The shares subject to this option have vested or will vest in equal monthly installments until the option is fully vested on June 12, 2022, subject to the reporting person's continued service to the Issuer through the applicable vesting dates.
4 Derivative Option to purchase Common Stock 2021-12-07 X D 6,115 $0.00 74,836 D $2.69 · — to 2029-09-30 6,115 Common Stock (F2) The exercise price for this stock option was incorrectly reported as $2.68 per share on the reporting person's Form 3 filed on July 22, 2021. (F4) The shares subject to this option have vested or will vest in equal monthly installments until the option is fully vested on October 1, 2023, subject to the reporting person's continued service to the Issuer through the applicable vesting dates.