Crook Nathaniel Glenn sold AMPL

August 17, 2026 · Form 4 insider transaction

Crook Nathaniel Glenn sold 109,368 shares of Amplitude, Inc. at $13.03 per share, a transaction worth $1.43M. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Disposed (sell-side)
Shares
109,368
Price
$13.03
Total value
$1.43M
RoleOfficer
SecurityClass A Common Stock
Transaction codeF: Shares withheld for taxes
Transaction dateAugust 17, 2026
Filing dateAugust 18, 2026
Shares owned after1,922,696
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

Represents shares of the Issuer's Class A Common Stock withheld by the Issuer solely to satisfy tax withholding obligations in connection with the net issuance of shares of the Issuer's Class A Common Stock delivered to the reporting person on August 15, 2026, from the vesting of restricted stock units ("RSUs"), and does not represent a sale by the Reporting Person.; Includes 1,241,362 RSUs.

View the original Form 4 on SEC EDGAR