Liu Curtis - 15 Aug 2025 Form 4 Insider Report for Amplitude, Inc. (AMPL)

Role
Chief Technology Officer, Director, 10%+ Owner
Signature
/s/ Elizabeth Fisher, as attorney in fact for Liu Curtis
Issuer symbol
AMPL
Transactions as of
15 Aug 2025
Transactions value $
-$393,432
Form type
4
Filing time
19 Aug 2025, 17:44:28 UTC
Previous filing
19 May 2025
Next filing
18 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Liu Curtis Chief Technology Officer, Director, 10%+ Owner C/O AMPLITUDE, INC., 201 THIRD ST., SUITE 200, SAN FRANCISCO /s/ Elizabeth Fisher, as attorney in fact for Liu Curtis 19 Aug 2025 0001883022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMPL Class A Common Stock Tax liability -$393K -34.3K -4.15% $11.47 793K 15 Aug 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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, 2025, from the vesting of restricted stock units ("RSUs"), and does not represent a sale by the reporting person.
F2 Includes 710,732 RSUs.