Liu Curtis - 15 Nov 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 Nov 2025
Transactions value $
-$387,267
Form type
4
Filing time
18 Nov 2025, 17:18:45 UTC
Previous filing
19 Aug 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 18 Nov 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 -$387K -36.1K -4.55% $10.73 757K 15 Nov 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 November 15, 2025, from the vesting of restricted stock units ("RSUs"), and does not represent a sale by the reporting person.
F2 Includes 639,658 RSUs.