SEC Form 4 · accession 0001883022-26-000016
Amplitude, Inc. · AMPL
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Curtis Liu
Officer — Chief Technology Officer · Director · 10% Owner
Period of report
Jul 8, 2026
Accepted (ET)
Jul 10, 2026 · 4:13 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001866692
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Class B Common StockF3,F1 | — | Jul 8, 2026 | G | 175,000 | D | — | — | Class A Common Stock | 175,000 | 7,207,208 | I |
| Class B Common StockF1 | — | Jul 8, 2026 | G | 175,000 | A | — | — | Class A Common Stock | 175,000 | 175,000 | I |
Explanation of responses
- F1The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will convert automatically into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the death or incapacity of the reporting person, (c) the date that is six months following the date on which the reporting person is no longer an employee or director of the Issuer (unless such reporting person has rejoined the Issuer during such six-month period) or (d) the date that is six months following the date on which none of the Issuer's founders is an employee or director of the Issuer (unless a founder has rejoined the Issuer during such six-month period).
- F2This transaction involved a gift of securities by the trust to the reporting person's spouse. This is not a market transaction, thus no price has been reported. No value was received for the gifted shares.
- F3Securities held by a trust over which the reporting person exercises voting and dispositive control.