| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Casey Andrew | Chief Financial Officer | C/O AMPLITUDE, INC., 201 3RD STREET, SUITE 200, SAN FRANCISCO | /s/ Elizabeth Fisher, as attorney in fact for Andrew Casey | 12 Nov 2025 | 0002032390 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMPL | Class A Common Stock | Purchase | $300K | +30K | +2.65% | $9.99 | 1.16M | 07 Nov 2025 | Direct | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | This transaction was executed in multiple trades at prices ranging from $9.90 to $10.07, inclusive. The price reported in Column 4 above reflects the weighted average price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares purchased at each respective price within the range set forth in this footnote. |
| F2 | Includes 883,657 RSUs. |
| F3 | Includes 2,500 shares acquired under the Issuer's employee stock purchase plan on May 14, 2025. |