Amplitude, INC Form 4 insider transactions

Amplitude Inc. CTO Curtis Liu reported a transaction involving a gift of Class B Common Stock to his spouse, with details on conversion rights and beneficial ownership.

Amplitude, Inc. Director Tien Tzuo reported a transaction involving the acquisition of restricted stock units.

Erica Schultz, a Director at Amplitude, Inc., reported transactions involving restricted stock units.

Amplitude, Inc. CTO Curtis Liu filed an amendment to correct a broker administrative error regarding the number of shares sold under a 10b5-1 trading plan.

Amplitude, Inc. Director Catherine Wong reported a sale of 7,453 shares of Class A Common Stock on June 12, 2026, to cover tax obligations related to vested restricted stock units under a 10b5-1 trading plan.

Director James M. Whitehurst was granted 24,857 restricted stock units as part of Amplitude, Inc.'s non-employee director compensation program.

Director Catherine Wong was granted 24,857 restricted stock units as part of Amplitude, Inc.'s non-employee director compensation program.

Amplitude, Inc. director Ronald Gill was granted 24,857 restricted stock units as part of the company's non-employee director compensation program.

Director Erica Schultz was granted 24,857 restricted stock units as part of the Amplitude, Inc. non-employee director compensation program.

Amplitude, Inc. director Patrick W. Grady reported the acquisition of 24,857 restricted stock units (RSUs) on June 9, 2026, as part of the company's Non-Employee Director Compensation Program.

Amplitude, Inc. CTO Curtis Liu reported the sale of 22,201 shares of Class A Common Stock for approximately $177,700 under a pre-arranged 10b5-1 trading plan.

Curtis Liu, a Director, 10% Owner, and Chief Technology Officer of Amplitude, Inc., has reported a transaction involving the withholding of shares for tax purposes.

Nathaniel Glenn Crook, Chief Commercial Officer of Amplitude, Inc., reported a transaction involving Class A Common Stock on May 15, 2026.

Amplitude, Inc. CFO Andrew Casey reported transactions involving Class A Common Stock, including shares withheld for tax obligations and shares acquired through an employee stock purchase plan.

Amplitude CEO Spenser Skates reported a transaction involving Class A Common Stock to cover tax obligations related to vested restricted stock units.

Amplitude, Inc. Chief Technology Officer Curtis Liu sold 17,586 shares of Class A Common Stock at a weighted average price of $8.1245.

Amplitude, Inc. CEO Spenser Skates was granted 1,323,119 restricted stock units vesting over three years.

Amplitude, Inc. Chief Technology Officer Curtis Liu was granted 417,827 restricted stock units vesting over three years.

Amplitude, Inc. Chief Commercial Officer Nathaniel Glenn Crook was granted 1,253,481 restricted stock units on April 15, 2026.

Amplitude, Inc. CFO Andrew Casey was granted 431,754 restricted stock units vesting over three years.

Erica Schultz, a Director at Amplitude, Inc., has reported the acquisition of 1,678 restricted stock units.

Amplitude, Inc. Director Tzuo Tien reported a transaction involving restricted stock units.

Amplitude, Inc. Director Tien Tzuo reported the acquisition of 999 restricted stock units as part of the company's non-employee director compensation program.

Amplitude, Inc. CEO Spenser Skates' spouse sold 100 shares of Class A Common Stock for $12.00 per share, following a conversion from Class B shares, under a pre-arranged 10b5-1 trading plan.

Spenser Skates' spouse sold 42,743 shares of Amplitude Class A Common Stock for a weighted average price of $12.0121 per share, following a conversion from Class B shares.

Amplitude, Inc. Director Erica Schultz exercised stock options and sold 10,000 Class A Common Stock shares on December 15, 2025, under a pre-arranged trading plan.

Amplitude Director Erica Schultz exercised stock options and subsequently sold an equal number of Class A Common Stock shares under a pre-arranged 10b5-1 trading plan.

Amplitude, Inc.'s Chief Technology Officer, Curtis Liu, reported a tax withholding transaction of 36,092 Class A Common Stock shares related to RSU vesting on November 15, 2025.

Amplitude's Chief Financial Officer, Andrew Casey, had 54,400 shares withheld for tax obligations related to restricted stock unit vesting.

Amplitude President Thomas Hansen reported the withholding of 91,618 Class A Common Stock shares to cover tax obligations related to RSU vesting.