Casey Andrew 4

What Happened Casey Andrew, Chief Financial Officer of Amplitude, had 64,872 shares of the company's Class A common stock withheld on May 15, 2026 to satisfy tax withholding obligations tied to RSU vesting. The withholding price was $6.06 per share, for a notional value of about $393,124. This was a tax-withholding/net issuance event (code F) and not an open-market sale by the reporting person.

Key Details

• Transaction date and price: 2026-05-15; 64,872 shares withheld at $6.06 per share (≈ $393,124).
• Transaction type: F — shares withheld to satisfy tax withholding on RSU vesting (not a sale).
• Shares owned after transaction: not specified in the filing.
• Footnotes of note:
  • F1: Withholding represents shares retained by the issuer solely to satisfy tax obligations for RSU vesting and does not represent a sale by the reporting person.
  • F2: Filing notes the reporting person holds or is associated with 958,054 RSUs.
  • F3: Filing also includes 2,500 shares acquired under the issuer's employee stock purchase plan on 2026-05-14.
• Filing timeliness: The Form 4 was filed on 2026-05-19 for a 2026-05-15 transaction; this filing date is within the usual two-business-day window and is timely.

Context This was a routine tax-withholding/net issuance related to RSU vesting (a common administrative event) rather than a discretionary sale or purchase. For retail investors, such withholdings reduce the number of newly issued shares delivered to the insider but do not necessarily signal a change in the insider’s view of the company.