Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Sep 30, 2026
Reporting period
Not applicable
Filed with the SEC
Oct 3, 2026
CEOIndirect holdingOption exercise
Context
Classification
option exercise
Code C — exercise or conversion of a derivative security
Planned / mechanical clue
None found in footnotes
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001610717-26-000424
Filed / recorded
Oct 3, 2026, 2:44 AM UTC
Added to OQRO
Oct 7, 2026, 2:00 PM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
Amplitude, Inc.
Issuer CIK
1866692
Ticker
AMPL
Reporting person
Spenser Skates
Relationship
Director, Officer, 10% owner
Officer title
CEO and President
Security
Class B Common Stock
Table
Derivative (Table II)
Transaction date
Sep 30, 2026
Transaction code
C
Shares / units
1,374
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
380,783
Ownership form
Indirect — By Spouse
Amendment
No
Footnotes from the filing
The 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 Mr. Skates, (c) the date that is six months following the date on which Mr. Skates is no longer an employee or director of the Issuer (unless Mr. Skates 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).