Erica Schultz - 15 Dec 2025 Form 4 Insider Report for Amplitude, Inc. (AMPL)

Reporting relationship: Director
Issuer ticker: AMPL
Reported as of: 15 Dec 2025
Net transaction value: -$108,758
SEC form: 4
Accepted by SEC: 17 Dec 2025, 17:29:04 UTC
Prior SEC filing: 19 Nov 2025
Next SEC filing: 07 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Elizabeth Fisher, as attorney in fact for Schultz Erica

Key filing fact

Erica Schultz filed Form 4 for Amplitude, Inc. (AMPL) on 17 Dec 2025.

Key facts

This page summarizes Erica Schultz's Form 4 filing for Amplitude, Inc. (AMPL).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 17 Dec 2025, 17:29.

Change

Previous filing in this sequence was filed on 19 Nov 2025.
Current net transaction value: -$108,758.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001542687 Primary reporting owner

Schultz Erica

Relationship: Director
Address: C/O AMPLITUDE, INC., 201 THIRD ST., SUITE 200, SAN FRANCISCO
Signature: /s/ Elizabeth Fisher, as attorney in fact for Schultz Erica
Signature date: 17 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AMPL transaction

Class A Common Stock

Options Exercise

Transaction value: $41,900
Shares: +10,000
Change %: +8.7%
Price: $4.19
Shares after: 124,906
Date: 15 Dec 2025
Ownership: Direct

AMPL transaction

Class A Common Stock

Sale

Transaction value: $108,758
Shares: -10,000
Change %: -8%
Price: $10.88
Shares after: 114,906
Date: 15 Dec 2025
Ownership: Direct
Footnotes: F1, F2, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AMPL transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value: $41,900
Shares: -10,000
Change %: -17%
Price: $4.19
Shares after: 49,500
Date: 15 Dec 2025
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 10,000
Exercise price: $4.19
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 4 footnotes

Footnote F1

The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the reporting person on March 12, 2025.

Footnote F2

This transaction was executed in multiple trades at prices ranging from $10.7200 to $11.1900. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F3

Includes 14,906 RSUs.

Footnote F4

The option is early exercisable. 1/48th of the shares subject to the option vest on each monthly anniversary measured from December 10, 2020 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested on the fourth anniversary of the Vesting Commencement Date.