Amplitude director Tien Tzuo receives 818-unit grant

The award was made in lieu of retainer fees, and issuance of the RSU shares was deferred under the compensation program.

Rhea-AI Filing Summary

Amplitude, Inc. director Tien Tzuo received a grant of 818 restricted stock units on October 5, 2026, under the Non-Employee Director Compensation Program in lieu of retainer fees. Each RSU represents a right to receive one share of Class A Common Stock, and issuance of the RSU shares was deferred under the Program. His reported direct position after the grant was 102,419 shares, including 51,607 RSUs.

Insider Trade Summary

Grant/Award: 818 shares

Grant/Award 1 txn

Insider Tzuo Tien

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock F1, F2	818	$0.00	$0.00

Holdings After Transaction: Class A Common Stock — 102,419 shares (Direct)

Footnotes (2)

1. F1. Represents restricted stock units ("RSUs") that were granted pursuant to the Issuer's Non-Employee Director Compensation Program (the"Program") in lieu of retainer fees. Each RSU represents a right to receive one share of Class A Common Stock. Issuance of the RSU shares has been deferred pursuant to the terms of the Program.
2. F2. Includes 51,607 RSUs.

Key Figures

RSUs granted: 818 RSUs Direct position after grant: 102,419 shares RSUs included in reported position: 51,607 RSUs +1 more

4 metrics

RSUs granted 818 RSUs October 5, 2026

Direct position after grant 102,419 shares Includes 51,607 RSUs

RSUs included in reported position 51,607 RSUs After the grant

Shares represented by each RSU 1 share Class A Common Stock

Key Terms

restricted stock units, Non-Employee Director Compensation Program, retainer fees

3 terms

restricted stock units financial

"Represents restricted stock units ("RSUs")"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Non-Employee Director Compensation Program financial

"pursuant to the Issuer's Non-Employee Director Compensation Program"

retainer fees financial

"in lieu of retainer fees"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many RSUs did Amplitude (AMPL) director Tien Tzuo receive?

Tien Tzuo received 818 RSUs on October 5, 2026, under the Non-Employee Director Compensation Program in lieu of retainer fees. Each RSU represents a right to receive one share of Class A Common Stock.

When will the Amplitude (AMPL) RSU shares be issued?

Issuance of the RSU shares was deferred pursuant to the terms of the Non-Employee Director Compensation Program.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 10/07/2026 - 04:28 PM Accepted by SEC EDGAR 10/07/2026 - 04:27 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Tzuo Tien

(Last) (First) (Middle)

C/O AMPLITUDE, INC.

201 THIRD STREET, SUITE 200

(Street)

SAN FRANCISCO CALIFORNIA 94103

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Amplitude, Inc. [ AMPL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	10/05/2026		A		818(1)	A	$0.00	102,419(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents restricted stock units ("RSUs") that were granted pursuant to the Issuer's Non-Employee Director Compensation Program (the"Program") in lieu of retainer fees. Each RSU represents a right to receive one share of Class A Common Stock. Issuance of the RSU shares has been deferred pursuant to the terms of the Program.

2. Includes 51,607 RSUs.

Remarks:

	/s/ Elizabeth Fisher, as attorney in fact for Tien Tzuo	10/07/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)