Director Tien Tzuo awarded 999 RSUs under Amplitude (AMPL) plan

Rhea-AI Filing Summary

Amplitude, Inc. director Tien Tzuo reported an equity grant under the company’s non-employee director compensation program. On January 5, 2026, he was awarded 999 restricted stock units (RSUs) of Class A Common Stock at a price of $0.00 per share, granted in lieu of board retainer fees. Each RSU represents the right to receive one share of Class A Common Stock, and issuance of the shares has been deferred under the program’s terms.

Following this grant, Tzuo beneficially owns 98,542 shares of Class A Common Stock, which includes 47,730 RSUs, all reported as directly owned.

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

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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 CA 94103

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
01/05/2026

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

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

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

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	01/05/2026		A		999(1)	A	$0.00	98,542(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 47,730 RSUs.

Remarks:

	/s/ Elizabeth Fisher, as attorney in fact for Tien Tzuo	01/07/2026
	** 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.

FAQ

What insider transaction did Amplitude (AMPL) report for Tien Tzuo?

Amplitude director Tien Tzuo reported the grant of 999 restricted stock units (RSUs) of Class A Common Stock on January 5, 2026, at a price of $0.00 per share.

Why did Amplitude grant 999 RSUs to director Tien Tzuo?

The 999 RSUs were granted pursuant to Amplitude’s Non-Employee Director Compensation Program in lieu of cash retainer fees for board service.

How do the RSUs granted to Amplitude director Tien Tzuo settle?

Each RSU represents a right to receive one share of Class A Common Stock, and issuance of the RSU shares has been deferred according to the terms of the director compensation program.

How many Amplitude Class A shares does Tien Tzuo beneficially own after this Form 4?

After the reported grant, Tien Tzuo beneficially owns 98,542 shares of Class A Common Stock, which includes 47,730 RSUs.

Is Tien Tzuo’s Amplitude ownership reported as direct or indirect?

The Form 4 reports direct ownership (D) of the 98,542 Class A Common Stock shares, including the RSUs.

What role does Tien Tzuo hold at Amplitude (AMPL)?

In this filing, Tien Tzuo is identified as a director of Amplitude, Inc. and not as an officer or 10% owner.