Amplitude director granted 1,538 RSUs

Tzuo Tien reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Tzuo Tien reported acquisition or exercise transactions in this Form 4 filing.

Amplitude, Inc. director Tzuo Tien reported an equity compensation grant of 1,538 shares of Class A Common Stock in the form of restricted stock units. The RSUs were granted under the company’s Non-Employee Director Compensation Program in lieu of cash retainer fees and carry no purchase price.

Each RSU represents one share of Class A Common Stock, with issuance of the underlying shares deferred under the program’s terms. Following this award, Tzuo Tien directly holds 100,080 Class A shares, including 49,268 RSUs.

Insider Trade Summary

Grant/Award: 1,538 shares

Grant/Award 1 txn

Insider Tzuo Tien

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	1,538	$0.00	$0.00

Holdings After Transaction: Class A Common Stock — 100,080 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 49,268 RSUs.

Key Figures

RSUs granted: 1,538 shares Grant price: $0.00 per share Total shares after grant: 100,080 shares +1 more

4 metrics

RSUs granted 1,538 shares Restricted stock units granted to director Tzuo Tien

Grant price $0.00 per share RSU grant under Non-Employee Director Compensation Program

Total shares after grant 100,080 shares Class A Common Stock directly held after the transaction

RSUs included in holdings 49,268 RSUs Portion of Tzuo Tien’s reported Class A position

Key Terms

restricted stock units ("RSUs"), Non-Employee Director Compensation Program, retainer fees, deferred

4 terms

restricted stock units ("RSUs") financial

"Represents restricted stock units ("RSUs") that were granted pursuant to the Issuer's Non-Employee Director Compensation Program"

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

Non-Employee Director Compensation Program financial

"were granted pursuant to the Issuer's Non-Employee Director Compensation Program (the"Program") in lieu of retainer fees"

retainer fees financial

"granted pursuant to the Issuer's Non-Employee Director Compensation Program (the"Program") in lieu of retainer fees"

deferred financial

"Issuance of the RSU shares has been deferred pursuant to the terms of the Program"

FAQ

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

What did Amplitude (AMPL) director Tzuo Tien report in this Form 4 filing?

Amplitude director Tzuo Tien reported receiving 1,538 restricted stock units of Class A Common Stock. These RSUs were granted as part of Amplitude’s Non-Employee Director Compensation Program, in lieu of cash retainer fees, and represent deferred stock-based compensation.

How many Amplitude (AMPL) shares does Tzuo Tien hold after this RSU grant?

After the grant, Tzuo Tien directly holds 100,080 shares of Amplitude Class A Common Stock. This total includes 49,268 restricted stock units (RSUs), meaning a substantial portion of his reported holdings consists of deferred stock-based awards rather than currently issued shares.

What are the key details of the 1,538 RSUs granted to Amplitude director Tzuo Tien?

The filing shows 1,538 RSUs of Class A Common Stock granted at $0.00 per unit. Each RSU represents a right to receive one share, with issuance of the shares deferred under the Non-Employee Director Compensation Program instead of paying cash director retainers.

Are the 1,538 Amplitude (AMPL) RSUs to Tzuo Tien part of a director compensation plan?

Yes. The 1,538 RSUs were granted under Amplitude’s Non-Employee Director Compensation Program. The RSUs are issued in lieu of retainer fees, so they function as stock-based compensation for board service, with delivery of the underlying shares deferred by the program.

Does Tzuo Tien pay anything for the 1,538 Amplitude RSUs reported in the Form 4?

No. The RSU grant is reported at a price of $0.00 per share, reflecting a compensation award rather than a market purchase. The RSUs give a right to receive Class A Common Stock in the future under Amplitude’s established director compensation program.

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

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Accepted by SEC EDGAR 04/07/2026 - 05:30 PM EDT 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 ST., 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)
04/05/2026

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	04/05/2026		A		1,538(1)	A	$0.00	100,080(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 49,268 RSUs.

Remarks:

	/s/ Elizabeth Fisher, as attorney in fact for Tzuo Tien	04/07/2026
	** 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)