Amplitude director granted 1,521 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 received an award of 1,521 shares of Class A Common Stock in the form of restricted stock units granted under the company’s Non-Employee Director Compensation Program in lieu of cash retainer fees. The RSUs carry no purchase price and each unit represents one share, with issuance of the underlying shares deferred under the program’s terms. Following this grant, Tzuo Tien directly holds 101,601 shares of Class A Common Stock, including 50,789 RSUs.

Insider Trade Summary

Grant/Award: 1,521 shares

Grant/Award 1 txn

Insider Tzuo Tien

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	1,521	$0.00	$0.00

Holdings After Transaction: Class A Common Stock — 101,601 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 50,789 RSUs.

Key Figures

RSUs granted: 1,521 shares Grant price: $0.00 per share Total shares after transaction: 101,601 shares +1 more

4 metrics

RSUs granted 1,521 shares Restricted stock units granted to director on 2026-07-05

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

Total shares after transaction 101,601 shares Director’s direct holdings following RSU grant

RSUs included in holdings 50,789 RSUs Portion of director’s total direct holdings

Key Terms

restricted stock units ("RSUs"), Non-Employee Director Compensation Program, retainer fees, Class A Common Stock

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

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

Class A Common Stock financial

"Each RSU represents a right to receive one share of Class A Common Stock"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

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?

Amplitude director Tzuo Tien reported receiving 1,521 restricted stock units of Class A Common Stock. The award was granted under Amplitude’s Non-Employee Director Compensation Program instead of cash retainer fees, increasing his direct holdings to 101,601 shares including RSUs.

How many Amplitude (AMPL) shares did Tzuo Tien acquire in this grant?

Tzuo Tien acquired 1,521 restricted stock units of Amplitude Class A Common Stock. These units were granted as compensation, not purchased in the market, and carry a grant price of $0.00 per share under the company’s director compensation program.

What is the nature of the RSUs granted to Amplitude (AMPL) director Tzuo Tien?

The RSUs granted to Tzuo Tien represent rights to receive 1,521 shares of Class A Common Stock. They were issued under Amplitude’s Non-Employee Director Compensation Program in lieu of cash fees, with actual share issuance deferred according to the program’s terms.

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

After the RSU grant, Tzuo Tien directly holds 101,601 shares of Amplitude Class A Common Stock. This total includes 50,789 restricted stock units, which each represent a right to receive one share upon settlement under the company’s compensation program.

Did Amplitude (AMPL) director Tzuo Tien pay cash for the 1,521 RSUs?

No, Tzuo Tien did not pay cash for the 1,521 RSUs; the grant price is reported as $0.00 per share. The units were awarded as part of his non-employee director compensation, replacing cash retainer fees under Amplitude’s established program.

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

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Accepted by SEC EDGAR 07/07/2026 - 06:19 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)
07/05/2026

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	07/05/2026		A		1,521(1)	A	$0.00	101,601(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 50,789 RSUs.

Remarks:

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