[SCHEDULE 13G/A] Amplitude, Inc. Amended Passive Investment Disclosure

Rhea-AI Filing Summary

T. Rowe Price Investment Management, Inc. filed an amended Schedule 13G reporting a very small position in Amplitude Inc. Class A common stock as of December 31, 2025. The firm reports beneficial ownership of 441 shares, representing 0.0% of the class, with sole voting and dispositive power over those shares.

The filer states it owns 5 percent or less of the class and that the securities were acquired and are held in the ordinary course of business, not for the purpose of changing or influencing control of Amplitude. It also expressly denies being the beneficial owner of the securities referenced.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 4)

AMPLITUDE INC-CLASS A

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

03213A104

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 03213A104

1

Names of Reporting Persons

T. Rowe Price Investment Management, Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

MARYLAND

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 441.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 441.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

441.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.0 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: AMPLITUDE INC-CLASS A
(b)	Address of issuer's principal executive offices: 201 THIRD STREET, SUITE 200, SAN FRANCISCO, CA, 94103
Item 2.
(a)	Name of person filing: T. Rowe Price Investment Management, Inc.
(b)	Address or principal business office or, if none, residence: 1307 Point Street, Baltimore, MD 21231
(c)	Citizenship: Maryland
(d)	Title of class of securities: COMMON STOCK
(e)	CUSIP No.: 03213A104
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 441
(b)	Percent of class: 0.0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 441
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 441
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. T. Rowe Price Investment Management, Inc. hereby declares and affirms that the filing of Schedule 13G shall not be construed as an admission that Price Investment Management is the beneficial owner of the securities referred to, which beneficial ownership is expressly denied.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

T. Rowe Price Investment Management, Inc.

Signature:	Ellen York
Name/Title:	Vice President
Date:	02/17/2026

FAQ

What stake in Amplitude (AMPL) does T. Rowe Price report in this filing?

T. Rowe Price Investment Management, Inc. reports beneficial ownership of 441 shares of Amplitude Inc. Class A common stock, representing 0.0% of the class. The firm holds sole voting and dispositive power over these shares, indicating only a minimal position.

Why did T. Rowe Price file this Schedule 13G/A for Amplitude (AMPL)?

T. Rowe Price filed this amended Schedule 13G to report its beneficial ownership in Amplitude Inc. Class A common stock as of December 31, 2025. The filing is a regulatory disclosure of holdings and confirms that ownership is below 5 percent of the class.

Does T. Rowe Price seek to influence control of Amplitude (AMPL)?

No. T. Rowe Price states the Amplitude securities were acquired and are held in the ordinary course of business and not for the purpose, or with the effect, of changing or influencing control of the issuer, consistent with passive investment intent language.

How much voting power does T. Rowe Price have over its Amplitude (AMPL) shares?

The firm reports sole power to vote or direct the vote of 441 shares of Amplitude Inc. Class A common stock and no shared voting power. It also has sole dispositive power over the same number of shares, indicating exclusive control over this small position.

What ownership threshold does T. Rowe Price disclose for Amplitude (AMPL)?

The filer confirms ownership of 5 percent or less of Amplitude’s Class A common stock. The reported 0.0% of the class reflects that its 441 shares are immaterial relative to total outstanding shares, but still subject to disclosure requirements.

Does T. Rowe Price claim beneficial ownership of the Amplitude (AMPL) shares?

T. Rowe Price Investment Management, Inc. expressly states that the filing should not be construed as an admission that it is the beneficial owner of the Amplitude securities referenced, and it denies beneficial ownership of those shares in the certification language.