# EDGAR Filing Document

**Accession Number:** 0001883022
**File Stem:** 0001562180-23-000989
**Filing Date:** 2023-2
**Character Count:** 7806
**Document Hash:** 7682b68c450c582de59743b4afffd043
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001562180-23-000989.hdr.sgml**: 20230203

**ACCESSION NUMBER**: 0001562180-23-000989

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230201

**FILED AS OF DATE**: 20230203

**DATE AS OF CHANGE**: 20230203

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Liu Curtis
- **CENTRAL INDEX KEY:** 0001883022

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40817
- **FILM NUMBER:** 23587830

**MAIL ADDRESS:**
- **STREET 1:** C/O AMPLITUDE, INC.
- **STREET 2:** 201 THIRD STREET, SUITE 200
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94103
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Amplitude, Inc.
- **CENTRAL INDEX KEY:** 0001866692
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-PREPACKAGED SOFTWARE [7372]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 201 THIRD STREET, SUITE 200
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94103
- **BUSINESS PHONE:** 510 473-5668

**MAIL ADDRESS:**
- **STREET 1:** 201 THIRD STREET, SUITE 200
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94103

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>Liu Curtis<br><sub>(Last) (First) (Middle)</sub><br>C/O AMPLITUDE, INC.<br>201 THIRD ST., SUITE 200<br><sub>(Street)</sub><br>SAN FRANCISCO, CA 94103<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-02-01 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chief Technology Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Amplitude, Inc. [ AMPL ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A Common Stock | 2023-02-01 |  | M |  | 23866.00 | A | $4.19 | 23866.00 | D |  |
| Class A Common Stock | 2023-02-01 |  | C<sup>(1)</sup> |  | 23866.00 | D | $0.00 | 0.00 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Stock Options (Right to buy) | $4.19 | 2023-02-01 |  | M |  |  | 23866.00 | <sup>(2)</sup> | 2030-12-28 | Class A Common Stock | 23866.00 | $0.00 | 36065.00 | D |  |
| Class B Common Stock | <sup>(3)</sup> | 2023-02-01 |  | C<sup>(1)</sup> |  | 23866.00 |  | <sup>(3)</sup> | <sup>(3)</sup> | Class A Common Stock | 23866.00 | $0.00 | 0.00<sup>(4)</sup> | D |  |
| Class B Common Stock | <sup>(3)</sup> |  |  |  |  |  |  | <sup>(3)</sup> | <sup>(3)</sup> | Class A Common Stock | 7358342.00 |  | 7358342.00<sup>(4)</sup> | I | By Trust<sup>(5)</sup> |

---

### Footnotes:

(1) Represents the conversion of Class A Common Stock into the Issuer's Class B Common Stock effected pursuant to an amendment to the Issuer's Amended and Restated 2014 Stock Option and Grant Plan, which gave holders a one-time right to exchange such shares of Class A Common Stock for an equal number of shares of Class B Common Stock.

(2) 1/48th of the shares subject to the option vest on each monthly anniversary measured from January 1, 2021 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.

(3) The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will convert automatically into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the death or incapacity of the holder, (c) the date that is six months following the date on which the holder is no longer an employee or director of the Issuer (unless such holder has rejoined the Issuer during such six-month period) or (d) the date that is six months following the date on which none of the Issuer's founders is an employee or director of the Issuer (unless a founder has rejoined the Issuer during such six-month period).

(4) Reflects the transfer of 23,866 shares by the Reporting Person to his trust.

(5) Securities held by a trust over which the Reporting Person exercises voting and dispositive control.

**Signature:** /s/ Elizabeth Fisher, as attorney in fact for Liu Curtis  
**Date:** 2023-02-03

### Remarks:

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.**