Catherine Wong

CIK: 0001744910

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)5 (71.4%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (28.6%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

AMPL

Amplitude, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (7 total)

AMPL
Amplitude, Inc.
Jun 12, 2026
Sale(S)
Direct
7.5K shares at avg. $6.79$51K
AMPL
Amplitude, Inc.
Jun 9, 2026
Award(A)
Direct
24.9K shares-
AMPL
Amplitude, Inc.
Jun 12, 2025
Award(A)
Direct
14.9K shares-
AMPL
Amplitude, Inc.
Jun 11, 2025
Sale(S)
Direct
8.5K shares at avg. $12.49$106K
AMPL
Amplitude, Inc.
May 19, 2025
Sale(S)
Direct
3.5K shares at avg. $11.75$41K
AMPL
Amplitude, Inc.
Mar 11, 2025
Sale(S)
Direct
3.5K shares at avg. $12.04$42K
AMPL
Amplitude, Inc.
Nov 18, 2024
Sale(S)
Direct
3.5K shares at avg. $9.57$34K

		Type	Shares	Price		Ownership
Jun 12, 2026	AMPL Amplitude, Inc.	Sale(S)	7,453	$6.79	$50,580	Direct
Jun 9, 2026	AMPL Amplitude, Inc.	Award(A)	24,857	-	$0	Direct
Jun 12, 2025	AMPL Amplitude, Inc.	Award(A)	14,906	-	-	Direct
Jun 11, 2025	AMPL Amplitude, Inc.	Sale(S)	8,502	$12.49	$106,204	Direct
May 19, 2025	AMPL Amplitude, Inc.	Sale(S)	3,515	$11.75	$41,306	Direct
Mar 11, 2025	AMPL Amplitude, Inc.	Sale(S)	3,515	$12.04	$42,336	Direct
Nov 18, 2024	AMPL Amplitude, Inc.	Sale(S)	3,515	$9.57	$33,644	Direct

1-7 of 7 transactions

About Wong Catherine

Wong Catherine (SEC CIK 0001744910) files insider reports with the SEC as Director of Amplitude, Inc. (AMPL).

Signal8 holds 7 ownership filings by Wong Catherine, all Form 4s, filed between Nov 19, 2024 and Jun 15, 2026. Those filings report 7 transactions, from Nov 18, 2024 to Jun 12, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Wong Catherine's filings is in SAN FRANCISCO, CA.

Recent filings by Wong Catherine

Jun 12, 2026: Open-market sale of AMPL shares (Form 4, code S).
Jun 9, 2026: Grant or award of AMPL shares (Form 4, code A).
Jun 12, 2025: Grant or award of AMPL shares (Form 4, code A).
Jun 11, 2025: Open-market sale of AMPL shares (Form 4, code S).
May 19, 2025: Open-market sale of AMPL shares (Form 4, code S).

Other insiders filing for Amplitude, Inc. (AMPL)

Skates Spenser, CEO and President
Raji Vijaye Ganesh, Director
Schultz Erica, Director
Tzuo Tien, Director
Crook Nathaniel Glenn, Chief Commercial Officer
Liu Curtis, Chief Technology Officer

How to read Form 4 transaction codes