AMPL

Amplitude, Inc.

Services-Prepackaged SoftwareNasdaqLarge accelerated filer

Total Trades

Buys

Sells

Largest Trade

$1M+

Insiders

Institutional Funds

156

Inst. Value

$1M+

Activist Filings

Insider Trades

Insider	Title	Type	Value	Shares	Price	Date
Skates Spenser	CEO	SELL	$1K–$15K	100	$12.00	Dec 30, 2025
Skates Spenser	CEO	SELL	$500K+	43K	$12.01	Dec 29, 2025
Schultz Erica	Director	SELL	$100K–$500K	10K	$10.88	Dec 17, 2025
Schultz Erica	Director	EXERCISE	$15K–$50K	10K	$4.19	Dec 17, 2025
Schultz Erica	Director	SELL	$100K–$500K	10K	$10.23	Nov 19, 2025
Schultz Erica	Director	EXERCISE	$15K–$50K	10K	$4.19	Nov 19, 2025
Skates Spenser	CEO	SELL	$1M+	400K	$10.99	Nov 13, 2025
Casey Andrew	CFO	BUY	$100K–$500K	30K	$9.99	Nov 12, 2025
Schultz Erica	Director	SELL	$100K–$500K	10K	$11.06	Sep 17, 2025
Schultz Erica	Director	EXERCISE	$15K–$50K	10K	$4.19	Sep 17, 2025
Schultz Erica	Director	SELL	$50K–$100K	8K	$12.56	Jul 17, 2025
Schultz Erica	Director	EXERCISE	$50K–$100K	15K	$4.19	Jul 17, 2025
Schultz Erica	Director	SELL	$100K–$500K	26K	$12.49	Jun 13, 2025
Wong Catherine	Director	SELL	$100K–$500K	9K	$12.49	Jun 13, 2025
Wong Catherine	Director	SELL	$15K–$50K	4K	$11.75	May 21, 2025
Vishria Eric	Director	SELL	$100K–$500K	10K	$12.00	May 14, 2025
Vishria Eric	Director	SELL	$100K–$500K	25K	$10.15	May 12, 2025
Casey Andrew	CFO	BUY	$100K–$500K	21K	$11.42	Mar 17, 2025
Wong Catherine	Director	SELL	$15K–$50K	4K	$12.04	Mar 12, 2025
Vishria Eric	Director	SELL	$100K–$500K	35K	$12.80	Feb 26, 2025
Vishria Eric	Director	SELL	$15K–$50K	4K	$12.00	Jan 29, 2025
Wong Catherine	Director	SELL	$15K–$50K	4K	$9.57	Nov 19, 2024
Vishria Eric	Director	SELL	$100K–$500K	25K	$10.18	Nov 14, 2024
Wong Catherine	Director	SELL	$15K–$50K	4K	$8.54	Aug 20, 2024
Wong Catherine	Director	SELL	$15K–$50K	4K	$11.97	Feb 26, 2024
Wong Catherine	Director	SELL	$15K–$50K	4K	$10.47	Nov 20, 2023
Wong Catherine	Director	SELL	$15K–$50K	4K	$11.23	Aug 21, 2023
Thakker Dharmesh	10% Owner	SELL	$500K+	64K	$10.84	Jul 7, 2023
SC US (TTGP), LTD.	10% Owner	SELL	$1M+	324K	$10.08	Jun 9, 2023
Grady Patrick W	Director	SELL	$1M+	324K	$10.08	Jun 9, 2023
SC US (TTGP), LTD.	10% Owner	SELL	$1M+	324K	$10.08	Jun 9, 2023
Grady Patrick W	Director	SELL	$1M+	179K	$9.64	Jun 6, 2023
SC US (TTGP), LTD.	10% Owner	SELL	$1M+	179K	$9.64	Jun 6, 2023
SC US (TTGP), LTD.	10% Owner	SELL	$1M+	179K	$9.64	Jun 6, 2023
HANSEN THOMAS NEERGAARD	President	SELL	$100K–$500K	30K	$9.11	May 19, 2023
Wong Catherine	Director	SELL	$15K–$50K	4K	$9.02	May 19, 2023
Harms Christopher	CFO	SELL	$100K–$500K	15K	$9.11	May 19, 2023
HANSEN THOMAS NEERGAARD	President	SELL	$100K–$500K	23K	$11.67	Apr 12, 2023
Wong Catherine	Director	SELL	$50K–$100K	4K	$14.34	Feb 21, 2023
Sarkis Ninos	Chief Accounting O…	SELL	$15K–$50K	3K	$14.61	Feb 21, 2023
HANSEN THOMAS NEERGAARD	President	SELL	$100K–$500K	20K	$12.17	Jan 11, 2023
Sarkis Ninos	Chief Accounting O…	SELL	$15K–$50K	2K	$13.86	Nov 22, 2022
Wong Catherine	Director	SELL	$15K–$50K	4K	$13.80	Nov 18, 2022
HANSEN THOMAS NEERGAARD	President	SELL	$100K–$500K	13K	$15.19	Oct 12, 2022
Sarkis Ninos	Chief Accounting O…	SELL	$1K–$15K	478	$17.61	Aug 23, 2022
Wong Catherine	Director	SELL	$50K–$100K	4K	$17.59	Aug 19, 2022
LASKY MITCHELL	10% Owner	SELL	$1M+	76K	$18.19	Aug 12, 2022
Puttagunta Chetan	10% Owner	SELL	$100K–$500K	10K	$18.01	Aug 12, 2022
GURLEY J WILLIAM	Director	SELL	$100K–$500K	6K	$17.50	Aug 11, 2022
Tavel Sarah E	10% Owner	SELL	$500K+	42K	$18.01	Aug 11, 2022

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Institutional Ownership

13F filings as of Dec 31, 2025 · 156 funds holding

Fund	Shares	Value	Type
ALLIANCEBERNSTEIN L.P.	6.2M	$1M+	SH
Point72 Asset Management, L.P.	3.5M	$1M+	SH
SC US (TTGP), LTD.	2.6M	$1M+	SH
TimesSquare Capital Management, LLC	2.5M	$1M+	SH
STATE STREET CORP	2.3M	$1M+	SH
GEODE CAPITAL MANAGEMENT, LLC	1.9M	$1M+	SH
LIGHT STREET CAPITAL MANAGEMENT, LLC	1.5M	$1M+	SH
ArrowMark Colorado Holdings LLC	1.5M	$1M+	SH
Squarepoint Ops LLC	968K	$1M+	SH
GOLDMAN SACHS GROUP INC	849K	$1M+	SH
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	778K	$1M+	SH
Toronado Partners, LLC	776K	$1M+	SH
GAGNON SECURITIES LLC	699K	$1M+	SH
BAILLIE GIFFORD & CO	694K	$1M+	SH
VANGUARD GROUP INC	639K	$1M+	SH
Portolan Capital Management, LLC	560K	$1M+	SH
ACADIAN ASSET MANAGEMENT LLC	532K	$1M+	SH
WESTERLY CAPITAL MANAGEMENT, LLC	500K	$1M+	SH
Gagnon Advisors, LLC	457K	$1M+	SH
Cerity Partners LLC	454K	$1M+	SH