Understand Stock

$AMPL

$7.96 -$0.38 (4.56%)

Deep Research with AI Research

Overview

$AMPL Overview Financials SEC Filings Executives News

Specialized Tools

Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

NORMAN A FOGELSONG

5,610,451 shares

Net: 0 B/S: -

Venture Partners XV Executive Fund, L.P. Institutional

5,610,451 shares

Net: 0 B/S: -

THOMAS NEERGAARD HANSEN

1,845,845 shares

Net: -256,569 B/S: -

Andrew Casey

1,498,524 shares

Net: +313,517 B/S: ∞

Spenser Skates

1,323,119 shares

Net: +313,119 B/S: 3.99

Nathaniel Glenn Crook

1,156,096 shares

Net: +278,551 B/S: ∞

Curtis Liu

1,084,845 shares

Net: +257,500 B/S: 6.6

Christopher Harms

833,853 shares

Net: 0 B/S: -

Hoang Vuong

813,896 shares

Net: 0 B/S: -

Ventures Select Fund I, L.P. Battery

327,766 shares

Net: 0 B/S: -

RUSSELL L FLEISCHER

327,766 shares

Net: 0 B/S: -

Matt Cohler

218,154 shares

Net: 0 B/S: -

Matthew Heinz

215,773 shares

Net: 0 B/S: -

James M Whitehurst

162,344 shares

Net: +14,906 B/S: ∞

Ventures XI-B Side Fund, L.P. Battery

154,579 shares

Net: 0 B/S: -

Erica Schultz

116,584 shares

Net: -2,310 B/S: 0.97

Sarah E Tavel

115,087 shares

Net: 0 B/S: -

Neeraj Agrawal

109,373 shares

Net: 0 B/S: -

Tien Tzuo

100,080 shares

Net: +4,408 B/S: ∞

Catherine Wong

94,058 shares

Net: +6,404 B/S: 1.75

PETER H FENTON

86,377 shares

Net: 0 B/S: -

Ninos Sarkis

83,891 shares

Net: 0 B/S: -

Todd C Chaffee

75,868 shares

Net: 0 B/S: -

Ronald S Gill

74,678 shares

Net: +14,906 B/S: ∞

Dennis B Phelps

72,616 shares

Net: 0 B/S: -

Eric Vishria

64,712 shares

Net: +14,906 B/S: ∞

Patrick W Grady

60,949 shares

Net: +14,906 B/S: ∞

SCOTT R TOBIN

25,420 shares

Net: 0 B/S: -

Jennifer L. Johnson

24,843 shares

Net: 0 B/S: -

Jesse Feldman

22,641 shares

Net: 0 B/S: -

Elisa Steele

21,690 shares

Net: 0 B/S: -

US (TTGP), LTD. SC

7,708 shares

Net: 0 B/S: -

J WILLIAM GURLEY

2,100 shares

Net: 0 B/S: -

An-Yen Hu

240 shares

Net: 0 B/S: -

MITCHELL LASKY

0 shares

Net: 0 B/S: -

Capital Management Co. VIII, L.L.C. Benchmark

0 shares

Net: 0 B/S: -

Morad Elhafed

0 shares

Net: 0 B/S: -

Chetan Puttagunta

0 shares

Net: 0 B/S: -

Dharmesh Thakker

0 shares

Net: 0 B/S: -

CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. SEQUOIA

0 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
NORMAN A FOGELSONG	5,610,451	0	-
Venture Partners XV Executive Fund, L.P. Institutional	5,610,451	0	-
THOMAS NEERGAARD HANSEN	1,845,845	-256,569	-
Andrew Casey	1,498,524	+313,517	∞
Spenser Skates	1,323,119	+313,119	3.99
Nathaniel Glenn Crook	1,156,096	+278,551	∞
Curtis Liu	1,084,845	+257,500	6.6
Christopher Harms	833,853	0	-
Hoang Vuong	813,896	0	-
Ventures Select Fund I, L.P. Battery	327,766	0	-
RUSSELL L FLEISCHER	327,766	0	-
Matt Cohler	218,154	0	-
Matthew Heinz	215,773	0	-
James M Whitehurst	162,344	+14,906	∞
Ventures XI-B Side Fund, L.P. Battery	154,579	0	-
Erica Schultz	116,584	-2,310	0.97
Sarah E Tavel	115,087	0	-
Neeraj Agrawal	109,373	0	-
Tien Tzuo	100,080	+4,408	∞
Catherine Wong	94,058	+6,404	1.75
PETER H FENTON	86,377	0	-
Ninos Sarkis	83,891	0	-
Todd C Chaffee	75,868	0	-
Ronald S Gill	74,678	+14,906	∞
Dennis B Phelps	72,616	0	-
Eric Vishria	64,712	+14,906	∞
Patrick W Grady	60,949	+14,906	∞
SCOTT R TOBIN	25,420	0	-
Jennifer L. Johnson	24,843	0	-
Jesse Feldman	22,641	0	-
Elisa Steele	21,690	0	-
US (TTGP), LTD. SC	7,708	0	-
J WILLIAM GURLEY	2,100	0	-
An-Yen Hu	240	0	-
MITCHELL LASKY	0	0	-
Capital Management Co. VIII, L.L.C. Benchmark	0	0	-
Morad Elhafed	0	0	-
Chetan Puttagunta	0	0	-
Dharmesh Thakker	0	0	-
CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. SEQUOIA	0	0	-

Individual Transactions

April 21, 2026

Spenser Skates

Grant/Award Acquisition

Change: +1,323,119

Price: $0.00

Shares: 1,323,119

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Spenser Skates	Apr 22	Grant/Award Acquisition (A) Compensation/Award	1,323,119	+1,323,119	$0.00	+$0

April 15, 2026

Curtis Liu

Grant/Award Acquisition

Change: +417,827

Price: $0.00

Shares: 1,084,845

Value: +$0

Andrew Casey

Grant/Award Acquisition

Change: +431,754

Price: $0.00

Shares: 1,498,524

Value: +$0

Nathaniel Glenn Crook

Grant/Award Acquisition

Change: +278,551

Price: $0.00

Shares: 1,156,096

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Curtis Liu	Apr 17	Grant/Award Acquisition (A) Compensation/Award	1,084,845	+417,827	$0.00	+$0
Andrew Casey	Apr 17	Grant/Award Acquisition (A) Compensation/Award	1,498,524	+431,754	$0.00	+$0
Nathaniel Glenn Crook	Apr 17	Grant/Award Acquisition (A) Compensation/Award	1,156,096	+278,551	$0.00	+$0

April 05, 2026

Erica Schultz

Grant/Award Acquisition

Change: +1,678

Price: $0.00

Shares: 116,584

Value: +$0

Tien Tzuo

Grant/Award Acquisition

Change: +1,538

Price: $0.00

Shares: 100,080

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Erica Schultz	Apr 07	Grant/Award Acquisition (A) Compensation/Award	116,584	+1,678	$0.00	+$0
Tien Tzuo	Apr 07	Grant/Award Acquisition (A) Compensation/Award	100,080	+1,538	$0.00	+$0

March 06, 2026

Curtis Liu

Open Market Sale

Change: -33,201

Price: $8.01

Shares: 603,756

Value: -$265,840

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Curtis Liu	Mar 10	Open Market Sale (S) Market Sale	603,756	-33,201	$8.01	-$265,840

March 05, 2026

Curtis Liu

Open Market Sale

Change: -30,061

Price: $8.00

Shares: 636,957

Value: -$240,539

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Curtis Liu	Mar 09	Open Market Sale (S) Market Sale	636,957	-30,061	$8.00	-$240,539

February 15, 2026

Andrew Casey

Tax Payment

Change: -39,438

Price: $6.34

Shares: 1,066,770

Value: -$250,036

Curtis Liu

Tax Payment

Change: -26,672

Price: $6.34

Shares: 730,280

Value: -$169,100

THOMAS NEERGAARD HANSEN

Tax Payment

Change: -69,142

Price: $6.34

Shares: 1,845,845

Value: -$438,360

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Andrew Casey	Feb 17	Tax Payment (F) Tax Payment	1,066,770	-39,438	$6.34	-$250,036
Curtis Liu	Feb 17	Tax Payment (F) Tax Payment	730,280	-26,672	$6.34	-$169,100
THOMAS NEERGAARD HANSEN	Feb 17	Tax Payment (F) Tax Payment	1,845,845	-69,142	$6.34	-$438,360

January 05, 2026

Tien Tzuo

Grant/Award Acquisition

Change: +999

Price: $0.00

Shares: 98,542

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Tien Tzuo	Jan 07	Grant/Award Acquisition (A) Compensation/Award	98,542	+999	$0.00	+$0

December 26, 2025

Spenser Skates

Derivative Conversion

Change: +100

Price: $0.00

Shares: 100

Value: +$0

Spenser Skates

Open Market Sale

Change: -100

Price: $12.00

Shares: 0

Value: -$1,200

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Spenser Skates	Dec 30	Derivative Conversion (C) Derivative Exercise	100	+100	$0.00	+$0
Spenser Skates	Dec 30	Open Market Sale (S) Market Sale	0	-100	$12.00	-$1,200

December 24, 2025

Spenser Skates

Derivative Conversion

Change: +42,743

Price: $0.00

Shares: 42,743

Value: +$0

Spenser Skates

Open Market Sale

Change: -42,743

Price: $12.01

Shares: 0

Value: -$513,433

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Spenser Skates	Dec 29	Derivative Conversion (C) Derivative Exercise	42,743	+42,743	$0.00	+$0
Spenser Skates	Dec 29	Open Market Sale (S) Market Sale	0	-42,743	$12.01	-$513,433

December 15, 2025

Erica Schultz

Option Exercise/Conversion

Change: +10,000

Price: $4.19

Shares: 124,906

Value: +$41,900

Erica Schultz

Open Market Sale

Change: -10,000

Price: $10.88

Shares: 114,906

Value: -$108,758

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Erica Schultz	Dec 17	Option Exercise/Conversion (M) Compensation/Award	124,906	+10,000	$4.19	+$41,900
Erica Schultz	Dec 17	Open Market Sale (S) Market Sale	114,906	-10,000	$10.88	-$108,758

November 17, 2025

Erica Schultz

Option Exercise/Conversion

Change: +10,000

Price: $4.19

Shares: 117,406

Value: +$41,900

Erica Schultz

Open Market Sale

Change: -10,000

Price: $10.23

Shares: 107,406

Value: -$102,295

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Erica Schultz	Nov 19	Option Exercise/Conversion (M) Compensation/Award	117,406	+10,000	$4.19	+$41,900
Erica Schultz	Nov 19	Open Market Sale (S) Market Sale	107,406	-10,000	$10.23	-$102,295