Liu Curtis - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Liu Curtis
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2026-06-01
Sale(A)
2026-06-16
5:15 pm
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
22,786$8.0259$182,8781,004,194
(Direct)
View
2026-06-01
Sale
2026-06-03
5:17 pm
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
22,201$8.0259$178,1831,004,779
(Direct)
View
2026-05-04
Sale
2026-05-06
4:52 pm
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
17,586$8.1245$142,8771,067,259
(Direct)
View
2026-03-06
Sale
2026-03-10
4:54 pm
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
33,201$8.007$265,840603,756
(Direct)
View
2026-03-05
Sale
2026-03-09
4:44 pm
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
30,061$8.0017$240,539636,957
(Direct)
View
2021-09-28
Sale
2021-09-30
7:32 pm
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
300,772$50.43$15,167,82079,228
(Indirect)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-05-15
Tax Withholding
2026-05-19
4:28 pm
N/A
N/A
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
40,279$6.061,026,980
(Direct)
View
2026-04-15
Option Award
2026-04-17
5:55 pm
N/A
N/A
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
417,827$01,084,845
(Direct)
View
2026-02-15
Tax Withholding
2026-02-17
4:34 pm
N/A
N/A
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
26,672$6.34730,280
(Direct)
View
2025-11-15
Tax Withholding
2025-11-18
5:18 pm
N/A
N/A
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
36,092$10.73756,952
(Direct)
View
2025-08-15
Tax Withholding
2025-08-19
5:44 pm
N/A
N/A
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
34,301$11.47793,044
(Direct)
View
2025-05-15
Tax Withholding
2025-05-19
5:22 pm
N/A
N/A
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
25,533$12.148,209,553
(Direct)
View
2025-04-25
Option Award
2025-04-29
4:59 pm
N/A
N/A
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
852,878$08,235,086
(Direct)
View
2024-02-01
Exercise
2024-02-05
5:12 pm
N/A
N/A
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
23,866$4.197,394,407
(Direct)
View
2024-02-01
Conversion
2024-02-05
5:12 pm
N/A
N/A
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
23,866$07,394,407
(Direct)
View
2024-02-01
Exercise
2024-02-05
5:12 pm
N/A
2030-12-28
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
23,866$07,394,407
(Direct)
View
2023-02-01
Exercise
2023-02-03
6:28 pm
N/A
N/A
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
23,866$4.197,394,407
(Direct)
View
2023-02-01
Conversion
2023-02-03
6:28 pm
N/A
N/A
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
23,866$07,394,407
(Direct)
View
2023-02-01
Exercise
2023-02-03
6:28 pm
N/A
2030-12-28
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
23,866$07,394,407
(Direct)
View
2022-02-17
Exercise
2022-02-23
6:14 pm
N/A
N/A
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
93,866$4.197,989,150
(Indirect)
View
2022-02-17
Conversion
2022-02-23
6:14 pm
N/A
N/A
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
93,866$07,989,150
(Indirect)
View
2022-02-17
Exercise
2022-02-23
6:14 pm
N/A
2030-12-28
Amplitude Inc.AMPLLiu Curtis
Chief Technology Officer
10% Owner
93,866$07,989,150
(Indirect)
View

Ownership
2021-09-21
6:00 pm
N/A
N/A
Amplitude Inc.AMPLLiu Curtis
Director
0$08,407,690
(Indirect)
View
(A) Indicate amendment filing.