Form 4 holding
Director
Amplitude, Inc.
- Security class
- Class A Common Stock
- Shares / value
- 101,601
- Estimated value
- $777,247
- Report date
- 05 Jul 2026
- Price
- $7.65
- Ownership
- Direct
Tien Tzuo
Insider Reports History
- Reporting-owner location
- San Francisco, CA
- Latest reporting-owner signature
-
/s/ Elizabeth Fisher, as attorney in fact for Tien Tzuo
Source: Latest parsed Forms 3/4/5 signature
- Transaction source note
- Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.
Identity
Names, identifiers, and filing context for this profile.
1 identity field
SEC source record
Original filing metadata and source links for verification.
1 source field
Source evidence
Original filing metadata and source links for verification.
1 source field
Reported holdings for Tien Tzuo
Form 4 holding
Chairman and CEO, Director
ZUORA INC
- Security class
- Class A Common Stock
- Shares / value
- 0
- Estimated value
- $0
- Report date
- 14 Feb 2025
- Price
- $10.00
- Ownership
- Direct
Form 4 holding
Chairman and CEO, Director
ZUORA INC
- Security class
- Class B Common Stock
- Shares / value
- 0
- Estimated value
- $0
- Report date
- 14 Feb 2025
- Price
- $10.00
- Ownership
- By 70 Thirty Trust
- Underlying class
- Class B Common Stock
- Underlying amount
- 7,371,703
Form 4 holding
Chairman and CEO, Director
ZUORA INC
- Security class
- Class B Common Stock
- Shares / value
- 0
- Estimated value
- $0
- Report date
- 14 Feb 2025
- Price
- $10.00
- Ownership
- By The Next Left Trust
- Underlying class
- Class B Common Stock
- Underlying amount
- 640,542
Form 4 holding
Chairman and CEO, Director
ZUORA INC
- Security class
- Performance Stock Units (PSU) (Class A)
- Shares / value
- 0
- Estimated value
- $0
- Report date
- 14 Feb 2025
- Price
- $10.00
- Ownership
- Direct
- Underlying class
- Class A Common Stock
- Underlying amount
Form 4 holding
Chairman and CEO, Director
ZUORA INC
- Security class
- Restricted Stock Units (RSU) (Class A)
- Shares / value
- 0
- Estimated value
- $0
- Report date
- 14 Feb 2025
- Price
- $10.00
- Ownership
- Direct
- Underlying class
- Class A Common Stock
- Underlying amount
Form 4 holding
Director
Amplitude, Inc.
- Security class
- Common Stock
- Shares / value
- 95,672
- Estimated value
- Report date
- 05 Apr 2025
- Price
- Ownership
- Direct
Form 4 holding
Director
VONAGE HOLDINGS CORP
- Security class
- Common Stock
- Shares / value
- 0
- Estimated value
- Report date
- 21 Jul 2022
- Price
- $21.00
- Ownership
- Direct
Form 4 holding
Chairman and CEO, Director
ZUORA INC
- Security class
- Stock Option (right to buy)
- Shares / value
- 0
- Estimated value
- Report date
- 14 Feb 2025
- Price
- Ownership
- Direct
- Underlying class
- Class A Common Stock
- Underlying amount
Form 4 holding
Chairman and CEO, Director
ZUORA INC
- Security class
- Stock Option (Right to buy Class B Common Stock)
- Shares / value
- 0
- Estimated value
- Report date
- 01 Oct 2024
- Price
- Ownership
- Direct
- Underlying class
- Class B Common Stock
- Underlying amount
Insider Reports Filed by Tien Tzuo
4
AMPL
Amplitude, Inc.
- Report period
- 05 Jul 2026
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 07 Jul 2026, 18:19
- Role
- Director
- Next action
- Open filing details
4
AMPL
Amplitude, Inc.
- Report period
- 05 Apr 2026
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 07 Apr 2026, 17:30
- Role
- Director
- Next action
- Open filing details
4
AMPL
Amplitude, Inc.
- Report period
- 05 Jan 2026
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 07 Jan 2026, 17:24
- Role
- Director
- Next action
- Open filing details
4
AMPL
Amplitude, Inc.
- Report period
- 05 Oct 2025
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 07 Oct 2025, 17:27
- Role
- Director
- Next action
- Open filing details
4
AMPL
Amplitude, Inc.
- Report period
- 05 Jul 2025
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 08 Jul 2025, 16:55
- Role
- Director
- Next action
- Open filing details
4
AMPL
Amplitude, Inc.
- Report period
- 05 Apr 2025
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 08 Apr 2025, 18:13
- Role
- Director
- Next action
- Open filing details
4
AMPL
Amplitude, Inc.
- Report period
- 22 Feb 2025
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 25 Feb 2025, 16:52
- Role
- Director
- Next action
- Open filing details
3
AMPL
Amplitude, Inc.
- Report period
- 22 Feb 2025
- Transactions
- 0
- Transaction value
- $0
- Accepted by SEC
- 25 Feb 2025, 16:50
- Role
- Director
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 14 Feb 2025
- Transactions
- 12
- Transaction value
- -$95,784,200
- Accepted by SEC
- 14 Feb 2025, 16:05
- Role
- Chairman and CEO, Director
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 03 Feb 2025
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 05 Feb 2025, 16:06
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4/A
ZUORA INC
- Report period
- 31 Dec 2024
- Transactions
- 7
- Transaction value
- -$487,840
- Accepted by SEC
- 14 Jan 2025, 18:04
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 01 Oct 2024
- Transactions
- 1
- Transaction value
- -$532,931
- Accepted by SEC
- 03 Oct 2024, 19:04
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 30 Sep 2024
- Transactions
- 11
- Transaction value
- $0
- Accepted by SEC
- 02 Oct 2024, 18:09
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 19 Jul 2024
- Transactions
- 4
- Transaction value
- $0
- Accepted by SEC
- 23 Jul 2024, 16:09
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 16 Jul 2024
- Transactions
- 5
- Transaction value
- -$121,762
- Accepted by SEC
- 17 Jul 2024, 17:22
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 11 Jul 2024
- Transactions
- 15
- Transaction value
- -$1,100,474
- Accepted by SEC
- 15 Jul 2024, 17:48
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 08 Jul 2024
- Transactions
- 5
- Transaction value
- -$1,038,764
- Accepted by SEC
- 10 Jul 2024, 16:10
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 30 Jun 2024
- Transactions
- 5
- Transaction value
- -$689,248
- Accepted by SEC
- 02 Jul 2024, 16:22
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 22 Apr 2024
- Transactions
- 6
- Transaction value
- $0
- Accepted by SEC
- 24 Apr 2024, 16:07
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 17 Apr 2024
- Transactions
- 5
- Transaction value
- -$2,258,268
- Accepted by SEC
- 19 Apr 2024, 16:05
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 31 Mar 2024
- Transactions
- 9
- Transaction value
- -$724,168
- Accepted by SEC
- 02 Apr 2024, 16:30
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 25 Jan 2024
- Transactions
- 4
- Transaction value
- $0
- Accepted by SEC
- 26 Jan 2024, 17:23
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 22 Jan 2024
- Transactions
- 10
- Transaction value
- -$2,185,713
- Accepted by SEC
- 24 Jan 2024, 18:24
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 31 Dec 2023
- Transactions
- 9
- Transaction value
- -$748,138
- Accepted by SEC
- 03 Jan 2024, 19:11
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 06 Dec 2023
- Transactions
- 3
- Transaction value
- -$883,450
- Accepted by SEC
- 07 Dec 2023, 16:16
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 07 Sep 2023
- Transactions
- 6
- Transaction value
- -$1,063,165
- Accepted by SEC
- 03 Oct 2023, 21:50
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 30 Jun 2023
- Transactions
- 3
- Transaction value
- -$136,564
- Accepted by SEC
- 05 Jul 2023, 21:38
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 25 Apr 2023
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 28 Apr 2023, 19:30
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 31 Mar 2023
- Transactions
- 3
- Transaction value
- -$120,515
- Accepted by SEC
- 04 Apr 2023, 20:16
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 30 Sep 2022
- Transactions
- 3
- Transaction value
- -$47,278
- Accepted by SEC
- 04 Oct 2022, 19:37
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
VONAGE HOLDINGS CORP
- Report period
- 21 Jul 2022
- Transactions
- 1
- Transaction value
- -$175,476
- Accepted by SEC
- 21 Jul 2022, 14:04
- Role
- Director
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 30 Jun 2022
- Transactions
- 3
- Transaction value
- -$111,010
- Accepted by SEC
- 05 Jul 2022, 19:30
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 28 Jun 2022
- Transactions
- 7
- Transaction value
- -$79,494
- Accepted by SEC
- 04 Jan 2023, 17:12
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 07 Jun 2022
- Transactions
- 4
- Transaction value
- $0
- Accepted by SEC
- 09 Jun 2022, 17:27
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 31 Mar 2022
- Transactions
- 8
- Transaction value
- -$264,041
- Accepted by SEC
- 04 Apr 2022, 17:24
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 17 Mar 2022
- Transactions
- 5
- Transaction value
- -$150,009
- Accepted by SEC
- 21 Mar 2022, 19:59
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 31 Dec 2021
- Transactions
- 8
- Transaction value
- -$326,044
- Accepted by SEC
- 04 Jan 2022, 17:02
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 07 Dec 2021
- Transactions
- 5
- Transaction value
- -$200,803
- Accepted by SEC
- 08 Dec 2021, 17:03
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 15 Oct 2021
- Transactions
- 6
- Transaction value
- -$802,163
- Accepted by SEC
- 19 Oct 2021, 18:06
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
VONAGE HOLDINGS CORP
- Report period
- 01 Oct 2021
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 05 Oct 2021, 17:45
- Role
- Director
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 30 Sep 2021
- Transactions
- 8
- Transaction value
- -$499,092
- Accepted by SEC
- 04 Oct 2021, 17:24
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 30 Aug 2021
- Transactions
- 5
- Transaction value
- -$84,425
- Accepted by SEC
- 01 Sep 2021, 17:43
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
VONAGE HOLDINGS CORP
- Report period
- 01 Jul 2021
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 06 Jul 2021, 08:43
- Role
- Director
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 01 Jun 2021
- Transactions
- 5
- Transaction value
- -$225,876
- Accepted by SEC
- 03 Jun 2021, 17:54
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details
4
ZUORA INC
- Report period
- 05 May 2021
- Transactions
- 2
- Transaction value
- $0
- Accepted by SEC
- 07 May 2021, 16:50
- Role
- Chairman and CEO, Director, 10%+ Owner
- Next action
- Open filing details