Insider · CIK 0001735409
Tien Tzuo
directorceochairofficerowner
Files at ZUO (ZUORA INC), AMPL (Amplitude, Inc.). First filing Dec 7, 2023, latest Oct 3, 2024.
In brief
Tien Tzuo files SEC Form 4 as director, CEO, chair and 10% owner at ZUO (ZUORA INC), and also at AMPL (Amplitude, Inc.). Since Dec 7, 2023, Tien Tzuo has reported 0 open-market buys worth $0 and 10 open-market sells worth $10M, the latest filed on Oct 3, 2024.
A track record needs three past buys with six months of prices behind them; Tien Tzuo has 0, so none is measured yet.
The newest scored trade: sold $533k of ZUO on Oct 3, 2024, filed Oct 3, 2024, scored 78 (notable).
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 10
$0 bought, $10M sold
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 78Notable | ZUORA INC | $533k 63,873 shares | -50% | - | |
| 35Weak | ZUORA INC | $122k 13,353 shares | -68% | - | |
| 50Moderate | ZUORA INC | $1.1M 121,822 shares | -346% | - | |
| 50Moderate | ZUORA INC | $1.0M 114,825 shares | -95% | - | |
| 46Moderate | ZUORA INC | $689k 70,833 shares | -92% | - | |
| 50Moderate | ZUORA INC | $2.3M 239,198 shares | -97% | - | |
| 46Moderate | ZUORA INC | $724k 81,635 shares | -93% | - | |
| 50Moderate | ZUORA INC | $2.2M 236,157 shares | -1781% | - | |
| 46Moderate | ZUORA INC | $748k 84,676 shares | -93% | - | |
| 33Weak | ZUORA INC | $883k 100,000 shares | -94% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Jan 3, 2025 | ZUO Zuora, Inc. | 48,569 0.03% of outstanding | $482k | Jan 2, 2025 | $533k |
| Oct 3, 2024 | ZUO Zuora, Inc. | 63,873 0.04% of outstanding | $533k | Oct 3, 2024 | $2.3M |
| Jul 1, 2024 | ZUO Zuora, Inc | 320,833 0.23% of outstanding | $3.2M | Jul 1, 2024 | $2.3M |
| Apr 1, 2024 | ZUO Zuora, Inc. | 320,833 0.23% of outstanding | $2.9M | Apr 1, 2024 | $2.9M |
| Jan 23, 2024 | ZUO ZUORA INC COM CL A | 70,833 0.05% of outstanding | $626k | Jan 23, 2024 | $1.7M |
| Jan 2, 2024 | ZUO ZUORA INC | 250,000 0.19% of outstanding | $2.4M | Jan 2, 2024 | $883k |
| Dec 6, 2023 | ZUO ZUORA INC COM CL A | 100,000 0.08% of outstanding | $906k | Dec 6, 2023 | $1.1M |
Transactions
The newest 50 of 100 rows this insider has filed.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 5, 2026 | AMPL Amplitude, Inc. | AGrant or award Class A Common Stock | +818 | $0.00 | $0 | 102,419 | 8 d ago |
| Jul 5, 2026 | AMPL Amplitude, Inc. | AGrant or award Class A Common Stock | +1,521 | $0.00 | $0 | 101,601 | Jul 7, 2026 |
| Apr 5, 2026 | AMPL Amplitude, Inc. | AGrant or award Class A Common Stock | +1,538 | $0.00 | $0 | 100,080 | Apr 7, 2026 |
| Jan 5, 2026 | AMPL Amplitude, Inc. | AGrant or award Class A Common Stock | +999 | $0.00 | $0 | 98,542 | Jan 7, 2026 |
| Oct 5, 2025 | AMPL Amplitude, Inc. | AGrant or award Class A Common Stock | +977 | $0.00 | $0 | 97,543 | Oct 7, 2025 |
| Jul 5, 2025 | AMPL Amplitude, Inc. | AGrant or award Class A Common Stock | +894 | $0.00 | $0 | 96,566 | Jul 8, 2025 |
| Apr 5, 2025 | AMPL Amplitude, Inc. | AGrant or award Common Stock | +398 | $0.00 | $0 | 95,672 | Apr 8, 2025 |
| Feb 22, 2025 | AMPL Amplitude, Inc. | AGrant or award Class A Common Stock | +44,462 | $0.00 | $0 | 95,274 | Feb 25, 2025 |
| Oct 3, 2024 | ZUO ZUORA INC | SOpen-market sale Class A Common Stock | -63,873 | $8.34 | $533k | 63,312 | Oct 3, 2024 |
| Sep 30, 2024 | ZUO ZUORA INC | MOption exercise Class A Common Stock | +12,500 | $0.00 | $0 | 18,852 | Oct 2, 2024 |
| Sep 30, 2024 | ZUO ZUORA INC | MOption exercise Class A Common Stock | +58,333 | $0.00 | $0 | 77,185 | Oct 2, 2024 |
| Sep 30, 2024 | ZUO ZUORA INC | MOption exercise Class A Common Stock | +50,000 | $0.00 | $0 | 127,185 | Oct 2, 2024 |
| Sep 30, 2024 | ZUO ZUORA INC | MOption exercise Restricted Stock Units (RSU)(Class A)derivative | -12,500 | $0.00 | $0 | 25,000 | Oct 2, 2024 |
| Sep 30, 2024 | ZUO ZUORA INC | MOption exercise Restricted Stock Units (RSU)(Class A)derivative | -58,333 | $0.00 | $0 | 350,002 | Oct 2, 2024 |
| Sep 30, 2024 | ZUO ZUORA INC | MOption exercise Restricted Stock Units (RSU)(Class A)derivative | -50,000 | $0.00 | $0 | 250,000 | Oct 2, 2024 |
| Oct 1, 2024 | ZUO ZUORA INC | MOption exercise Stock Option (Right to buy Class B Common Stock)derivative | -571,785 | $0.00 | $0 | 0 | Oct 2, 2024 |
| Oct 1, 2024 | ZUO ZUORA INC | MOption exercise Class B Common Stockderivative | +571,785 | $0.00 | $0 | 571,785 | Oct 2, 2024 |
| Oct 1, 2024 | ZUO ZUORA INC | FTax withholding Class B Common Stockderivative | -392,083 | $0.00 | $0 | 179,702 | Oct 2, 2024 |
| Oct 1, 2024 | ZUO ZUORA INC | GGift Class B Common Stockderivative | -179,702 | $0.00 | $0 | 0 | Oct 2, 2024 |
| Oct 1, 2024 | ZUO ZUORA INC | GGift Class B Common Stockderivativeindirect: By 70 Thirty Trust | +179,702 | $0.00 | $0 | 7,698,605 | Oct 2, 2024 |
| Jul 19, 2024 | ZUO ZUORA INC | MOption exercise Stock Option (Right to buy Class B Common Stock)derivative | -147,200 | $0.00 | $0 | 571,785 | Jul 23, 2024 |
| Jul 19, 2024 | ZUO ZUORA INC | MOption exercise Class B Common Stockderivative | +147,200 | $0.00 | $0 | 147,200 | Jul 23, 2024 |
| Jul 19, 2024 | ZUO ZUORA INC | GGift Class B Common Stockderivative | -147,200 | $0.00 | $0 | 0 | Jul 23, 2024 |
| Jul 19, 2024 | ZUO ZUORA INC | GGift Class B Common Stockderivativeindirect: By 70 Thirty Trust | +147,200 | $0.00 | $0 | 7,518,903 | Jul 23, 2024 |
| Jul 16, 2024 | ZUO ZUORA INC | MOption exercise Class A Common Stock10b5-1 | +13,353 | $0.00 | $0 | 19,705 | Jul 17, 2024 |
| Jul 16, 2024 | ZUO ZUORA INC | SOpen-market sale Class A Common Stock10b5-1 | -13,353 | $9.12 | $122k | 6,352 | Jul 17, 2024 |
| Jul 16, 2024 | ZUO ZUORA INC | MOption exercise Stock Option (Right to buy Class B Common Stock)derivative10b5-1 | -13,353 | $0.00 | $0 | 718,985 | Jul 17, 2024 |
| Jul 16, 2024 | ZUO ZUORA INC | MOption exercise Class B Common Stockderivative10b5-1 | +13,353 | $0.00 | $0 | 13,353 | Jul 17, 2024 |
| Jul 16, 2024 | ZUO ZUORA INC | CConversion Class B Common Stockderivative10b5-1 | -13,353 | $0.00 | $0 | 0 | Jul 17, 2024 |
| Jul 11, 2024 | ZUO ZUORA INC | MOption exercise Class A Common Stock10b5-1 | +28,891 | $0.00 | $0 | 35,243 | Jul 15, 2024 |
| Jul 11, 2024 | ZUO ZUORA INC | SOpen-market sale Class A Common Stock10b5-1 | -28,891 | $9.00 | $260k | 6,352 | Jul 15, 2024 |
| Jul 12, 2024 | ZUO ZUORA INC | MOption exercise Class A Common Stock10b5-1 | +11,200 | $0.00 | $0 | 17,552 | Jul 15, 2024 |
| Jul 12, 2024 | ZUO ZUORA INC | SOpen-market sale Class A Common Stock10b5-1 | -11,200 | $9.00 | $101k | 6,352 | Jul 15, 2024 |
| Jul 15, 2024 | ZUO ZUORA INC | MOption exercise Class A Common Stock10b5-1 | +81,731 | $0.00 | $0 | 88,083 | Jul 15, 2024 |
| Jul 15, 2024 | ZUO ZUORA INC | SOpen-market sale Class A Common Stock10b5-1 | -81,731 | $9.05 | $740k | 6,352 | Jul 15, 2024 |
| Jul 11, 2024 | ZUO ZUORA INC | MOption exercise Stock Option (Right to buy Class B Common Stock)derivative10b5-1 | -28,891 | $0.00 | $0 | 825,269 | Jul 15, 2024 |
| Jul 11, 2024 | ZUO ZUORA INC | MOption exercise Class B Common Stockderivative10b5-1 | +28,891 | $0.00 | $0 | 28,891 | Jul 15, 2024 |
| Jul 11, 2024 | ZUO ZUORA INC | CConversion Class B Common Stockderivative10b5-1 | -28,891 | $0.00 | $0 | 0 | Jul 15, 2024 |
| Jul 12, 2024 | ZUO ZUORA INC | MOption exercise Stock Option (Right to buy Class B Common Stock)derivative10b5-1 | -11,200 | $0.00 | $0 | 814,069 | Jul 15, 2024 |
| Jul 12, 2024 | ZUO ZUORA INC | MOption exercise Class B Common Stockderivative10b5-1 | +11,200 | $0.00 | $0 | 11,200 | Jul 15, 2024 |
| Jul 12, 2024 | ZUO ZUORA INC | CConversion Class B Common Stockderivative10b5-1 | -11,200 | $0.00 | $0 | 0 | Jul 15, 2024 |
| Jul 15, 2024 | ZUO ZUORA INC | MOption exercise Stock Option (Right to buy Class B Common Stock)derivative10b5-1 | -81,731 | $0.00 | $0 | 732,338 | Jul 15, 2024 |
| Jul 15, 2024 | ZUO ZUORA INC | MOption exercise Class B Common Stockderivative10b5-1 | +81,731 | $0.00 | $0 | 81,731 | Jul 15, 2024 |
| Jul 15, 2024 | ZUO ZUORA INC | CConversion Class B Common Stockderivative10b5-1 | -81,731 | $0.00 | $0 | 0 | Jul 15, 2024 |
| Jul 8, 2024 | ZUO ZUORA INC | MOption exercise Class A Common Stock10b5-1 | +114,825 | $0.00 | $0 | 121,177 | Jul 10, 2024 |
| Jul 8, 2024 | ZUO ZUORA INC | SOpen-market sale Class A Common Stock10b5-1 | -114,825 | $9.05 | $1.0M | 6,352 | Jul 10, 2024 |
| Jul 8, 2024 | ZUO ZUORA INC | MOption exercise Stock Option (Right to buy Class B Common Stock)derivative10b5-1 | -114,825 | $0.00 | $0 | 854,160 | Jul 10, 2024 |
| Jul 8, 2024 | ZUO ZUORA INC | MOption exercise Class B Common Stockderivative10b5-1 | +114,825 | $0.00 | $0 | 114,825 | Jul 10, 2024 |
| Jul 8, 2024 | ZUO ZUORA INC | CConversion Class B Common Stockderivative10b5-1 | -114,825 | $0.00 | $0 | 0 | Jul 10, 2024 |
| Jun 30, 2024 | ZUO ZUORA INC | MOption exercise Class A Common Stock10b5-1 | +12,500 | $0.00 | $0 | 18,852 | Jul 2, 2024 |
50 of 100 rows shown.
Questions about Tien Tzuo
Answered from the filings on this page, as of the latest one.
Is Tien Tzuo buying or selling?
Not in the last 12 months. Tien Tzuo's latest open-market trade on SEC Form 4 was sold $533k of ZUO on Oct 3, 2024.
How did Tien Tzuo's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Tien Tzuo has 0.
Where does Tien Tzuo file Form 4?
Tien Tzuo has filed Form 4 at ZUO (ZUORA INC) as Chairman and CEO; AMPL (Amplitude, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.