Tzuo Tien
- SEC CIK
- 0001735409
No open-market purchases or sales filed in the past year.
Current role at each company
- AMPL Amplitude, Inc.Directoras of Jul 7, 2026
- ZUO Zuora IncChairman and CEOas of Feb 14, 2025
- Vonage Holdings CorpDirectoras of Jul 21, 2022
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- –
- 0 filings
- Net
- –
- Bought minus sold
- Companies
- 0
- With open-market trades
Trades
Every Form 4 that lists Tzuo Tien as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
ZUO Zuora Inc
Chairman and CEO24 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2021 (view filing) | Aug 30 | 2 days | Tzuo TienChairman and CEO | SSaleClass A Common Stock | −5.00K | $16.89 | −$84.5K | −100.0%0 after | |
| Oct 4, 2021 (view filing) | Sep 30-Oct 1 | 4 days | Tzuo TienChairman and CEO | SSaleClass A Common Stock | −30.0K | $16.64 | −$499.2K | −100.0%0 after | 2 lots |
| Oct 19, 2021 (view filing) | Oct 15-18 | 4 days | Tzuo TienChairman and CEO | SSaleClass A Common Stock | −40.0K | $20.05 | −$802.0K | −100.0%0 after | 2 lots |
| Dec 8, 2021 (view filing) | Dec 7 | 1 day | Tzuo TienChairman and CEO | SSaleClass A Common Stock | −10.0K | $20.08 | −$200.8K | −100.0%0 after | |
| Jan 4, 2022 (view filing) | Dec 31, 2021-Jan 3, 2022 | 4 days | Tzuo TienChairman and CEO | SSaleClass A Common Stock | −17.5K | $18.63 | −$326.0K | −100.0%0 after | 2 lots |
| Mar 21, 2022 (view filing) | Mar 17 | 4 days | Tzuo TienChairman and CEO | SSaleClass A Common Stock | −10.0K | $15.00 | −$150.0K | −100.0%0 after | |
| Apr 4, 2022 (view filing) | Mar 31-Apr 1 | 4 days | Tzuo TienChairman and CEO | SSaleClass A Common Stock | −17.5K | $15.09 | −$264.1K | −100.0%0 after | 2 lots |
| Jul 5, 2022 (view filing) | Jun 30 | 5 days | Tzuo TienChairman and CEO | SSaleClass A Common Stock | −12.5K | $8.88 | −$111.0K | −100.0%0 after | |
| Oct 4, 2022 (view filing) | Oct 4 | Same day | Tzuo TienChairman and CEO | SSaleClass A Common Stock | −6.15K | $7.69 | −$47.3K | −49.2%6.35K after | |
| Jan 4, 2023 (view filing) | Jan 3 | 1 day | Tzuo TienChairman and CEO | SSaleClass A Common Stock | −12.5K | $6.36 | −$79.5K | −66.3%6.35K after |