Tzuo Tien — SEC Form 4 filings
SEC reporting owner CIK 1735409. 23 Form 4 filings on record with FilingPulse; latest filed 2026-07-07.
Transaction summary — filings shown
Covers all 23 filings on record, filed 2024-01-24 to 2026-07-07. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 13 legs across 10 filings — 1,039,306 shares, $9,621,346 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 101.
- Largest priced transaction: sale of 239,198 shares @ $9.44 ($2,258,268) in ZUORA INC, filed 2024-04-19.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| ZUORA INC (ZUO) | Chairman and CEO, Director | 16 | — | 13 legs · 1,039,306 sh · $9,621,346 | 94 |
| Amplitude, Inc. (AMPL) | Director | 7 | — | — | 7 |
Form 4 filings — Tzuo Tien
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-07 | 4 | Amplitude, Inc. (AMPL) | Grant/award (A): 1,521 @ $0 | EDGAR |
| 2026-04-07 | 4 | Amplitude, Inc. (AMPL) | Grant/award (A): 1,538 @ $0 | EDGAR |
| 2026-01-07 | 4 | Amplitude, Inc. (AMPL) | Grant/award (A): 999 @ $0 | EDGAR |
| 2025-10-07 | 4 | Amplitude, Inc. (AMPL) | Grant/award (A): 977 @ $0 | EDGAR |
| 2025-07-08 | 4 | Amplitude, Inc. (AMPL) | Grant/award (A): 894 @ $0 | EDGAR |
| 2025-04-08 | 4 | Amplitude, Inc. (AMPL) | Grant/award (A): 398 @ $0 | EDGAR |
| 2025-02-25 | 4 | Amplitude, Inc. (AMPL) | Grant/award (A): 44,462 @ $0 | EDGAR |
| 2025-02-14 | 4 | ZUORA INC (ZUO) | Disposition to issuer (D): 110,104 @ $10 · Disposition to issuer (D): 7,698,605 (derivative) @ $10 · Disposition to issuer (D): 640,542 (derivative) @ $10 · Disposition to issuer (D): 362,406 (derivative) · Disposition to issuer (D): 350,000 (derivative) @ $0 · Disposition to issuer (D): 350,000 (derivative) @ $0 · +6 more | EDGAR |
| 2025-02-05 | 4 | ZUORA INC (ZUO) | Grant/award (A): 600,000 (derivative) @ $0 | EDGAR |
| 2025-01-14 | 4/A | ZUORA INC (ZUO) | Option exercise (M): 12,500 @ $0 · Option exercise (M): 58,333 @ $0 · Option exercise (M): 25,000 @ $0 · Sale (S): 49,041 @ $9.95 · Option exercise (M): 12,500 (derivative) @ $0 · Option exercise (M): 58,333 (derivative) @ $0 · +1 more | EDGAR |
| 2025-01-03 | 4 | ZUORA INC (ZUO) | Option exercise (M): 12,500 @ $0 · Option exercise (M): 58,333 @ $0 · Option exercise (M): 25,000 @ $0 · Sale (S): 48,569 @ $9.93 · Option exercise (M): 12,500 (derivative) @ $0 · Option exercise (M): 58,333 (derivative) @ $0 · +1 more | EDGAR |
| 2024-10-03 | 4 | ZUORA INC (ZUO) | Sale (S): 63,873 @ $8.34 | EDGAR |
| 2024-10-02 | 4 | ZUORA INC (ZUO) | Option exercise (M): 12,500 @ $0 · Option exercise (M): 58,333 @ $0 · Option exercise (M): 50,000 @ $0 · Option exercise (M): 12,500 (derivative) @ $0 · Option exercise (M): 58,333 (derivative) @ $0 · Option exercise (M): 50,000 (derivative) @ $0 · +5 more | EDGAR |
| 2024-07-23 | 4 | ZUORA INC (ZUO) | Option exercise (M): 147,200 (derivative) @ $0 · Option exercise (M): 147,200 (derivative) @ $0 · Gift (G): 147,200 (derivative) @ $0 · Gift (G): 147,200 (derivative) @ $0 | EDGAR |
| 2024-07-17 | 4 | ZUORA INC (ZUO) | Option exercise (M): 13,353 @ $0 · Sale (S): 13,353 @ $9.12 · Option exercise (M): 13,353 (derivative) @ $0 · Option exercise (M): 13,353 (derivative) @ $0 · Conversion (C): 13,353 (derivative) @ $0 | EDGAR |
| 2024-07-15 | 4 | ZUORA INC (ZUO) | Option exercise (M): 28,891 @ $0 · Sale (S): 28,891 @ $9.00 · Option exercise (M): 11,200 @ $0 · Sale (S): 11,200 @ $9.00 · Option exercise (M): 81,731 @ $0 · Sale (S): 81,731 @ $9.05 · +9 more | EDGAR |
| 2024-07-10 | 4 | ZUORA INC (ZUO) | Option exercise (M): 114,825 @ $0 · Sale (S): 114,825 @ $9.05 · Option exercise (M): 114,825 (derivative) @ $0 · Option exercise (M): 114,825 (derivative) @ $0 · Conversion (C): 114,825 (derivative) @ $0 | EDGAR |
| 2024-07-02 | 4 | ZUORA INC (ZUO) | Option exercise (M): 12,500 @ $0 · Option exercise (M): 58,333 @ $0 · Sale (S): 70,833 @ $9.73 · Option exercise (M): 12,500 (derivative) @ $0 · Option exercise (M): 58,333 (derivative) @ $0 | EDGAR |
| 2024-04-24 | 4 | ZUORA INC (ZUO) | Grant/award (A): 300,000 (derivative) @ $0 · Grant/award (A): 300,000 (derivative) @ $0 · Option exercise (M): 115,500 (derivative) @ $0 · Option exercise (M): 115,500 (derivative) @ $0 · Gift (G): 115,500 (derivative) @ $0 · Gift (G): 115,500 (derivative) @ $0 | EDGAR |
| 2024-04-19 | 4 | ZUORA INC (ZUO) | Option exercise (M): 239,198 @ $0 · Sale (S): 239,198 @ $9.44 · Option exercise (M): 239,198 (derivative) @ $0 · Option exercise (M): 239,198 (derivative) @ $0 · Conversion (C): 239,198 (derivative) @ $0 | EDGAR |
| 2024-04-02 | 4 | ZUORA INC (ZUO) | Option exercise (M): 12,500 @ $0 · Option exercise (M): 58,333 @ $0 · Option exercise (M): 10,802 @ $0 · Sale (S): 81,635 @ $8.87 · Option exercise (M): 12,500 (derivative) @ $0 · Option exercise (M): 58,333 (derivative) @ $0 · +3 more | EDGAR |
| 2024-01-26 | 4 | ZUORA INC (ZUO) | Option exercise (M): 136,800 (derivative) @ $0 · Option exercise (M): 136,800 (derivative) @ $0 · Gift (G): 136,800 (derivative) @ $0 · Gift (G): 136,800 (derivative) @ $0 | EDGAR |
| 2024-01-24 | 4 | ZUORA INC (ZUO) | Option exercise (M): 6,909 @ $0 · Sale (S): 6,909 @ $9.00 · Option exercise (M): 229,248 @ $0 · Sale (S): 229,248 @ $9.26 · Option exercise (M): 6,909 (derivative) @ $0 · Option exercise (M): 6,909 (derivative) @ $0 · +4 more | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1735409 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →