AMPL insider transaction filings
Amplitude, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-18. Screen AMPL transaction legs live →
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-18 | 4 | Skates Spenser — CEO and President, Director, 10% owner | Tax withholding (F): 52,369 @ $13.03 | EDGAR |
| 2026-08-18 | 4 | Liu Curtis — Chief Technology Officer, Director, 10% owner | Tax withholding (F): 53,878 @ $13.03 | EDGAR |
| 2026-08-18 | 4 | Casey Andrew — Chief Financial Officer | Tax withholding (F): 72,814 @ $13.03 | EDGAR |
| 2026-08-18 | 4 | Crook Nathaniel Glenn — Chief Commercial Officer | Tax withholding (F): 109,368 @ $13.03 | EDGAR |
| 2026-07-10 | 4 | Liu Curtis — Chief Technology Officer, Director, 10% owner | Gift (G): 175,000 (derivative) @ $0 · Gift (G): 175,000 (derivative) @ $0 | EDGAR |
| 2026-07-07 | 4 | Tzuo Tien — Director | Grant/award (A): 1,521 @ $0 | EDGAR |
| 2026-07-07 | 4 | Schultz Erica — Director | Grant/award (A): 1,659 @ $0 | EDGAR |
| 2026-06-16 | 4/A | Liu Curtis — Chief Technology Officer, Director, 10% owner | Sale (S): 22,786 @ $8.03 | EDGAR |
| 2026-06-15 | 4 | Wong Catherine — Director | Sale (S): 7,453 @ $6.79 | EDGAR |
| 2026-06-11 | 4 | Wong Catherine — Director | Grant/award (A): 24,857 @ $0 | EDGAR |
| 2026-06-11 | 4 | Grady Patrick W — Director, 10% owner | Grant/award (A): 24,857 @ $0 | EDGAR |
| 2026-06-11 | 4 | Schultz Erica — Director | Grant/award (A): 24,857 @ $0 | EDGAR |
| 2026-06-11 | 4 | Gill Ronald S — Director | Grant/award (A): 24,857 @ $0 | EDGAR |
| 2026-06-11 | 4 | Whitehurst James M — Director | Grant/award (A): 24,857 @ $0 | EDGAR |
| 2026-06-03 | 4 | Liu Curtis — Chief Technology Officer, Director, 10% owner | Sale (S): 22,201 @ $8.03 | EDGAR |
| 2026-05-19 | 4 | Crook Nathaniel Glenn — Chief Commercial Officer | Tax withholding (F): 101,292 @ $6.06 | EDGAR |
| 2026-05-19 | 4 | Casey Andrew — Chief Financial Officer | Tax withholding (F): 64,872 @ $6.06 | EDGAR |
| 2026-05-19 | 4 | Liu Curtis — Chief Technology Officer, Director, 10% owner | Tax withholding (F): 40,279 @ $6.06 | EDGAR |
| 2026-05-19 | 4 | Skates Spenser — CEO and President, Director, 10% owner | Tax withholding (F): 39,562 @ $6.06 | EDGAR |
| 2026-05-06 | 4 | Liu Curtis — Chief Technology Officer, Director, 10% owner | Sale (S): 17,586 @ $8.12 | EDGAR |
| 2026-04-22 | 4 | Skates Spenser — CEO and President, Director, 10% owner | Grant/award (A): 1,323,119 @ $0 | EDGAR |
| 2026-04-17 | 4 | Crook Nathaniel Glenn — Chief Commercial Officer | Grant/award (A): 278,551 @ $0 · Grant/award (A): 974,930 @ $0 | EDGAR |
| 2026-04-17 | 4 | Casey Andrew — Chief Financial Officer | Grant/award (A): 431,754 @ $0 | EDGAR |
| 2026-04-17 | 4 | Liu Curtis — Chief Technology Officer, Director, 10% owner | Grant/award (A): 417,827 @ $0 | EDGAR |
| 2026-04-07 | 4 | Tzuo Tien — Director | Grant/award (A): 1,538 @ $0 | EDGAR |
| 2026-04-07 | 4 | Schultz Erica — Director | Grant/award (A): 1,678 @ $0 | EDGAR |
| 2026-03-10 | 4 | Liu Curtis — Chief Technology Officer, Director, 10% owner | Sale (S): 33,201 @ $8.01 | EDGAR |
| 2026-03-09 | 4 | Liu Curtis — Chief Technology Officer, Director, 10% owner | Sale (S): 30,061 @ $8.00 | EDGAR |
| 2026-02-17 | 4 | Casey Andrew — Chief Financial Officer | Tax withholding (F): 39,438 @ $6.34 | EDGAR |
| 2026-02-17 | 4 | Liu Curtis — Chief Technology Officer, Director, 10% owner | Tax withholding (F): 26,672 @ $6.34 | EDGAR |
| 2026-02-17 | 4 | HANSEN THOMAS NEERGAARD — President | Tax withholding (F): 69,142 @ $6.34 | EDGAR |
| 2026-01-07 | 4 | Tzuo Tien — Director | Grant/award (A): 999 @ $0 | EDGAR |
| 2025-12-30 | 4 | Skates Spenser — Chief Executive Officer, Director, 10% owner | Conversion (C): 100 @ $0 · Sale (S): 100 @ $12 · Conversion (C): 100 (derivative) @ $0 | EDGAR |
| 2025-12-29 | 4 | Skates Spenser — Chief Executive Officer, Director, 10% owner | Conversion (C): 42,743 @ $0 · Sale (S): 42,743 @ $12.01 · Conversion (C): 42,743 (derivative) @ $0 | EDGAR |
| 2025-12-17 | 4 | Schultz Erica — Director | Option exercise (M): 10,000 @ $4.19 · Sale (S): 10,000 @ $10.88 · Option exercise (M): 10,000 (derivative) @ $4.19 | EDGAR |
| 2025-11-19 | 4 | Schultz Erica — Director | Option exercise (M): 10,000 @ $4.19 · Sale (S): 10,000 @ $10.23 · Option exercise (M): 10,000 (derivative) @ $4.19 | EDGAR |
| 2025-11-18 | 4 | Casey Andrew — Chief Financial Officer | Tax withholding (F): 54,400 @ $10.73 | EDGAR |
| 2025-11-18 | 4 | Liu Curtis — Chief Technology Officer, Director, 10% owner | Tax withholding (F): 36,092 @ $10.73 | EDGAR |
| 2025-11-18 | 4 | HANSEN THOMAS NEERGAARD — President | Tax withholding (F): 91,618 @ $10.73 | EDGAR |
| 2025-11-13 | 4 | Skates Spenser — Chief Executive Officer, Director, 10% owner | Conversion (C): 400,000 @ $0 · Sale (S): 400,000 @ $10.99 · Conversion (C): 400,000 (derivative) @ $0 | EDGAR |
| 2025-11-12 | 4 | Casey Andrew — Chief Financial Officer | Purchase (P): 30,000 @ $9.99 | EDGAR |
| 2025-10-17 | 4 | Schultz Erica — Director | Option exercise (M): 10,000 @ $4.19 · Sale (S): 10,000 @ $10.12 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2025-10-07 | 4 | Tzuo Tien — Director | Grant/award (A): 977 @ $0 | EDGAR |
| 2025-09-17 | 4 | Schultz Erica — Director | Option exercise (M): 10,000 @ $4.19 · Sale (S): 10,000 @ $11.06 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2025-08-19 | 4 | Casey Andrew — Chief Financial Officer | Tax withholding (F): 54,399 @ $11.47 | EDGAR |
| 2025-08-19 | 4 | Liu Curtis — Chief Technology Officer, Director, 10% owner | Tax withholding (F): 34,301 @ $11.47 | EDGAR |
| 2025-08-19 | 4 | HANSEN THOMAS NEERGAARD — President | Tax withholding (F): 95,809 @ $11.47 | EDGAR |
| 2025-08-19 | 4 | Schultz Erica — Director | Option exercise (M): 7,500 @ $4.19 · Sale (S): 7,500 @ $11.46 · Option exercise (M): 7,500 (derivative) @ $4.19 | EDGAR |
| 2025-08-06 | 4 | Skates Spenser — Chief Executive Officer, Director, 10% owner | Gift (G): 1,010,000 (derivative) @ $0 · Gift (G): 1,010,000 (derivative) @ $0 | EDGAR |
| 2025-07-17 | 4 | Schultz Erica — Director | Option exercise (M): 7,500 @ $4.19 · Option exercise (M): 7,500 @ $4.19 · Sale (S): 7,500 @ $12.56 · Option exercise (M): 7,500 (derivative) @ $4.19 · Option exercise (M): 7,500 (derivative) @ $4.19 | EDGAR |
Recent 8-K events — Amplitude, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-10 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-24 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-18 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-06-12 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2025-05-07 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-04-01 | 8-K | 1.01 — Entry into a Material Definitive Agreement | EDGAR |
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