Amplitude, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Skates Spenser | Chief Executive Officer | C | 100 | — | — | 100 | Dec 26, 2025 |
| Skates Spenser | Chief Executive Officer | Sale | 42,743 | $12.01 | $513,343 | — | Dec 24, 2025 |
| Schultz Erica | — | Option Exercise | 10,000 | $4.19 | $41,900 | 124,906 | Dec 15, 2025 |
| Schultz Erica | — | Option Exercise | 10,000 | $4.19 | $41,900 | 117,406 | Nov 17, 2025 |
| Liu Curtis | Chief Technology Officer | Tax Withholding | 36,092 | $10.73 | $387,267 | 756,952 | Nov 15, 2025 |
| Casey Andrew | Chief Financial Officer | Tax Withholding | 54,400 | $10.73 | $583,712 | 1,106,208 | Nov 15, 2025 |
| HANSEN THOMAS NEERGAARD | President | Tax Withholding | 91,618 | $10.73 | $983,061 | 1,914,987 | Nov 15, 2025 |
| Skates Spenser | Chief Executive Officer | C | 400,000 | — | — | 400,000 | Nov 11, 2025 |
| Casey Andrew | Chief Financial Officer | Purchase | 30,000 | $9.99 | $299,700 | 1,160,608 | Nov 7, 2025 |
| Schultz Erica | — | Sale | 10,000 | $10.12 | $101,200 | 107,406 | Oct 15, 2025 |
| Tzuo Tien | — | Award / Grant | 977 | — | — | 97,543 | Oct 5, 2025 |
| Schultz Erica | — | Sale | 10,000 | $11.06 | $110,600 | 107,406 | Sep 15, 2025 |
| HANSEN THOMAS NEERGAARD | President | Tax Withholding | 95,809 | $11.47 | $1,098,929 | 2,006,605 | Aug 15, 2025 |
| Casey Andrew | Chief Financial Officer | Tax Withholding | 54,399 | $11.47 | $623,957 | 1,128,108 | Aug 15, 2025 |
| Liu Curtis | Chief Technology Officer | Tax Withholding | 34,301 | $11.47 | $393,432 | 793,044 | Aug 15, 2025 |
| Schultz Erica | — | Sale | 7,500 | $11.46 | $85,950 | 107,406 | Aug 15, 2025 |
| Schultz Erica | — | Option Exercise | 7,500 | $4.19 | $31,425 | 114,906 | Jul 15, 2025 |
| Tzuo Tien | — | Award / Grant | 894 | — | — | 96,566 | Jul 5, 2025 |
| Vishria Eric | — | Award / Grant | 14,906 | — | — | 64,712 | Jun 12, 2025 |
| Grady Patrick W | — | Award / Grant | 14,906 | — | — | 60,949 | Jun 12, 2025 |
| Gill Ronald S | — | Award / Grant | 14,906 | — | — | 74,678 | Jun 12, 2025 |
| Whitehurst James M | — | Award / Grant | 14,906 | — | — | 162,344 | Jun 12, 2025 |
| Schultz Erica | — | Award / Grant | 14,906 | — | — | 107,406 | Jun 12, 2025 |
| Wong Catherine | — | Award / Grant | 14,906 | — | — | 94,058 | Jun 12, 2025 |
| Schultz Erica | — | Sale | 26,394 | $12.49 | $329,661 | 92,500 | Jun 11, 2025 |
| Wong Catherine | — | Sale | 8,502 | $12.49 | $106,190 | 79,152 | Jun 11, 2025 |
| Wong Catherine | — | Sale | 3,515 | $11.75 | $41,301 | 87,654 | May 19, 2025 |
| Liu Curtis | Chief Technology Officer | Tax Withholding | 25,533 | $12.14 | $309,971 | 827,345 | May 15, 2025 |
| HANSEN THOMAS NEERGAARD | President | Tax Withholding | 95,810 | $12.14 | $1,163,133 | 2,102,414 | May 15, 2025 |
| Casey Andrew | Chief Financial Officer | Tax Withholding | 54,399 | $12.14 | $660,404 | 1,182,507 | May 15, 2025 |
| Vishria Eric | — | Other | 1,685,008 | — | — | — | May 12, 2025 |
| Vishria Eric | — | Sale | 25,000 | $10.15 | $253,750 | 261,859 | May 8, 2025 |
| HANSEN THOMAS NEERGAARD | President | Award / Grant | 565,031 | — | — | 2,198,224 | Apr 25, 2025 |
| Casey Andrew | Chief Financial Officer | Award / Grant | 159,914 | — | — | 1,236,906 | Apr 25, 2025 |
| Liu Curtis | Chief Technology Officer | Award / Grant | 852,878 | — | — | 852,878 | Apr 25, 2025 |
| Vishria Eric | — | Award / Grant | 643 | — | — | 49,806 | Apr 5, 2025 |
| Tzuo Tien | — | Award / Grant | 398 | — | — | 95,672 | Apr 5, 2025 |
| Casey Andrew | Chief Financial Officer | Purchase | 21,000 | $11.42 | $239,820 | 1,076,992 | Mar 13, 2025 |
| Wong Catherine | — | Sale | 3,515 | $12.04 | $42,321 | 91,169 | Mar 11, 2025 |
| Vishria Eric | — | Sale | 35,000 | $12.80 | $448,000 | 286,859 | Feb 24, 2025 |
| Tzuo Tien | — | Award / Grant | 44,462 | — | — | 95,274 | Feb 22, 2025 |
| Vishria Eric | — | C | 1,000,000 | — | — | 1,000,000 | Feb 20, 2025 |
| HANSEN THOMAS NEERGAARD | President | Tax Withholding | 60,015 | $12.04 | $722,581 | 1,633,193 | Feb 15, 2025 |
| Casey Andrew | Chief Financial Officer | Tax Withholding | 35,748 | $12.04 | $430,406 | 1,055,992 | Feb 15, 2025 |
| Vishria Eric | — | Sale | 3,563 | $12.00 | $42,756 | 276,208 | Jan 28, 2025 |
| Vishria Eric | — | Award / Grant | 683 | — | — | 49,163 | Jan 5, 2025 |
| Vishria Eric | — | Sale | 6,437 | $12.02 | $77,373 | 279,771 | Dec 13, 2024 |
| Wong Catherine | — | Sale | 3,515 | $9.57 | $33,639 | 94,684 | Nov 18, 2024 |
| Casey Andrew | Chief Financial Officer | Tax Withholding | 33,852 | $9.59 | $324,641 | 1,091,740 | Nov 15, 2024 |
| HANSEN THOMAS NEERGAARD | President | Tax Withholding | 71,757 | $9.59 | $688,150 | 1,693,208 | Nov 15, 2024 |