CIK 0001866692 · Large accelerated filer
Amplitude, Inc.
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- AMPL
- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- Phone
- (415) 231-2353
- Business address
- 201 THIRD STREET, SUITE 200, SAN FRANCISCO, CA, 94103
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $9,278,482
- in 8 filings, $9.3M under 10b5-1 plans
Net −$9,278,482. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-07-08 | Liu Curtis Chief Technology Officer | Gift · Class B Common Stock | −175,000 | 7,207,208 | ||
| 2026-07-08 | Liu Curtis Chief Technology Officer | Gift · Class B Common Stock | +175,000 | 175,000 | ||
| 2026-07-05 | Tzuo Tien Director | Grant or award | +1,521 | 101,601 | ||
| 2026-07-05 | Schultz Erica Director | Grant or award | +1,659 | 143,100 | ||
| 2026-06-12 | Wong Catherine Director | Sale 10b5-1 | −7,453 | $6.79 | $51K | 111,462 |
| 2026-06-09 | Wong Catherine Director | Grant or award | +24,857 | 118,915 | ||
| 2026-06-09 | Grady Patrick W Director | Grant or award | +24,857 | 85,806 | ||
| 2026-06-09 | Schultz Erica Director | Grant or award | +24,857 | 141,441 | ||
| 2026-06-09 | Gill Ronald S Director | Grant or award | +24,857 | 99,535 | ||
| 2026-06-09 | Whitehurst James M Director | Grant or award | +24,857 | 187,201 | ||
| 2026-06-01 | Liu Curtis Chief Technology Officer | Sale 10b5-1 | −22,786 | $8.03 | $183K | 1,004,194 |
| 2026-06-01 | Liu Curtis Chief Technology Officer | Sale 10b5-1 | −22,201 | $8.03 | $178K | 1,004,779 |
| 2026-05-15 | Crook Nathaniel Glenn Chief Commercial Officer | Shares withheld for taxes | −101,292 | $6.06 | $614K | 2,032,064 |
| 2026-05-15 | Casey Andrew Chief Financial Officer | Shares withheld for taxes | −64,872 | $6.06 | $393K | 1,436,152 |
| 2026-05-15 | Liu Curtis Chief Technology Officer | Shares withheld for taxes | −40,279 | $6.06 | $244K | 1,026,980 |
| 2026-05-15 | Skates Spenser CEO and President | Shares withheld for taxes | −39,562 | $6.06 | $240K | 1,283,557 |
| 2026-05-04 | Liu Curtis Chief Technology Officer | Sale 10b5-1 | −17,586 | $8.12 | $143K | 1,067,259 |
| 2026-04-21 | Skates Spenser CEO and President | Grant or award | +1,323,119 | 1,323,119 | ||
| 2026-04-15 | Crook Nathaniel Glenn Chief Commercial Officer | Grant or award | +278,551 | 1,156,096 | ||
| 2026-04-15 | Crook Nathaniel Glenn Chief Commercial Officer | Grant or award | +974,930 | 2,131,026 |
Page 3 of 48 · 949 trades