| $255M | ||
| $48M | ||
| $38M | ||
| $37M | ||
| $34M | ||
| $34M |
Buys | $299,790 | 1 | 5 |
Sells | $15,264,525 | 18 | 95 |
| Casey Andrew | Chief Financial Officer | 1 | $299,790 | 0 | $0 | $299,790 |
| Wong Catherine | director | 0 | $0 | 1 | $50,580 | $-50,580 |
| Schultz Erica | director | 0 | $0 | 2 | $211,053 | $-211,053 |
| Liu Curtis | Chief Technology Officer | 0 | $0 | 4 | $832,135 | $-832,135 |
| Crook Nathaniel Glenn | Chief Commercial Officer | 0 | $0 | 1 | $3.9M | $-3.9M |
| Skates Spenser | Chief Executive Officer | 0 | $0 | 10 | $10.27M | $-10.27M |
Amplitude, Inc. offers a sophisticated digital optimization platform to businesses across the United States and globally, focusing on analyzing and enhancing customer behavior within their digital products. The company's extensive product portfolio includes: Amplitude Analytics, which provides critical insights into user actions. Amplitude Recommend, a codeless personalization tool designed to boost customer engagement by dynamically adjusting digital products and campaigns based on individual user behavior. Amplitude Experiment, an integrated …
Over the last 12 months, insiders at Amplitude, Inc. have bought $299,790 and sold $15.26M worth of Amplitude, Inc. stock.
On average, over the past 5 years, insiders at Amplitude, Inc. have bought $33.48M and sold $29.94M worth of stock each year.
Highest buying activity among insiders over the last 12 months: Casey Andrew (Chief Financial Officer) — $299,790.
The last purchase of 30,000 shares for transaction amount of $299,790 was made by Casey Andrew (Chief Financial Officer) on 2025‑11‑07.
| 2026-10-28 | Sale | Skates Spenser | CEO and President | 6,651 0.005% | $17.53 | $116,564 | -2.75% | |
| 2026-10-26 | Sale | Skates Spenser | CEO and President | 300 0.0002% | $17.46 | $5,239 | -1.21% | |
| 2026-10-23 | Sale | Skates Spenser | CEO and President | 107,136 0.0833% | $17.52 | $1.88M | -1.84% | |
| 2026-10-02 | Sale | Skates Spenser | CEO and President | 70,087 0.0542% | $14.52 | $1.02M | +8.57% | |
| 2026-10-01 | Sale | Skates Spenser | CEO and President | 3,539 0.0027% | $14.45 | $51,139 | +9.79% | |
| 2026-09-30 | Sale | Skates Spenser | CEO and President | 1,374 0.0011% | $14.45 | $19,858 | +13.25% | |
| 2026-09-10 | Sale | Skates Spenser | CEO and President | 185,000 0.1412% | $12.30 | $2.28M | +19.06% | |
| 2026-09-04 | Sale | Crook Nathaniel Glenn | Chief Commercial Officer | 300,000 0.2314% | $12.99 | $3.9M | +13.36% | |
| 2026-06-12 | Sale | Wong Catherine | director | 7,453 0.0055% | $6.79 | $50,580 | +88.10% | |
| 2026-06-01 | Sale | Liu Curtis | Chief Technology Officer | 22,786 0.0157% | $8.03 | $182,878 | +43.51% | |
| 2026-05-04 | Sale | Liu Curtis | Chief Technology Officer | 17,586 0.0133% | $8.12 | $142,877 | +24.50% | |
| 2026-03-06 | Sale | Liu Curtis | Chief Technology Officer | 33,201 0.0253% | $8.01 | $265,840 | +11.34% | |
| 2026-03-05 | Sale | Liu Curtis | Chief Technology Officer | 30,061 0.0229% | $8.00 | $240,539 | +10.61% | |
| 2025-12-26 | Sale | Skates Spenser | Chief Executive Officer | 100 <0.0001% | $12.00 | $1,200 | -26.74% | |
| 2025-12-24 | Sale | Skates Spenser | Chief Executive Officer | 42,743 0.0322% | $12.01 | $513,433 | -26.80% | |
| 2025-12-15 | Sale | Schultz Erica | director | 10,000 0.0076% | $10.88 | $108,758 | -17.58% | |
| 2025-11-17 | Sale | Schultz Erica | director | 10,000 0.0077% | $10.23 | $102,295 | -5.82% | |
| 2025-11-11 | Sale | Skates Spenser | Chief Executive Officer | 400,000 0.3313% | $10.99 | $4.4M | -14.22% | |
| 2025-11-07 | Casey Andrew | Chief Financial Officer | 30,000 0.0225% | $9.99 | $299,790 | -4.10% | ||
| 2025-10-15 | Sale | Schultz Erica | director | 10,000 0.0076% | $10.12 | $101,229 | -4.95% |
| Casey Andrew | Chief Financial Officer | 1160608 0.8751% | $19.54M | 2 | 0 | <0.0001% |
| Agrawal Neeraj | 10 percent owner | 327766 0.2471% | $5.52M | 2 | 1 | |
| SC US (TTGP), LTD. | 10 percent owner | 0 0% | $0 | 3 | 7 | <0.0001% |
| Grady Patrick W | 0 0% | $0 | 3 | 5 | <0.0001% |
$1,702,383,638 | 164 | -24.21% | $2.55B | |
$17,961,727 | 123 | 11.41% | $2.09B | |
$12,052,963 | 53 | 54.07% | $2.44B | |
$2,920,291 | 29 | 25.28% | $1.78B | |
$233,009,488 | 29 | 94.46% | $3.36B |
| Increased Positions | 130 | +63.73% | 14M | +17.32% |
| Decreased Positions | 87 | -42.65% | 11M | -13.46% |
| New Positions | 44 | New | 4M | New |
| Sold Out Positions | 32 | Sold Out | 3M | Sold Out |
| Total Postitions | 247 | +21.08% | 81M | +3.85% |
| Vanguard Group Inc | $108,111.00 | 9.7% | 9.89M | +252,646 | +2.62% | 2025-09-30 |
| Blackrock, Inc. | $104,979.00 | 9.42% | 9.6M | +1M | +12.54% | 2025-09-30 |
| Alliancebernstein L.P. | $65,858.00 | 5.91% | 6.03M | +2M | +44.82% | 2025-09-30 |
| T. Rowe Price Investment Management, Inc. | $55,229.00 | 4.95% | 5.05M | -4M | -43.4% | 2025-09-30 |
| Sc Us (Ttgp), Ltd. | $30,593.00 | 2.74% | 2.8M | 0 | 0% | 2025-09-30 |
| Baillie Gifford & Co | $29,313.00 | 2.63% | 2.68M | +703,328 | +35.55% | 2025-09-30 |
| State Street Corp | $24,496.00 | 2.2% | 2.24M | +53,530 | +2.45% | 2025-09-30 |
| Geode Capital Management, Llc | $24,419.00 | 2.19% | 2.23M | +75,708 | +3.51% | 2025-09-30 |
| Nuveen, Llc | $24,344.00 | 2.18% | 2.23M | +241,116 | +12.14% | 2025-09-30 |
| Millennium Management Llc | $22,534.00 | 2.02% | 2.06M | +155,519 | +8.16% | 2025-09-30 |