| $164M | ||
| $143M | ||
| $143M | ||
| $76M | ||
| $60M | ||
| $35M |
Buys | $539,555 | 2 | 11 |
Sells | $6,896,866 | 17 | 89 |
| Casey Andrew | Chief Financial Officer | 2 | $539,555 | 0 | $0 | $539,555 |
| Wong Catherine | director | 0 | $0 | 3 | $189,846 | $-189,846 |
| Vishria Eric | director | 0 | $0 | 4 | $864,249 | $-864,249 |
| Schultz Erica | director | 0 | $0 | 7 | $932,818 | $-932,818 |
| Skates Spenser | Chief Executive Officer | 0 | $0 | 3 | $4.91M | $-4.91M |
Amplitude, Inc. provides a digital optimization system to analyze customer behavior within digital products in the United States and internationally. It offers Amplitude analytics for insights of customer behavior; Amplitude Recommend, a no-code personalization solution that helps to increase customer engagement by adapting digital products and campaigns to every user based on behavior; Amplitude Experiment, an integrated solution that enables teams to determine and deliver the product experiences for their customers through A/B tests and controlled feature releases; Amplitude Behavioral Graph, a proprietary database for deep, real-time interactive behavioral analysis, and behavior-driven personalization – instantly joining, analyzing, and correlating any customer actions to outcomes, such as engagement, growth, and loyalty; and data management, a real-time data layer for planning, integrating, and managing data sources to create a foundation with identity resolution, enterprise-level security, and privacy solutions. The company also provides customer support services related to initial implementation setup, ongoing support, and application training. It delivers its application over the Internet as a subscription service using a software-as-a-service model. The company was formerly known as Sonalight, Inc. and changed its name to Amplitude, Inc. in December 2014. Amplitude, Inc. was incorporated in 2011 and is headquartered in San Francisco, California.
Over the last 12 months, insiders at Amplitude, Inc. have bought $539,555 and sold $6.9M worth of Amplitude, Inc. stock.
On average, over the past 5 years, insiders at Amplitude, Inc. have bought $33.48M and sold $140.69M worth of stock each year.
Highest buying activity among insiders over the last 12 months: Casey Andrew (Chief Financial Officer) — $539,555.
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.
| 2025-12-26 | Sale | Skates Spenser | Chief Executive Officer | 100 <0.0001% | $12.00 | $1,200 | -5.45% | |
| 2025-12-24 | Sale | Skates Spenser | Chief Executive Officer | 42,743 0.0322% | $12.01 | $513,433 | -4.70% | |
| 2025-12-15 | Sale | Schultz Erica | director | 10,000 0.0076% | $10.88 | $108,758 | +6.88% | |
| 2025-11-17 | Sale | Schultz Erica | director | 10,000 0.0077% | $10.23 | $102,295 | +11.55% | |
| 2025-11-11 | Sale | Skates Spenser | Chief Executive Officer | 400,000 0.3313% | $10.99 | $4.4M | -1.34% | |
| 2025-11-07 | Casey Andrew | Chief Financial Officer | 30,000 0.0225% | $9.99 | $299,790 | +10.19% | ||
| 2025-10-15 | Sale | Schultz Erica | director | 10,000 0.0076% | $10.12 | $101,229 | +6.24% | |
| 2025-09-15 | Sale | Schultz Erica | director | 10,000 0.0077% | $11.06 | $110,633 | -1.38% | |
| 2025-08-15 | Sale | Schultz Erica | director | 7,500 0.0057% | $11.46 | $85,968 | -4.71% | |
| 2025-07-15 | Sale | Schultz Erica | director | 7,500 0.0057% | $12.56 | $94,205 | -11.90% | |
| 2025-06-11 | Sale | Schultz Erica | director | 26,394 0.0205% | $12.49 | $329,730 | -7.92% | |
| 2025-06-11 | Sale | Wong Catherine | director | 8,502 0.0066% | $12.49 | $106,204 | -7.92% | |
| 2025-05-19 | Sale | Wong Catherine | director | 3,515 0.0027% | $11.75 | $41,306 | -2.80% | |
| 2025-05-12 | Sale | Vishria Eric | director | 10,000 0.0077% | $12.00 | $120,000 | -4.34% | |
| 2025-05-08 | Sale | Vishria Eric | director | 25,000 0.0183% | $10.15 | $253,658 | +9.05% | |
| 2025-03-13 | Casey Andrew | Chief Financial Officer | 21,000 0.0163% | $11.42 | $239,765 | -0.57% | ||
| 2025-03-11 | Sale | Wong Catherine | director | 3,515 0.0027% | $12.04 | $42,336 | -5.58% | |
| 2025-02-24 | Sale | Vishria Eric | director | 35,000 0.0258% | $12.80 | $447,836 | -10.94% | |
| 2025-01-28 | Sale | Vishria Eric | director | 3,563 0.0027% | $12.00 | $42,756 | -8.26% | |
| 2024-12-13 | Sale | Vishria Eric | director | 6,437 0.0052% | $12.02 | $77,353 | -3.23% |
| Casey Andrew | Chief Financial Officer | 1160608 0.868% | $12.65M | 2 | 0 | |
| Vishria Eric | director | 329621 0.2465% | $3.59M | 0 | 7 | |
| Schultz Erica | director | 114906 0.0859% | $1.25M | 0 | 7 | |
| Wong Catherine | director | 79152 0.0592% | $862,756.80 | 0 | 17 | |
| Skates Spenser | Chief Executive Officer | 0 0% | $0 | 0 | 6 | |
| HANSEN THOMAS NEERGAARD | President | 914616 0.684% | $9.97M | 0 | 4 | |
| Benchmark Capital Management Co. VIII, L.L.C. | 10 percent owner | 526430 0.3937% | $5.74M | 0 | 1 | |
| Harms Christopher | Chief Financial Officer | 393391 0.2942% | $4.29M | 0 | 1 | |
| Agrawal Neeraj | 10 percent owner | 327766 0.2451% | $3.57M | 2 | 1 | |
| Battery Ventures Select Fund I, L.P. | 10 percent owner | 327766 0.2451% | $3.57M | 0 | 1 | |
| LASKY MITCHELL | 247879 0.1854% | $2.7M | 0 | 1 | ||
| Cohler Matt | 10 percent owner | 188753 0.1412% | $2.06M | 0 | 2 | |
| Tavel Sarah E | 115087 0.0861% | $1.25M | 0 | 2 | ||
| Sarkis Ninos | Chief Accounting Officer | 83891 0.0627% | $914,411.90 | 0 | 6 | |
| FENTON PETER H | 10 percent owner | 83677 0.0626% | $912,079.30 | 0 | 2 | |
| Liu Curtis | Chief Technology Officer | 79228 0.0593% | $863,585.20 | 0 | 1 | |
| Phelps Dennis B | 10 percent owner | 70510 0.0527% | $768,559.00 | 0 | 1 | |
| Chaffee Todd C | 10 percent owner | 58401 0.0437% | $636,570.90 | 0 | 2 | |
| Heinz Matthew | Chief Revenue Officer | 44247 0.0331% | $482,292.30 | 0 | 4 | |
| Institutional Venture Management XV, LLC | 10 percent owner | 44159 0.033% | $481,333.10 | 0 | 1 | |
| Institutional Venture Partners XV Executive Fund, L.P. | 10 percent owner | 44159 0.033% | $481,333.10 | 0 | 1 | |
| Battery Management Corp. | 10 percent owner | 29930 0.0224% | $326,237.00 | 0 | 2 | |
| Battery Partners XI, LLC | 10 percent owner | 29930 0.0224% | $326,237.00 | 0 | 2 | |
| Feldman Jesse | 10 percent owner | 22641 0.0169% | $246,786.90 | 0 | 2 | |
| GURLEY J WILLIAM | 2100 0.0016% | $22,890.00 | 0 | 3 | ||
| Hu An-Yen | 10 percent owner | 240 0.0002% | $2,616.00 | 0 | 1 | |
| SPURLOCK STEVEN M | 10 percent owner | 0 0% | $0 | 0 | 3 | |
| TOBIN SCOTT R | 10 percent owner | 0 0% | $0 | 0 | 1 | |
| SC US (TTGP), LTD. | 10 percent owner | 0 0% | $0 | 3 | 7 | <0.0001% |
| Puttagunta Chetan | 0 0% | $0 | 0 | 1 | ||
| Grady Patrick W | 0 0% | $0 | 3 | 5 | <0.0001% | |
| Elhafed Morad | 10 percent owner | 0 0% | $0 | 0 | 1 | |
| Thakker Dharmesh | 10 percent owner | 0 0% | $0 | 0 | 1 | |
| Johnson Jennifer L. | See remarks | 0 0% | $0 | 0 | 4 | |
| Vuong Hoang | Chief Financial Officer | 0 0% | $0 | 0 | 4 |
$4,137,988 | 164 | -10.35% | $906.24M | |
$6,504,292 | 59 | 52.87% | $737.29M | |
$12,052,963 | 53 | 54.07% | $1.05B | |
$233,009,488 | 29 | 94.46% | $1.39B | |
$1,552,971 | 25 | 27.46% | $1.25B | |
$843,524 | 18 | 9.21% | $1.52B | |
$28,162,283 | 18 | -2.21% | $875.72M | |
$2,466,154 | 15 | 30.93% | $2.26B | |
$19,458,110 | 12 | 25.34% | $2.13B | |
$182,900 | 11 | 59.19% | $842.63M | |
$1,649,934 | 9 | -12.03% | $1.73B | |
$348,831,386 | 8 | -27.30% | $1.93B | |
$684,183 | 7 | -7.74% | $1.82B | |
Amplitude, Inc. (AMPL) | $99,903,257 | 6 | -22.61% | $1.46B |
$1,231,228 | 5 | 13.82% | $1.83B | |
$92,300 | 3 | -2.05% | $1.15B | |
$7,201,200 | 2 | -31.10% | $1.13B | |
$1,018,810 | 2 | 22.99% | $2.33B | |
$364,000 | 1 | 68.79% | $1.77B |
| Increased Positions | 129 | +77.71% | 16M | +20.93% |
| Decreased Positions | 68 | -40.96% | 16M | -20.27% |
| New Positions | 42 | New | 4M | New |
| Sold Out Positions | 22 | Sold Out | 8M | Sold Out |
| Total Postitions | 227 | +36.75% | 78M | +0.66% |
| 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 |