Skates Spenser
SEC insider (Form 3/4/5 filer). CIK 0001882913. CEO and President at Amplitude, Inc. (AMPL). 19 reported Form 4/5 transactions since Sep 2024; latest on Oct 2, 2026. Located in SAN FRANCISCO, CA.
Companies Skates Spenser has filed insider reports for
- Amplitude, Inc. (AMPL): Director, Officer, 10% Owner, CEO and President
Skates Spenser
CIK: 0001882913
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)7 (36.8%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)1 (5.3%)
Compensation grants
Other (G, F, J, C, D, …)11 (57.9%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
AMPL
Amplitude, Inc.
DirectorOfficer10% Owner
Discretionary Trading P&L
Holdings
Transaction History (19 total)
- Oct 2, 2026AMPL
Amplitude, Inc.
ConversionIndirect70.1K shares- - Oct 2, 2026AMPL
Amplitude, Inc.
SaleIndirect70.1K shares at avg. $14.52$1.0M - Oct 1, 2026AMPL
Amplitude, Inc.
ConversionIndirect3.5K shares- - Oct 1, 2026AMPL
Amplitude, Inc.
SaleIndirect3.5K shares at avg. $14.45$51K - Sep 30, 2026AMPL
Amplitude, Inc.
SaleIndirect1.4K shares at avg. $14.45$20K - Sep 30, 2026AMPL
Amplitude, Inc.
ConversionIndirect1.4K shares- - Sep 10, 2026AMPL
Amplitude, Inc.
SaleIndirect185K shares at avg. $12.30$2.3M - Sep 10, 2026AMPL
Amplitude, Inc.
ConversionIndirect185K shares- - Aug 17, 2026AMPL
Amplitude, Inc.
Tax PaymentDirect52.4K shares at avg. $13.03$682K - May 15, 2026AMPL
Amplitude, Inc.
Tax PaymentDirect39.6K shares at avg. $6.06$240K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 2, 2026 | AMPL Amplitude, Inc. | Conversion | 70,087 | - | $0 | Indirect |
| Oct 2, 2026 | AMPL Amplitude, Inc. | Sale | 70,087 | $14.52 | $1,017,684 | Indirect |
| Oct 1, 2026 | AMPL Amplitude, Inc. | Conversion | 3,539 | - | $0 | Indirect |
| Oct 1, 2026 | AMPL Amplitude, Inc. | Sale | 3,539 | $14.45 | $51,139 | Indirect |
| Sep 30, 2026 | AMPL Amplitude, Inc. | Sale | 1,374 | $14.45 | $19,858 | Indirect |
| Sep 30, 2026 | AMPL Amplitude, Inc. | Conversion | 1,374 | - | $0 | Indirect |
| Sep 10, 2026 | AMPL Amplitude, Inc. | Sale | 185,000 | $12.30 | $2,275,611 | Indirect |
| Sep 10, 2026 | AMPL Amplitude, Inc. | Conversion | 185,000 | - | $0 | Indirect |
| Aug 17, 2026 | AMPL Amplitude, Inc. | Tax Payment | 52,369 | $13.03 | $682,368 | Direct |
| May 15, 2026 | AMPL Amplitude, Inc. | Tax Payment | 39,562 | $6.06 | $239,746 | Direct |
1-10 of 19 transactions