SS
Spenser Skates (Chief Executive Officer) filed 6 Form 4 reports in the trailing twelve months (0 purchases, 6 sales), most often in Amplitude, Inc. (AMPL). The largest single filing was $4.4M of AMPL (400,000 sh × $10.99, as filed), executed Nov 11 2025. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
6
0 buys · 6 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$5.8M
shares × price, as filed
Last traded
Oct 28
Filed Oct 28
Median ADV $27.0M across their filed names
Open performance→Volume by month
Buys $0
Sells $10.2M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Technology
6 filings
Sector per market data · by filing · past 12 months
Most traded names
AMPLRecent filings
AMPLSALE
Amplitude, Inc.
View filing →
$117K6,651 sh × $17.53
Exec Oct 28
Filed Oct 28 · 5:45 PM ET AMPLSALE Amplitude, Inc. View filing → $1.9M
107,136 sh × $17.52
Exec Oct 23
Filed Oct 27 · 4:45 PM ET AMPLSALE Amplitude, Inc. View filing → $1.0M
70,087 sh × $14.52
Exec Oct 2
Filed Oct 6 · 4:17 PM ET AMPLSALE Amplitude, Inc. View filing → $2.3M
185,000 sh × $12.30
Exec Sep 10
Filed Sep 14 · 4:59 PM ET AMPLSALE Amplitude, Inc. View filing → $513K
42,743 sh × $12.01
Exec Dec 24 2025
Filed Dec 29 2025 · 5:30 PM ET AMPLSALE Amplitude, Inc. View filing → $4.4M
400,000 sh × $10.99
Exec Nov 11 2025
Filed Nov 13 2025 · 5:30 PM ET