InsiderTape plots every Form 4 on the price chart and flags cluster buys, CEO conviction, and first buys in years the moment they file. Start a free 7-day trial, cancel anytime.
START FREE TRIAL →William Spencer Marshall, Co-Founder and CEO, is a corporate insider tracked by InsiderTape across 1 company. The public record shows 5 open-market SEC Form 4 transactions: 2 purchases worth $394K and 3 sales worth $12.2M, reported from Dec 22, 21 to Jul 10, 26. Over this period they have been a mix of buying and selling.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Jul 10, 26 | PLPlanet Labs PBC | SELL | 200.0K | $25.92 | $5.2M |
| Dec 26, 25 | PLPlanet Labs PBC | SELL | 200.0K | $19.36 | $3.9M |
| Oct 13, 25 | PLPlanet Labs PBC | SELL | 200.0K | $15.50 | $3.1M |
| Sep 19, 23 | PLPlanet Labs PBC | BUY | 100.0K | $2.70 | $270K |
| Dec 22, 21 | PLPlanet Labs PBC | BUY | 19.2K | $6.47 | $124K |