Marshall William Spencer (CIK 1898468) reported 25 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-17). Recent activity: Sell PL (134,641 shares), Sell PL (155,000 shares), Sell PL (200,000 shares), Buy PL (77,744 shares), Sell PL (39,572 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-17 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 134,641 | $4.1M |
| 2026-04-24 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 155,000 | $0 |
| 2026-04-08 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 200,000 | $7.0M |
| 2026-03-23 | Planet Labs PBC (PL) | Co-Founder and CEO | Buy | 77,744 | $0 |
| 2026-03-23 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 39,572 | $1.1M |
| 2026-03-16 | Planet Labs PBC (PL) | Co-Founder and CEO | Buy | 393,212 | $0 |
| 2026-03-16 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 122,167 | $3.0M |
| 2026-02-05 | Planet Labs PBC (PL) | Co-Founder and CEO | Buy | 123,900 | $0 |
| 2026-02-05 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 63,041 | $1.5M |
| 2026-01-23 | Planet Labs PBC (PL) | Co-Founder and CEO | Buy | 123,897 | $0 |
| 2026-01-23 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 63,039 | $1.7M |
| 2026-01-15 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 120,522 | $3.1M |
| 2026-01-15 | Planet Labs PBC (PL) | Co-Founder and CEO | Buy | 247,794 | $0 |
| 2025-12-30 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 200,000 | $3.9M |
| 2025-12-16 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 121,897 | $2.2M |
| 2025-10-15 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 200,000 | $3.1M |
| 2025-09-16 | Planet Labs PBC (PL) | Co-Founder and CEO | Buy | 36,586 | $0 |
| 2025-09-16 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 18,579 | $183,189 |
| 2025-09-16 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 121,897 | $1.2M |
| 2025-07-15 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 200,000 | $0 |
| 2025-06-16 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 114,980 | $617,443 |
| 2025-03-21 | Planet Labs PBC (PL) | Co-Founder and CEO | Buy | 166,667 | $0 |
| 2025-03-21 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 75,874 | $321,706 |
| 2025-03-17 | Planet Labs PBC (PL) | Co-Founder and CEO | Sell | 65,844 | $273,911 |
| 2025-03-12 | Planet Labs PBC (PL) | Co-Founder and CEO | Buy | 946,970 | $0 |
Source: SEC Form 4 filings · as of 2026-06-17