Porteous William (CIK 1856453) reported 7 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-01). Recent activity: Buy SPIR (7,261 shares), Buy SPIR (1,896 shares), Buy SPIR (3,249 shares), Buy SPIR (2,136 shares), Buy SPIR (2,065 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-01 | Spire Global, Inc. (SPIR) | Director | Buy | 7,261 | $0 |
| 2026-04-03 | Spire Global, Inc. (SPIR) | Director | Buy | 1,896 | $25,368 |
| 2026-01-05 | Spire Global, Inc. (SPIR) | Director | Buy | 3,249 | $25,375 |
| 2025-10-02 | Spire Global, Inc. (SPIR) | Director | Buy | 2,136 | $24,115 |
| 2025-07-02 | Spire Global, Inc. (SPIR) | Director | Buy | 2,065 | $23,334 |
| 2025-06-09 | Spire Global, Inc. (SPIR) | Director | Buy | 15,909 | $0 |
| 2025-04-03 | Spire Global, Inc. (SPIR) | Director | Buy | 2,880 | $22,867 |
Source: SEC Form 4 filings · as of 2026-06-01