8 Form 4 filings for SPIR between 2026-07-17 and 2026-08-25, from 8 filers. 6 discretionary (6 sales, 0 purchases), 2 routine grant or withholding filings. None state a filing-level total — that aggregate began on 2026-08-17 — so each row below shows only its largest transaction. Prices ran $14 to $18.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-08-25 | Messer Stephen | sold | 17,986 | $14.06 | — | — | |
| 2026-08-24 | ENGEL ALISON K | sold | 4,286 | $14.09 | — | — | |
| 2026-08-24 | Condor Theresa | sold | 22,502 | $14.09 | — | — | |
| 2026-08-24 | Oehme Johann Gabriel | sold | 2,989 | $14.09 | — | — | |
| 2026-08-24 | Pelez Perez Celia | sold | 4,484 | $14.09 | — | — | |
| 2026-08-24 | Platzer Peter | sold | 5,100 | $14.09 | — | — | |
| 2026-08-05 | Mellinger Eric M. | received | 150,000 | — | — | — | |
| 2026-07-17 | Porteous William | received | 1,516 | $18.38 | — | — | |
| 8 filings · 8 filers · disclosed totals only | $0 (0/8) | — | |||||