5 Form 4 filings for NTHI between 2026-07-13 and 2026-08-20, from 3 filers. 4 discretionary (0 sales, 4 purchases), 1 routine grant or withholding filing. 2 of 5 state a filing-level total, summing to $198,580; the rest report only their largest transaction, so the true figure is higher. Prices ran $4 to $6.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-08-20 | CHEN THOMAS C | CEO | purchased | 12,757 | $5.49 | — | — |
| 2026-08-18 | CHEN THOMAS C | CEO | purchased | 33,787 | $3.85 | $140,000 | 2 |
| 2026-08-18 | Heshmatpour Amir F | purchased | 9,000 | $5.54 | — | — | |
| 2026-08-17 | Heshmatpour Amir F | purchased | 12,000 | $3.79 | $58,580 | 2 | |
| 2026-07-13 | SHOMALI NASIM | received | 50,000 | — | — | — | |
| 5 filings · 3 filers · disclosed totals only | $198,580 (2/5) | — | |||||