| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Pfau Bruce | Director | 400 ATLANTIC STREET, STAMFORD | /s/ Michael A. Sherrick, Attorney-in-Fact | 09 Dec 2025 | 0001781412 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | III | Shares of Common Stock | Disposed to Issuer | $16,650 | -2,789 | -1.6% | $5.97 | 172,630 | 06 Dec 2025 | Direct | F1 |
| transaction | III | Shares of Common Stock | Award | $124,998 | +20,695 | +12% | $6.04 | 193,325 | 09 Dec 2025 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Represents a sale of shares of common stock to satisfy tax obligations in connection with vesting of restricted stock units and deferred receipt of the related shares of common stock. |
| F2 | Grant of restricted stock units which vest in 3 equal installments on each of the first, second and third anniversaries of December 9, 2025 (or earlier in the event of a change of control of ISG or such director's death or disability). |