Form 4 for OSG OCTAVE SPECIALTY GROUP INC
Accepted 2025-10-01 00:00:00 ET · period of report 2025-09-29 · accession 0001628280-25-043472 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-10-01 | 2025-09-29 | OSG | Ksenak Stephen Michael | GC, Sr. MD | F - Tax | $9.72 | -43.5K | 205.3K | -17% | -$423.0K |
| D | 2025-10-01 | 2025-09-29 | OSG | Ksenak Stephen Michael | GC, Sr. MD | C - Cnv Deriv | $0.00 | +129.1K | 248.8K | +108% | $0 |
| D | 2025-10-01 | 2025-09-29 | OSG | Ksenak Stephen Michael | GC, Sr. MD | C - Cnv Deriv | $0.00 | -129.1K | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-09-29 | F | D | 43,522 | $9.72 | 205,256 | D | — | — | (F2) Represents the amount of DSUs that were converted into shares of common stock and withheld by the Company to satisfy certain tax withholding obligations. |
| 2 | Common | Common Stock | 2025-09-29 | C | A | 129,146 | $0.00 | 248,778 | D | — | — | (F1) Upon the closing of the sale of Ambac Assurance Corporation by Ambac Financial Group to an entity owned by funds managed by Oaktree Capital Management, L.P., a change of control was triggered causing the Reporting Person's Deferred Share Units ("DSUs") to vest and settle. |
| 3 | Derivative | Deferred Share Units | 2025-09-29 | C | D | 129,146 | $0.00 | 0 | D | — · — to — | 129,146 Common Stock | (F3) Each DSU represents a contingent right to receive one share of common stock of the Company. (F1) Upon the closing of the sale of Ambac Assurance Corporation by Ambac Financial Group to an entity owned by funds managed by Oaktree Capital Management, L.P., a change of control was triggered causing the Reporting Person's Deferred Share Units ("DSUs") to vest and settle. |