Ksenak Stephen Michael has filed 38 insider transactions across 1 company since February 2024.
Most recent transaction: a transaction of 129146 shares of OCTAVE SPECIALTY GROUP INC ($OSG) on September 29, 2025.
Activity breakdown: 1 open-market purchase and 0 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 29, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | C | Common Stock | 129146 | $0.00 | 248,778.0000 | 46,969,708 | 107.95% | 0.27% |
| Sept. 29, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | C | Deferred Share Units | 129146 | $0.00 | 0.0000 | 46,969,708 | 100.00% | 0.27% |
| Sept. 29, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | F | Common Stock | 43522 | $9.72 | 205,256.0000 | 46,969,708 | 17.49% | 0.09% |
| July 9, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | A | Restricted Stock Units | 32097 | $0.00 | 46,151.0000 | 46,969,708 | 228.38% | 0.07% |
| March 13, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Common Stock | 4726 | $0.00 | 123,302.0000 | 46,969,708 | 3.99% | 0.01% |
| March 13, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | F | Common Stock | 1703 | $8.39 | 121,599.0000 | 46,969,708 | 1.38% | 0.00% |
| March 13, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Restricted Stock Units | 4726 | $0.00 | 14,054.0000 | 46,969,708 | 25.17% | 0.01% |
| March 6, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Common Stock | 1967 | $0.00 | 118,576.0000 | 46,969,708 | 1.69% | 0.00% |
| March 6, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | F | Common Stock | 1967 | $9.16 | 118,576.0000 | 46,969,708 | 1.63% | 0.00% |
| March 6, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | A | Deferred Share Units | 53999 | $0.00 | 129,146.0000 | 46,969,708 | 71.86% | 0.11% |
| March 3, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | F | Common Stock | 400 | $9.30 | 116,609.0000 | 46,969,708 | 0.34% | 0.00% |
| Feb. 28, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Restricted Stock Units | 5051 | $0.00 | 23,381.0000 | 46,969,708 | 17.77% | 0.01% |
| Feb. 28, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Deferred Share Units | 4469 | $0.00 | 70,946.0000 | 46,969,708 | 6.72% | 0.01% |
| March 3, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Restricted Stock Units | 4601 | $0.00 | 18,780.0000 | 46,969,708 | 19.68% | 0.01% |
| March 3, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Deferred Share Units | 4201 | $0.00 | 75,147.0000 | 46,969,708 | 5.92% | 0.01% |
| March 3, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Common Stock | 400 | $0.00 | 117,009.0000 | 46,969,708 | 0.34% | 0.00% |
| Feb. 28, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | F | Common Stock | 582 | $9.71 | 116,609.0000 | 46,969,708 | 0.50% | 0.00% |
| Feb. 28, 2025 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Common Stock | 582 | $0.00 | 117,191.0000 | 46,969,708 | 0.50% | 0.00% |
| Aug. 7, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | P | Common Stock | 5000 | $11.00 | 116,609.0000 | 45,636,649 | 4.48% | 0.01% |
| March 13, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | A | Restricted Stock Units | 14179 | $0.00 | 28,432.0000 | 45,636,649 | 99.48% | 0.03% |
| March 8, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Restricted Stock Units | 5959 | $0.00 | 14,253.0000 | 45,636,649 | 29.48% | 0.01% |
| March 8, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | A | Deferred Share Units | 5959 | $0.00 | 66,477.0000 | 45,636,649 | 9.85% | 0.01% |
| March 8, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | F | Common Stock | 218 | $15.38 | 111,609.0000 | 45,636,649 | 0.19% | 0.00% |
| March 8, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Restricted Stock Units | 218 | $0.00 | 20,212.0000 | 45,636,649 | 1.07% | 0.00% |
| March 8, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Common Stock | 218 | $0.00 | 111,827.0000 | 45,636,649 | 0.20% | 0.00% |
| March 3, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Restricted Stock Units | 4438 | $0.00 | 20,430.0000 | 45,636,649 | 17.85% | 0.01% |
| March 3, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | A | Deferred Share Units | 4438 | $0.00 | 60,518.0000 | 45,636,649 | 7.91% | 0.01% |
| March 3, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | F | Common Stock | 163 | $16.19 | 111,609.0000 | 45,636,649 | 0.15% | 0.00% |
| March 3, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Common Stock | 163 | $0.00 | 111,772.0000 | 45,636,649 | 0.15% | 0.00% |
| March 3, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Restricted Stock Units | 163 | $0.00 | 24,868.0000 | 45,636,649 | 0.65% | 0.00% |
| Feb. 28, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Restricted Stock Units | 4872 | $0.00 | 25,031.0000 | 45,636,649 | 16.29% | 0.01% |
| Feb. 28, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | A | Deferred Share Units | 4872 | $0.00 | 56,080.0000 | 45,636,649 | 9.51% | 0.01% |
| Feb. 28, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Common Stock | 178 | $0.00 | 111,787.0000 | 45,636,649 | 0.16% | 0.00% |
| Feb. 28, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | F | Common Stock | 178 | $16.94 | 111,609.0000 | 45,636,649 | 0.16% | 0.00% |
| Feb. 28, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Restricted Stock Units | 178 | $0.00 | 29,903.0000 | 45,636,649 | 0.59% | 0.00% |
| Feb. 21, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | M | Common Stock | 1861 | $0.00 | 113,470.0000 | 45,636,649 | 1.67% | 0.00% |
| Feb. 21, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | F | Common Stock | 1861 | $16.25 | 111,609.0000 | 45,636,649 | 1.64% | 0.00% |
| Feb. 21, 2024 | OCTAVE SPECIALTY GROUP INC | $OSG | Ksenak Stephen Michael | Sr. MD & General Counsel | A | Deferred Share Units | 40442 | $0.00 | 51,208.0000 | 45,636,649 | 375.65% | 0.09% |