SEC CIK 1920307
O'Brien Stephen D.
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| AOSview stock → | 6,510 | 2026-02-13 |
Position History — AOS
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — AOS
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-02-13 | Option exercise (derivative) | 2,905 | $0.00 | 0 |
| 2026-02-13 | Grant / award | 791 | $0.00 | 6,510 |
| 2026-02-13 | Tax withholding | 1,144 | $0.00 | 5,719 |
| 2026-02-13 | Option exercise | 2,905 | $0.00 | 6,863 |
| 2026-02-09 | Grant / award (derivative) | 4,900 | $0.00 | 17,605 |
| 2025-04-01 | Option exercise (derivative) | 1,930 | $0.00 | 0 |
| 2025-04-01 | Tax withholding | 760 | $65.23 | 3,899 |
| 2025-04-01 | Option exercise | 1,930 | $0.00 | 4,659 |
| 2025-02-10 | Grant / award (derivative) | 5,725 | $0.00 | 14,635 |
| 2025-02-07 | Option exercise (derivative) | 1,110 | $0.00 | 0 |
| 2025-02-07 | Tax withholding | 496 | $65.65 | 2,718 |
| 2025-02-07 | Option exercise | 1,110 | $0.00 | 3,214 |
| 2024-08-16 | Option exercise (derivative) | 3,455 | $0.00 | 0 |
| 2024-08-16 | Option exercise | 3,455 | $0.00 | 3,455 |
| 2024-08-16 | Tax withholding | 1,360 | $79.98 | 2,095 |
| 2024-02-12 | Grant / award (derivative) | 4,075 | $0.00 | 13,475 |
| 2023-02-13 | Grant / award (derivative) | 2,905 | $0.00 | 9,400 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.