SEC CIK 2010300
Brosius Mark
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| ISRGview stock → | 764 | 2026-09-11 |
Position History — ISRG
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — ISRG
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-09-11 | Open-market sale | 25 | $365.79 | 764 |
| 2026-09-10 | Open-market sale | 23 | $347.66 | 789 |
| 2026-09-09 | Open-market sale | 23 | $350.20 | 812 |
| 2026-09-08 | Open-market sale | 46 | $361.23 | 835 |
| 2026-08-21 | Open-market sale | 77 | $375.57 | 881 |
| 2026-08-20 | Open-market sale | 77 | $396.37 | 958 |
| 2026-08-19 | Open-market sale | 77 | $394.26 | 1,035 |
| 2026-08-18 | Open-market sale | 77 | $394.00 | 1,112 |
| 2026-08-17 | Open-market sale | 77 | $390.67 | 1,189 |
| 2026-07-31 | Open-market sale | 28 | $351.00 | 1,266 |
| 2026-07-30 | Open-market sale | 28 | $346.83 | 1,294 |
| 2026-07-29 | Open-market sale | 28 | $360.21 | 1,322 |
| 2026-07-28 | Open-market sale | 28 | $365.58 | 1,350 |
| 2026-07-27 | Open-market sale | 28 | $344.00 | 1,378 |
| 2026-06-12 | Open-market sale | 25 | $414.13 | 1,406 |
| 2026-06-11 | Open-market sale | 23 | $412.16 | 1,431 |
| 2026-06-10 | Open-market sale | 23 | $424.14 | 1,454 |
| 2026-06-09 | Open-market sale | 23 | $421.13 | 1,477 |
| 2026-06-08 | Open-market sale | 23 | $420.12 | 1,500 |
| 2026-05-22 | Open-market sale | 18 | $439.80 | 1,523 |
| 2026-05-21 | Open-market sale | 18 | $446.04 | 1,541 |
| 2026-05-20 | Open-market sale | 18 | $440.38 | 1,559 |
| 2026-05-19 | Open-market sale | 18 | $440.70 | 1,577 |
| 2026-05-18 | Open-market sale | 18 | $422.47 | 1,595 |
| 2026-03-09 | Open-market sale | 645 | $485.01 | 1,613 |
| 2026-03-06 | Open-market sale | 648 | $490.19 | 2,258 |
| 2026-03-05 | Open-market sale | 648 | $495.20 | 2,906 |
| 2026-03-04 | Open-market sale | 2,362 | $498.68 | 3,554 |
| 2026-03-03 | Open-market sale | 648 | $488.10 | 5,916 |
| 2026-02-28 | Option exercise (derivative) | 877 | $0.00 | 0 |
| 2026-02-28 | Option exercise (derivative) | 8,378 | $0.00 | 0 |
| 2026-02-28 | Tax withholding | 4,155 | $503.51 | 6,564 |
| 2026-02-28 | Option exercise | 8,378 | $0.00 | 10,719 |
| 2026-02-28 | Tax withholding | 435 | $503.51 | 2,341 |
| 2026-02-28 | Option exercise | 877 | $0.00 | 2,776 |
| 2026-02-26 | Option exercise (derivative) | 973 | $0.00 | 2,918 |
| 2026-02-26 | Grant / award (derivative) | 2,793 | $0.00 | 8,378 |
| 2026-02-26 | Option exercise (derivative) | 1,622 | $0.00 | 3,243 |
| 2026-02-26 | Grant / award (derivative) | 4,928 | $0.00 | 4,928 |
| 2026-02-26 | Tax withholding | 805 | $506.17 | 1,409 |
| 2026-02-26 | Option exercise | 973 | $0.00 | 2,382 |
| 2026-02-26 | Option exercise | 1,622 | $0.00 | 2,214 |
| 2026-02-26 | Tax withholding | 483 | $506.17 | 1,899 |
| 2026-02-10 | Option exercise (derivative) | 838 | $0.00 | 838 |
| 2026-02-10 | Tax withholding | 433 | $492.84 | 592 |
| 2026-02-10 | Option exercise | 838 | $0.00 | 1,025 |
| 2026-01-28 | Grant / award (derivative) | 2,702 | $0.00 | 2,702 |
| 2026-01-28 | Grant / award (derivative) | 5,585 | $0.00 | 5,585 |
| 2025-12-15 | Open-market sale | 464 | $548.49 | 443 |
| 2025-12-15 | Open-market sale | 464 | $548.49 | 131 |
| 2025-12-12 | Option exercise (derivative) | 4,500 | $0.00 | 0 |
| 2025-12-12 | Open-market sale | 4,500 | $547.36 | 907 |
| 2025-12-12 | Option exercise | 4,500 | $79.64 | 5,407 |
| 2025-12-12 | Open-market sale | 312 | $547.36 | 595 |
| 2025-06-06 | Open-market sale | 216 | $563.11 | 907 |
| 2025-06-05 | Open-market sale | 215 | $560.70 | 1,123 |
| 2025-06-04 | Open-market sale | 215 | $552.07 | 1,338 |
| 2025-06-03 | Open-market sale | 215 | $550.68 | 1,553 |
| 2025-06-02 | Open-market sale | 215 | $549.06 | 1,768 |
| 2025-05-16 | Open-market sale | 20 | $563.81 | 1,983 |
| 2025-05-15 | Open-market sale | 22 | $560.00 | 2,003 |
| 2025-05-14 | Open-market sale | 22 | $563.00 | 2,025 |
| 2025-05-13 | Open-market sale | 22 | $561.67 | 2,047 |
| 2025-05-12 | Open-market sale | 22 | $551.97 | 2,069 |
| 2025-03-07 | Open-market sale | 489 | $533.18 | 2,091 |
| 2025-03-06 | Open-market sale | 492 | $558.95 | 2,580 |
| 2025-03-05 | Open-market sale | 492 | $554.17 | 3,072 |
| 2025-03-04 | Open-market sale | 492 | $563.69 | 3,564 |
| 2025-03-03 | Open-market sale | 492 | $573.78 | 4,056 |
| 2025-02-28 | Option exercise (derivative) | 877 | $0.00 | 877 |
| 2025-02-28 | Tax withholding | 435 | $563.77 | 6,723 |
| 2025-02-28 | Tax withholding | 2,175 | $563.77 | 4,548 |
| 2025-02-28 | Option exercise | 877 | $0.00 | 7,158 |
| 2025-02-27 | Grant / award | 4,385 | $0.00 | 6,281 |
| 2025-02-26 | Option exercise (derivative) | 855 | $0.00 | 0 |
| 2025-02-26 | Option exercise (derivative) | 1,622 | $0.00 | 4,865 |
| 2025-02-26 | Grant / award (derivative) | 3,891 | $0.00 | 3,891 |
| 2025-02-26 | Tax withholding | 424 | $573.74 | 1,896 |
| 2025-02-26 | Option exercise | 855 | $0.00 | 2,320 |
| 2025-02-26 | Tax withholding | 805 | $573.74 | 1,465 |
| 2025-02-26 | Option exercise | 1,622 | $0.00 | 2,270 |
| 2025-02-10 | Option exercise (derivative) | 838 | $0.00 | 1,676 |
| 2025-02-10 | Tax withholding | 430 | $582.98 | 648 |
| 2025-02-10 | Option exercise | 838 | $0.00 | 1,078 |
| 2024-10-28 | Open-market sale | 22 | $513.66 | 185 |
| 2024-10-25 | Open-market sale | 22 | $514.00 | 207 |
| 2024-10-24 | Open-market sale | 22 | $510.79 | 229 |
| 2024-10-23 | Open-market sale | 22 | $513.89 | 251 |
| 2024-10-22 | Option exercise (derivative) | 2,106 | $0.00 | 0 |
| 2024-10-22 | Open-market sale | 22 | $515.00 | 273 |
| 2024-10-22 | Open-market sale | 2,106 | $515.00 | 295 |
| 2024-10-22 | Option exercise | 2,106 | $77.00 | 2,401 |
| 2024-09-12 | Option exercise (derivative) | 2,115 | $0.00 | 0 |
| 2024-09-12 | Open-market sale | 2,115 | $491.91 | 295 |
| 2024-09-12 | Option exercise | 2,115 | $59.46 | 2,410 |
| 2024-05-17 | Open-market sale | 63 | $396.19 | 295 |
| 2024-05-16 | Open-market sale | 175 | $398.28 | 358 |
| 2024-05-15 | Open-market sale | 175 | $387.22 | 533 |
| 2024-05-14 | Open-market sale | 175 | $380.85 | 708 |
| 2024-05-13 | Open-market sale | 175 | $389.16 | 883 |
| 2024-03-11 | Open-market sale | 196 | $390.16 | 1,058 |
| 2024-03-08 | Open-market sale | 196 | $392.02 | 1,254 |
| 2024-03-07 | Open-market sale | 196 | $393.30 | 1,450 |
| 2024-03-06 | Open-market sale | 196 | $386.76 | 1,646 |
| 2024-03-05 | Open-market sale | 196 | $400.00 | 1,842 |
| 2024-02-29 | Option exercise (derivative) | 966 | $0.00 | 0 |
| 2024-02-29 | Option exercise (derivative) | 877 | $0.00 | 1,754 |
| 2024-02-29 | Tax withholding | 445 | $386.59 | 2,038 |
| 2024-02-29 | Option exercise | 966 | $0.00 | 2,096 |
| 2024-02-29 | Tax withholding | 490 | $386.59 | 1,606 |
| 2024-02-29 | Option exercise | 877 | $0.00 | 2,483 |
| 2024-02-26 | Grant / award (derivative) | 6,487 | $0.00 | 6,487 |
| 2024-02-26 | Option exercise (derivative) | 855 | $0.00 | 855 |
| 2024-02-26 | Option exercise | 855 | $0.00 | 1,564 |
| 2024-02-26 | Tax withholding | 434 | $389.77 | 1,130 |
| 2024-02-16 | Open-market sale | 32 | $378.29 | 709 |
| 2024-02-15 | Open-market sale | 30 | $382.03 | 741 |
| 2024-02-14 | Open-market sale | 30 | $380.09 | 771 |
| 2024-02-13 | Open-market sale | 30 | $375.51 | 801 |
| 2024-02-12 | Open-market sale | 30 | $386.09 | 831 |
| 2024-02-10 | Option exercise (derivative) | 838 | $0.00 | 2,514 |
| 2024-02-10 | Option exercise | 838 | $0.00 | 1,286 |
| 2024-02-10 | Tax withholding | 425 | $388.22 | 861 |
| 2024-02-01 | — | — | — | 487 |
| 2024-02-01 | Open-market sale | 39 | $378.41 | 448 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.