SEC CIK 1202358
DURCAN DERMOT MARK
Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| MUview stock → | 1,929,300 | 2016-10-19 |
| CORview stock → | 31,767 | 2026-06-18 |
Position History — COR
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — COR
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-06-18 | Open-market buy | 4,000 | $274.19 | 31,767 |
| 2026-05-28 | Open-market buy | 4,000 | $266.26 | 27,767 |
| 2026-03-05 | Grant / award | 905 | $359.28 | 23,767 |
| 2025-03-06 | Grant / award | 986 | — | 22,862 |
| 2024-05-24 | Open-market buy | 500 | $218.58 | 21,876 |
| 2024-03-12 | Grant / award | 1,053 | — | 21,376 |
| 2024-03-11 | Option exercise (derivative) | 1,593 | — | 0 |
| 2024-03-11 | Grant / award | 1,593 | — | 20,323 |
| 2023-03-09 | Grant / award | 1,667 | — | 18,730 |
| 2023-03-05 | Option exercise (derivative) | 2,012 | — | 0 |
| 2023-03-05 | Option exercise | 2,012 | — | 14,272 |
| 2022-03-10 | Grant / award (derivative) | 1,197 | — | 1,197 |
| 2022-02-28 | Option exercise (derivative) | 2,101 | — | 0 |
| 2022-02-28 | Option exercise | 2,101 | — | 12,260 |
| 2021-11-01 | Grant / award | 265 | $122.81 | 10,159 |
| 2021-08-02 | Grant / award | 288 | $122.17 | 9,894 |
| 2021-05-03 | Grant / award | 258 | $120.80 | 9,606 |
| 2021-03-11 | Grant / award (derivative) | 1,593 | — | 1,593 |
| 2021-03-02 | Option exercise (derivative) | 1,340 | — | 0 |
| 2021-03-02 | Option exercise | 1,340 | — | 9,348 |
| 2021-02-02 | Grant / award | 292 | $106.89 | 8,008 |
| 2020-11-02 | Grant / award | 325 | $96.07 | 7,716 |
| 2020-08-03 | Grant / award | 312 | $100.19 | 7,391 |
| 2020-05-01 | Grant / award | 362 | $86.38 | 7,079 |
| 2020-03-23 | Open-market buy | 1,350 | $74.33 | 6,717 |
| 2020-03-13 | Open-market buy | 1,225 | $82.62 | 5,367 |
| 2020-03-05 | Grant / award (derivative) | 2,012 | $0.00 | 2,012 |
| 2020-03-03 | Option exercise (derivative) | 1,360 | — | 0 |
| 2020-03-03 | Option exercise | 1,360 | $0.00 | 4,142 |
| 2020-02-03 | Grant / award | 365 | $85.56 | 2,782 |
| 2019-03-04 | Option exercise (derivative) | 1,417 | — | 0 |
| 2019-03-04 | Option exercise | 1,417 | — | 2,417 |
| 2019-02-28 | Grant / award (derivative) | 2,101 | $83.30 | 4,202 |
| 2018-03-01 | Grant / award (derivative) | 1,340 | $0.00 | 1,340 |
| 2017-03-02 | Grant / award (derivative) | 1,360 | $0.00 | 1,360 |
| 2016-03-03 | Grant / award (derivative) | 1,417 | — | 1,417 |
| 2015-12-02 | Open-market buy | 1,000 | $99.70 | 1,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.