SEC CIK 1641154
Chan Mary S
Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| VISNview stock → | 93,259 | 2023-05-11 |
| SBACview stock → | 6,421.543 | 2026-05-01 |
Position History — SBAC
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — SBAC
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-05-22 | Grant / award (derivative) | 1,108 | $0.00 | 1,108 |
| 2026-05-01 | Option exercise (derivative) | 331 | — | 663 |
| 2026-05-01 | Option exercise (derivative) | 302 | — | 302 |
| 2026-05-01 | Option exercise (derivative) | 248 | — | 0 |
| 2026-05-01 | Tax withholding | 325.968 | $221.20 | 6,421.543 |
| 2026-05-01 | Option exercise | 331 | — | 6,747.511 |
| 2026-05-01 | Option exercise | 302 | — | 6,416.511 |
| 2026-05-01 | Option exercise | 248 | — | 6,114.511 |
| 2026-04-13 | Option exercise (derivative) | 1,501 | $0.00 | 0 |
| 2026-04-13 | Tax withholding | 1,453 | $223.75 | 5,866.511 |
| 2026-04-13 | Option exercise | 1,501 | $212.31 | 7,319.511 |
| 2025-05-23 | Grant / award (derivative) | 994 | $0.00 | 994 |
| 2025-05-01 | Option exercise (derivative) | 175 | — | 0 |
| 2025-05-01 | Option exercise (derivative) | 302 | — | 604 |
| 2025-05-01 | Option exercise (derivative) | 248 | — | 248 |
| 2025-05-01 | Option exercise | 175 | — | 5,402.78 |
| 2025-05-01 | Option exercise | 248 | — | 5,650.78 |
| 2025-05-01 | Option exercise | 302 | — | 5,952.78 |
| 2025-05-01 | Tax withholding | 268.25 | $243.40 | 5,684.53 |
| 2025-02-28 | Option exercise (derivative) | 1,411 | $0.00 | 0 |
| 2025-02-28 | Option exercise | 1,411 | $157.51 | 6,541.92 |
| 2025-02-28 | Open-market sale | 1,411 | $218.07 | 5,130.92 |
| 2024-05-23 | Grant / award (derivative) | 906 | $0.00 | 906 |
| 2024-05-01 | Option exercise (derivative) | 247 | — | 496 |
| 2024-05-01 | Option exercise (derivative) | 175 | — | 175 |
| 2024-05-01 | Option exercise (derivative) | 207 | — | 0 |
| 2024-05-01 | Option exercise | 247 | — | 5,317.04 |
| 2024-05-01 | Option exercise | 175 | — | 5,070.04 |
| 2024-05-01 | Tax withholding | 232.73 | $186.12 | 5,130.92 |
| 2024-05-01 | Option exercise | 207 | — | 4,895.04 |
| 2024-03-05 | Option exercise (derivative) | 1,977 | $0.00 | 0 |
| 2024-03-05 | Option exercise | 1,977 | $132.00 | 6,598.9 |
| 2024-03-05 | Open-market sale | 1,977 | $217.99 | 4,621.9 |
| 2023-05-25 | Grant / award (derivative) | 743 | $0.00 | 743 |
| 2023-05-01 | Option exercise (derivative) | 175 | — | 350 |
| 2023-05-01 | Option exercise (derivative) | 190 | — | 0 |
| 2023-05-01 | Option exercise (derivative) | 206 | — | 207 |
| 2023-05-01 | Option exercise | 190 | — | 4,240.9 |
| 2023-05-01 | Option exercise | 175 | — | 4,621.9 |
| 2023-05-01 | Option exercise | 206 | — | 4,446.9 |
| 2022-05-12 | Grant / award (derivative) | 525 | $0.00 | 525 |
| 2022-05-01 | Option exercise (derivative) | 190 | — | 190 |
| 2022-05-01 | Option exercise (derivative) | 206 | — | 413 |
| 2022-05-01 | Option exercise (derivative) | 183 | — | 183 |
| 2022-05-01 | Option exercise | 183 | — | 3,612.33 |
| 2022-05-01 | Option exercise | 190 | — | 3,802.33 |
| 2022-05-01 | Option exercise | 206 | — | 4,008.33 |
| 2021-05-13 | Grant / award (derivative) | 619 | $0.00 | 619 |
| 2021-05-01 | Option exercise (derivative) | 190 | — | 380 |
| 2021-05-01 | Option exercise (derivative) | 182 | — | 183 |
| 2021-05-01 | Option exercise (derivative) | 201 | — | 0 |
| 2021-05-01 | Option exercise | 190 | — | 3,404.86 |
| 2021-05-01 | Option exercise | 182 | — | 3,214.86 |
| 2021-05-01 | Option exercise | 201 | — | 3,032.86 |
| 2020-05-28 | Option exercise (derivative) | 10,000 | $0.00 | 0 |
| 2020-05-28 | Open-market sale | 2,006 | $312.70 | 2,812.59 |
| 2020-05-28 | Open-market sale | 3,700 | $312.11 | 4,818.59 |
| 2020-05-28 | Open-market sale | 900 | $311.19 | 8,518.59 |
| 2020-05-28 | Open-market sale | 400 | $308.72 | 11,912.59 |
| 2020-05-28 | Open-market sale | 500 | $307.71 | 12,312.59 |
| 2020-05-28 | Option exercise | 10,000 | $116.19 | 12,812.59 |
| 2020-05-28 | Open-market sale | 2,494 | $310.08 | 9,418.59 |
| 2020-05-14 | Grant / award (derivative) | 570 | $0.00 | 570 |
| 2020-05-01 | Option exercise (derivative) | 201 | — | 201 |
| 2020-05-01 | Option exercise (derivative) | 181 | — | 365 |
| 2020-05-01 | Option exercise (derivative) | 270 | — | 0 |
| 2020-05-01 | Option exercise | 181 | — | 3,054.59 |
| 2020-05-01 | Option exercise | 270 | — | 2,672.59 |
| 2020-05-01 | Tax withholding | 242 | $289.92 | 2,812.59 |
| 2020-05-01 | Option exercise | 201 | — | 2,873.59 |
| 2020-01-13 | Option exercise (derivative) | 2,308 | $0.00 | 0 |
| 2020-01-13 | Option exercise | 1,899 | $113.55 | 4,290 |
| 2020-01-13 | Open-market sale | 4,207 | $250.00 | 2,391 |
| 2020-01-13 | Option exercise | 2,308 | $100.00 | 6,598 |
| 2019-05-16 | Grant / award (derivative) | 1,501 | $0.00 | 1,501 |
| 2019-05-16 | Grant / award (derivative) | 546 | $0.00 | 546 |
| 2019-05-13 | Option exercise (derivative) | 303 | — | 0 |
| 2019-05-13 | Option exercise | 303 | — | 2,391 |
| 2019-05-01 | Option exercise (derivative) | 269 | — | 270 |
| 2019-05-01 | Option exercise (derivative) | 200 | — | 402 |
| 2019-05-01 | Option exercise | 269 | — | 1,888 |
| 2019-05-01 | Option exercise | 200 | — | 2,088 |
| 2018-05-17 | Grant / award (derivative) | 602 | $0.00 | 602 |
| 2018-05-17 | Grant / award (derivative) | 1,411 | $0.00 | 1,411 |
| 2018-05-16 | Option exercise (derivative) | 249 | — | 0 |
| 2018-05-16 | Option exercise | 249 | — | 1,619 |
| 2018-05-13 | Option exercise (derivative) | 302 | — | 303 |
| 2018-05-13 | Option exercise | 302 | — | 1,370 |
| 2018-05-01 | Option exercise (derivative) | 268 | — | 539 |
| 2018-05-01 | Option exercise | 268 | — | 1,068 |
| 2017-05-18 | Grant / award (derivative) | 1,977 | $0.00 | 1,977 |
| 2017-05-18 | Grant / award (derivative) | 807 | $0.00 | 807 |
| 2017-05-17 | Option exercise (derivative) | 249 | — | 249 |
| 2017-05-17 | Option exercise | 249 | — | 800 |
| 2017-05-13 | Option exercise (derivative) | 302 | — | 605 |
| 2017-05-13 | Option exercise | 302 | — | 551 |
| 2016-05-13 | Grant / award (derivative) | 607 | $0.00 | 607 |
| 2016-05-13 | Grant / award (derivative) | 2,308 | $0.00 | 2,308 |
| 2016-05-12 | Option exercise (derivative) | 249 | — | 498 |
| 2016-05-12 | Option exercise | 249 | — | 249 |
| 2015-05-21 | Grant / award (derivative) | 747 | $0.00 | 747 |
| 2015-05-21 | Grant / award (derivative) | 1,899 | $0.00 | 1,899 |
| 2015-05-01 | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.