SEC CIK 923792
CHURCHILL WINSTON J
Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| AMKRview stock → | 28,681 | 2026-07-30 |
| IAview stock → | 9,523 | 2023-06-13 |
Position History — AMKR
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — AMKR
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-09-22 | Grant / award (derivative) | 3.998 | $0.00 | 2,619.514 |
| 2026-07-30 | Gift | 100 | $0.00 | 28,681 |
| 2026-06-23 | Grant / award (derivative) | 2.517 | $0.00 | 2,615.517 |
| 2026-06-12 | Option exercise (derivative) | 5,000 | $0.00 | 10,000 |
| 2026-06-12 | Open-market sale | 5,000 | $78.20 | 28,781 |
| 2026-06-12 | Option exercise | 5,000 | $19.39 | 33,781 |
| 2026-05-13 | Grant / award (derivative) | 2,613 | $0.00 | 2,613 |
| 2026-05-13 | Option exercise (derivative) | 9,893.057 | $0.00 | 0 |
| 2026-05-13 | Option exercise | 9,893 | $0.00 | 28,781 |
| 2026-05-05 | Open-market sale | 7,000 | $76.45 | 18,888 |
| 2026-03-31 | Grant / award (derivative) | 18.16 | $0.00 | 9,893.06 |
| 2025-12-23 | Grant / award (derivative) | 20.01 | $0.00 | 9,874.9 |
| 2025-12-15 | Option exercise (derivative) | 5,000 | $0.00 | 15,000 |
| 2025-12-15 | Option exercise | 5,000 | $19.39 | 30,888 |
| 2025-12-15 | Open-market sale | 5,000 | $44.29 | 25,888 |
| 2025-09-23 | Grant / award (derivative) | 27.36 | $0.00 | 9,854.89 |
| 2025-06-25 | Grant / award (derivative) | 38.53 | $0.00 | 9,827.53 |
| 2025-05-15 | Grant / award (derivative) | 9,789 | $0.00 | 9,789 |
| 2025-05-14 | Option exercise (derivative) | 6,017.03 | $0.00 | 0 |
| 2025-05-14 | Option exercise | 6,017 | $0.00 | 25,888 |
| 2025-04-02 | Grant / award (derivative) | 25.99 | $0.00 | 6,017.03 |
| 2024-12-23 | Grant / award (derivative) | 108.8 | $0.00 | 5,991.05 |
| 2024-09-23 | Grant / award (derivative) | 14.86 | $0.00 | 5,882.25 |
| 2024-08-27 | Option exercise (derivative) | 20,000 | $0.00 | 0 |
| 2024-08-27 | Open-market sale | 20,000 | $32.97 | 19,871 |
| 2024-08-27 | Option exercise | 20,000 | $11.71 | 39,871 |
| 2024-06-24 | Grant / award (derivative) | 12.38 | $0.00 | 5,867.38 |
| 2024-05-14 | Option exercise (derivative) | 8,571.04 | $0.00 | 0 |
| 2024-05-14 | Grant / award (derivative) | 5,855 | $0.00 | 5,855 |
| 2024-05-14 | Option exercise | 8,571 | $0.00 | 19,871 |
| 2024-04-01 | Grant / award (derivative) | 20.99 | $0.00 | 8,571.04 |
| 2024-03-07 | Open-market sale | 11,903 | $36.20 | 11,300 |
| 2023-12-26 | Grant / award (derivative) | 19.53 | $0.00 | 8,550.05 |
| 2023-09-25 | Grant / award (derivative) | 28.4 | $0.00 | 8,530.52 |
| 2023-06-26 | Grant / award (derivative) | 24.12 | $0.00 | 8,502.12 |
| 2023-05-16 | Option exercise (derivative) | 8,809.41 | $0.00 | 0 |
| 2023-05-16 | Grant / award (derivative) | 8,478 | $0.00 | 8,478 |
| 2023-05-16 | Option exercise | 8,809 | $0.00 | 23,203 |
| 2023-03-20 | Grant / award (derivative) | 26.11 | $0.00 | 8,809.41 |
| 2023-02-16 | Option exercise (derivative) | 20,000 | $0.00 | 0 |
| 2023-02-16 | Open-market sale | 20,000 | $27.29 | 14,394 |
| 2023-02-16 | Option exercise | 20,000 | $8.51 | 34,394 |
| 2022-12-27 | Grant / award (derivative) | 26.76 | $0.00 | 8,783.3 |
| 2022-12-07 | Option exercise (derivative) | 20,000 | $0.00 | 0 |
| 2022-12-07 | Open-market sale | 20,000 | $26.00 | 14,394 |
| 2022-12-07 | Option exercise | 20,000 | $9.17 | 34,394 |
| 2022-09-26 | Grant / award (derivative) | 25.99 | $0.00 | 8,756.54 |
| 2022-06-27 | Grant / award (derivative) | 24.55 | $0.00 | 8,730.55 |
| 2022-05-17 | Grant / award | 8,706 | $0.00 | 23,100 |
| 2021-11-29 | Option exercise (derivative) | 20,000 | $0.00 | 0 |
| 2021-11-29 | Open-market sale | 20,000 | $22.42 | 14,394 |
| 2021-11-29 | Option exercise | 20,000 | $7.31 | 34,394 |
| 2021-05-25 | Option exercise (derivative) | 20,000 | $0.00 | 0 |
| 2021-05-25 | Option exercise | 20,000 | $9.83 | 34,394 |
| 2021-05-25 | Open-market sale | 20,000 | $20.66 | 14,394 |
| 2021-05-18 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2021-05-18 | Grant / award | 3,094 | $0.00 | 20,500 |
| 2021-02-12 | Open-market sale | 8,207 | $24.21 | 17,406 |
| 2020-05-19 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2020-05-19 | Grant / award | 6,106 | $0.00 | 25,613 |
| 2020-02-21 | Open-market sale | 4,700 | $12.64 | 19,507 |
| 2019-05-15 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2019-05-15 | Grant / award | 8,207 | $0.00 | 24,207 |
| 2019-02-19 | Open-market sale | 17,476 | $9.42 | 16,000 |
| 2018-05-01 | Grant / award (derivative) | 20,000 | $0.00 | 0 |
| 2018-05-01 | Grant / award | 4,700 | $0.00 | 33,476 |
| 2018-03-09 | Option exercise (derivative) | 20,000 | $0.00 | 0 |
| 2018-03-09 | Option exercise (derivative) | 20,000 | $0.00 | 0 |
| 2018-03-09 | I (derivative) | 20,000 | $0.00 | 0 |
| 2018-03-09 | Open-market sale | 20,000 | $11.35 | 28,776 |
| 2018-03-09 | Option exercise | 20,000 | $5.66 | 48,776 |
| 2017-05-18 | Option exercise (derivative) | 13,402 | $4.58 | 0 |
| 2017-05-18 | Open-market sale | 13,402 | $11.00 | 28,776 |
| 2017-05-18 | Option exercise | 13,402 | $4.58 | 42,178 |
| 2017-05-12 | Option exercise (derivative) | 3,402 | $6.46 | 0 |
| 2017-05-12 | Option exercise (derivative) | 6,598 | $4.58 | 13,402 |
| 2017-05-12 | Option exercise | 6,598 | $4.58 | 35,374 |
| 2017-05-12 | Open-market sale | 3,402 | $11.81 | 28,776 |
| 2017-05-12 | Option exercise | 3,402 | $6.46 | 32,178 |
| 2017-05-11 | Option exercise (derivative) | 20,000 | $7.71 | 0 |
| 2017-05-11 | Option exercise (derivative) | 10,000 | $10.97 | 0 |
| 2017-05-11 | Option exercise (derivative) | 16,598 | $6.46 | 3,402 |
| 2017-05-11 | Option exercise | 16,598 | $6.46 | 45,374 |
| 2017-05-11 | Option exercise | 10,000 | $10.97 | 38,776 |
| 2017-05-11 | Open-market sale | 20,000 | $11.99 | 28,776 |
| 2017-05-11 | Option exercise | 20,000 | $7.71 | 48,776 |
| 2017-05-02 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2017-05-02 | Grant / award | 3,415 | $0.00 | 28,776 |
| 2016-05-04 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2016-05-04 | Grant / award | 7,067 | $0.00 | 25,361 |
| 2015-08-11 | Open-market buy | 11,300 | $4.35 | 18,294 |
| 2015-05-05 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2015-05-05 | Grant / award | 5,873 | $0.00 | 6,994 |
| 2015-03-05 | Grant / award | 1,121 | $0.00 | 1,121 |
| 2014-06-06 | Option exercise (derivative) | 10,000 | $0.00 | 0 |
| 2014-06-06 | Option exercise | 10,000 | $4.11 | 15,600 |
| 2014-06-06 | Option exercise | 10,000 | $5.03 | 25,600 |
| 2014-06-06 | Option exercise | 10,000 | $5.82 | 35,600 |
| 2014-06-06 | Option exercise | 20,000 | $4.50 | 55,600 |
| 2014-06-06 | Open-market sale | 50,000 | $10.85 | 5,600 |
| 2014-06-06 | Open-market sale | 5,600 | $10.89 | 0 |
| 2014-05-23 | Open-market sale | 708.97 | $9.48 | 0 |
| 2014-05-22 | Open-market sale | 847.88 | $9.42 | 708.97 |
| 2014-05-22 | Open-market sale | 5,600 | $9.41 | 5,600 |
| 2014-05-21 | Open-market sale | 678.3 | $9.42 | 1,556.84 |
| 2014-05-20 | Open-market sale | 678.3 | $9.48 | 2,235.14 |
| 2014-05-19 | Open-market sale | 169.58 | $9.39 | 2,913.44 |
| 2014-05-16 | Open-market sale | 1,187.03 | $9.25 | 3,083.02 |
| 2014-05-15 | Open-market sale | 339.15 | $9.00 | 4,270.04 |
| 2014-05-13 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2013-05-08 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2012-05-08 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2012-02-17 | Open-market sale | 588.28 | $6.63 | 4,609.19 |
| 2012-02-16 | Open-market sale | 1,631.46 | $6.70 | 5,197.47 |
| 2012-02-15 | Open-market sale | 542.64 | $6.60 | 6,828.93 |
| 2012-02-14 | Open-market sale | 678.3 | $6.42 | 7,371.57 |
| 2011-12-16 | Open-market sale | 610.47 | $4.13 | 8,049.87 |
| 2011-12-15 | Open-market sale | 271.32 | $4.16 | 8,660.34 |
| 2011-12-13 | Open-market sale | 474.81 | $4.32 | 8,931.66 |
| 2011-12-09 | Open-market sale | 135.66 | $4.59 | 9,406.47 |
| 2011-12-07 | Open-market sale | 36.47 | $4.75 | 9,542.13 |
| 2011-12-06 | Open-market sale | 237.41 | $4.66 | 9,578.59 |
| 2011-12-05 | Open-market sale | 47.48 | $4.73 | 9,816 |
| 2011-12-02 | Open-market sale | 474.81 | $4.61 | 9,863.48 |
| 2011-12-01 | Open-market sale | 664.64 | $4.49 | 10,338.29 |
| 2011-11-30 | Open-market sale | 2,374.05 | $4.29 | 11,002.93 |
| 2011-11-29 | Open-market sale | 1,865.33 | $4.15 | 13,376.98 |
| 2011-11-28 | Open-market sale | 1,526.18 | $4.32 | 15,242.3 |
| 2011-11-22 | Open-market sale | 230.32 | $4.56 | 16,768.48 |
| 2011-11-21 | Open-market sale | 25,000 | $4.55 | 11,200 |
| 2011-11-18 | Open-market sale | 1,356.6 | $4.65 | 16,998.79 |
| 2011-11-16 | Open-market sale | 1,513.71 | $4.87 | 18,355.39 |
| 2011-10-27 | Open-market sale | 67.15 | $5.15 | 19,869.1 |
| 2011-09-27 | Open-market sale | 1.36 | $5.15 | 19,936.25 |
| 2011-08-03 | Open-market sale | 2,034.9 | $5.16 | 19,937.61 |
| 2011-08-02 | Open-market sale | 2,034.9 | $5.24 | 21,972.51 |
| 2011-08-01 | Open-market sale | 2,034.9 | $5.28 | 24,007.41 |
| 2011-05-03 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2010-05-03 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2009-05-04 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2009-03-03 | Open-market buy | 2,374.05 | $1.64 | 26,042.31 |
| 2009-03-02 | Open-market buy | 3,221.93 | $1.64 | 23,668.26 |
| 2009-02-27 | Open-market buy | 2,713.2 | $1.69 | 20,446.34 |
| 2008-12-16 | Open-market buy | 1,187.03 | $2.38 | 15,528.66 |
| 2008-12-16 | Open-market buy | 2,204.48 | $2.39 | 17,733.14 |
| 2008-12-15 | Open-market buy | 2,034.9 | $2.50 | 12,985.04 |
| 2008-12-15 | Open-market buy | 1,356.6 | $2.48 | 14,341.64 |
| 2008-11-25 | Open-market buy | 550.78 | $1.90 | 966.92 |
| 2008-11-24 | Open-market buy | 416.14 | $1.94 | 416.14 |
| 2008-07-03 | Option exercise (derivative) | 15,000 | $0.00 | 0 |
| 2008-07-03 | Option exercise | 15,000 | $9.14 | 36,200 |
| 2008-05-05 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2007-08-06 | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2006-08-08 | Grant / award (derivative) | 10,000 | $5.82 | 10,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.