SEC CIK 1503841
Walker William M
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| WDview stock → | 488,948.192 | 2026-03-02 |
Position History — WD
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — WD
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-09-03 | Grant / award (derivative) | 50.288 | $0.00 | 242.106 |
| 2026-06-04 | Grant / award (derivative) | 40.042 | $0.00 | 191.818 |
| 2026-03-27 | Grant / award (derivative) | 47.331 | $0.00 | 151.776 |
| 2026-03-02 | Open-market buy | 10,000 | $47.46 | 488,948.192 |
| 2026-02-13 | Tax withholding | 9,940 | $61.86 | 478,948.192 |
| 2026-02-13 | Grant / award | 48,496 | $0.00 | 488,888.192 |
| 2026-01-30 | Option exercise (derivative) | 356.986 | $0.00 | 104.445 |
| 2026-01-30 | Option exercise (derivative) | 2,491 | $0.00 | 0 |
| 2026-01-30 | Option exercise (derivative) | 4,982 | $0.00 | 0 |
| 2026-01-30 | Tax withholding | 3,251 | $62.89 | 440,392.192 |
| 2026-01-30 | Option exercise | 7,829.986 | $0.00 | 443,643.192 |
| 2025-12-05 | Grant / award (derivative) | 61.279 | $0.00 | 461.431 |
| 2025-09-05 | Grant / award (derivative) | 43.897 | $0.00 | 400.152 |
| 2025-05-29 | Grant / award (derivative) | 55.19 | $0.00 | 356.26 |
| 2025-04-02 | Gift | 21,349 | $0.00 | 435,813.21 |
| 2025-03-15 | Option exercise (derivative) | 3,577 | $0.00 | 0 |
| 2025-03-15 | Option exercise (derivative) | 165.67 | $0.00 | 301.06 |
| 2025-03-15 | Option exercise (derivative) | 1,788 | $0.00 | 0 |
| 2025-03-15 | Tax withholding | 2,337 | $87.19 | 414,464.21 |
| 2025-03-15 | Option exercise | 5,530.67 | $0.00 | 416,801.21 |
| 2025-03-14 | Grant / award (derivative) | 58.24 | $0.00 | 466.73 |
| 2025-03-06 | Open-market buy | 15,611 | $86.14 | 409,381.54 |
| 2025-03-06 | Open-market buy | 1,889 | $86.80 | 411,270.54 |
| 2025-02-14 | Grant / award (derivative) | 2,892 | $0.00 | 2,892 |
| 2025-02-14 | Grant / award (derivative) | 5,784 | $0.00 | 5,784 |
| 2025-02-14 | Grant / award | 34,706 | $0.00 | 400,127.54 |
| 2025-02-14 | Tax withholding | 6,357 | $86.44 | 393,770.54 |
| 2025-01-31 | Option exercise (derivative) | 6,345 | $0.00 | 0 |
| 2025-01-31 | Option exercise (derivative) | 414.34 | $0.00 | 408.49 |
| 2025-01-31 | Option exercise (derivative) | 3,172 | $0.00 | 0 |
| 2025-01-31 | Tax withholding | 2,734 | $96.07 | 365,421.54 |
| 2025-01-31 | Option exercise | 9,931.34 | $0.00 | 368,155.54 |
| 2024-12-18 | Gift | 14,500 | $0.00 | 343,724.2 |
| 2024-12-18 | Gift | 0 | $0.00 | 358,224.2 |
| 2024-12-06 | Grant / award (derivative) | 49.14 | $0.00 | 822.82 |
| 2024-09-06 | Grant / award (derivative) | 50.99 | $0.00 | 773.68 |
| 2024-05-31 | Grant / award (derivative) | 54.98 | $0.00 | 722.7 |
| 2024-03-20 | Grant / award | 18,821 | $0.00 | 358,224.2 |
| 2024-03-15 | Grant / award (derivative) | 58.52 | $0.00 | 667.72 |
| 2024-02-15 | Tax withholding | 5,617 | $98.86 | 339,403.2 |
| 2024-01-31 | Option exercise (derivative) | 403.2 | $0.00 | 609.2 |
| 2024-01-31 | Option exercise (derivative) | 6,423 | $0.00 | 0 |
| 2024-01-31 | Option exercise (derivative) | 3,211 | $0.00 | 0 |
| 2024-01-31 | Option exercise | 10,037.2 | $0.00 | 347,674.2 |
| 2024-01-31 | Tax withholding | 2,654 | $0.00 | 345,020.2 |
| 2023-12-14 | Open-market sale | 50,000 | $105.63 | 337,637 |
| 2023-12-08 | Grant / award (derivative) | 78.19 | $0.00 | 1,012.4 |
| 2023-09-01 | Grant / award (derivative) | 85.45 | $0.00 | 934.21 |
| 2023-06-02 | Grant / award (derivative) | 96.81 | $0.00 | 848.76 |
| 2023-03-23 | Grant / award (derivative) | 98.26 | $0.00 | 751.96 |
| 2023-02-15 | Tax withholding | 26,869 | $96.89 | 387,637 |
| 2023-02-15 | Tax withholding | 5,222 | $96.89 | 414,506 |
| 2023-02-15 | Grant / award | 61,899 | $0.00 | 419,728 |
| 2023-02-15 | Grant / award | 14,621 | $0.00 | 357,829 |
| 2023-01-17 | Gift | 37,440 | $0.00 | 540,147 |
| 2022-12-09 | Grant / award (derivative) | 83.42 | $0.00 | 653.69 |
| 2022-09-02 | Grant / award (derivative) | 68.2 | $0.00 | 570.28 |
| 2022-06-03 | Grant / award (derivative) | 62.07 | $0.00 | 502.08 |
| 2022-03-10 | Grant / award (derivative) | 50.14 | $0.00 | 440.01 |
| 2022-02-15 | Grant / award (derivative) | 1,788 | $0.00 | 1,788 |
| 2022-02-15 | Grant / award (derivative) | 3,577 | $0.00 | 3,577 |
| 2022-02-15 | Tax withholding | 30,790 | $139.75 | 122,495 |
| 2022-02-15 | Grant / award | 10,137 | $0.00 | 153,285 |
| 2022-02-15 | Grant / award | 70,135 | $0.00 | 143,148 |
| 2022-02-15 | Tax withholding | 6,155 | $139.75 | 116,340 |
| 2021-12-21 | Gift | 37,440 | $0.00 | 0 |
| 2021-12-16 | Gift | 37,440 | $0.00 | 37,440 |
| 2021-12-16 | Gift | 83,200 | $0.00 | 27,253 |
| 2021-12-16 | Gift | 83,200 | $0.00 | 1,427,044 |
| 2021-12-16 | Gift | 45,760 | $0.00 | 73,013 |
| 2021-11-29 | Grant / award (derivative) | 32.09 | $0.00 | 389.87 |
| 2021-09-03 | Grant / award (derivative) | 41.35 | $0.00 | 357.78 |
| 2021-08-17 | Option exercise (derivative) | 83,218 | $0.00 | 0 |
| 2021-08-17 | Option exercise | 83,218 | $20.40 | 110,453 |
| 2021-06-04 | Grant / award (derivative) | 45.31 | $0.00 | 316.43 |
| 2021-03-31 | J | 1,510,244 | — | 1,510,244 |
| 2021-03-11 | Grant / award (derivative) | 41.88 | $0.00 | 271.12 |
| 2021-02-19 | Open-market sale | 714 | $98.71 | 1,569,157 |
| 2021-02-19 | Open-market sale | 12,046 | $102.04 | 1,551,236 |
| 2021-02-19 | Open-market sale | 4,664 | $101.34 | 1,563,282 |
| 2021-02-19 | Open-market sale | 1,211 | $99.94 | 1,567,946 |
| 2021-02-18 | Option exercise (derivative) | 48,064 | $0.00 | 0 |
| 2021-02-18 | Option exercise | 48,064 | $39.82 | 1,617,935 |
| 2021-02-18 | Open-market sale | 24,790 | $100.04 | 1,593,145 |
| 2021-02-18 | Open-market sale | 17,024 | $101.01 | 1,576,121 |
| 2021-02-18 | Open-market sale | 1,600 | $102.72 | 1,569,871 |
| 2021-02-18 | Open-market sale | 4,650 | $101.92 | 1,571,471 |
| 2021-02-15 | Tax withholding | 6,707 | $100.36 | 1,569,871 |
| 2021-02-12 | Grant / award (derivative) | 2,491 | $0.00 | 2,491 |
| 2021-02-12 | Grant / award (derivative) | 4,982 | $0.00 | 4,982 |
| 2021-02-12 | Tax withholding | 7,927 | $100.36 | 1,576,578 |
| 2021-02-12 | Grant / award | 14,115 | $0.00 | 1,584,505 |
| 2021-02-12 | Grant / award | 18,024 | $0.00 | 1,570,390 |
| 2020-12-16 | Gift | 8,300 | $0.00 | 1,552,366 |
| 2020-11-30 | Grant / award (derivative) | 29.62 | $0.00 | 229.23 |
| 2020-09-08 | Grant / award (derivative) | 43.25 | $0.00 | 199.62 |
| 2020-08-26 | Option exercise (derivative) | 97,879 | $0.00 | 0 |
| 2020-08-26 | Option exercise | 101,695 | $16.72 | 1,560,666 |
| 2020-08-26 | Option exercise | 97,879 | $18.03 | 1,364,483 |
| 2020-08-26 | Option exercise | 94,488 | $17.05 | 1,458,971 |
| 2020-06-05 | Grant / award (derivative) | 46.08 | $0.00 | 156.36 |
| 2020-03-09 | Grant / award (derivative) | 39.92 | $0.00 | 110.29 |
| 2020-03-05 | Open-market sale | 13,709 | $66.74 | 1,266,937 |
| 2020-03-05 | Open-market sale | 10,353 | $66.05 | 1,280,646 |
| 2020-03-05 | Open-market sale | 333 | $67.60 | 1,266,604 |
| 2020-03-04 | Open-market sale | 20,541 | $69.61 | 1,290,999 |
| 2020-03-04 | Open-market sale | 13,524 | $67.48 | 1,316,349 |
| 2020-03-04 | Open-market sale | 4,809 | $68.52 | 1,311,540 |
| 2020-02-15 | Tax withholding | 7,075 | $78.79 | 1,329,873 |
| 2020-02-14 | Grant / award (derivative) | 3,172 | $0.00 | 3,172 |
| 2020-02-14 | Grant / award (derivative) | 6,345 | $0.00 | 6,345 |
| 2020-02-14 | Tax withholding | 28,835 | $78.79 | 1,336,948 |
| 2020-02-14 | Grant / award | 65,472 | $0.00 | 1,354,361 |
| 2020-02-14 | Grant / award | 11,422 | $0.00 | 1,365,783 |
| 2019-12-09 | Grant / award (derivative) | 14.86 | $0.00 | 70.37 |
| 2019-09-13 | Gift | 13,775 | $0.00 | 1,288,889 |
| 2019-09-09 | Grant / award (derivative) | 18.64 | $0.00 | 55.51 |
| 2019-08-14 | Open-market sale | 1,200 | $55.84 | 1,302,664 |
| 2019-08-14 | Open-market sale | 36,885 | $54.63 | 1,303,864 |
| 2019-08-13 | Open-market sale | 52,304 | $57.23 | 1,340,749 |
| 2019-06-04 | Grant / award (derivative) | 18.78 | $0.00 | 36.87 |
| 2019-03-15 | Option exercise (derivative) | 19,450 | $0.00 | 0 |
| 2019-03-15 | Option exercise (derivative) | 246.48 | $0.00 | 18.09 |
| 2019-03-15 | Option exercise (derivative) | 9,725 | $0.00 | 0 |
| 2019-03-15 | Tax withholding | 13,756 | $52.52 | 1,379,297 |
| 2019-03-15 | Option exercise | 29,421 | $0.00 | 1,393,053 |
| 2019-03-07 | Grant / award (derivative) | 73.95 | $0.00 | 264.57 |
| 2019-02-15 | Grant / award (derivative) | 3,211 | $0.00 | 3,211 |
| 2019-02-15 | Grant / award (derivative) | 6,423 | $0.00 | 6,423 |
| 2019-02-15 | Tax withholding | 72,679 | $54.49 | 1,363,632 |
| 2019-02-15 | Grant / award | 137,442 | $0.00 | 1,419,795 |
| 2019-02-15 | Grant / award | 16,516 | $0.00 | 1,436,311 |
| 2019-01-31 | Option exercise (derivative) | 24,271 | $0.00 | 0 |
| 2019-01-31 | Tax withholding | 8,033 | $48.07 | 1,282,353 |
| 2019-01-31 | Option exercise | 24,271 | $0.00 | 1,290,386 |
| 2018-12-07 | Gift | 590 | $0.00 | 3,955 |
| 2018-12-07 | Gift | 7,070 | $0.00 | 1,266,115 |
| 2018-12-04 | Grant / award (derivative) | 55.72 | $0.00 | 190.62 |
| 2018-09-04 | Grant / award (derivative) | 44.97 | $0.00 | 134.9 |
| 2018-06-05 | Grant / award (derivative) | 42.68 | $0.00 | 89.93 |
| 2018-04-10 | Open-market sale | 6,188 | $59.15 | 1,273,185 |
| 2018-04-10 | Open-market sale | 7,232 | $58.42 | 1,279,373 |
| 2018-04-09 | Open-market sale | 3,624 | $59.18 | 1,286,605 |
| 2018-04-09 | Open-market sale | 17,944 | $58.51 | 1,290,229 |
| 2018-03-15 | Option exercise (derivative) | 43.58 | $0.00 | 47.25 |
| 2018-03-15 | Option exercise (derivative) | 17,942 | $0.00 | 0 |
| 2018-03-15 | Option exercise (derivative) | 8,971 | $0.00 | 0 |
| 2018-03-15 | Option exercise | 26,956 | $0.00 | 1,320,773 |
| 2018-03-15 | Tax withholding | 12,600 | $53.50 | 1,308,173 |
| 2018-03-13 | Open-market sale | 438 | $52.79 | 1,293,817 |
| 2018-03-13 | Open-market sale | 13,050 | $52.11 | 1,294,255 |
| 2018-03-12 | Open-market sale | 11,775 | $52.03 | 1,307,305 |
| 2018-03-07 | Grant / award (derivative) | 90.83 | $0.00 | 90.83 |
| 2018-02-20 | Open-market sale | 17,422 | $50.07 | 1,319,580 |
| 2018-02-20 | Open-market sale | 500 | $50.10 | 1,319,080 |
| 2018-02-16 | Open-market sale | 18,350 | $51.02 | 1,337,002 |
| 2018-02-15 | Tax withholding | 4,874 | $51.42 | 1,355,352 |
| 2018-02-14 | Grant / award | 17,797 | $0.00 | 1,360,226 |
| 2018-01-09 | Open-market sale | 27,779 | $47.89 | 1,342,429 |
| 2018-01-08 | Open-market sale | 19,790 | $48.06 | 1,377,213 |
| 2018-01-08 | Open-market sale | 7,005 | $48.59 | 1,370,208 |
| 2017-12-19 | Open-market sale | 17,891 | $47.15 | 1,408,303 |
| 2017-12-19 | Open-market sale | 11,300 | $48.14 | 1,397,003 |
| 2017-12-18 | Open-market sale | 9,298 | $48.36 | 1,426,368 |
| 2017-12-18 | Open-market sale | 174 | $49.10 | 1,426,194 |
| 2017-12-12 | Gift | 8,000 | $0.00 | 1,435,666 |
| 2017-02-15 | Grant / award (derivative) | 48,064 | $0.00 | 48,064 |
| 2017-02-15 | Grant / award | 13,937 | $0.00 | 1,362,280 |
| 2017-02-15 | Grant / award | 166,971 | $0.00 | 1,529,251 |
| 2017-02-15 | Tax withholding | 85,585 | $39.82 | 1,443,666 |
| 2016-12-06 | Open-market sale | 21,057 | $30.06 | 1,357,918 |
| 2016-12-05 | Open-market sale | 13,500 | $29.75 | 1,378,975 |
| 2016-11-04 | Open-market sale | 23,710 | $27.07 | 1,392,475 |
| 2016-11-03 | Open-market sale | 31,283 | $26.64 | 1,416,185 |
| 2016-10-05 | Open-market sale | 3,110 | $26.04 | 1,447,468 |
| 2016-09-07 | Open-market sale | 12,751 | $26.67 | 1,450,578 |
| 2016-09-06 | Open-market sale | 13,265 | $26.33 | 1,463,329 |
| 2016-08-04 | Open-market sale | 16,368 | $26.94 | 1,476,594 |
| 2016-08-03 | Open-market sale | 500 | $27.10 | 1,492,962 |
| 2016-08-03 | Open-market sale | 36,302 | $26.60 | 1,493,462 |
| 2016-04-01 | Tax withholding | 1,412 | $24.15 | 1,529,764 |
| 2016-02-19 | Grant / award (derivative) | 9,725 | $0.00 | 9,725 |
| 2016-02-19 | Grant / award (derivative) | 19,450 | $0.00 | 19,450 |
| 2016-02-15 | Grant / award (derivative) | 83,218 | $0.00 | 83,128 |
| 2016-02-15 | Tax withholding | 2,202 | $20.40 | 1,531,176 |
| 2016-02-15 | Grant / award | 7,353 | $0.00 | 1,533,378 |
| 2015-12-18 | Option exercise (derivative) | 59,827 | $0.00 | 0 |
| 2015-12-18 | Option exercise | 59,827 | $13.05 | 1,603,147 |
| 2015-12-18 | Open-market sale | 59,827 | $28.26 | 1,543,320 |
| 2015-12-17 | Option exercise (derivative) | 9,258 | $0.00 | 59,827 |
| 2015-12-17 | Option exercise (derivative) | 40,000 | $0.00 | 0 |
| 2015-12-17 | Open-market sale | 49,258 | $28.38 | 1,543,320 |
| 2015-12-17 | Option exercise | 40,000 | $12.52 | 1,583,320 |
| 2015-12-17 | Option exercise | 9,258 | $13.05 | 1,592,578 |
| 2015-05-21 | Open-market sale | 175,617 | $23.56 | 1,543,320 |
| 2015-05-20 | Open-market sale | 74,383 | $23.80 | 1,718,937 |
| 2015-04-30 | Tax withholding | 1,300 | $19.14 | 1,793,320 |
| 2015-04-01 | Tax withholding | 1,412 | $17.94 | 1,794,620 |
| 2015-02-15 | Grant / award (derivative) | 17,942 | $0.00 | 17,942 |
| 2015-02-15 | Grant / award (derivative) | 101,695 | $0.00 | 101,695 |
| 2015-02-15 | Grant / award (derivative) | 8,971 | $0.00 | 8,971 |
| 2015-02-15 | Grant / award | 8,971 | $0.00 | 1,797,525 |
| 2015-02-15 | Tax withholding | 1,493 | $16.72 | 1,796,032 |
| 2014-04-30 | Tax withholding | 928 | $15.68 | 1,793,579 |
| 2014-04-01 | Tax withholding | 995 | $16.64 | 1,794,507 |
| 2014-03-24 | Tax withholding | 2,374 | $16.42 | 1,795,502 |
| 2014-03-15 | Grant / award (derivative) | 24,271 | $0.00 | 24,271 |
| 2014-02-15 | Grant / award (derivative) | 94,488 | $0.00 | 94,488 |
| 2014-02-15 | Grant / award | 8,798 | $0.00 | 1,797,876 |
| 2013-08-12 | Open-market buy | 10,000 | $14.68 | 1,789,078 |
| 2013-04-01 | Grant / award (derivative) | 76,825 | $0.00 | 76,825 |
| 2013-04-01 | Grant / award | 8,319 | $0.00 | 1,779,078 |
| 2013-04-01 | Grant / award (derivative) | 97,879 | $0.00 | 97,879 |
| 2012-12-03 | Open-market sale | 13,000 | $16.38 | 1,770,759 |
| 2012-11-02 | Open-market sale | 8,939 | $16.17 | 1,783,759 |
| 2012-11-01 | Open-market sale | 8,061 | $16.44 | 1,792,698 |
| 2012-10-02 | Open-market sale | 29,710 | $15.46 | 1,800,759 |
| 2012-10-01 | Open-market sale | 25,203 | $15.45 | 1,830,469 |
| 2012-09-05 | Open-market sale | 6,900 | $13.10 | 1,855,672 |
| 2012-09-04 | Open-market sale | 6,477 | $13.00 | 1,862,572 |
| 2012-08-02 | Open-market sale | 1,100 | $12.16 | 1,869,049 |
| 2012-08-01 | Open-market sale | 4,392 | $12.31 | 1,870,149 |
| 2012-07-03 | Open-market sale | 900 | $12.71 | 1,874,541 |
| 2012-07-02 | Open-market sale | 15,333 | $12.49 | 1,875,441 |
| 2012-06-04 | Open-market sale | 592 | $11.05 | 1,890,774 |
| 2012-06-01 | Open-market sale | 4,668 | $11.37 | 1,891,366 |
| 2012-05-02 | Open-market sale | 3,220 | $12.78 | 1,896,034 |
| 2012-05-01 | Open-market sale | 3,505 | $12.92 | 1,899,254 |
| 2012-04-30 | Grant / award (derivative) | 69,085 | $0.00 | 69,085 |
| 2012-04-30 | Grant / award | 7,663 | $0.00 | 1,902,759 |
| 2012-04-03 | Open-market sale | 7,431 | $12.81 | 1,895,096 |
| 2012-04-02 | Open-market sale | 15,544 | $12.61 | 1,902,527 |
| 2012-03-26 | Tax withholding | 2,976 | $12.52 | 1,918,071 |
| 2012-03-02 | Open-market sale | 6,800 | $11.48 | 1,921,047 |
| 2012-03-01 | Open-market sale | 4,225 | $12.05 | 1,927,847 |
| 2012-02-02 | Open-market sale | 11,200 | $11.91 | 1,932,072 |
| 2012-02-01 | Open-market sale | 10,600 | $12.04 | 1,943,272 |
| 2012-01-18 | Open-market sale | 5,602 | $12.05 | 1,953,872 |
| 2012-01-17 | Open-market sale | 6,598 | $12.23 | 1,959,474 |
| 2011-12-20 | Tax withholding | 5,825 | $12.30 | 1,966,072 |
| 2011-03-24 | Grant / award (derivative) | 40,000 | $0.00 | 40,000 |
| 2011-03-24 | Grant / award | 19,858 | $0.00 | 1,971,897 |
| 2010-12-20 | Disposition to issuer | 100 | $1.00 | 10,100 |
| 2010-12-20 | Grant / award | 50,000 | $0.00 | 1,952,039 |
| 2010-12-20 | Grant / award | 1,891,939 | $0.00 | 1,902,039 |
| 2010-12-16 | Grant / award | 10,000 | $9.93 | 10,200 |
| 2010-12-16 | Open-market buy | 10,000 | $9.93 | 10,200 |
| 2010-12-15 | Grant / award | 100 | $10.00 | 200 |
| 2010-12-15 | Open-market buy | 100 | $10.00 | 200 |
| 2010-12-13 | — | — | — | 100 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.