MOSLEY WILLIAM D — SEC Form 4 filings
SEC reporting owner CIK 1388390. 62 Form 4 filings on record with FilingPulse; latest filed 2026-09-16.
Transaction summary — filings shown
Covers the 50 most recent of 62 filings on record, filed 2024-12-11 to 2026-09-16. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 350 legs across 33 filings — 844,301 shares, $328,700,426 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 113.
- Largest priced transaction: sale of 97,889 shares @ $772.14 ($75,584,519) in Seagate Technology Holdings plc, filed 2026-09-16.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Seagate Technology Holdings plc (STX) | CEO, Director | 48 | — | 350 legs · 844,301 sh · $328,700,426 | 107 |
| CIRRUS LOGIC, INC. (CRUS) | Director | 2 | — | — | 6 |
Form 4 filings — MOSLEY WILLIAM D
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-16 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 177,000 @ $0 · Sale (S): 97,889.25 @ $772.14 · Option exercise (M): 177,000 (derivative) @ $0 | EDGAR |
| 2026-09-15 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 3,319 @ $0 · Sale (S): 1,869.75 @ $781.23 · Option exercise (M): 3,319 (derivative) @ $0 | EDGAR |
| 2026-09-11 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 2,815 @ $0 · Sale (S): 1,533.50 @ $862.13 · Option exercise (M): 2,415 @ $0 · Sale (S): 1,315.75 @ $862.14 · Option exercise (M): 2,815 (derivative) @ $0 · Option exercise (M): 2,415 (derivative) @ $0 | EDGAR |
| 2026-09-03 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 14,000 @ $46.23 · Sale (S): 357 @ $804.61 · Sale (S): 160 @ $805.55 · Sale (S): 160 @ $807.19 · Sale (S): 960 @ $808.62 · Sale (S): 1,160 @ $809.55 · +22 more | EDGAR |
| 2026-08-24 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 6,404 @ $0 · Sale (S): 3,437.75 @ $849.35 · Option exercise (M): 21,065 @ $0 · Sale (S): 11,308 @ $849.35 · Option exercise (M): 6,320 @ $0 · Sale (S): 3,392.75 @ $849.35 · +7 more | EDGAR |
| 2026-08-04 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 400 @ $819.41 · Sale (S): 520 @ $820.35 · Sale (S): 575 @ $821.46 · Sale (S): 840 @ $822.56 · Sale (S): 1,120 @ $823.46 · Sale (S): 1,600 @ $824.57 · +13 more | EDGAR |
| 2026-08-04 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 14,000 @ $46.23 · Sale (S): 80 @ $783.84 · Sale (S): 40 @ $786.12 · Sale (S): 160 @ $787.77 · Sale (S): 120 @ $789.55 · Sale (S): 440 @ $790.98 · +25 more | EDGAR |
| 2026-07-31 | 4 | CIRRUS LOGIC, INC. (CRUS) | Grant/award (A): 1,998 @ $0 · Option exercise (M): 1,998 (derivative) @ $0 · Grant/award (A): 1,623 (derivative) @ $0 | EDGAR |
| 2026-07-02 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 14,000 @ $46.23 · Sale (S): 320 @ $887.97 · Sale (S): 320 @ $890.01 · Sale (S): 120 @ $891.13 · Sale (S): 200 @ $892.08 · Sale (S): 40 @ $892.93 · +25 more | EDGAR |
| 2026-07-02 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 1,480 @ $919.64 · Sale (S): 880 @ $920.57 · Sale (S): 880 @ $921.80 · Sale (S): 720 @ $922.68 · Sale (S): 1,160 @ $923.83 · Sale (S): 770 @ $925.03 · +9 more | EDGAR |
| 2026-06-15 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 3,319 @ $0 · Sale (S): 1,768.25 @ $880.19 · Option exercise (M): 3,319 (derivative) @ $0 | EDGAR |
| 2026-06-11 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 2,815 @ $0 · Sale (S): 1,536.50 @ $821.74 · Option exercise (M): 2,415 @ $0 · Sale (S): 1,318.25 @ $821.75 · Option exercise (M): 2,815 (derivative) @ $0 · Option exercise (M): 2,415 (derivative) @ $0 | EDGAR |
| 2026-06-02 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 14,000 @ $46.23 · Sale (S): 600 @ $884.62 · Sale (S): 360 @ $885.67 · Sale (S): 360 @ $886.72 · Sale (S): 240 @ $887.72 · Sale (S): 163 @ $888.89 · +25 more | EDGAR |
| 2026-06-02 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 320 @ $916.77 · Sale (S): 480 @ $918.75 · Sale (S): 1,691 @ $919.62 · Sale (S): 1,730 @ $920.90 · Sale (S): 1,807 @ $921.75 · Sale (S): 1,598 @ $922.95 · +14 more | EDGAR |
| 2026-05-21 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 14,000 @ $46.23 · Sale (S): 120 @ $742.00 · Sale (S): 560 @ $743.14 · Sale (S): 840 @ $744.52 · Sale (S): 1,264 @ $745.55 · Sale (S): 1,463 @ $746.53 · +15 more | EDGAR |
| 2026-04-02 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 100 @ $399.05 · Sale (S): 200 @ $400.33 · Sale (S): 100 @ $404.06 · Sale (S): 100 @ $407.48 · Sale (S): 200 @ $409.18 · Sale (S): 100 @ $410.83 · +15 more | EDGAR |
| 2026-03-23 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 24,584 @ $406.77 | EDGAR |
| 2026-03-12 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 3,319 @ $0 · Tax withholding (F): 1,658 @ $385.97 · Option exercise (M): 3,319 (derivative) @ $0 | EDGAR |
| 2026-03-11 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 2,815 @ $0 · Tax withholding (F): 1,406 @ $374.33 · Option exercise (M): 2,415 @ $0 · Tax withholding (F): 1,207 @ $374.33 · Option exercise (M): 2,815 (derivative) @ $0 · Option exercise (M): 2,415 (derivative) @ $0 | EDGAR |
| 2026-03-03 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 874 @ $375.84 · Sale (S): 326 @ $376.69 · Sale (S): 800 @ $377.95 · Sale (S): 1,740 @ $379.23 · Sale (S): 1,260 @ $380.42 · Sale (S): 800 @ $381.51 · +16 more | EDGAR |
| 2026-02-23 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 11,807 @ $0 · Tax withholding (F): 5,966 @ $411.11 · Option exercise (M): 11,807 (derivative) @ $0 | EDGAR |
| 2026-02-03 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 100 @ $401.10 · Sale (S): 100 @ $403.47 · Sale (S): 100 @ $411.90 · Sale (S): 200 @ $419.77 · Sale (S): 200 @ $421.17 · Sale (S): 400 @ $423.01 · +10 more | EDGAR |
| 2026-01-06 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 800 @ $281.09 · Sale (S): 2,000 @ $282.09 · Sale (S): 1,600 @ $283.22 · Sale (S): 1,800 @ $284.08 · Sale (S): 2,705 @ $285.23 · Sale (S): 3,586 @ $286.32 · +3 more | EDGAR |
| 2025-12-12 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 3,319 @ $0 · Tax withholding (F): 1,678 @ $307.85 · Option exercise (M): 3,319 (derivative) @ $0 | EDGAR |
| 2025-12-11 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 2,815 @ $0 · Tax withholding (F): 1,423 @ $282.86 · Option exercise (M): 2,415 @ $0 · Tax withholding (F): 1,221 @ $282.86 · Option exercise (M): 2,815 (derivative) @ $0 · Option exercise (M): 2,415 (derivative) @ $0 | EDGAR |
| 2025-12-02 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 1,093 @ $267.27 · Sale (S): 407 @ $268.58 · Sale (S): 650 @ $269.43 · Sale (S): 5,338 @ $270.29 · Sale (S): 5,718 @ $271.19 · Sale (S): 5,894 @ $272.24 · +2 more | EDGAR |
| 2025-11-05 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 1,500 @ $254.44 · Sale (S): 1,400 @ $255.98 · Sale (S): 1,000 @ $256.99 · Sale (S): 1,200 @ $258.08 · Sale (S): 1,000 @ $258.96 · Sale (S): 599 @ $260.32 · +7 more | EDGAR |
| 2025-10-03 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 600 @ $234.09 · Sale (S): 200 @ $235.24 · Sale (S): 400 @ $236.38 · Sale (S): 500 @ $237.83 · Sale (S): 300 @ $238.80 · Sale (S): 500 @ $240.02 · +15 more | EDGAR |
| 2025-09-15 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 3,319 @ $0 · Tax withholding (F): 1,678 @ $196.81 · Option exercise (M): 65,170 @ $0 · Tax withholding (F): 32,931 @ $195.99 · Option exercise (M): 3,319 (derivative) @ $0 · Grant/award (A): 65,170 (derivative) @ $0 · +1 more | EDGAR |
| 2025-09-11 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 9,007 @ $0 · Tax withholding (F): 4,552 @ $191.59 · Option exercise (M): 2,815 @ $0 · Tax withholding (F): 1,423 @ $191.59 · Option exercise (M): 9,662 @ $0 · Tax withholding (F): 4,883 @ $191.59 · +6 more | EDGAR |
| 2025-09-04 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 700 @ $164.80 · Sale (S): 342 @ $165.67 · Sale (S): 400 @ $166.60 · Sale (S): 5,843 @ $168.29 · Sale (S): 5,715 @ $169.06 · Sale (S): 7,000 @ $170.19 | EDGAR |
| 2025-08-22 | 4 | Seagate Technology Holdings plc (STX) | Grant/award (A): 153,700 (derivative) @ $0 · Grant/award (A): 25,617 (derivative) @ $0 · Grant/award (A): 21,065 (derivative) @ $0 · Grant/award (A): 6,320 (derivative) @ $0 | EDGAR |
| 2025-08-04 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 2,474 @ $151.63 · Sale (S): 2,544 @ $152.68 · Sale (S): 8,311 @ $153.67 · Sale (S): 4,825 @ $154.67 · Sale (S): 1,346 @ $155.84 · Sale (S): 500 @ $156.42 | EDGAR |
| 2025-07-29 | 4 | CIRRUS LOGIC, INC. (CRUS) | Grant/award (A): 1,624 @ $0 · Option exercise (M): 1,624 (derivative) @ $0 · Grant/award (A): 1,998 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 3,772 @ $143.41 · Sale (S): 5,262 @ $144.29 · Sale (S): 10,966 @ $145.26 | EDGAR |
| 2025-06-12 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 3,318 @ $0 · Tax withholding (F): 1,677 @ $126.49 · Option exercise (M): 3,318 (derivative) @ $0 | EDGAR |
| 2025-06-10 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 54,347 @ $54.78 · Sale (S): 54,347 @ $130.19 · Option exercise (M): 2,814 @ $0 · Tax withholding (F): 1,422 @ $130.17 · Option exercise (M): 54,347 (derivative) @ $0 · Option exercise (M): 2,814 (derivative) @ $0 | EDGAR |
| 2025-06-04 | 4/A | Seagate Technology Holdings plc (STX) | Option exercise (M): 50,000 @ $54.78 · Sale (S): 1,800 @ $106.00 · Sale (S): 3,828 @ $107.43 · Sale (S): 7,777 @ $108.08 · Sale (S): 5,195 @ $108.94 · Sale (S): 51,000 @ $110.00 · +3 more | EDGAR |
| 2025-06-04 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 2,699 @ $117.94 · Sale (S): 9,715 @ $118.73 · Sale (S): 7,586 @ $119.40 · Option exercise (M): 50,000 @ $54.78 · Sale (S): 50,000 @ $120.27 · Option exercise (M): 50,000 (derivative) @ $0 | EDGAR |
| 2025-05-23 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 1,800 @ $106.00 · Sale (S): 3,828 @ $107.43 · Sale (S): 7,777 @ $108.08 · Sale (S): 5,195 @ $108.94 · Sale (S): 51,000 @ $110.00 · Sale (S): 400 @ $111.06 | EDGAR |
| 2025-04-02 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 6,800 @ $84.14 · Sale (S): 13,200 @ $84.77 | EDGAR |
| 2025-03-12 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 3,318 @ $0 · Tax withholding (F): 1,677 @ $86.97 · Option exercise (M): 3,318 (derivative) @ $0 | EDGAR |
| 2025-03-10 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 2,814 @ $0 · Tax withholding (F): 1,422 @ $88 · Option exercise (M): 2,814 (derivative) @ $0 | EDGAR |
| 2025-03-04 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 6,281 @ $100.08 · Sale (S): 5,261 @ $101.42 · Sale (S): 6,002 @ $102.58 · Sale (S): 2,456 @ $103.24 | EDGAR |
| 2025-02-24 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 11,808 @ $0 · Tax withholding (F): 4,755 @ $102.64 · Option exercise (M): 11,808 (derivative) @ $0 | EDGAR |
| 2025-02-05 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 9,198 @ $93.68 · Sale (S): 7,385 @ $94.22 · Sale (S): 3,417 @ $95.16 | EDGAR |
| 2025-01-22 | 4 | Seagate Technology Holdings plc (STX) | Grant/award (A): 11,808 (derivative) @ $0 | EDGAR |
| 2025-01-06 | 4 | Seagate Technology Holdings plc (STX) | Sale (S): 12,204 @ $86.28 · Sale (S): 7,796 @ $87.23 | EDGAR |
| 2024-12-13 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 3,318 @ $0 · Tax withholding (F): 1,677 @ $98.39 · Option exercise (M): 3,318 (derivative) @ $0 | EDGAR |
| 2024-12-11 | 4 | Seagate Technology Holdings plc (STX) | Option exercise (M): 2,814 @ $0 · Tax withholding (F): 1,422 @ $98.97 · Option exercise (M): 2,814 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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