Mosley William D's Form 4 filing
Seagate Technology Holdings plc (STX) · filed Apr 2, 2026
- Accession no.
- 0001137789-26-000076
- Filed
- Apr 2, 2026
- Trade date
- Apr 1, 2026
- Filing delay
- 1 day
- Rule 10b5-1 plan
- Checked
This filing lists 21 non-derivative transactions. Open-market sales total $8.41M. It was filed 1 day after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Mosley William DCIK 0001388390 | Director, Officer (CEO) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −100 | $399.05 | −$39,905 | 375,491 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −200 | $400.34F2 | −$80,068 | 375,291 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −100 | $404.06 | −$40,406 | 375,191 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −100 | $407.48 | −$40,748 | 375,091 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −200 | $409.18F3 | −$81,836 | 374,891 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −100 | $410.83 | −$41,083 | 374,791 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −300 | $412.28F4 | −$123,684 | 374,491 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −300 | $413.97F5 | −$124,191 | 374,191 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −800 | $415.23F6 | −$332,184 | 373,391 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −1,100 | $416.56F7 | −$458,216 | 372,291 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −808 | $417.45F8 | −$337,299.6 | 371,483 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −1,092 | $418.79F9 | −$457,318.68 | 370,391 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −1,500 | $419.94F10 | −$629,910 | 368,891 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −2,900 | $420.77F11 | −$1,220,233 | 365,991 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −2,887 | $421.84F12 | −$1,217,852.08 | 363,104 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −2,444 | $422.93F13 | −$1,033,640.92 | 360,660 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −1,469 | $423.98F14 | −$622,826.62 | 359,191 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −1,500 | $424.92F15 | −$637,380 | 357,691 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −1,000 | $425.94F16 | −$425,940 | 356,691 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −800 | $426.93F17 | −$341,544 | 355,891 | Direct | |
| Apr 1, 2026 | Ordinary Shares | SSaleDisposed | −300 | $427.97F18 | −$128,391 | 355,591 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
These Ordinary Shares were sold in multiple trades at prices ranging from $400.14 to $400.53. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F3
These Ordinary Shares were sold in multiple trades at prices ranging from $409.03 to $409.33. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F4
These Ordinary Shares were sold in multiple trades at prices ranging from $412.05 to $412.40. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F5
These Ordinary Shares were sold in multiple trades at prices ranging from $413.57 to $414.29. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F6
These Ordinary Shares were sold in multiple trades at prices ranging from $414.85 to $415.69. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F7
These Ordinary Shares were sold in multiple trades at prices ranging from $416.18 to $417.14. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F8
These Ordinary Shares were sold in multiple trades at prices ranging from $417.22 to $418.18. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F9
These Ordinary Shares were sold in multiple trades at prices ranging from $418.22 to $419.10. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F10
These Ordinary Shares were sold in multiple trades at prices ranging from $419.33 to $420.31. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F11
These Ordinary Shares were sold in multiple trades at prices ranging from $420.35 to $421.30. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F12
These Ordinary Shares were sold in multiple trades at prices ranging from $421.37 to $422.35. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F13
These Ordinary Shares were sold in multiple trades at prices ranging from $422.41 to $423.37. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F14
These Ordinary Shares were sold in multiple trades at prices ranging from $423.41 to $424.38. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F15
These Ordinary Shares were sold in multiple trades at prices ranging from $424.46 to $425.44. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F16
These Ordinary Shares were sold in multiple trades at prices ranging from $425.46 to $426.19. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F17
These Ordinary Shares were sold in multiple trades at prices ranging from $426.47 to $427.45. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.
- F18
These Ordinary Shares were sold in multiple trades at prices ranging from $427.63 to $428.14. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.