Mosley William D's Form 4 filing
Seagate Technology Holdings plc (STX) · filed Mar 3, 2026
- Accession no.
- 0001137789-26-000050
- Filed
- Mar 3, 2026
- Trade date
- Mar 2, 2026
- Filing delay
- 1 day
- Rule 10b5-1 plan
- Checked
This filing lists 22 non-derivative transactions. Open-market sales total $7.70M. 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 |
|---|---|---|---|---|---|---|---|---|
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −874 | $375.84F2 | −$328,484.16 | 415,023 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −326 | $376.69F3 | −$122,800.94 | 414,697 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −800 | $377.95F4 | −$302,360 | 413,897 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −1,740 | $379.23F5 | −$659,860.2 | 412,157 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −1,260 | $380.42F6 | −$479,329.2 | 410,897 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −800 | $381.51F7 | −$305,208 | 410,097 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −3,500 | $382.41F8 | −$1,338,435 | 406,597 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −2,700 | $383.49F9 | −$1,035,423 | 403,897 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −2,700 | $384.51F10 | −$1,038,177 | 401,197 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −1,200 | $385.39F11 | −$462,468 | 399,997 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −300 | $387.54F12 | −$116,262 | 399,697 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −300 | $390.02F13 | −$117,006 | 399,397 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −500 | $392.09F14 | −$196,045 | 398,897 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −500 | $393.33F15 | −$196,665 | 398,397 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −600 | $394.75F16 | −$236,850 | 397,797 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −800 | $396.42F17 | −$317,136 | 396,997 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −200 | $397.61F18 | −$79,522 | 396,797 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −100 | $400.27 | −$40,027 | 396,697 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −300 | $402.09F19 | −$120,627 | 396,397 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −100 | $403.05 | −$40,305 | 396,297 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −300 | $405.02F20 | −$121,506 | 395,997 | Direct | |
| Mar 2, 2026 | Ordinary Shares | SSaleDisposed | −100 | $407.66 | −$40,766 | 395,897 | 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 $375.25 to $376.13. 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 $376.37 to $376.91. 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 $377.45 to $378.37. 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.
- F5
These Ordinary Shares were sold in multiple trades at prices ranging from $378.69 to $379.68. 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 $379.89 to $380.83. 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 $380.95 to $381.92. 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 $381.99 to $382.98. 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 $383.05 to $384.00. 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 $384.05 to $384.93. 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 $385.11 to $386.02. 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 $387.35 to $387.64. 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 $389.61 to $390.49. 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 $391.68 to $392.58. 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 $392.95 to $393.73. 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 $394.26 to $395.19. 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 $395.77 to $396.74. 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 $397.51 to $397.70. 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.
- F19
These Ordinary Shares were sold in multiple trades at prices ranging from $401.89 to $402.43. 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.
- F20
These Ordinary Shares were sold in multiple trades at prices ranging from $404.64 to $405.36. 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.