Mosley William D's Form 4 filing
Seagate Technology Holdings plc (STX) · filed Feb 3, 2026
- Accession no.
- 0001137789-26-000034
- Filed
- Feb 3, 2026
- Trade date
- Feb 2, 2026
- Filing delay
- 1 day
- Rule 10b5-1 plan
- Checked
This filing lists 16 non-derivative transactions. Open-market sales total $8.59M. 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 |
|---|---|---|---|---|---|---|---|---|
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −100 | $401.10 | −$40,110 | 429,956 | Direct | |
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −100 | $403.47 | −$40,347 | 429,856 | Direct | |
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −100 | $411.90 | −$41,190 | 429,756 | Direct | |
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −200 | $419.77F3 | −$83,954 | 429,556 | Direct | |
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −200 | $421.17F4 | −$84,234 | 429,356 | Direct | |
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −400 | $423.01F5 | −$169,204 | 428,956 | Direct | |
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −875 | $424.50F6 | −$371,437.5 | 428,081 | Direct | |
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −978 | $425.69F7 | −$416,324.82 | 427,103 | Direct | |
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −1,900 | $427.06F8 | −$811,414 | 425,203 | Direct | |
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −2,283 | $428.00F9 | −$977,124 | 422,920 | Direct | |
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −1,564 | $429.09F10 | −$671,096.76 | 421,356 | Direct | |
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −1,800 | $430.14F11 | −$774,252 | 419,556 | Direct | |
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −3,725 | $431.27F12 | −$1,606,480.75 | 415,831 | Direct | |
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −3,875 | $432.19F13 | −$1,674,736.25 | 411,956 | Direct | |
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −1,600 | $433.22F14 | −$693,152 | 410,356 | Direct | |
| Feb 2, 2026 | Ordinary Shares | SSaleDisposed | −300 | $434.31F15 | −$130,293 | 410,056 | 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.
- F3
These Ordinary Shares were sold in multiple trades at prices ranging from $419.29 to $420.25. 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 $420.96 to $421.37. 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 $422.88 to $423.23. 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 $424.11 to $424.81. 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 $425.26 to $426.20. 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 $426.60 to $427.55. 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 $427.60 to $428.56. 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 $428.61 to $429.60. 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 $429.63 to $430.58. 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.
- F12
These Ordinary Shares were sold in multiple trades at prices ranging from $430.70 to $431.67. 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 $431.74 to $432.67. 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 $432.93 to $433.89. 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 $433.96 to $434.48. 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.