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Mosley William D's Form 4 filing

Seagate Technology Holdings plcSTX · filed Jul 2, 2026

Accession no.
0001137789-26-000148
Filed
Jul 2, 2026, 4:40 PM ET
Trade date
Jul 1, 2026
Filing delay
1 day
Rule 10b5-1 plan
Checked

This filing lists 15 non-derivative transactions. Open-market sales total $8.64M. 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.

Reporting owners on this filing
OwnerRelationship to the company
Mosley William DCIK 0001388390Director, Officer (CEO)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Jul 1, 2026Ordinary SharesSSaleDisposed−1,480$919.64F2−$1,361,069.27319,380Direct
Jul 1, 2026Ordinary SharesSSaleDisposed−880$920.57F3−$810,102.74318,500Direct
Jul 1, 2026Ordinary SharesSSaleDisposed−880$921.80F4−$811,187.96317,620Direct
Jul 1, 2026Ordinary SharesSSaleDisposed−720$922.68F5−$664,331.62316,900Direct
Jul 1, 2026Ordinary SharesSSaleDisposed−1,160$923.83F6−$1,071,645.12315,740Direct
Jul 1, 2026Ordinary SharesSSaleDisposed−770$925.03F7−$712,269.79314,970Direct
Jul 1, 2026Ordinary SharesSSaleDisposed−1,019$926.17F8−$943,764.78313,951Direct
Jul 1, 2026Ordinary SharesSSaleDisposed−571$927.00F9−$529,316.37313,380Direct
Jul 1, 2026Ordinary SharesSSaleDisposed−620$928.10F10−$575,420.57312,760Direct
Jul 1, 2026Ordinary SharesSSaleDisposed−320$929.11F11−$297,313.6312,440Direct
Jul 1, 2026Ordinary SharesSSaleDisposed−280$930.10F12−$260,426.8312,160Direct
Jul 1, 2026Ordinary SharesSSaleDisposed−120$931.62F13−$111,794312,040Direct
Jul 1, 2026Ordinary SharesSSaleDisposed−320$932.94F14−$298,541.22311,720Direct
Jul 1, 2026Ordinary SharesSSaleDisposed−200$934.45F15−$186,890.4311,520Direct
Jul 1, 2026Ordinary SharesSSaleDisposed−3$936.36−$2,809.08311,517Direct

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 $919.19 to $920.18. 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.

F3

These Ordinary Shares were sold in multiple trades at prices ranging from $920.19 to $921.18. 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.

F4

These Ordinary Shares were sold in multiple trades at prices ranging from $921.20 to $922.19. 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.

F5

These Ordinary Shares were sold in multiple trades at prices ranging from $922.30 to $923.27. 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 $923.45 to $924.44. 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.

F7

These Ordinary Shares were sold in multiple trades at prices ranging from $924.54 to $925.51. 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 $925.54 to $926.51. 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 $926.54 to $927.43. 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.

F10

These Ordinary Shares were sold in multiple trades at prices ranging from $927.61 to $928.33. 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.

F11

These Ordinary Shares were sold in multiple trades at prices ranging from $928.63 to $929.22. 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 $929.67 to $930.23. 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.

F13

These Ordinary Shares were sold in multiple trades at prices ranging from $931.21 to $931.83. 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.

F14

These Ordinary Shares were sold in multiple trades at prices ranging from $932.65 to $933.54. 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 $934.30 to $934.61. 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.

Read the full filing on SEC EDGAR (opens in a new tab)