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Mosley William D's Form 4 filing

Seagate Technology Holdings plc (STX) · filed Sep 3, 2026

Accession no.
0001137789-26-000197
Filed
Sep 3, 2026, 4:51 PM ET
Trade date
Sep 1, 2026
Filing delay
2 days
Rule 10b5-1 plan
Checked

This filing lists 27 non-derivative transactions and 1 derivative transaction. Open-market sales total $24.5M. It was filed 2 days 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
Sep 1, 2026Ordinary SharesMOption exerciseAcquired+14,000$46.23+$647,220325,167.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−357$804.61−$287,245.16324,810.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−160$805.55−$128,887.7324,650.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−160$807.19−$129,150.8324,490.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−960$808.62−$776,275.3323,530.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−1,160$809.55−$939,079.62322,370.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−1,105$810.78−$895,915.55321,265.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−1,578$811.73−$1,280,906.15319,687.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−1,200$812.55−$975,056.76318,487.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−2,040$813.74−$1,660,027.15316,447.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−2,878$814.75−$2,344,852.51313,569.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−4,555$815.75−$3,715,738.06309,014.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−4,287$816.75−$3,501,391.39304,727.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−2,080$817.71−$1,700,829.1302,647.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−1,040$818.78−$851,533.38301,607.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−1,320$819.84−$1,082,194.34300,287.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−920$820.89−$755,221.56299,367.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−480$822.05−$394,583.86298,887.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−600$822.89−$493,734298,287.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−1,240$824.05−$1,021,820.02297,047.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−600$824.93−$494,960.82296,447.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−580$826.00−$479,079.01295,867.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−340$826.86−$281,132.4295,527.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−120$827.90−$99,347.6295,407.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−80$829.10−$66,327.6295,327.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−80$830.36−$66,428.8295,247.5Direct
Sep 1, 2026Ordinary SharesSSaleDisposed−80$832.05−$66,563.6295,167.5Direct

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
Sep 1, 2026Ordinary SharesMOption exerciseDisposed−14,000$0.00$097,100Direct

Footnotes

Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.

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