Chairman and Chief Executive Officer · Seagate Technology Holdings plc (STX)

William Mosley

A named executive officer of Seagate Technology in every fiscal year CompBrief holds from FY2016 to FY2026. Every figure below is printed as the company filed it and cited to the filing it came from.

Velarion Intel: free for 3 days, no card →

Total disclosed compensation, FY2026

$26,918,702

FY2025: $17,176,927

1st of 5 named executive officers at Seagate Technology by FY2026 total.

5 named officers on file for Seagate Technology, FY2026

See an example →

What this number hides

The filing gives the total. Seagate Technology’s full Executive Compensation Report gives every award, the disclosed peer set and what the total leaves out — the pair adds the board’s.

Compensation figures as of the proxy filed September 8, 2026 (DEF 14A). Insider transactions since that proxy, current to 2026-11-07.

Free

Get William Mosley’s pay history as a PDF, right here and by email

The PDF adds what this page leaves out: up to 10 years of pay, a peer comparison, and the board on one page. Two emails at most, nothing else.

Also free: The Pay Desk, the weekly executive pay briefing.

Or track William Mosley and every company like it: Velarion Intel, free for 3 days, no card →

William Mosley compensation by year

Seagate Technology Summary Compensation Table · all 11 fiscal years held
In US dollars, as Seagate Technology reports it. Most recent year shaded. Totals are the company’s disclosed totals.
ComponentFY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025FY2026
Salary$623,095$784,626$953,850$1,084,623$1,100,008$1,100,008$1,100,008$973,084$676,928$1,100,008$1,275,017
Bonus$0$0$0$0$0$0$0$0$0$0$0
Stock awards$2,935,781$4,922,537$5,127,435$6,528,382$7,313,257$7,054,961$8,095,464$8,380,742$10,393,544$12,964,806$17,503,848
Option awards$732,418$1,282,149$1,449,425$1,684,831$1,900,012$1,474,825$2,019,842$2,074,982$2,553,855$3,103,580$8,132,267
Non-equity incentive$0$969,872$1,794,194$1,039,343$1,378,090$2,005,095$1,987,604$0$0$0$0
Pension and deferred compensation$0$0$0$0$0$0$0$0$0$0$0
All other$12,355$5,700$7,169$7,400$7,400$6,300$7,400$7,400$7,400$8,533$7,570
Total$4,303,649$7,964,883$9,332,073$10,344,579$11,698,767$11,641,189$13,210,318$11,436,208$13,631,727$17,176,927$26,918,702

Each year as stated in that year's proxy. A dash means the company reported no figure in that column. Source: Seagate Technology Holdings plc DEF 14A filed September 8, 2026, accession 0001137789-26-000207, and prior-year filings. Open the filing on EDGAR.

How this page was built: the Seagate Technology Holdings plc filed document, accession 0001137789-26-000207. Every figure is read from that document and cited to the page and table it appears in. Filed September 8, 2026.

$4.3M
$8.0M
$9.3M
$10.3M
$11.7M
$11.6M
$13.2M
$11.4M
$13.6M
$17.2M
$26.9M
FY16
FY17
FY18
FY19
FY20
FY21
FY22
FY23
FY24
FY25
FY26
SalaryNon-equity incentiveStock awardsOption awardsAll other

Equity holdings

unvested awards at FY2026 year-end
TypeUnvested unitsValue at year-endExercise price
RSU177,000$145,168,320—
RSU96,616$79,240,579—
RSU96,062$78,786,210—
RSU32,204$26,412,433—
RSU32,020$26,261,523—
RSU25,617$21,010,039—
RSU21,743$17,832,739—
RSU21,065$17,276,670—
RSU16,595$13,610,555—
RSU6,320$5,183,411—
RSU2,815$2,308,750—
Option7,505—$68.83

Per the Outstanding Equity Awards at Fiscal Year-End table in Seagate Technology Holdings plc's FY2026 proxy; value at the fiscal year-end close, as the company printed it. The 12 largest of 15 award rows shown.

Insider transactions since the last proxy

101 Form 4 lines since the FY2026 proxy (filed September 8, 2026)
current to 2026-11-07 · updated nightly
DateTransactionPlanSharesPriceHeld after
2026-11-02Sale10b5-1560$602.48365,070.25
2026-11-02Sale10b5-1520$612.35355,588.25
2026-11-02Sale10b5-1240$596.73368,271.25
2026-11-02Sale10b5-11,200$600.07366,030.25
2026-11-02Sale10b5-11,082$606.25361,788.25
2026-11-02Sale10b5-12,372$607.28359,416.25
2026-11-02Sale10b5-11,480$594.55369,189.25
2026-11-02Sale10b5-1920$613.44354,668.25

The 8 most recent of 101 lines, each as reported on the Form 4. "10b5-1" marks a trade the filing reports under a pre-arranged trading plan. View every Form 4 filing on EDGAR →

Seagate Technology’s named executive officers, FY2026

as the company reported each
Named executive officerRoleFY2026 total
William Mosley · this pageChairman and Chief Executive Officer$26,918,702
Gianluca RomanoExecutive Vice President and Chief Financial Officer$13,296,834
Ban Seng TehExecutive Vice President, Chief Commercial Officer$6,548,434
John MorrisExecutive Vice President, Chief Technology Officer$5,322,785
James LeeExecutive Vice President, Chief Legal Officer & Corporate Secretary$4,772,143

Board service

Seagate Technology board · FY2021–FY2026

How this board is paid

Company policy: Seagate Technology pays directors a $100,000 cash retainer and $275,000 in RSUs. As stated in Seagate Technology's FY2026 proxy.

The full Seagate Technology compensation record

free company brief

This page is one person within Seagate Technology's record. The company brief lists every named executive, each linking to their own page.

Peer companies

named in the Seagate Technology proxy · each links to its own free brief

Compensation, the day it’s disclosed

The CompBrief Daily Digest lists the newest executive and director compensation disclosures as companies file them. Or order Seagate Technology's full Executive Compensation Report with peer benchmarking.

How this record is built

Every figure on this page is one figure from a public SEC filing, printed as the filing states it and cited to the document. Compensation totals are Seagate Technology's own disclosed totals, not summed by Velarion. Insider transactions are read from Form 4 filings and cover every line filed since the most recent proxy. Nothing is estimated by Velarion; where the company does not disclose a value the cell reads "—", and a section appears only where the company discloses the data. Corrections: records@velarion.ai.

Order STX

Add the email the receipt and the PDF go to, then press the report you want. Each button opens its own card payment on Stripe.

Receipt, invoice, and report delivery. Guest checkout, no account required, secure payment by Stripe.

William Mosley's compensation dossier