Welcome to our dedicated page for Seagate Technology Hldngs Plc SEC filings (Ticker: STX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Seagate Technology Holdings plc filings document material-event disclosures for an Ireland-incorporated data storage company whose ordinary shares trade on the Nasdaq Global Select Market under STX. Recent Form 8-K filings cover operating and financial results, quarterly cash dividend declarations, supplemental financial information, and Regulation FD disclosures.
The company’s filings also record capital-structure activity involving ordinary-share issuances, private-placement exemptions, material agreements, shareholder voting matters, equity compensation plans, and board-level governance changes. These disclosures describe Seagate’s public-company reporting obligations alongside its mass-capacity storage business and listed ordinary-share structure.
Yolanda Lee Conyers, a director of Seagate Technology Holdings plc (STX), reported sales of ordinary shares executed on 09/02/2025 under a Rule 10b5-1 trading plan adopted on June 5, 2024. The Form 4 discloses three groups of sales: 74 shares at a weighted average price of $164.64, 333 shares at $168.4789, and 343 shares at $170.0077. The filer certifies the transactions were effected under the trading plan and offers to provide detailed trade-level prices and quantities upon request. The form was signed by an attorney-in-fact on behalf of the reporting person.
Seagate Technology Holdings plc (STX) insider sales by CEO/Director William D. Mosley. The Form 4 reports multiple open-market sales on 09/02/2025 executed under a Rule 10b5-1 trading plan adopted February 20, 2025. The reporting person sold blocks of Ordinary Shares: 700 at a weighted average $164.8021, 342 at $165.6669, 400 at $166.6025, 5,843 at $168.2874, 5,715 at $169.0589 and 7,000 at $170.1923. Following these transactions, the filing shows 478,212 shares, then sequentially lower counts down to 458,912 shares, reflecting the cumulative sales. The Form 4 was signed by an attorney-in-fact on 09/04/2025.
Seagate Technology Holdings PLC (STX) Form 144 reports a proposed sale of 750 shares of common stock through Morgan Stanley Smith Barney for an aggregate market value of $125,550, with an approximate sale date of 09/02/2025 on Nasdaq. The filer indicates the shares were acquired as Restricted Stock Units on 10/23/2023 from the issuer and that no sales by the same person occurred in the past three months. The notice includes the standard representation that the seller is not aware of any material nonpublic information and references Rule 10b5-1 procedures if applicable.
Seagate Technology Holdings PLC (STX) Form 144 notifies of a proposed sale by WILLIAM MOSLEY of 20,000 common shares through Morgan Stanley Smith Barney on 09/02/2025, with an aggregate market value listed as $3,348,000.00. The shares were originally acquired as Performance Stock Units on 09/27/2019. The filing also lists four 10b5-1 sales during June–August 2025 totaling 144,347 shares with gross proceeds shown for each transaction. The filer certifies no undisclosed material adverse information and references Rule 10b5-1 procedures.
Seagate Technology Holdings plc (STX) director Thomas A. Szlosek received a grant of 470 restricted share units (RSUs) on 08/23/2025 under the 2022 Equity Incentive Plan for no consideration. Each RSU represents a contingent right to one ordinary share. Subject to Szlosek's continuous service, the underlying shares will be released on the date of the next annual general meeting of shareholders following the fiscal year ending June 27, 2025. Following the award, the reporting person beneficially owns 470 ordinary shares attributable to these RSUs; the transaction was reported on Form 4 with an 08/26/2025 signature by attorney-in-fact.
Form 3 filed for Seagate Technology Holdings plc (STX) by Thomas A. Szlosek reports his appointment as a director and states no securities are beneficially owned as of the event date. The filing lists the reporting persons address in Fremont, CA and the date of the event requiring the statement as 08/23/2025. The form is signed by an attorney-in-fact, Louis J. Thorson, on 08/26/2025.
Seagate Technology Holdings plc appointed Thomas (Tom) Szlosek to its Board of Directors effective August 23, 2025. The Board determined Mr. Szlosek to be an independent director under Nasdaq rules and named him to the audit and finance committee. He will serve until the next annual general meeting when shareholders are expected to vote on his election.
Mr. Szlosek will receive Seagate's standard non-employee director compensation: an annual cash retainer of $100,000, a prorated initial restricted share unit grant valued at $275,000 (converted into shares using the prior quarter's average closing price), and an additional $15,000 per year for audit and finance committee service. Seagate and Mr. Szlosek will execute previously filed indemnification agreements. The filing states there are no related-party transactions requiring disclosure.
Seagate Technology Holdings plc (STX): Form 4 filing reporting equity awards to John Christopher Morris, EVP & CTO. The filing shows a non-qualified stock option for 18,816 shares with an exercise price of $158.40, granted 08/20/2025 and exercisable through 08/20/2032. The filing also reports three grants of Restricted Share Units (RSUs) totaling 12,347 ordinary shares (7,056; 4,070; 1,221) awarded 08/20/2025. The option and RSUs are held directly by the reporting person and vest on schedules described in the explanation: a four-year schedule for the option and certain RSUs, and a one-year cliff for one RSU grant.
William D. Mosley, identified as a director and CEO of Seagate Technology Holdings plc (STX), reported equity awards granted on 08/20/2025. The report shows a non-qualified stock option for 153,700 ordinary shares with an exercise/conversion price of $158.4 and an expiration noted as 08/20/2032. In addition, three restricted share unit (RSU) awards were reported totaling 25,617, 21,065, and 6,320 RSUs, each converting to ordinary shares on vesting.
The option award is subject to a four-year vesting schedule with 25% vesting on 08/20/2026 and the remainder vesting monthly over the following three years, subject to continued employment. One RSU tranche vests 25% on 08/20/2026 then quarterly thereafter; two other RSU tranches have vesting provisions, including one that vests 100% on the first anniversary (08/20/2026), all subject to continued employment.
Gianluca Romano, Seagate Technology Holdings plc EVP & CFO, received equity awards on August 20, 2025. The filings show a grant of 53,756 non-qualified stock options with an exercise price of $158.40 and an August 20, 2032 expiration, plus 32,026 restricted share units (RSUs) delivered in three tranches (20,158; 9,129; 2,739). The options and RSUs are subject to time-based vesting: 25% of the option grant vests on August 20, 2026 with the remainder vesting monthly over the next three years; one RSU tranche vests 25% on August 20, 2026 then quarterly thereafter, and two RSU tranches vest 100% on the first anniversary (August 20, 2026). All holdings reported are direct.