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.
The SEC filings page for Seagate Technology Holdings plc (NASDAQ: STX) provides access to the company’s official regulatory disclosures as a public limited company incorporated in Ireland and listed on The NASDAQ Global Select Market. These documents offer detailed insight into Seagate’s mass-capacity data storage business, financial condition, governance, and capital structure.
Through periodic and current reports such as Form 8-K, Seagate reports results of operations and financial condition, including quarterly and annual earnings, cash flow from operations, and free cash flow, along with reconciliations between GAAP and non-GAAP measures. 8-K filings also cover events like quarterly cash dividend declarations and the availability of supplemental financial information.
Seagate’s filings document financing and debt transactions, including exchange offers for multiple series of senior notes, issuance of new notes by subsidiaries, registration rights agreements, and privately negotiated exchanges of exchangeable senior notes for cash and ordinary shares. Related items describe supplemental indentures, covenant changes, and circumstances under which additional interest may accrue if registration obligations are not met.
Corporate governance topics appear in filings such as DEF 14A definitive proxy statements and governance-related 8-Ks. These materials outline the election of directors, advisory votes on executive compensation, approvals of equity and employee stock purchase plans, auditor ratification, and shareholder voting results. They also describe authorities granted to the board under Irish law to allot and issue shares, opt out of statutory pre-emption rights, and manage treasury shares.
On this page, users can review Seagate’s SEC filings in one place, while AI-powered tools summarize key points from forms such as 8-K and proxy statements. This helps readers quickly understand how Seagate reports its financial performance, manages its capital structure, and discloses governance decisions that may be relevant to STX shareholders and analysts.
Seagate Technology Holdings plc CEO William D. Mosley reported open-market sales of 20,000 Ordinary Shares on April 1, 2026, across 21 transactions at prices generally around $400–$428 per share. These were all non-derivative sales of existing shares.
After these trades, Mosley directly holds 355,591 Ordinary Shares. According to the disclosure, all transactions were effected under a Rule 10b5-1 trading plan adopted on February 20, 2025, indicating the sales were pre-arranged rather than discretionary.
MOSLEY submitted a Form 144 reporting multiple sales of Common stock under a 10b5-1 plan. The filing lists a 24,584-share sale on 03/19/2026 and three earlier 20,000-share sales on 03/02/2026, 02/02/2026, and 01/02/2026, with proceeds shown for each transaction.
Seagate Technology Holdings PLC ownership disclosure: The Vanguard Group filed Amendment No. 14 to a Schedule 13G/A reporting 0 shares beneficially owned and 0% of common stock as of the filing details. The amendment explains an internal realignment on January 12, 2026 that caused certain Vanguard subsidiaries or business divisions to report holdings separately.
The filing lists Vanguard's address and states that Vanguard entities retain rights to dividends or proceeds for accounts they manage; no single outside person holds more than 5% of the class according to the disclosure. The filing is signed by Ashley Grim, Head of Global Fund Administration.
Seagate Technology Holdings plc CEO William D. Mosley reported a sale of 24,584 ordinary shares on March 19, 2026. The transaction, coded as an open-market sale, is described in the notes as a contribution of Seagate securities to an exchange fund in return for an interest in that fund.
The contributed shares had an aggregate value of approximately $10,000,000, based on the closing stock price of the company’s common stock on March 18, 2026. Following this transaction, Mosley directly holds 375,591 Seagate ordinary shares, indicating he retains a substantial equity position in the company.
Seagate Technology Holdings plc EVP & CTO John Christopher Morris reported an open-market sale of 112 Ordinary Shares of Seagate on March 13, 2026 at an average price of $377.44 per share. After this transaction, he directly holds 17,580 Ordinary Shares. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on June 1, 2025.
Morgan Stanley Smith Barney LLC reported Rule 144 disclosures showing sales of Common Stock by John Morris. The filing lists 10b5-1 sales of $98,400.00 on 02/24/2026 (240 shares) and $32,983.57 on 12/15/2025 (113 shares). The filing also records Restricted Stock Units dated 03/09/2026.
Seagate Technology Holdings plc EVP & Chief Commercial Officer Teh Ban Seng exercised 989 restricted share units into 989 ordinary shares. The RSUs were granted under the Seagate Technology plc 2022 Equity Incentive Plan and vest over four years, with one-quarter vesting on September 11, 2024 and the remainder in equal quarterly installments, subject to continued employment.
After this derivative exercise on March 11, 2026, Teh directly holds 11,248 ordinary shares and 5,934 restricted share units.
Seagate Technology Holdings plc EVP & CFO Gianluca Romano exercised previously granted restricted share units that converted into 1,695 ordinary shares on March 11, 2026. These units were awarded under the Seagate Technology Holdings plc 2022 Equity Incentive Plan and vest over a four-year period, subject to continued employment.
To cover tax obligations on this vesting event, 847 ordinary shares were withheld at a price of $385.97 per share. After these transactions, Romano directly holds 65,335 ordinary shares of Seagate, reflecting routine compensation-related equity activity rather than an open-market share purchase or sale.
Seagate Technology Holdings plc executive vice president of global operations Chong Kian Fatt exercised restricted share units into ordinary shares as part of his equity compensation. On March 11, 2026, 678 restricted share units converted into 678 ordinary shares at a stated price of 0.0000 per share, reflecting a non-cash equity grant.
The footnote explains this award was granted under the Seagate Technology Holdings plc 2022 Equity Incentive Plan and vests over four years, with one-quarter vesting starting on September 11, 2024 and the remainder in equal quarterly installments. Following this vesting event, he directly holds 1,259 ordinary shares and 4,070 restricted share units.
Seagate Technology Holdings plc EVP & CTO John Christopher Morris exercised restricted share units into 942 ordinary shares as part of an equity award under the company’s 2022 Equity Incentive Plan. The award vests over four years, with quarterly installments following an initial vesting on September 11, 2024.
To cover tax obligations from this vesting event, 430 ordinary shares were withheld and disposed of at a price of 385.97 per share. After these routine compensation-related transactions, Morris directly holds 17,692 ordinary shares and 5,652 restricted share units.