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.
Seagate Technology Holdings plc (STX) reports that company officer Gianluca Romano filed a notice under Rule 144 covering a potential sale of 1,695 shares of common stock tied to restricted stock unit vesting on September 11, 2026. The filing also lists recent sales over the prior three months and states that sales are to be made pursuant to an issuer-mandated sell-to-cover arrangement solely to satisfy tax withholding obligations, rather than for discretionary liquidity purposes.
Seagate Technology Holdings plc (STX) has a notice from insider William D. Mosley under Rule 144 to sell Seagate common stock through Morgan Stanley. The notice lists 1,963 shares of common stock with an aggregate market value of $1,533,731.00, against 226,644,518 shares outstanding, with an approximate sale date of September 14, 2026 on NASDAQGS.
The shares relate to 3,319 restricted stock units vesting on September 11, 2026, described as compensation for services. The remarks state that sales will be made pursuant to an issuer-mandated sell-to-cover solely to satisfy tax withholding obligations. Over the prior three months Mosley sold 30,000 shares on July 1, 2026, 30,000 on August 3, 2026, 14,746 on August 21, 2026, 30,000 on September 1, 2026, and 2,849 on September 10, 2026, for the aggregate amounts shown.
Seagate Technology Holdings plc (STX) has an affiliate filing indicating that officer Ban Seng Teh plans a potential sale under Rule 144 of 989 shares of Seagate common stock, identified as restricted stock, with Morgan Stanley Smith Barney LLC Executive Financial Services listed as the broker and NASDAQ as the trading market.
The notice also reports Seagate common stock sales for Ban Seng Teh in the prior three months, including 663 shares on September 10, 2026, 9,862 shares on August 21, 2026, 6,048 shares on August 20, 2026, and 7,361 shares on August 13, 2026, with stated aggregate dollar amounts for each sale.
Seagate Technology Holdings plc (STX) executive Chong Kian Fatt, EVP Global Operations, reported the vesting and conversion of 581 restricted share units into 581 ordinary shares on September 9, 2026. An equal number of RSUs were removed as derivatives, so the filing shows no net change in share ownership from these transactions.
The RSUs relate to equity awards under Seagate’s equity incentive plans that vest over four years in quarterly installments. No transactions were reported as made under a Rule 10b5-1 trading plan, and no remaining derivative positions were listed in this filing.
Seagate Technology Holdings plc (STX) reported that EVP & Chief Commercial Officer Teh Ban Seng conducted several equity transactions. On September 9, 2026, he exercised Restricted Share Units that converted into 600 and 663 Ordinary Shares, respectively, at no cash exercise price. On September 10, 2026, he sold 663 Ordinary Shares at $860.09 per share in an open-market or private transaction pursuant to a Rule 10b5-1 trading plan adopted on February 11, 2026. The RSUs were granted under Seagate’s equity incentive plans with four-year vesting schedules.
Seagate Technology Holdings plc (STX) reported that EVP & CTO John Christopher Morris exercised restricted share units into 1,131 Ordinary Shares on September 9, 2026 and sold 572.25 Ordinary Shares on September 10, 2026 in open-market or private transactions at prices around $862 per share. No Rule 10b5-1 trading plan is reported, and the RSU grants vest over four-year periods under Seagate's equity incentive plans.
Seagate Technology Holdings plc (STX) reported that EVP & CFO Gianluca Romano sold a total of 1,348 Ordinary Shares on September 10, 2026 in open-market or private sales at prices around $862.13 per share. On September 9, 2026, previously granted Restricted Share Units (RSUs) under the 2022 Equity Incentive Plan were exercised, delivering 2,474 Ordinary Shares as part of multi-year vesting schedules.
Seagate Technology Holdings plc (STX) CEO and director William D. Mosley reported transactions involving company equity. On September 9, 2026 he exercised 5,230 Restricted Share Units into Ordinary Shares at a conversion price of $0.00 per share, tied to prior RSU grants under equity incentive plans. On September 10, 2026 he then sold an aggregate 2,849.25 Ordinary Shares in open-market or private transactions at prices around $862.13 per share, resulting in a net reported share disposition for this filing.
Seagate Technology Holdings plc (STX) has a notice of proposed sale filed on behalf of officer Gianluca Romano under Rule 144. Romano plans to sell 50,498 shares of common stock on September 11, 2026, via Morgan Stanley Smith Barney LLC, following an exercise of stock options for cash.
The notice also lists Romano’s sales of Seagate common stock during the prior three months, including transactions on August 7, August 21, September 9, and June 12, 2026, one of which is identified as 10b5-1 sales.
Seagate Technology Holdings plc (STX) has a notice of proposed sales under Rule 144 filed on behalf of officer John Christopher Morris. The notice covers a planned sale of 601 shares of common stock on or after September 10, 2026, with an aggregate market value of $518,022.27.
The shares relate to restricted stock units vesting on September 9, 2026 (631 and 500 underlying shares) granted as compensation for services. The filing states that sales will be made pursuant to issuer-mandated sell-to-cover transactions solely to satisfy tax withholding obligations, not as discretionary open-market sales.