ARM Holdings plc Chief Financial Officer Jason Child reported a sale of 10,400 ordinary shares on September 21, 2026, at 300 per share. The ordinary shares are held in the form of American Depositary Shares, with each ADS representing one ordinary share. The sale was made under a Rule 10b5-1 trading plan adopted on May 22, 2026. His reported direct holdings afterward were 153,442 ordinary shares, including 10 shares acquired under the 2024 Employee Stock Purchase Plan on August 31, 2026.
ARM HOLDINGS PLC /UK (ARM) received a notice under Rule 144 that officer Jason E. Child, through Fidelity Brokerage Services LLC as attorney-in-fact, may sell up to 10,400 American Depositary Shares on NASDAQ, with an indicated aggregate market value of $3,120,000 as of September 21, 2026.
The notice states these shares relate to restricted stock that vested on May 15, 2024 (4,290 ADS) and May 15, 2025 (6,110 ADS). It also reports that during the prior three months, Child sold 10,400 ADS on August 27, 2026 for an aggregate value of $2,655,432.
Arm Holdings plc (ARM) furnished its U.K. Annual Report for the year ended March 31, 2026, showing strong top- and bottom-line growth and outlining strategy and risks as it expands deeper into AI and production silicon.
Group revenue was $4,920 million (2025: $4,007 million), with profit before tax of $960 million (2025: $756 million). Total operating costs rose to $4,098 million (2025: $3,076 million) driven by higher R&D, headcount and cloud/IT spending. Cash, short- and long-term deposits were $3,604 million and net assets $8,309 million.
Arm highlighted rapid adoption of its technology in AI across Edge, Cloud and Physical AI and the March 2026 launch of the Arm AGI CPU, its first Arm-designed production silicon. The base of Arm Total Access licences grew to 56 (from 44) and Arm Flexible Access licences to 329 (from 314); average headcount increased to 9,024 (from 7,676). Strategic reports detail principal risks, including intense competition, customer concentration, new risks from entering production silicon, cybersecurity threats, geopolitical and export-control exposure, and climate-related transition and physical risks. Arm reports a 76% emissions reduction versus its 2020 baseline and 100% renewable electricity usage, targeting a 50% absolute GHG cut by FYE30.
ARM HOLDINGS PLC /UK (symbol: ARM) is the issuer of record for a Form 4 filing submitted to the SEC. Abbey William reported acquisition or exercise transactions in this Form 4 filing.
ARM HOLDINGS PLC (ARM) reported that Chief Commercial Officer William Abbey received a grant of 17,288 Restricted Stock Units on September 14, 2026. Each RSU represents one Ordinary Share held in the form of an ADS, bringing his directly held RSU-based Ordinary Share equivalent to 65,270 shares after the grant.
The award vests over time: 50% of the RSUs vest on August 15, 2028 and the remaining 50% on August 15, 2029, in each case subject to his continued service to Arm Holdings plc.
ARM HOLDINGS PLC (ARM) reported that Chief Executive Officer and director Rene A. Haas received a grant of 425,000 Restricted Stock Units, each representing one Ordinary Share in ADS form. The award was approved on September 9, 2026 and vests only if ARM achieves market capitalization milestones of $1.0 trillion, $1.5 trillion, and $2.0 trillion by specified dates, with vesting two years after any achieved milestone and subject to continued employment. Haas also acquired 64 Ordinary Shares on August 31, 2026 under the employee stock purchase plan and transferred 57,405 Ordinary Shares to a grantor retained annuity trust for his benefit, which now holds those shares indirectly.
Arm Holdings plc (ARM) reported the results of its 2026 annual general meeting held on September 9, 2026. Shareholders, voting by poll with one vote per ordinary share or represented American Depositary Share, approved all ordinary resolutions, including receipt of the 2026 accounts, auditor matters, remuneration items, and re-election of all nominated directors.
The meeting re-appointed Deloitte LLP as auditors, authorized the audit committee to set auditor remuneration, approved the directors’ remuneration policy and report, and re-elected directors including Masayoshi Son, Rene Haas, Ronald D. Fisher, Jeffrey A. Sine, Karen E. Dykstra, Rosemary Schooler, Paul E. Jacobs, and Young Sohn. This report is incorporated by reference into specified Form S-8 registration statements.
ARM HOLDINGS PLC (ARM) Chief Financial Officer Jason Child reported selling 10,400 Ordinary Shares (held as ADSs, each representing 1 Ordinary Share) on August 27, 2026 at a price of $255.33 per share. Following this Rule 10b5-1 plan trade, he directly holds 163,832 Ordinary Shares.
ARM HOLDINGS PLC (ARM) has a notice of proposed sale under Rule 144 filed on behalf of Jason E. Child, an officer of the issuer. The filing covers the potential sale of 10,400 American Depositary Shares of ARM through Fidelity Brokerage Services LLC, with a stated aggregate market value of $2,655,432.00, to be sold on or after August 27, 2026 on NASDAQ. The ADS position relates to restricted stock that vested in two tranches earlier in 2024.
ARM HOLDINGS PLC /UK (ARM) reported insider equity compensation activity by Chief Accounting Officer Laura Kathleen Bartels. On 2026-08-17, 1,681 Restricted Stock Units vested and were converted into the same number of Ordinary Shares (held as ADSs). In connection with this vesting, 856 Ordinary Shares were withheld at $271.43 per share to satisfy tax withholding obligations. The filing does not report updated post-transaction share holdings.
ARM HOLDINGS PLC director Jeffrey Sine reported a bona fide gift of 9,572 American Depositary Shares (ADSs), each representing one ordinary share, on 2026-08-07. The ADSs were transferred to a charitable donor-advised fund, and his directly held ordinary share/ADS position reported in this filing became 0 shares afterward.