ARM Holdings Chief Architect Richard Roy Grisenthwaite reported a set of equity compensation events and a share sale. On May 15, 2026, multiple performance-based restricted stock units vested and were converted into Ordinary Shares held as American Depositary Shares, while 21,301 Ordinary Shares were withheld to cover tax obligations on these RSU vestings. He also received new RSU awards, including 34,785 performance-based RSUs and 6,648 RSUs with future vesting schedules. On May 18, 2026, he executed an open-market sale of 24,339 Ordinary Shares at a weighted average price of about $209.15 per share, leaving no directly held Ordinary Shares after the sale.
ARM Holdings Chief Legal Officer Spencer Collins reported multiple equity compensation events on May 15, 2026. He received several grants and vesting of restricted stock units that converted into Ordinary Shares, while 36,310 shares were withheld at $209.16 per share to cover tax obligations. These are compensation-related transactions rather than open‑market trades.
ARM HOLDINGS PLC Chief People Officer Charlotte Claire Eaton reported a mix of equity compensation transactions in Ordinary Shares and Restricted Stock Units on May 15, 2026. The activity reflects RSU vesting, new awards, and shares withheld for taxes, rather than open‑market trading.
Eaton exercised RSUs into 2,200 Ordinary Shares and received an additional 5,612 Ordinary Shares as an award. To cover tax obligations on vesting, 3,672 Ordinary Shares were withheld at $209.16 per share. She also received 8,044 new RSUs with future vesting dates.
Following these transactions, Eaton directly holds 14,905 Ordinary Shares and has 125,705 RSUs outstanding, each RSU representing the right to receive one Ordinary Share in the form of an American Depositary Share.
ARM HOLDINGS PLC Chief Executive Officer Rene A. Haas reported equity compensation changes involving the company’s Ordinary Shares on May 15, 2026. Haas received several grants of performance-based restricted stock units (RSUs) that vested after the Remuneration Committee certified required performance conditions.
The vested RSUs delivered new Ordinary Shares, each represented by one American Depositary Share. In connection with this vesting, 143,316 Ordinary Shares were withheld at $209.16 per share to cover tax obligations, a non-market, tax-withholding disposition rather than an open-market sale. After these transactions, one line in the filing shows Haas directly holding 396,007 Ordinary Shares.
ARM Holdings Chief Financial Officer Jason Child reported a series of equity compensation transactions involving Ordinary Shares and Restricted Stock Units on May 15, 2026. He received multiple share awards and RSU-related share deliveries while a portion of shares was withheld to cover taxes.
The filing shows 37,950 Ordinary Shares withheld at $209.16 per share to satisfy tax obligations upon RSU vesting. Child also acquired Ordinary Shares through RSU conversions and grants, ending with 244,102 Ordinary Shares held directly. Additional performance-based RSUs vested and new RSU awards were granted with multi-year vesting schedules extending to May 15, 2029.
ARM Holdings director Paul E. Jacobs reported equity compensation activity involving Ordinary Shares and Restricted Stock Units (RSUs). On May 15, 2026, he exercised 2,141 RSUs into 2,141 Ordinary Shares, increasing his direct ownership of Ordinary Shares to 7,442 shares.
He also received a new grant of 1,531 RSUs, each representing the right to receive one Ordinary Share held in the form of an American Depositary Share (ADS). The filing notes that one RSU grant vested in full on May 15, 2026, and another RSU award will vest in full on May 15, 2027, subject to continued service. No open-market purchases or sales were reported.
FISHER RONALD D reported acquisition or exercise transactions in this Form 4 filing.
ARM Holdings plc director Ronald D. Fisher received a grant of 1,531 Restricted Stock Units (RSUs), each tied to one Ordinary Share held as an American Depositary Share (ADS). This is a compensation-related award, not an open-market stock purchase or sale.
The RSUs will vest in full on May 15, 2027, provided he continues serving on the Board. Although vesting occurs then, the ADSs will only be delivered when his Board service ends, reflecting his election to defer delivery. Following this grant, he is reported as holding 5,802 RSUs directly.
Arm Holdings director Jeffrey Sine reported compensation-related equity activity involving restricted stock units (RSUs) and ordinary shares held as American Depositary Shares (ADSs). On May 15, 2026, RSUs covering 2,141 ordinary shares vested in full and were exercised into 2,141 ordinary shares.
On the same date, Sine also received a new grant of 1,531 RSUs, each representing one ordinary share in ADS form. These new RSUs are scheduled to vest in full on May 15, 2027, subject to continued service to Arm Holdings plc. Following the transactions, Sine directly holds 9,572 ordinary shares and 1,531 RSUs.
DYKSTRA KAREN E reported acquisition or exercise transactions in this Form 4 filing.
ARM Holdings plc director Karen E. Dykstra received a grant of 1,531 restricted stock units (RSUs). Each RSU represents one Ordinary Share held in the form of an American Depositary Share (ADS). After this award, she holds a total of 5,802 RSUs.
The RSUs will vest in full on May 15, 2027, subject to her continued service on the Board. Although vesting occurs in 2027, delivery of the corresponding ADSs will be deferred until the date her Board service ends, reflecting her election to defer receipt.
ARM Holdings director Rosemary Schooler reported equity compensation activity involving Ordinary Shares and Restricted Stock Units (RSUs). On May 15, 2026, RSUs covering 2,141 Ordinary Shares vested in full and were exercised into the same number of Ordinary Shares held as American Depositary Shares (ADSs), leaving her with 9,572 Ordinary Shares directly owned.
On the same date, she received a new grant of 1,531 RSUs, each representing the right to receive one Ordinary Share in ADS form. These RSUs are scheduled to vest in full on May 15, 2027, subject to her continued service on the Board. Delivery of the related ADSs will occur upon the termination of her Board service, consistent with her election to defer settlement.