Every Form 4 that Arm Holdings (ARM) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow ARM and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full ARM filings page.
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) 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 /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.
ARM Holdings plc reported that Chief Accounting Officer Laura Kathleen Bartels executed an open-market sale of 11,306 Ordinary Shares on June 2, 2026. The weighted average sale price was $392.70 per share, with individual trades ranging from $392.60 to $393.09.
Following this transaction, Bartels directly holds 12,135 Ordinary Shares. The shares are Ordinary Shares with a nominal value of 0.001 GBP, held in the form of American Depositary Shares, with each ADS representing one Ordinary Share.
ARM Holdings Chief Commercial Officer William Abbey reported open-market sales of Ordinary Shares held as American Depositary Shares. He sold 3,922 shares at a weighted average price of $415.52 per share and 2,644 shares at $383.73 per share, totaling 6,566 shares. Each ADS represents one Ordinary Share, and he continues to hold a substantial direct equity stake following these transactions.
ARM Holdings PLC Chief Commercial Officer William Abbey sold 4,200 Ordinary Shares in an open-market transaction. The sale occurred on May 28, 2026 at a weighted average price of $343.81 per share, with individual trade prices ranging from $343.80 to $344.09. After this transaction, Abbey directly holds 27,129 Ordinary Shares. The shares are held in the form of American Depositary Shares, with each ADS representing one Ordinary Share.
Arm Holdings Chief Commercial Officer William Abbey reported an open-market sale of 2,300 Ordinary Shares on May 22, 2026. The shares, held in the form of American Depositary Shares, were sold at a weighted average price of $305.82 per share.
The sales prices ranged from $305.82 to $305.91, and Abbey now directly holds 31,329 Ordinary Shares. This filing reflects a partial sale while retaining a meaningful continuing equity stake in Arm Holdings.
Arm Holdings Chief Commercial Officer William Abbey reported an open-market sale of Ordinary Shares held as American Depositary Shares. On May 21, 2026, he sold 4,655 shares and received a weighted average price within a range of $287.02 to $287.15 per share. Following this transaction, Abbey directly holds 33,629 Ordinary Shares.
ARM Holdings Chief People Officer Charlotte Claire Eaton reported open-market sales of the company’s Ordinary Shares. She sold 5,000 shares on 2026-05-21 at a weighted average price around $291.08 per share and 2,805 shares the same day at $288.10 per share, totaling 7,805 shares. The Ordinary Shares have a nominal value of 0.001 GBP and are held in the form of American Depositary Shares, with each ADS representing one Ordinary Share.
ARM Holdings PLC Chief Legal Officer Spencer Collins sold 40,941 Ordinary Shares in an open-market transaction. The sale occurred at a price of $215.00 per share and reduced his directly held Ordinary Shares, which are represented by American Depositary Shares on a 1-to-1 basis, to zero following the transaction.
ARM Holdings plc Chief Commercial Officer William Abbey reported open-market sales of company stock. On May 19, 2026, he sold 10,887 Ordinary Shares, which are held as American Depositary Shares, at a weighted average price of $224.14 per share.
On May 20, 2026, he sold an additional 5,069 Ordinary Shares at a weighted average price of $257.18 per share, for total reported sales of 15,956 shares. After these transactions, Abbey directly holds 38,284 Ordinary Shares.
ARM Holdings Chief Financial Officer Jason Child sold 31,920 Ordinary Shares in open-market transactions at a price of $226.54 per share. The shares are held in the form of American Depositary Shares, with each ADS representing one Ordinary Share.
After the sale, Child still holds 174,232 Ordinary Shares, showing he maintains a significant remaining stake in the company. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan adopted by the reporting person, indicating the sale was scheduled in advance rather than timed opportunistically.
Arm Holdings Chief People Officer Charlotte Claire Eaton reported two open-market sales of Ordinary Shares, held as American Depositary Shares. She sold 3,100 shares on May 20, 2026 at a weighted average price of $252.25 per share, and 4,000 shares on May 21, 2026 at a weighted average price of $282.77 per share. The filing notes that actual sale prices on each day ranged within narrow bands around these averages. Following these transactions, Eaton directly owns 7,805 Ordinary Shares.
ARM Holdings Chief Accounting Officer Laura Kathleen Bartels reported mainly compensation-related equity activity. On May 15, 2026, she exercised vested restricted stock units into Ordinary Shares and had 3,383 Ordinary Shares withheld at $209.16 per share to cover taxes. She also received new equity awards of 69,570 and 16,645 restricted stock units, each convertible into the same number of Ordinary Shares after vesting. Following these transactions, she holds 23,441 Ordinary Shares directly, reflecting routine grant, vesting, and tax-withholding events rather than open-market buying or selling.
ARM Holdings plc Chief Commercial Officer William Abbey reported multiple equity compensation events and related share sales. On May 15, 2026, he exercised restricted stock units and received new awards, then sold 7,000 Ordinary Shares in an open-market transaction at about $212.55 per share and had 15,317 shares withheld to cover taxes.
Following the reported transactions, Abbey directly held 57,394 Ordinary Shares. The filing also reports previously delinquent open-market sales of 1,577 shares at $199.00 and 1,577 shares at $221.99, which were executed under a Rule 10b5-1 trading plan.
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.
Arm Holdings director Young Sohn reported equity compensation activity involving restricted stock units and ordinary shares. On May 15, 2026, 2,141 RSUs were exercised into 2,141 Ordinary Shares held as ADSs, and 429 Ordinary Shares were withheld to cover tax obligations on the RSU vesting. Following these transactions, Sohn directly holds 2,396 Ordinary Shares. On the same date, he received a new grant of 1,531 RSUs that will vest in full on May 15, 2027, with ADS delivery deferred until his service on the Board of Directors ends.
ARM Holdings plc Chief Legal Officer Spencer Collins sold Ordinary Shares held as American Depositary Shares in a series of open-market transactions. On May 11, 2026, he sold a total of 51,961 Ordinary Shares across eight trades at reported prices such as $214.41, $213.59, $212.51, $211.46, $210.53, $209.52, $208.68 and $207.77 per share. Footnotes explain these are weighted average prices, with actual sale prices ranging from $207.01 to $214.94. Following these sales, Collins reported holding 0 Ordinary Shares directly.
ARM Holdings' Chief Financial Officer Jason Child sold 21,280 Ordinary Shares in an open-market transaction. The sale occurred at a price of $180.00 per share on April 22, 2026. After this sale, he continues to hold 153,426 Ordinary Shares directly.
The Ordinary Shares are held in the form of American Depositary Shares, with each ADS representing one Ordinary Share. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan adopted by the reporting person, indicating the sale was scheduled in advance.
ARM Holdings Chief Executive Officer Rene A. Haas reported open-market sales of a total of 9,299 Ordinary Shares on April 14, 2026. The shares, held as American Depositary Shares where each ADS represents one Ordinary Share, were sold in three blocks at weighted average prices of $160.57, $161.21, and $163.00 per share. After these transactions, Haas directly holds 273,680 Ordinary Shares. The sales were executed under a pre-arranged Rule 10b5-1 trading plan.
ARM Holdings Chief Executive Officer Rene A. Haas reported open‑market sales of 31,853 Ordinary Shares on March 25–26, 2026, at prices around $160–$163 per share. These Ordinary Shares are held as American Depositary Shares, with each ADS representing one Ordinary Share.
After the transactions, Haas directly holds 282,979 Ordinary Shares/ADSs. The filing notes that the sales were carried out under a pre‑arranged Rule 10b5‑1 trading plan adopted by the reporting person on June 11, 2025, indicating the trades were scheduled in advance.
ARM Holdings PLC Chief Financial Officer Jason Child sold 21,280 Ordinary Shares in an open-market transaction. The sale was executed at an average price of $148.37 per share. After this transaction, he directly holds 174,706 Ordinary Shares.
The shares are held as American Depositary Shares, with each ADS representing one Ordinary Share. The transaction was carried out under a pre-arranged Rule 10b5-1 trading plan adopted by Child on May 30, 2025, indicating the sale was scheduled in advance.