Form 4 for ARM ARM HOLDINGS PLC /UK
Accepted 2026-05-19 17:07:32 ET · period of report 2026-05-15 · accession 0001533913-26-000007 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-05-19 17:07 | 2026-05-15 | ARM | Child Jason | CFO | A - Grant | — | +81.4K | 244.1K | +50% | — |
| DM | 2026-05-19 17:07 | 2026-05-15 | ARM | Child Jason | CFO | M - OptEx | — | +9,317 | 186.5K | +5% | — |
| D | 2026-05-19 17:07 | 2026-05-15 | ARM | Child Jason | CFO | F - Tax | $209.16 | -38.0K | 206.2K | -16% | -$7.94M |
| D | 2026-05-19 17:07 | 2026-05-15 | ARM | Child Jason | CFO | A - Grant | $0.00 | +14.8K | 149.3K | +11% | $0 |
| DM | 2026-05-19 17:07 | 2026-05-15 | ARM | Child Jason | CFO | M - OptEx | $0.00 | -9,317 | 140.0K | -6% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Ordinary Shares | 2026-05-15 | A | A | 11,909 | — | 165,335 | D | — | — | (F1) Ordinary shares, nominal value 0.001 GBP per share ("Ordinary Shares"), are held in the form of American Depositary Shares ("ADSs"). Each ADS represents 1 Ordinary Share. (F2) Represents performance-based restricted stock units granted on May 1, 2025, which vested on May 15, 2026, following certification of the satisfaction of certain performance conditions by the Remuneration Committee (the "Remuneration Committee") of the Board of Directors of the Company. (F3) Each restricted stock unit ("RSU") represents the right to receive, following vesting, 1 Ordinary Share held in the form of an ADS. |
| 2 | Common | Ordinary Shares | 2026-05-15 | M | A | 4,670 | — | 170,005 | D | — | — | (F1) Ordinary shares, nominal value 0.001 GBP per share ("Ordinary Shares"), are held in the form of American Depositary Shares ("ADSs"). Each ADS represents 1 Ordinary Share. (F4) This RSU award was granted on May 1, 2025. 30% of the award vested on May 15, 2026. 30% of the award will vest on May 15, 2027, and the remaining 40% will vest on May 15, 2028, subject to continued service to the Company. (F3) Each restricted stock unit ("RSU") represents the right to receive, following vesting, 1 Ordinary Share held in the form of an ADS. |
| 3 | Common | Ordinary Shares | 2026-05-15 | A | A | 11,849 | — | 181,854 | D | — | — | (F1) Ordinary shares, nominal value 0.001 GBP per share ("Ordinary Shares"), are held in the form of American Depositary Shares ("ADSs"). Each ADS represents 1 Ordinary Share. (F5) Represents performance-based RSUs granted on May 13, 2024, which vested on May 15, 2026, following certification of the satisfaction of certain performance conditions by the Remuneration Committee. (F3) Each restricted stock unit ("RSU") represents the right to receive, following vesting, 1 Ordinary Share held in the form of an ADS. |
| 4 | Common | Ordinary Shares | 2026-05-15 | M | A | 4,647 | — | 186,501 | D | — | — | (F1) Ordinary shares, nominal value 0.001 GBP per share ("Ordinary Shares"), are held in the form of American Depositary Shares ("ADSs"). Each ADS represents 1 Ordinary Share. (F6) This RSU award was granted on May 13, 2024, 30% of which vested on each of May 15, 2025 and May 15, 2026. The remaining 40% will vest on May 15, 2027, subject to continued service to the Company. (F3) Each restricted stock unit ("RSU") represents the right to receive, following vesting, 1 Ordinary Share held in the form of an ADS. |
| 5 | Common | Ordinary Shares | 2026-05-15 | A | A | 57,601 | — | 244,102 | D | — | — | (F1) Ordinary shares, nominal value 0.001 GBP per share ("Ordinary Shares"), are held in the form of American Depositary Shares ("ADSs"). Each ADS represents 1 Ordinary Share. (F7) Represents performance-based RSUs granted on May 23, 2023, which vested on May 15, 2026, following certification of the satisfaction of certain performance conditions by the Remuneration Committee. (F3) Each restricted stock unit ("RSU") represents the right to receive, following vesting, 1 Ordinary Share held in the form of an ADS. |
| 6 | Common | Ordinary Shares | 2026-05-15 | F | D | 37,950 | $209.16 | 206,152 | D | — | — | (F1) Ordinary shares, nominal value 0.001 GBP per share ("Ordinary Shares"), are held in the form of American Depositary Shares ("ADSs"). Each ADS represents 1 Ordinary Share. (F8) Ordinary Shares withheld to satisfy tax withholding requirements on vesting of RSUs. |
| 7 | Derivative | Restricted Stock Units | 2026-05-15 | A | A | 14,842 | $0.00 | 149,268 | D | — · — to — | 14,842 Ordinary Shares | (F3) Each restricted stock unit ("RSU") represents the right to receive, following vesting, 1 Ordinary Share held in the form of an ADS. (F9) This RSU award was granted effective May 15, 2026. 30% will vest on each of May 15, 2027, and May 15, 2028, and the remaining 40% will vest on May 15, 2029, subject to continued service to the Company. (F9) This RSU award was granted effective May 15, 2026. 30% will vest on each of May 15, 2027, and May 15, 2028, and the remaining 40% will vest on May 15, 2029, subject to continued service to the Company. |
| 8 | Derivative | Restricted Stock Units | 2026-05-15 | M | D | 4,670 | $0.00 | 144,598 | D | — · — to — | 4,670 Ordinary Shares | (F3) Each restricted stock unit ("RSU") represents the right to receive, following vesting, 1 Ordinary Share held in the form of an ADS. (F4) This RSU award was granted on May 1, 2025. 30% of the award vested on May 15, 2026. 30% of the award will vest on May 15, 2027, and the remaining 40% will vest on May 15, 2028, subject to continued service to the Company. (F4) This RSU award was granted on May 1, 2025. 30% of the award vested on May 15, 2026. 30% of the award will vest on May 15, 2027, and the remaining 40% will vest on May 15, 2028, subject to continued service to the Company. |
| 9 | Derivative | Restricted Stock Units | 2026-05-15 | M | D | 4,647 | $0.00 | 139,951 | D | — · — to — | 4,647 Ordinary Shares | (F3) Each restricted stock unit ("RSU") represents the right to receive, following vesting, 1 Ordinary Share held in the form of an ADS. (F6) This RSU award was granted on May 13, 2024, 30% of which vested on each of May 15, 2025 and May 15, 2026. The remaining 40% will vest on May 15, 2027, subject to continued service to the Company. (F6) This RSU award was granted on May 13, 2024, 30% of which vested on each of May 15, 2025 and May 15, 2026. The remaining 40% will vest on May 15, 2027, subject to continued service to the Company. |