ARM Holdings Ownership & Insider Activity

ARM Holdings (ARM) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.0% of shares outstanding. Institutional investors hold 5.9%. Over the past 90 days, insiders made 2 sales worth $5.8M.

Shares Outstanding

1.068B

Shares Float

145.265M

Insider Shares Owned

242.032K

Insider % Owned

0.0%

Institutional Shares Held

63.412M

Institutional % Held

5.9%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$5.8M total

Net Activity

Net Selling

Net Value (90d)

-$5.8M

ARM Holdings Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 21, 2026	Jason Child	CHIEF FINANCIAL OFFICER	SELL	10.400K	$300.00	$3.1M
Aug 27, 2026	Jason Child	CHIEF FINANCIAL OFFICER	SELL	10.400K	$255.33	$2.7M
Jun 2, 2026	Laura Kathleen Bartels	CHIEF ACCOUNTING OFFICER	SELL	11.306K	$392.70	$4.4M
Jun 1, 2026	William Abbey	CHIEF COMMERCIAL OFFICER	SELL	6.566K	$402.72	$2.6M
May 28, 2026	William Abbey	CHIEF COMMERCIAL OFFICER	SELL	4.200K	$343.81	$1.4M
May 22, 2026	William Abbey	CHIEF COMMERCIAL OFFICER	SELL	2.300K	$305.82	$703K
May 21, 2026	William Abbey	CHIEF COMMERCIAL OFFICER	SELL	4.655K	$287.03	$1.3M
May 21, 2026	Charlotte Claire Eaton	CHIEF PEOPLE OFFICER	SELL	7.805K	$290.01	$2.3M
May 20, 2026	Jason Child	CHIEF FINANCIAL OFFICER	SELL	31.920K	$226.54	$7.2M
May 20, 2026	Charlotte Claire Eaton	CHIEF PEOPLE OFFICER	SELL	7.100K	$269.44	$1.9M
May 19, 2026	Spencer Collins	CHIEF LEGAL OFFICER	SELL	40.941K	$215.00	$8.8M
May 19, 2026	William Abbey	CHIEF COMMERCIAL OFFICER	SELL	15.956K	$234.64	$3.7M
May 15, 2026	Richard Roy Grisenthwaite	CHIEF ARCHITECT	SELL	326.000	$209.15	$9.5M
May 11, 2026	Spencer Collins	CHIEF LEGAL OFFICER	SELL	51.961K	$211.73	$11.0M
Apr 23, 2026	William Abbey	CHIEF COMMERCIAL OFFICER	SELL-OPTIONS	6.039K	$210.26	$5.4M
Apr 22, 2026	Jason Child	CHIEF FINANCIAL OFFICER	SELL	21.280K	$180.00	$3.8M

Date	Member	Party	Chamber	Action	Amount
Dec 11, 2025	Cleo Fields	D	House	Sale	$50,001 - $100,000
Sep 2, 2025	Jonathan Jackson	D	House	Sale	$1,001 - $15,000
Jul 17, 2025	Jonathan Jackson	D	House	Purchase	$1,001 - $15,000
Jul 16, 2025	Cleo Fields	D	House	Purchase	$50,001 - $100,000