ARM HOLDINGS PLC /UK

ARM · Semiconductors & Related Devices · EDGAR filings ↗

Reference price $392.70 — last insider sale, 2026-06-02 (estimated from the dated SEC Form 4 price — not a live quote)

Grade

A86

Semiconductor-IP licensor (Arm architecture) — highly profitable with elite gross margin and strong free cash flow.

Strengths

Highly profitable, elite gross margin — gross margin 98% (100th), operating margin 18% (81st), net margin 18% (83rd)
Strong free cash flow, growth — FCF $979M (87th), FCF margin 20%, revenue +23%

Risks

Customer-concentration and royalty-model dependence — per 10-K
China-exposure/geopolitical risk — per 10-K
Valuation-sensitivity to growth — per 10-K

Notable findings

Strong balance sheetStrong balance sheet — $4.0B cash & investments
Notable holderHeld by 6 notable fund(s): CITADEL ADVISORS LLC, GOLDMAN SACHS GROUP INC, FMR LLC +3 more (as of 2026-03-31)
AccumulatingInstitutional holders rose 22→31 QoQ (2025-12-31→2026-03-31)
Insider sellingInsider selling — 39 open-market sale(s) by 7 insider(s) (cluster of 7 insiders, ~$66M, last 6mo) Form 4 ↗

Quarterly revenue

2025-06-30 · $1.1B2025-09-30 · $1.1B2025-12-31 · $1.2B2026-03-31 · $1.5B

Last 4 quarters · from SEC filings.

Key metrics

Gross margin

97.5%

Operating margin

18.3%

Net margin

18.4%

Return on equity

10.9%

Return on assets

8.4%

Revenue growth (QoQ)

20.0%

Current ratio

6.0×

Free cash flow

$979M

EBITDA

$1.1B

Tangible book value

$6.4B

Cash & investments

$4.0B

Stock comp / revenue

21.4%

Insider transactions · last 18 months

Date	Insider	Type	Shares	Price
2026-06-02	Bartels Laura Kathleen	Sell	11K	$392.70
2026-06-01	Abbey William	Sell	3.9K	$415.52
2026-06-01	Abbey William	Sell	2.6K	$383.73
2026-05-28	Abbey William	Sell	4.2K	$343.81
2026-05-22	Abbey William	Sell	2.3K	$305.82
2026-05-21	Eaton Charlotte Claire	Sell	5.0K	$291.08
2026-05-21	Eaton Charlotte Claire	Sell	4.0K	$282.77
2026-05-21	Eaton Charlotte Claire	Sell	2.8K	$288.10
2026-05-21	Abbey William	Sell	4.7K	$287.03
2026-05-20	Child Jason	Sell	32K	$226.54
2026-05-20	Abbey William	Sell	5.1K	$257.18
2026-05-20	Eaton Charlotte Claire	Sell	3.1K	$252.25
2026-05-19	Collins Spencer	Sell	41K	$215.00
2026-05-19	Abbey William	Sell	11K	$224.14
2026-05-18	Grisenthwaite Richard Roy	Sell	24K	$209.15
2026-05-15	Grisenthwaite Richard Roy	Option exercise	15K	—
2026-05-15	Grisenthwaite Richard Roy	Grant	4.2K	—
2026-05-15	Grisenthwaite Richard Roy	Option exercise	1.6K	—
2026-05-15	Grisenthwaite Richard Roy	Grant	13K	—
2026-05-15	Grisenthwaite Richard Roy	Option exercise	4.4K	—
2026-05-15	Grisenthwaite Richard Roy	Tax withheld	21K	$209.16
2026-05-15	JACOBS PAUL E	Option exercise	2.1K	—
2026-05-15	Bartels Laura Kathleen	Option exercise	3.6K	—
2026-05-15	Bartels Laura Kathleen	Option exercise	862	—
2026-05-15	Bartels Laura Kathleen	Option exercise	2.3K	—
2026-05-15	Bartels Laura Kathleen	Tax withheld	3.4K	$209.16
2026-05-15	Abbey William	Grant	4.5K	—
2026-05-15	Abbey William	Option exercise	1.8K	—
2026-05-15	Abbey William	Grant	4.4K	—
2026-05-15	Abbey William	Option exercise	1.7K	—
2026-05-15	Abbey William	Grant	14K	—
2026-05-15	Abbey William	Option exercise	4.7K	—
2026-05-15	Abbey William	Tax withheld	15K	$209.16
2026-05-15	Abbey William	Sell	7.0K	$212.55
2026-05-15	Grisenthwaite Richard Roy	Grant	5.2K	—
2026-05-15	Grisenthwaite Richard Roy	Option exercise	2.0K	—
2026-05-15	Collins Spencer	Grant	11K	—
2026-05-15	Collins Spencer	Option exercise	4.2K	—
2026-05-15	Collins Spencer	Option exercise	4.0K	—
2026-05-15	Collins Spencer	Grant	10K	—
2026-05-15	Collins Spencer	Grant	48K	—
2026-05-15	Collins Spencer	Tax withheld	36K	$209.16
2026-05-15	Eaton Charlotte Claire	Grant	5.6K	—
2026-05-15	Eaton Charlotte Claire	Option exercise	2.2K	—
2026-05-15	Eaton Charlotte Claire	Tax withheld	3.7K	$209.16
2026-05-15	Haas Rene A.	Grant	52K	—
2026-05-15	Haas Rene A.	Grant	52K	—
2026-05-15	Haas Rene A.	Grant	162K	—
2026-05-15	Haas Rene A.	Tax withheld	143K	$209.16
2026-05-15	Schooler Rosemary	Option exercise	2.1K	—
2026-05-15	Sine Jeffrey	Option exercise	2.1K	—
2026-05-15	SOHN YOUNG	Option exercise	2.1K	—
2026-05-15	SOHN YOUNG	Tax withheld	429	$209.16
2026-05-15	Child Jason	Grant	12K	—
2026-05-15	Child Jason	Option exercise	4.7K	—
2026-05-15	Child Jason	Grant	12K	—
2026-05-15	Child Jason	Option exercise	4.6K	—
2026-05-15	Child Jason	Grant	58K	—
2026-05-15	Child Jason	Tax withheld	38K	$209.16
2026-05-11	Collins Spencer	Sell	7.4K	$213.59
2026-05-11	Collins Spencer	Sell	11K	$212.51
2026-05-11	Collins Spencer	Sell	4.9K	$214.41
2026-05-11	Collins Spencer	Sell	836	$207.77
2026-05-11	Collins Spencer	Sell	1.8K	$208.68
2026-05-11	Collins Spencer	Sell	5.4K	$209.52
2026-05-11	Collins Spencer	Sell	9.8K	$210.53
2026-05-11	Collins Spencer	Sell	11K	$211.46
2026-04-24	Abbey William	Sell	1.6K	$221.99
2026-04-23	Abbey William	Sell	1.6K	$199.00
2026-04-22	Child Jason	Sell	21K	$180.00
2026-04-14	Haas Rene A.	Sell	170	$163.00
2026-04-14	Haas Rene A.	Sell	5.6K	$160.57
2026-04-14	Haas Rene A.	Sell	3.5K	$161.21
2026-03-26	Haas Rene A.	Sell	1.8K	$161.47
2026-03-26	Haas Rene A.	Sell	600	$162.19
2026-03-26	Haas Rene A.	Sell	5.3K	$160.41
2026-03-26	Haas Rene A.	Sell	200	$163.15
2026-03-25	Haas Rene A.	Sell	4.8K	$162.62
2026-03-25	Haas Rene A.	Sell	1.1K	$163.35
2026-03-25	Child Jason	Sell	21K	$148.37
2026-03-25	Haas Rene A.	Sell	6.2K	$161.47
2026-03-25	Haas Rene A.	Sell	12K	$160.22

All non-derivative Form 4 activity (SEC), newest first.

Recent filings

Form	Filed	Period	Accession
20-F	2026-05-26	2026-03-31	0001973239-26-000097 ↗
20-F	2025-05-28	2025-03-31	0001973239-25-000016 ↗
20-F	2024-05-29	2024-03-31	0001973239-24-000012 ↗