A
Arm Holdings
ARM · Custom Silicon
$277.01
-4.16 (-1.48%)
As of Jul 15, 2026 close
Insider Activity — Trailing 6 Months
Open-Market Buys
0
$0.0 · 0 lines · 0 insiders
Open-Market Sells
21
$66.4M · 39 lines · 10b5-1: 17/39
Net Shares (6M)
-303K
-0.03% of shares out
Active Insiders
13
7 officers · 6 directors
Latest Form 4
Jun 4
Bartels Laura Kathleen · Sell · $4.4M
Price & Insider Transactions
Marker size ∝ transaction valueClosing priceBuySell
Transactions
Sortable · open-market, awards & exercises| Type | Price | Held After | Filed | ||||
|---|---|---|---|---|---|---|---|
Bartels Laura Kathleen Chief Accounting Officer | Sell | -11,306 -48.2% of holdings | $392.70 | $4.4M | 12,135 | Jun 2, 2026 | |
Abbey William Chief Commercial Officer 2 lots | Sell | -6,566 -24.2% of holdings | avg $402.72 | $2.6M | 20,563 | Jun 1, 2026 | |
Abbey William Chief Commercial Officer | Sell | -4,200 -13.4% of holdings | $343.81 | $1.4M | 27,129 | May 28, 2026 | |
Abbey William Chief Commercial Officer | Sell | -2,300 -6.8% of holdings | $305.82 | $703.4K | 31,329 | May 22, 2026 | |
Eaton Charlotte Claire Chief People Officer 3 lots | Sell | -11,805 -100.0% of holdings | avg $287.56 | $3.4M | 0 | May 21, 2026 | |
Abbey William Chief Commercial Officer | Sell | -4,655 -12.2% of holdings | $287.03 | $1.3M | 33,629 | May 21, 2026 | |
Eaton Charlotte Claire Chief People Officer | Sell | -3,100 -20.8% of holdings | $252.25 | $782.0K | 11,805 | May 20, 2026 | |
Child Jason Chief Financial Officer | Sell10b5-1 | -31,920 -15.5% of holdings | $226.54 | $7.2M | 174,232 | May 20, 2026 | |
Abbey William Chief Commercial Officer | Sell | -5,069 -11.7% of holdings | $257.18 | $1.3M | 38,284 | May 20, 2026 | |
Abbey William Chief Commercial Officer | Sell | -10,887 -20.1% of holdings | $224.14 | $2.4M | 43,353 | May 19, 2026 | |
Collins Spencer Chief Legal Officer | Sell | -40,941 -100.0% of holdings | $215.00 | $8.8M | 0 | May 19, 2026 | |
Grisenthwaite Richard Roy Chief Architect | Sell | -24,339 -100.0% of holdings | $209.15 | $5.1M | 0 | May 18, 2026 | |
SOHN YOUNG | Award | +1,531 RSU grant (A) | — | — | 1,531 | May 15, 2026 | |
SOHN YOUNG | Exercise | -2,141 strike $0.00 | — | — | 0 | May 15, 2026 | |
SOHN YOUNG | Sell | -429 tax withholding (F) | $209.16 | $89.7K | 2,396 | May 15, 2026 | |
SOHN YOUNG | Exercise | +2,141 | — | — | 2,825 | May 15, 2026 | |
Schooler Rosemary | Award | +1,531 RSU grant (A) | — | — | 1,531 | May 15, 2026 | |
Schooler Rosemary | Exercise | -2,141 strike $0.00 | — | — | 0 | May 15, 2026 | |
Schooler Rosemary | Exercise | +2,141 | — | — | 9,572 | May 15, 2026 | |
DYKSTRA KAREN E | Award | +1,531 RSU grant (A) | — | — | 5,802 | May 15, 2026 | |
Sine Jeffrey | Award | +1,531 RSU grant (A) | — | — | 1,531 | May 15, 2026 | |
Sine Jeffrey | Exercise | -2,141 strike $0.00 | — | — | 0 | May 15, 2026 | |
Sine Jeffrey | Exercise | +2,141 | — | — | 9,572 | May 15, 2026 | |
FISHER RONALD D | Award | +1,531 RSU grant (A) | — | — | 5,802 | May 15, 2026 | |
JACOBS PAUL E | Award | +1,531 RSU grant (A) | — | — | 1,531 | May 15, 2026 | |
JACOBS PAUL E | Exercise | -2,141 strike $0.00 | — | — | 0 | May 15, 2026 | |
JACOBS PAUL E | Exercise | +2,141 | — | — | 7,442 | May 15, 2026 | |
Child Jason Chief Financial Officer 2 lots | Exercise | -9,317 strike $0.00 | — | — | 139,951 | May 15, 2026 | |
Child Jason Chief Financial Officer 4 lots | Award | +96,201 RSU grant (A) | — | — | 244,102 | May 15, 2026 | |
Child Jason Chief Financial Officer | Sell | -37,950 tax withholding (F) | $209.16 | $7.9M | 206,152 | May 15, 2026 | |
Child Jason Chief Financial Officer 2 lots | Exercise | +9,317 | — | — | 186,501 | May 15, 2026 | |
Haas Rene A. Chief Executive Officer | Sell | -143,316 tax withholding (F) | $209.16 | $30.0M | 396,007 | May 15, 2026 | |
Haas Rene A. Chief Executive Officer 3 lots | Award | +265,643 RSU grant (A) | — | — | 539,323 | May 15, 2026 | |
Eaton Charlotte Claire Chief People Officer | Exercise | -2,200 strike $0.00 | — | — | 123,505 | May 15, 2026 | |
Eaton Charlotte Claire Chief People Officer 2 lots | Award | +13,656 RSU grant (A) | — | — | 125,705 | May 15, 2026 | |
Eaton Charlotte Claire Chief People Officer | Sell | -3,672 tax withholding (F) | $209.16 | $768.0K | 14,905 | May 15, 2026 | |
Eaton Charlotte Claire Chief People Officer | Exercise | +2,200 | — | — | 18,577 | May 15, 2026 | |
Collins Spencer Chief Legal Officer 2 lots | Exercise | -8,134 strike $0.00 | — | — | 138,760 | May 15, 2026 | |
Collins Spencer Chief Legal Officer 4 lots | Award | +84,833 RSU grant (A) | — | — | 146,894 | May 15, 2026 | |
Collins Spencer Chief Legal Officer | Sell | -36,310 tax withholding (F) | $209.16 | $7.6M | 40,941 | May 15, 2026 | |
Collins Spencer Chief Legal Officer 2 lots | Exercise | +8,134 | — | — | 18,802 | May 15, 2026 | |
Grisenthwaite Richard Roy Chief Architect 4 lots | Exercise | -22,624 strike $0.00 | — | — | 118,443 | May 15, 2026 | |
Grisenthwaite Richard Roy Chief Architect 5 lots | Award | +64,123 RSU grant (A) | — | — | 141,067 | May 15, 2026 | |
Grisenthwaite Richard Roy Chief Architect | Sell | -21,301 tax withholding (F) | $209.16 | $4.5M | 24,339 | May 15, 2026 | |
Grisenthwaite Richard Roy Chief Architect 4 lots | Exercise | +22,624 | — | — | 45,640 | May 15, 2026 | |
Abbey William Chief Commercial Officer 3 lots | Exercise10b5-1 | -8,200 strike $0.00 | — | — | 47,982 | May 15, 2026 | |
Abbey William Chief Commercial Officer 4 lots | Award10b5-1 | +28,876 RSU grant (A) | — | — | 75,005 | May 15, 2026 | |
Abbey William Chief Commercial Officer | Sell10b5-1 | -7,000 -10.9% of holdings | $212.55 | $1.5M | 57,394 | May 15, 2026 | |
Abbey William Chief Commercial Officer | Sell10b5-1 | -15,317 tax withholding (F) | $209.16 | $3.2M | 64,394 | May 15, 2026 | |
Abbey William Chief Commercial Officer 3 lots | Exercise10b5-1 | +8,200 | — | — | 79,711 | May 15, 2026 |
Page 1 of 2
Net Insider Activity by Quarter
Most Active Insiders — Trailing 12 Months
Haas Rene A. Chief Executive Officer | 3 | 12 | +81,175 | ≈$-36.6M | May 15, 2026 |
Collins Spencer Chief Legal Officer | 6 | 12 | -44,379 | ≈$-27.4M | May 19, 2026 |
Child Jason Chief Financial Officer | 6 | 6 | -16,229 | ≈$-22.2M | May 20, 2026 |
Abbey William Chief Commercial Officer | 7 | 14 | -30,272 | ≈$-15.2M | Jun 1, 2026 |
Grisenthwaite Richard Roy Chief Architect | 9 | 6 | +18,483 | ≈$-9.5M | May 18, 2026 |
Bartels Laura Kathleen Chief Accounting Officer | 5 | 5 | +71,526 | ≈$-5.1M | Jun 2, 2026 |
Eaton Charlotte Claire Chief People Officer | 3 | 6 | -4,921 | ≈$-4.9M | May 21, 2026 |
SOHN YOUNG | 2 | 2 | +1,102 | ≈$-89.7K | May 15, 2026 |
Parsed from SEC Form 4 filings via EDGAR. Open-market transactions (codes P/S) shown with awards, exercises and withholding for context; 10b5-1 tag indicates a pre-planned trade. Same-day lots by one insider consolidated; each row links to the filing index. Updated daily.