InsiderTrades

Bartels Laura Kathleen

SEC CIK 2114104 · EDGAR

Buying vs selling by month open-market trades, last 24 months, ARM
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ARMARM HOLDINGS PLC /UKCAO 13.8K — $4.44M 52026-05-152026-08-17

Most active insiders at ARM, 12 months

#InsiderTitleBoughtSold
1 Child JasonCFO —$19.99M
2 Collins SpencerCLO —$19.80M
3 Abbey WilliamChief Commercial Off —$12.02M
4 Haas Rene A.CEO, Dir —$6.63M
5 Grisenthwaite Richard RoyChief Architect —$5.09M
6 Bartels Laura KathleenCAO —$4.44M
7 Eaton Charlotte ClaireCHRO —$4.18M
8 Sine JeffreyDir ——
9 Schooler RosemaryDir ——
10 SOHN YOUNGDir ——

Transactions 5

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DM 2026-08-18 17:31 2026-08-17 ARM ARM HOLDINGS PLC /UK Bartels Laura Kathleen CAO M - OptEx — +1,681 13.8K +14% —
D 2026-08-18 17:31 2026-08-17 ARM ARM HOLDINGS PLC /UK Bartels Laura Kathleen CAO F - Tax $271.43 -856 13.0K -6% -$232.3K
2026-06-04 17:05 2026-06-02 ARM ARM HOLDINGS PLC /UK Bartels Laura Kathleen CAO S - Sale $392.70 -11.3K 12.1K -48% -$4.44M
DM 2026-05-19 17:25 2026-05-15 ARM ARM HOLDINGS PLC /UK Bartels Laura Kathleen CAO M - OptEx — +6,758 26.8K +34% —
D 2026-05-19 17:25 2026-05-15 ARM ARM HOLDINGS PLC /UK Bartels Laura Kathleen CAO F - Tax $209.16 -3,383 23.4K -13% -$707.6K

Purchase Sale Sale after option exercise All abbreviations