InsiderTrades

Collins Spencer

SEC CIK 1999165 · EDGAR

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

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ARMARM HOLDINGS PLC /UKCLO 0 — $19.80M 52026-05-112026-05-19

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
2026-05-21 16:16 2026-05-19 ARM ARM HOLDINGS PLC /UK Collins Spencer CLO S - Sale $215.00 -40.9K 0 -100% -$8.80M
DM 2026-05-19 17:17 2026-05-15 ARM ARM HOLDINGS PLC /UK Collins Spencer CLO A - Grant — +69.1K 77.3K +850% —
DM 2026-05-19 17:17 2026-05-15 ARM ARM HOLDINGS PLC /UK Collins Spencer CLO M - OptEx — +8,134 18.8K +76% —
D 2026-05-19 17:17 2026-05-15 ARM ARM HOLDINGS PLC /UK Collins Spencer CLO F - Tax $209.16 -36.3K 40.9K -47% -$7.59M
M 2026-05-13 16:56 2026-05-11 ARM ARM HOLDINGS PLC /UK Collins Spencer CLO S - Sale $211.73 -52.0K 0 -100% -$11.00M

Purchase Sale Sale after option exercise All abbreviations