William Abbey

CIK 1945497 · View on SEC EDGAR ↗

Insider

First SEC filing: March 18, 2026 · Latest: June 18, 2026

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

Insider transactions

0 buys (P) 3 sells (S) Net: $-3,161,970 + 33 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

33 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 30, 2026	NPO	A	66	$376.93	$24,877	1,598 Direct	+4.31%	Acquired	-16.6% (price as of 2026-08-20)
June 17, 2026	NPO	A	1	$363.62	$364	1,532 Direct	+0.07%	Acquired	-13.5% (price as of 2026-08-20)
June 1, 2026	ARM	S	2,644	$383.73	$1,014,582	20,563	—	—	-35.6% (price as of 2026-08-20)
May 28, 2026	ARM	S	4,200	$343.81	$1,444,002	27,129	—	—	-28.1% (price as of 2026-08-20)
May 22, 2026	ARM	S	2,300	$305.82	$703,386	31,329	—	—	-19.2% (price as of 2026-08-20)
March 31, 2026	NPO	A	100	$250.65	$25,065	1,530 Direct	+6.99%	Acquired	25.4% (price as of 2026-08-20)
March 18, 2026	NPO	A	2	$250.59	$501	1,431 Direct	+0.14%	Acquired	25.5% (price as of 2026-08-20)
Feb. 12, 2026	NPO	A	567	$246.91	$139,998	3,359 Direct	+20.31%	Acquired	27.3% (price as of 2026-08-20)
Dec. 31, 2025	NPO	A	117	$214.13	$25,053	1,429 Direct	+8.92%	Acquired	46.8% (price as of 2026-08-20)
Dec. 17, 2025	NPO	A	2	$205.19	$410	1,312 Direct	+0.15%	Acquired	53.2% (price as of 2026-08-20)
Sept. 30, 2025	NPO	A	111	$226.00	$25,086	1,310 Direct	+9.26%	Acquired	39.1% (price as of 2026-08-20)
Sept. 17, 2025	NPO	A	2	$217.89	$436	1,199 Direct	+0.17%	Acquired	44.3% (price as of 2026-08-20)
June 30, 2025	NPO	A	131	$191.55	$25,093	1,198 Direct	+12.28%	Acquired	64.1% (price as of 2026-08-20)
June 18, 2025	NPO	A	2	$185.86	$372	1,067 Direct	+0.19%	Acquired	69.2% (price as of 2026-08-20)
March 31, 2025	NPO	A	155	$161.79	$25,077	1,065 Direct	+17.03%	Acquired	94.3% (price as of 2026-08-20)
March 19, 2025	NPO	A	2	$175.76	$352	911 Direct	+0.22%	Acquired	78.9% (price as of 2026-08-20)
Feb. 13, 2025	NPO	A	685	$182.27	$124,855	2,792 Direct	+32.51%	Acquired	72.5% (price as of 2026-08-20)
Dec. 31, 2024	NPO	A	145	$172.45	$25,005	909 Direct	+18.98%	Acquired	82.3% (price as of 2026-08-20)
Dec. 18, 2024	NPO	A	1	$175.86	$176	764 Direct	+0.13%	Acquired	78.8% (price as of 2026-08-20)
Sept. 30, 2024	NPO	A	154	$162.18	$24,976	763 Direct	+25.29%	Acquired	93.9% (price as of 2026-08-20)
Sept. 18, 2024	NPO	A	1	$156.77	$157	609 Direct	+0.16%	Acquired	100.6% (price as of 2026-08-20)
June 30, 2024	NPO	A	172	$145.57	$25,038	608 Direct	+39.45%	Acquired	116.0% (price as of 2026-08-20)
June 20, 2024	NPO	A	1	$146.91	$147	436 Direct	+0.23%	Acquired	114.0% (price as of 2026-08-20)
March 31, 2024	NPO	A	148	$168.77	$24,978	435 Direct	+51.57%	Acquired	86.3% (price as of 2026-08-20)
March 20, 2024	NPO	A	1	$159.77	$160	287 Direct	+0.35%	Acquired	96.8% (price as of 2026-08-20)
Feb. 15, 2024	NPO	A	803	$155.66	$124,995	2,107 Direct	+61.58%	Acquired	102.0% (price as of 2026-08-20)
Feb. 15, 2024	NPO	A	803	$155.66	$124,995	1,089 Direct	+280.77%	Acquired	102.0% (price as of 2026-08-20)
Dec. 13, 2023	NPO	A	1	$140.49	$140	286 Direct	+0.35%	Acquired	123.8% (price as of 2026-08-20)
Sept. 13, 2023	NPO	A	1	$123.90	$124	286 Direct	+0.35%	Acquired	153.8% (price as of 2026-08-20)
June 14, 2023	NPO	A	1	$125.72	$126	285 Direct	+0.35%	Acquired	150.1% (price as of 2026-08-20)
March 15, 2023	NPO	A	1	$95.94	$96	285 Direct	+0.35%	Acquired	227.7% (price as of 2026-08-20)
Feb. 16, 2023	NPO	A	942	$116.69	$109,922	1,304 Direct	+260.22%	Acquired	169.4% (price as of 2026-08-20)
Dec. 31, 2022	NPO	A	207	$108.69	$22,499	284 Direct	+268.83%	Acquired	189.3% (price as of 2026-08-20)
Dec. 14, 2022	NPO	A	0	$107.94	—	77 Direct	0.00%	Acquired	191.3% (price as of 2026-08-20)
Sept. 30, 2022	NPO	A	76	$84.98	$6,458	76 Direct	—	Acquired	270.0% (price as of 2026-08-20)
Sept. 5, 2022	NPO	A	362	$98.34	$35,599	362 Direct	—	Acquired	219.7% (price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
June 30, 2026	NPO	Phantom Stock	Common Stock (66)	—	—	66	Acquired
June 17, 2026	NPO	Phantom Stock	Common Stock (1)	—	—	1	Acquired
March 31, 2026	NPO	Phantom Stock	Common Stock (100)	—	—	100	Acquired
March 18, 2026	NPO	Phantom Stock	Common Stock (2)	—	—	2	Acquired
Dec. 31, 2025	NPO	Phantom Stock	Common Stock (117)	—	—	117	Acquired
Dec. 17, 2025	NPO	Phantom Stock	Common Stock (2)	—	—	2	Acquired
Sept. 30, 2025	NPO	Phantom Stock	Common Stock (111)	—	—	111	Acquired
Sept. 17, 2025	NPO	Phantom Stock	Common Stock (2)	—	—	2	Acquired
June 30, 2025	NPO	Phantom Stock	Common Stock (131)	—	—	131	Acquired
June 18, 2025	NPO	Phantom Stock	Common Stock (2)	—	—	2	Acquired
March 31, 2025	NPO	Phantom Stock	Common Stock (155)	—	—	155	Acquired
March 19, 2025	NPO	Phantom Stock	Common Stock (2)	—	—	2	Acquired
Dec. 31, 2024	NPO	Phantom Stock	Common Stock (145)	—	—	145	Acquired
Dec. 18, 2024	NPO	Phantom Stock	Common Stock (1)	—	—	1	Acquired
Sept. 30, 2024	NPO	Phantom Stock	Common Stock (154)	—	—	154	Acquired
Sept. 18, 2024	NPO	Phantom Stock	Common Stock (1)	—	—	1	Acquired
June 30, 2024	NPO	Phantom Stock	Common Stock (172)	—	—	172	Acquired
June 20, 2024	NPO	Phantom Stock	Common Stock (1)	—	—	1	Acquired
March 31, 2024	NPO	Phantom Stock	Common Stock (148)	—	—	148	Acquired
March 20, 2024	NPO	Phantom Stock	Common Stock (1)	—	—	1	Acquired
Feb. 15, 2024	NPO	Phantom Stock	Common Stock (803)	—	—	803	Acquired
Dec. 13, 2023	NPO	Phantom Stock	Common Stock (1)	—	—	1	Acquired
Sept. 13, 2023	NPO	Phantom Stock	Common Stock (1)	—	—	1	Acquired
June 14, 2023	NPO	Phantom Stock	Common Stock (1)	—	—	1	Acquired
March 15, 2023	NPO	Phantom Stock	Common Stock (1)	—	—	1	Acquired
Dec. 31, 2022	NPO	Phantom Stock	Common Stock (207)	—	—	207	Acquired
Dec. 14, 2022	NPO	Phantom Stock	Common Stock (0)	—	—	0	Acquired
Sept. 30, 2022	NPO	Phantom Stock	Common Stock (76)	—	—	76	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 5 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
March 18, 2026	ARM	Ordinary Shares [F1]	48,201	Direct
March 18, 2026	ARM	Restricted Stock Units→ Ordinary Shares [F1] (36,005)	36,005	Direct
March 18, 2026	ARM	Restricted Stock Units→ Ordinary Shares [F1] (5,838)	5,838	Direct
March 18, 2026	ARM	Restricted Stock Units→ Ordinary Shares [F1] (4,067)	4,067	Direct
March 18, 2026	ARM	Restricted Stock Units→ Ordinary Shares [F1] (4,706)	4,706	Direct