LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM

Reporting ownerCIK 0001945497

William Abbey

31 transactions in 2 companies, from December 17, 2025 to September 30, 2026.

Transactions: 312 companies
Bought · P: $0open market
Sold · S: $12.0Mopen market
Net: −$12.0Mnet selling

By company

Where this insider traded.

Company	Ticker	Trades	Bought	Sold
ARM HOLDINGS PLC /UK	ARM	22	—	$12.0M
Enpro Inc.	NPO	9	—	—

All transactions

31 in total, newest filings first.

Company	Ticker	Insider	Date	Code	Shares	Price	Value
Enpro Inc.	NPO	William AbbeyDirDERIV	Sep 30	A	82	$306.26	$25K?
Enpro Inc.	NPO	William AbbeyDirDERIV	Sep 16	A	2	$287.16	$511?
ARM HOLDINGS PLC /UK	ARM	William AbbeyChiefDERIV	Sep 14	A	17,288	$0.00	—?
Enpro Inc.	NPO	William AbbeyDirDERIV	Jun 30	A	66	$376.93	$25K?
Enpro Inc.	NPO	William AbbeyDirDERIV	Jun 17	A	1	$363.62	$490?
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	Jun 1	S	3,922	$415.52	$1.6M
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	Jun 1	S	2,644	$383.73	$1.0M
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	May 28	S	4,200	$343.81	$1.4M
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	May 22	S	2,300	$305.82	$703K
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	May 21	S	4,655	$287.03	$1.3M
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	May 20	S	5,069	$257.18	$1.3M
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	May 19	S	10,887	$224.14	$2.4M
ARM HOLDINGS PLC /UK	ARM	William AbbeyChiefDERIV	May 15	MPLAN	4,706	$0.00	—?
ARM HOLDINGS PLC /UK	ARM	William AbbeyChiefDERIV	May 15	MPLAN	1,743	$0.00	—?
ARM HOLDINGS PLC /UK	ARM	William AbbeyChiefDERIV	May 15	MPLAN	1,751	$0.00	—?
ARM HOLDINGS PLC /UK	ARM	William AbbeyChiefDERIV	May 15	APLAN	5,566	$0.00	—?
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	Apr 23	SPLAN	1,577	$199.00	$314K
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	Apr 24	SPLAN	1,577	$221.99	$350K
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	May 15	SPLAN	7,000	$212.55	$1.5M
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	May 15	FPLAN	15,317	$209.16	$3.2M
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	May 15	MPLAN	4,706	—	—
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	May 15	APLAN	14,400	—	—
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	May 15	MPLAN	1,743	—	—
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	May 15	APLAN	4,444	—	—
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	May 15	MPLAN	1,751	—	—
ARM HOLDINGS PLC /UK	ARM	William AbbeyChief	May 15	APLAN	4,466	—	—
Enpro Inc.	NPO	William AbbeyDirDERIV	Mar 31	A	100	$250.65	$25K?
Enpro Inc.	NPO	William AbbeyDirDERIV	Mar 18	A	2	$250.59	$457?
Enpro Inc.	NPO	William AbbeyDir	Feb 12	A	567	$246.91	$140K
Enpro Inc.	NPO	William AbbeyDirDERIV	Dec 31	A	117	$214.13	$25K?
Enpro Inc.	NPO	William AbbeyDirDERIV	Dec 17	A	2	$205.19	$406?