Laura Kathleen Bartels

CIK: 0002114104

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (10.0%)

Position reduction

Option Exercises (M)5 (50.0%)

Derivative conversions

Awards (A)2 (20.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (20.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ARM

ARM HOLDINGS PLC /UK

Officer

Discretionary Trading P&L

Holdings

Transaction History (10 total)

ARM
ARM HOLDINGS PLC /UK
Aug 17, 2026
Exercise(M)
Direct
819 shares-
ARM
ARM HOLDINGS PLC /UK
Aug 17, 2026
Tax Payment(F)
Direct
856 shares at avg. $271.43$232K
ARM
ARM HOLDINGS PLC /UK
Aug 17, 2026
Exercise(M)
Direct
862 shares-
ARM
ARM HOLDINGS PLC /UK
Jun 2, 2026
Sale(S)
Direct
11.3K shares at avg. $392.70$4.4M
ARM
ARM HOLDINGS PLC /UK
May 15, 2026
Award(A)
Restricted Stock Units
Direct
16.6K shares-
ARM
ARM HOLDINGS PLC /UK
May 15, 2026
Exercise(M)
Direct
3.6K shares-
ARM
ARM HOLDINGS PLC /UK
May 15, 2026
Award(A)
Restricted Stock Units
Direct
69.6K shares-
ARM
ARM HOLDINGS PLC /UK
May 15, 2026
Exercise(M)
Direct
862 shares-
ARM
ARM HOLDINGS PLC /UK
May 15, 2026
Exercise(M)
Direct
2.3K shares-
ARM
ARM HOLDINGS PLC /UK
May 15, 2026
Tax Payment(F)
Direct
3.4K shares at avg. $209.16$708K

		Type	Shares	Price		Ownership
Aug 17, 2026	ARM ARM HOLDINGS PLC /UK	Exercise(M)	819	-	$0	Direct
Aug 17, 2026	ARM ARM HOLDINGS PLC /UK	Tax Payment(F)	856	$271.43	$232,344	Direct
Aug 17, 2026	ARM ARM HOLDINGS PLC /UK	Exercise(M)	862	-	$0	Direct
Jun 2, 2026	ARM ARM HOLDINGS PLC /UK	Sale(S)	11,306	$392.70	$4,439,866	Direct
May 15, 2026	ARM ARM HOLDINGS PLC /UK	Award(A) Restricted Stock Units	16,645	-	-	Direct
May 15, 2026	ARM ARM HOLDINGS PLC /UK	Exercise(M)	3,588	-	$0	Direct
May 15, 2026	ARM ARM HOLDINGS PLC /UK	Award(A) Restricted Stock Units	69,570	-	-	Direct
May 15, 2026	ARM ARM HOLDINGS PLC /UK	Exercise(M)	862	-	$0	Direct
May 15, 2026	ARM ARM HOLDINGS PLC /UK	Exercise(M)	2,308	-	$0	Direct
May 15, 2026	ARM ARM HOLDINGS PLC /UK	Tax Payment(F)	3,383	$209.16	$707,588	Direct

1-10 of 10 transactions

About Bartels Laura Kathleen

Bartels Laura Kathleen (SEC CIK 0002114104) files insider reports with the SEC as Chief Accounting Officer of ARM HOLDINGS PLC /UK (ARM).

Signal8 holds 4 ownership filings by Bartels Laura Kathleen (1 Form 3, 3 Form 4), filed between Mar 18, 2026 and Aug 18, 2026. Those filings report 10 transactions, from May 15, 2026 to Aug 17, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Bartels Laura Kathleen's filings is in CAMBRIDGE.

Recent filings by Bartels Laura Kathleen

Aug 17, 2026: Option exercise of ARM shares (Form 4, code M).
Aug 17, 2026: Tax withholding of ARM shares (Form 4, code F).
Aug 17, 2026: Option exercise of ARM shares (Form 4, code M).
Jun 2, 2026: Open-market sale of ARM shares (Form 4, code S).
May 15, 2026: Grant or award of ARM derivative securities (Form 4, code A).

Other insiders filing for ARM HOLDINGS PLC /UK (ARM)

Child Jason, Chief Financial Officer
Abbey William, Chief Commercial Officer
Haas Rene A., Chief Executive Officer
Sine Jeffrey, Director
Eaton Charlotte Claire, Chief People Officer
Collins Spencer, Chief Legal Officer

How to read Form 4 transaction codes