Ownership

Brian Posner

Insider Reports History

Entity: Individual
Location: 14 Cambridge Center, Cambridge, MA
Signature: /s/ Brian Posner
All insider transactions: Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Brian Posner:

Stock	Role	Class	Num Shares	Value	Price $	Report Date	Ownership
ARCH CAPITAL GROUP LTD.	Director	Common Shares, $.0011 par value per share	119K	$11.5M	$96.64	May 9, 2024	Direct
BIOGEN INC.	Director	Common Stock	8.03K	$1.99M	$248.00	Jun 7, 2022	Direct
ARCH CAPITAL GROUP LTD.	Director	Depositary Shares, Series G	4K	$70.4K	$17.60	May 9, 2024	Direct
ARCH CAPITAL GROUP LTD.	Director	Depositary Shares, Series F	3K			May 9, 2024	Direct

Showing 1 to 4 of 4 entries

Insider Reports Filed by Brian Posner

Symbol	Company	Period	Transactions	Value $	Form Type	Date Filed	Role
ACGL	ARCH CAPITAL GROUP LTD.	May 9, 2024	1	$0	4	May 13, 2024	Director
ACGL	ARCH CAPITAL GROUP LTD.	May 4, 2023	1	$0	4	May 8, 2023	Director
BIIB	BIOGEN INC.	Dec 31, 2022	1	$0	5	Jan 27, 2023	Director
ACGL	ARCH CAPITAL GROUP LTD.	Oct 28, 2022	1	$35.2K	4	Nov 1, 2022	Director
ACGL	ARCH CAPITAL GROUP LTD.	May 4, 2022	2	$0	4	May 6, 2022	Director
ACGL	ARCH CAPITAL GROUP LTD.	Apr 29, 2022	1	$38.5K	4	May 2, 2022	Director
ACGL	ARCH CAPITAL GROUP LTD.	Sep 30, 2021	1	-$50K	4	Oct 1, 2021	Director
BIIB	BIOGEN INC.	Jul 1, 2021	1	$0	4	Jul 2, 2021	Director
ACGL	ARCH CAPITAL GROUP LTD.	Jun 14, 2021	1	-$101K	4	Jun 15, 2021	Director
BIIB	BIOGEN INC.	Jun 4, 2021	1	-$98.7K	4	Jun 7, 2021	Director
ACGL	ARCH CAPITAL GROUP LTD.	May 6, 2021	2	$0	4	May 10, 2021	Director