Allegro Microsystems Ownership & Insider Activity

Allegro Microsystems (ALGM) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 2.7% of shares outstanding. Institutional investors hold 71.5%. Over the past 90 days, insiders made 2 sales worth $147K.

Shares Outstanding

186.483M

Shares Float

98.477M

Insider Shares Owned

5.087M

Insider % Owned

2.7%

Institutional Shares Held

133.416M

Institutional % Held

71.5%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$147K total

Net Activity

Net Selling

Net Value (90d)

-$147K

Allegro Microsystems Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Aug 17, 2026	Jennie Raubacher	—	SELL	1.000K	$45.32	$45K
Aug 10, 2026	Erin Hagen	SVP, CHRO	SELL	2.285K	$44.39	$101K
Jun 3, 2026	Richard Madormo	SVP, WORLDWIDE SALES	SELL	5.000K	$52.72	$264K
May 22, 2026	Troy Coleman	SVP, GENERAL MANAGER, PRODUCTS	SELL	4.500K	$45.72	$206K
May 21, 2026	Roald G. Webster	VP, CHIEF ACCOUNTING OFFICER	SELL	5.217K	$44.88	$234K
May 16, 2026	Ian Kent	SVP, GLOBAL OPERATIONS	SELL	4.987K	$42.28	$211K
May 14, 2026	Susan D Lynch	—	SELL	16.711K	$45.46	$760K
May 11, 2026	Sharon Briansky	SVP, GC AND SECRETARY	SELL	8.948K	$47.54	$425K
May 11, 2026	Michael Doogue	PRESIDENT AND CEO	SELL	30.089K	$47.23	$1.4M

Date	Member	Party	Chamber	Action	Amount
Sep 29, 2026	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
Oct 17, 2024	Josh Gottheimer	D	House	Purchase	$1,001 - $15,000
Sep 16, 2024	Josh Gottheimer	D	House	Sale	$1,001 - $15,000
Jan 11, 2024	Josh Gottheimer	D	House	Purchase	$1,001 - $15,000
Dec 11, 2023	Josh Gottheimer	D	House	Sale (Partial)	$1,001 - $15,000