Allegro MicroSystems, Inc.

ALGM · Technology · Allegro MicroSystems, Inc., together with its subsidiaries, designs, develops, manufactures, and markets sensor integrated circuits (ICs) a…

Allegro MicroSystems, Inc. (ALGM), in the Technology sector, has 12 disclosed filings on Paydirt over the trailing twelve months from 1 member of Congress and 8 corporate insiders: 1 purchase and 11 sales. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Sep 29 and filed Oct 12. The most active filer was Sharon Briansky with 4 filings. Data as of Nov 8 2026.

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Filings, ttm

1 buy · 11 sells

Traders, ttm

1 congress · 8 insiders

Volume, ttmiDollar value disclosed in the window

$5.1M

estimated for Congress, as filed for insiders

Median delay

execution to disclosure

Last traded

Sep 29

Filed Oct 12

ADViAverage daily dollar volume

$105.6M

market data

Share price · 12M

$31.62 (+14.6%)

Adjusted for splits and dividends.

Volume by month

Buys $8K Sells $5.9M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed · past 24 months

Sharon Briansky SVP, GC and Secretary 4 filings · 0 buys, 4 sales MD

Michael Doogue SVP, CTO 2 filings · 1 buy, 1 sale EH

Erin Hagen SVP, CHRO 2 filings · 0 buys, 2 sales RL

Richard R. Lury Director 2 filings · 0 buys, 2 sales RW

Roald Graham Webster VP, Chief Accounting Officer 2 filings · 0 buys, 2 sales TC

Troy Coleman SVP, General Manager, Products 1 filing · 0 buys, 1 sale GC

Gilbert Cisneros Representative 1 filing · 1 buy, 0 sales IK

Ian Kent SVP, Global Operations 1 filing · 0 buys, 1 sale

All 10 filers

Susan D Lynch Director 1 filing · 0 buys, 1 sale RM

Richard Madormo SVP, Worldwide Sales 1 filing · 0 buys, 1 sale

Recent filings

Gilbert CisnerosPURCHASE Representative $8K
$1K–15K bracket
Exec Sep 29
Filed Oct 12 Erin HagenSALE SVP, CHRO $101K
2,285 sh × $44.39
Exec Aug 10
Filed Aug 12 · 4:16 PM ET Richard MadormoSALE SVP, Worldwide Sales $264K
5,000 sh × $52.72
Exec Jun 3
Filed Jun 4 · 5:30 PM ET Troy ColemanSALE SVP, General Manager, Products $206K
4,500 sh × $45.72
Exec May 22
Filed May 26 · 5:30 PM ET Roald Graham WebsterSALE VP, Chief Accounting Officer $234K
5,217 sh × $44.89
Exec May 21
Filed May 22 · 5:30 PM ET Ian KentSALE SVP, Global Operations $110K
2,642 sh × $41.56
Exec May 18
Filed May 19 · 5:30 PM ET Susan D LynchSALE Director $760K
16,711 sh × $45.46
Exec May 14
Filed May 15 · 5:30 PM ET Michael DoogueSALE President and CEO $1.4M
30,089 sh × $47.23
Exec May 11
Filed May 13 · 5:30 PM ET Sharon BrianskySALE SVP, GC and Secretary $425K
8,948 sh × $47.54
Exec May 11
Filed May 13 · 5:30 PM ET Sharon BrianskySALE SVP, GC and Secretary $340K
9,727 sh × $35.00
Exec Mar 2
Filed Mar 3 · 5:30 PM ET Sharon BrianskySALE SVP, GC and Secretary $385K
9,258 sh × $41.56
Exec Feb 17
Filed Feb 18 · 5:30 PM ET Sharon BrianskySALE SVP, GC and Secretary $836K
27,873 sh × $30.00
Exec Dec 10 2025
Filed Dec 12 2025 · 5:30 PM ET Roald Graham WebsterSALE VP, Chief Accounting Officer $271K
8,266 sh × $32.81
Exec Aug 22 2025
Filed Aug 25 2025 · 5:30 PM ET Richard R. LurySALE Director $223K
7,000 sh × $31.81
Exec Aug 12 2025
Filed Aug 13 2025 · 5:30 PM ET Erin HagenSALE SVP, CHRO $157K
5,043 sh × $31.18
Exec Aug 4 2025
Filed Aug 5 2025 · 5:30 PM ET Richard R. LurySALE Director $189K
6,849 sh × $27.60
Exec Jun 4 2025
Filed Jun 6 2025 · 5:30 PM ET Michael DooguePURCHASE SVP, CTO $285K
15,000 sh × $19.00
Exec Nov 18 2024
Filed Nov 19 2024 · 5:30 PM ET Josh GottheimerPURCHASE Representative (Joint) $8K
$1K–15K bracket
Exec Oct 17 2024
Filed Nov 6 2024