Allegro MicroSystems, Inc. (ALGM) reports major shareholder
- FMR LLC owns 5.3% of ALGM's common stock
- Abigail P. Johnson owns 5.3% of ALGM's common stock
- FMR LLC and Abigail P. Johnson filed Schedule 13G on 2026-10-07
FMR LLC, filed by
ALGM
ALLEGRO MICROSYSTEMS, INC. SEC filings
Every EDGAR filing for ALLEGRO MICROSYSTEMS, INC. (ALGM), newest first, with AI summaries and stories.
- Ticker
- ALGM
- CIK
- 866291
- Latest filing
- Oct 8
Next: earnings expected ~Oct 29 ยท 10-Q expected ~Oct 30 (deadline Nov 4)
Insider activity
No open-market insider buys in the last 30 days.
Filings
SCHEDULE 13G/AALLEGRO MICROSYSTEMS, INC.ALGMLIVE 4ALLEGRO MICROSYSTEMS, INC.ALGMLIVE Robert Willett, insider filing for ALGM
Robert Willett
4ALLEGRO MICROSYSTEMS, INC.ALGMLIVE Jennie Raubacher, insider filing for ALGM
Jennie Raubacher, reporting
144ALLEGRO MICROSYSTEMS, INC.ALGMLIVE Jennie Raubacher, planned sale of ALGM shares
Jennie Raubacher, reporting
SCHEDULE 13GALLEGRO MICROSYSTEMS, INC.ALGMLIVE Ownership stake disclosure by Invesco Ltd.
Invesco Ltd., filed by
4ALLEGRO MICROSYSTEMS, INC.ALGMLIVE Erin Hagen, insider filing for ALGM
Erin Hagen, reporting
144ALLEGRO MICROSYSTEMS, INC.ALGMLIVE Erin Hagen, planned sale of ALGM shares
Erin Hagen, reporting
8-KALLEGRO MICROSYSTEMS, INC.ALGMLIVE 4ALLEGRO MICROSYSTEMS, INC.ALGMLIVE 7 insider filings
Yoshihiro Suzuki, insider filing for ALGM
Show all 7
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
Yoshihiro Suzuki, reporting
SCHEDULE 13G/AALLEGRO MICROSYSTEMS, INC.ALGMLIVE Ownership stake disclosure by FMR LLC (amended)
FMR LLC, filed by
10-QALLEGRO MICROSYSTEMS, INC.ALGMLIVE 8-KALLEGRO MICROSYSTEMS, INC.ALGMLIVE SCHEDULE 13G/AALLEGRO MICROSYSTEMS, INC.ALGMLIVE Ownership stake disclosure by BlackRock, Inc. (amended)
BlackRock, Inc., filed by
SCHEDULE 13GALLEGRO MICROSYSTEMS, INC.ALGMLIVE Ownership stake disclosure by JPMORGAN CHASE & CO
JPMORGAN CHASE & CO, filed by
ARSALLEGRO MICROSYSTEMS, INC.ALGMLIVE DEFA14AALLEGRO MICROSYSTEMS, INC.ALGMLIVE DEF 14AALLEGRO MICROSYSTEMS, INC.ALGMLIVE 4ALLEGRO MICROSYSTEMS, INC.ALGMLIVE 2 insider filings
Brian C White, insider filing for ALGM
Show all 2
- 4Insider filing for ALGM
- 3New insider at ALGM
Brian C White, reporting
8-KALLEGRO MICROSYSTEMS, INC.ALGMLIVE 4ALLEGRO MICROSYSTEMS, INC.ALGMLIVE Richard Madormo, insider filing for ALGM
Richard Madormo, reporting
144ALLEGRO MICROSYSTEMS, INC.ALGMLIVE Richard Madormo, planned sale of ALGM shares
Richard Madormo, reporting
SDALLEGRO MICROSYSTEMS, INC.ALGMLIVE 4ALLEGRO MICROSYSTEMS, INC.ALGMLIVE Troy Coleman, insider filing for ALGM
Troy Coleman, reporting
4ALLEGRO MICROSYSTEMS, INC.ALGMLIVE Roald Graham Webster, insider filing for ALGM
Roald Graham Webster, reporting
144ALLEGRO MICROSYSTEMS, INC.ALGMLIVE Troy Coleman, planned sale of ALGM shares
Troy Coleman, reporting
10-KALLEGRO MICROSYSTEMS, INC.ALGMLIVE 4ALLEGRO MICROSYSTEMS, INC.ALGMLIVE 8 insider filings
Roald Graham Webster, insider filing for ALGM
Show all 8
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
Roald Graham Webster, reporting
144ALLEGRO MICROSYSTEMS, INC.ALGMLIVE Ian Kent, planned sale of ALGM shares
Ian Kent, reporting
4ALLEGRO MICROSYSTEMS, INC.ALGMLIVE 8 insider filings
Roald Graham Webster, insider filing for ALGM
Show all 8
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
- 4Insider filing for ALGM
Roald Graham Webster, reporting