FilingIndex
← The Wire
ALGMNasdaq

ALLEGRO MICROSYSTEMS, INC.

Semiconductors & Related Devices · CIK 866291

Designs, develops, and markets sensor and power ICs for automotive and industrial markets

red 8-K · 90d⚡ Elevated coverage
$9.39B
Market cap
$66.37
Last close
+14.7%
1D
+7.8%
5D
7.0M
Volume
Price · last 39 sessions+34.1%
May 4L $41.35 · H $66.37Jun 29
126
Total filings
Jun 24, 2026
Last filing
03/31
Fiscal year end
DEFA14ADEFA14AJun 24, 2026DEF 14ADEF 14AJun 24, 20268-KExecutive Change · Reg FD DisclosureJun 18, 202610-K10-KMay 21, 20268-KExecutive Change · Reg FD DisclosureMay 13, 20268-KResults of OperationsMay 7, 202610-Q10-QJan 30, 20268-KResults of OperationsJan 29, 20268-KMaterial Agreement · New Debt / ObligationJan 21, 20268-KReg FD DisclosureJan 16, 202610-Q10-QOct 31, 20258-KResults of OperationsOct 30, 20258-KShareholder VoteAug 8, 202510-Q10-QAug 1, 20258-KResults of OperationsJul 31, 2025DEFA14ADEFA14AJun 25, 2025DEF 14ADEF 14AJun 25, 202510-K10-KMay 22, 20258-KResults of OperationsMay 8, 20258-KExecutive ChangeMar 12, 2025425425Mar 6, 20258-KExecutive ChangeFeb 24, 20258-KMaterial Agreement · New Debt / ObligationFeb 6, 20258-KExecutive Change · Reg FD DisclosureFeb 3, 202510-Q10-QJan 31, 20258-KResults of OperationsJan 30, 20258-KReg FD DisclosureJan 10, 20258-KReg FD DisclosureJan 6, 20258-KExecutive ChangeDec 23, 2024SC 13GSC 13GNov 8, 2024SC 13GSC 13GNov 4, 202410-Q10-QNov 1, 20248-KResults of OperationsOct 31, 2024SC 13GSC 13GOct 24, 2024SC 13GFILING ALLEGRO MICROSYSTEMS, INC.Oct 9, 20248-KExecutive Change · Material AgreementSep 24, 20248-KShareholder VoteAug 12, 20248-KMaterial Agreement · New Debt / ObligationAug 7, 202410-Q10-QAug 2, 20248-KResults of OperationsAug 1, 20248-KCompany UpdateJul 26, 2024424B5FORM 424B5Jul 25, 2024424B5FORM 424B5Jul 23, 20248-KExecutive Change · Material AgreementJul 23, 2024DEFA14ADEFA14AJun 26, 2024DEF 14ADEF 14AJun 26, 202410-K10-KMay 23, 20248-KResults of OperationsMay 9, 20248-KMaterial AgreementApr 25, 20248-KExecutive Change · Reg FD DisclosureApr 3, 20248-KExecutive ChangeMar 4, 2024SC 13GSC 13GFeb 9, 202410-Q10-QFeb 6, 20248-KResults of OperationsFeb 1, 202410-Q10-QNov 6, 20238-KResults of OperationsNov 2, 20238-KMaterial Agreement · Agreement TerminatedNov 1, 20238-KExecutive Change · Reg FD DisclosureOct 19, 20238-KCompany UpdateSep 21, 20238-KMaterial Agreement · Reg FD DisclosureAug 8, 20238-KShareholder VoteAug 4, 202310-Q10-QAug 4, 20238-KResults of OperationsAug 1, 20238-KMaterial Agreement · Agreement TerminatedJun 23, 2023DEFA14ADEFA14AJun 21, 2023DEF 14ADEF 14AJun 21, 202310-K10-KMay 25, 20238-KResults of OperationsMay 10, 20238-KMaterial Agreement · Agreement TerminatedApr 5, 20238-KExecutive ChangeFeb 22, 202310-Q10-QFeb 1, 20238-KResults of OperationsJan 31, 20238-KAgreement TerminatedNov 17, 202210-Q10-QOct 31, 20228-KResults of OperationsOct 27, 20228-KMaterial Agreement · Agreement TerminatedOct 3, 20228-KExecutive ChangeSep 1, 202210-K/A10-K/AAug 29, 20228-KShareholder VoteAug 5, 202210-Q10-QAug 1, 2022

Insider Activity

In the 90 days to Mar 2, 2026: 2 sold $1.7M.

DateInsiderActionSharesPriceValue
Mar 2, 2026Briansky SharonSVP, GC and SecretarySell9,727$35.00$340K
Mar 2, 2026Hagen ErinSVP, CHROSell2,598$35.00$91K
Feb 17, 2026Briansky SharonSVP, GC and SecretarySell9,258$41.56$385K
Dec 10, 2025Briansky SharonSVP, GC and SecretarySell27,873$30.00$836K

Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.

In the News

⚡ Elevated coverage

Coverage (30d): 1 reputable article · skews positive.

Reputable outlets only (Reuters, WSJ, CNBC, Barron's, and peers). More on Google News ↗

Similar companies

Comparable business profile · signals at a glance