Allegro Microsystems, Inc.

ALGM
As of the close on Sep 25, 2026
Price
$36.76
Market cap
$6.85B
P/E (diluted TTM)
525.1
EPS (TTM)
$0.07
Four quarters to Jun 26, 2026
Dividend yield
—
Dividend records do not yet cover the latest payments

Figures shown here come from public SEC filings. Dates beside each section show the available history.

How Allegro Microsystems, Inc. Makes Money

Follow each dollar of revenue through to what shareholders keep.

From revenue to net income

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Source: Allegro Microsystems, Inc. — 10-Q filed Jul 31, 2026

Financial Summary

Choose a year or quarter, compare it with the same period a year earlier, and open any row for its full filing history.

Loading financial history…

SEC filings supply these figures; updates after the dates shown are not included. This page includes 7 annual periods. The latest annual period ends Mar 27, 2026. The latest insider filing shown is dated Jun 18, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.

Ownership

Who holds the shares, as reported in SEC ownership filings.

Reported 13F positions

Each row shows what a filer reported for one date, not a current position. The link opens that filing.

Filer Report date Shares Value Filing
WHITTIER TRUST CO OF NEVADA INC 2026-03-31 75 $2.46K SEC filing
RENAISSANCE TECHNOLOGIES LLC 2026-03-31 123,900 $3.91M SEC filing
Farther Finance Advisors, LLC 2026-03-31 2,185 $72.8K SEC filing
CASTLEARK MANAGEMENT LLC 2026-03-31 147,420 $4.65M SEC filing
EverSource Wealth Advisors, LLC 2026-03-31 552 $17.4K SEC filing
AMERIPRISE FINANCIAL INC 2026-03-31 359,282 $11.3M SEC filing
State of Wyoming 2026-03-31 13,834 $436K SEC filing
MIRABELLA FINANCIAL SERVICES LLP 2026-03-31 17,082 $539K SEC filing
Golden State Wealth Management, LLC 2026-03-31 36 $1.14K SEC filing
Capital Research Global Investors 2026-03-31 12,435,558 $392M SEC filing
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 2026-03-31 1,390,606 $43.8M SEC filing
MassMutual Private Wealth & Trust, FSB 2026-03-31 196 $6.18K SEC filing
Pinnacle Wealth Planning Services, Inc. 2026-03-31 62 $1.96K SEC filing
PRICE T ROWE ASSOCIATES INC /MD/ 2026-03-31 113,799 Not shown SEC filing
CREATIVE FINANCIAL DESIGNS INC /ADV 2026-03-31 5 $158 SEC filing
FMR LLC 2026-03-31 27,421,206 $865M SEC filing
MERCER GLOBAL ADVISORS INC /ADV 2026-03-31 11,350 $358K SEC filing
Clearstead Advisors, LLC 2026-03-31 33 $1.04K SEC filing
SIRIOS CAPITAL MANAGEMENT L P 2026-03-31 298,421 $9.41M SEC filing
COMMERCE BANK 2026-03-31 15,646 $493K SEC filing
  • Each value is checked against Allegro Microsystems, Inc.'s share prices from within about three months of its report date (insiders' Form 4 trades and the latest close).
  • Value not shown for 1 row: the filed value is about 1,000 times too small for the share count at Allegro Microsystems, Inc.'s share price.

120 filers have only one report here.

Unusually large insider trades

Each trade is compared with the other insider trades of the same kind in the same security among Allegro Microsystems, Inc.'s recent filings on file. Size alone is context, not a prediction or evidence of improper trading.

  • 2024-08-07 · Sanken Electric Co., Ltd.: Larger than 47 of the 48 other insider sales of Common Stock on file. SEC filing
  • 2024-07-29 · Sanken Electric Co., Ltd.: Larger than all 48 other insider sales of Common Stock on file. SEC filing
  • 2023-02-02 · OEP SKNA, L.P.: Larger than 46 of the 48 other insider sales of Common Stock on file. SEC filing
  • 2022-12-05 · Doogue Michael: Larger than 44 of the 48 other insider sales of Common Stock on file. SEC filing
  • 2021-12-07 · Walsh Paul V Jr: Larger than 44 of the 48 other insider sales of Common Stock on file. SEC filing

Independent insiders buying near the same time

  • 2023-11-14–2023-11-17: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )

Purchases & sales (open market or private)

SecurityCodePriceFiling
2026-06-03Madormo Richard · SVP, Worldwide SalesCommon StockS — Open market or private sale−5,00052.72SEC filing
2026-05-22Coleman Troy · SVP, General Manager, ProductsCommon StockS — Open market or private sale−4,50045.72SEC filing
2026-05-21Webster Roald Graham · VP, Chief Accounting OfficerCommon StockS — Open market or private sale−5,21744.89SEC filing
2026-05-18Kent Ian · SVP, Global OperationsCommon StockS — Open market or private sale−2,64241.56SEC filing
2026-05-14Lynch Susan D · DirectorCommon StockS — Open market or private sale−16,71145.46SEC filing
2026-05-11Doogue Michael · President and CEOCommon StockS — Open market or private sale−30,08947.23SEC filing
2026-05-11Briansky Sharon · SVP, GC and SecretaryCommon StockS — Open market or private sale−8,94847.54SEC filing
2026-03-02Hagen Erin · SVP, CHROCommon StockS — Open market or private sale−2,59835.00SEC filing

Showing 8 of 18 rows

Grants, exercises, tax & gifts

SecurityCodeFiling
2026-06-17WHITE BRIAN C · DirectorCommon StockA — Grant, award, or other acquisition+594SEC filing
2026-05-16Kent Ian · SVP, Global OperationsCommon StockF — Payment of exercise price or tax by delivering securities−2,345SEC filing
2026-05-16Hagen Erin · SVP, CHROCommon StockF — Payment of exercise price or tax by delivering securities−5,815SEC filing
2026-05-16D'Antilio Derek · EVP, CFO & TreasurerCommon StockF — Payment of exercise price or tax by delivering securities−37,840SEC filing
2026-05-16Madormo Richard · SVP, Worldwide SalesCommon StockF — Payment of exercise price or tax by delivering securities−5,439SEC filing
2026-05-16Briansky Sharon · SVP, GC and SecretaryCommon StockF — Payment of exercise price or tax by delivering securities−13,942SEC filing
2026-05-16Coleman Troy · SVP, General Manager, ProductsCommon StockF — Payment of exercise price or tax by delivering securities−9,670SEC filing
2026-05-16Webster Roald Graham · VP, Chief Accounting OfficerCommon StockF — Payment of exercise price or tax by delivering securities−4,277SEC filing

Showing 8 of 23 rows

Other activity

SecurityCodeFiling
2026-03-24Madormo Richard · SVP, Worldwide SalesCommon StockD — Disposition to the issuer−6,498SEC filing
2024-05-22Doogue Michael · SVP, CTOCommon StockJ — Other acquisition or disposition−29,384SEC filing
2024-05-22Doogue Michael · SVP, CTOCommon StockJ — Other acquisition or disposition+29,384SEC filing
2023-11-21Doogue Michael · SVP, CTOCommon StockJ — Other acquisition or disposition+70,287SEC filing
2023-11-21Doogue Michael · SVP, CTOCommon StockJ — Other acquisition or disposition−70,287SEC filing
2023-06-07Doogue Michael · SVP, CTOCommon StockJ — Other acquisition or disposition+55,196SEC filing
2023-06-07Doogue Michael · SVP, CTOCommon StockJ — Other acquisition or disposition−55,196SEC filing
2022-06-13Vig Ravi · President and CEOCommon StockD — Disposition to the issuer−53,572SEC filing

Showing 8 of 9 rows

These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.