Companies: 10,795·Total market cap: $144.5T
Allegro MicroSystems, Inc.

Allegro MicroSystems, Inc.

ALGMNASDAQTechnology● Active
$47.89
+$1.50(+3.23%)
Market Cap$8.9B
P/E Ratio
52W High$54.1
52W Low$22.41
Overview

Allegro MicroSystems, Inc. (ALGM) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · ALGM · as of Jun 8, 2026

Activity summary

Buy transactions

0

P-Purchase only

Sell transactions

14

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH
↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Allegro MicroSystems, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

ALGM insider buying and selling by quarter

ALGM insider selling · ALGM insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
38.8M19.4M0
2025 Q3
2025 Q4
2026 Q1
2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · ALGM ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

ALGM executive sell shares · ALGM board member insider trading · ALGM insider trading SEC filing

Showing 95 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Madormo Richard

SVP, Worldwide Sales

Sale

Date

Jun 3

Shares

5,000

Price

$52.72

Value

$264K

View Form 4 on SEC.gov

Coleman Troy

SVP, General Manager, Products

Sale

Date

May 22

Shares

4,500

Price

$45.72

Value

$206K

View Form 4 on SEC.gov

Webster Roald Graham

VP, Chief Accounting Officer

Sale

Date

May 21

Shares

5,217

Price

$44.88

Value

$234K

View Form 4 on SEC.gov

Hagen Erin

SVP, CHRO

Other

Date

May 16

Shares

5,815

Price

$43.10

Value

$251K

View Form 4 on SEC.gov

Kent Ian

SVP, Global Operations

Other

Date

May 16

Shares

2,345

Price

$43.10

Value

$101K

View Form 4 on SEC.gov

Kent Ian

SVP, Global Operations

Sale

Date

May 18

Shares

2,642

Price

$41.56

Value

$110K

View Form 4 on SEC.gov

D'Antilio Derek

EVP, CFO & Treasurer

Other

Date

May 16

Shares

37,840

Price

$43.10

Value

$1.63M ⚡

View Form 4 on SEC.gov

Madormo Richard

SVP, Worldwide Sales

Other

Date

May 16

Shares

5,439

Price

$43.10

Value

$234K

View Form 4 on SEC.gov

Webster Roald Graham

VP, Chief Accounting Officer

Other

Date

May 16

Shares

4,277

Price

$43.10

Value

$184K

View Form 4 on SEC.gov

Doogue Michael

President and CEO · Director

Other

Date

May 16

Shares

60,508

Price

$43.10

Value

$2.61M ⚡

View Form 4 on SEC.gov

Briansky Sharon

SVP, GC and Secretary

Other

Date

May 16

Shares

13,942

Price

$43.10

Value

$601K

View Form 4 on SEC.gov

Coleman Troy

SVP, General Manager, Products

Other

Date

May 16

Shares

9,670

Price

$43.10

Value

$417K

View Form 4 on SEC.gov

Willett Robert

Director

Award

Date

May 13

Shares

1,094

Price

Value

View Form 4 on SEC.gov

Kent Ian

SVP, Global Operations

Award

Date

May 13

Shares

8,492

Price

Value

View Form 4 on SEC.gov

Madormo Richard

SVP, Worldwide Sales

Award

Date

May 13

Shares

19,815

Price

Value

View Form 4 on SEC.gov

Briansky Sharon

SVP, GC and Secretary

Award

Date

May 13

Shares

2,611

Price

Value

View Form 4 on SEC.gov

Briansky Sharon

SVP, GC and Secretary

Award

Date

May 13

Shares

15,852

Price

Value

View Form 4 on SEC.gov

D'Antilio Derek

EVP, CFO & Treasurer

Award

Date

May 13

Shares

30,438

Price

Value

View Form 4 on SEC.gov

D'Antilio Derek

EVP, CFO & Treasurer

Award

Date

May 13

Shares

29,439

Price

Value

View Form 4 on SEC.gov

Lynch Susan D

Director

Sale

Date

May 14

Shares

16,711

Price

$45.46

Value

$760K

View Form 4 on SEC.gov

Coleman Troy

SVP, General Manager, Products

Award

Date

May 13

Shares

18,116

Price

Value

View Form 4 on SEC.gov

Doogue Michael

President and CEO · Director

Award

Date

May 13

Shares

83,700

Price

Value

View Form 4 on SEC.gov

Doogue Michael

President and CEO · Director

Award

Date

May 13

Shares

77,135

Price

Value

View Form 4 on SEC.gov

Hagen Erin

SVP, CHRO

Award

Date

May 13

Shares

9,058

Price

Value

View Form 4 on SEC.gov

Webster Roald Graham

VP, Chief Accounting Officer

Award

Date

May 13

Shares

544

Price

Value

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About ALGM insider trading

ALGM insider trades

Allegro MicroSystems, Inc. (ALGM) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Briansky Sharon (SVP, GC and Secretary), Webster Roald Graham (VP, Chief Accounting Officer), Hagen Erin (SVP, CHRO). Over the past 12 months, 5 insiders have filed transactions with the SEC. ALGM insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Allegro MicroSystems, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

ALGM insider trading · 5 questions

The insiders of Allegro MicroSystems, Inc. (ALGM) include executives and directors such as Briansky Sharon (SVP, GC and Secretary), Webster Roald Graham (VP, Chief Accounting Officer), Hagen Erin (SVP, CHRO), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

ALGM board member insider tradingwho are ALGM insidersALGM insider rosterAllegro MicroSystems, Inc. executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026