Understand Stock

$ALGM

$51.07 -$2.04 (3.84%)

Deep Research with AI Research

Overview

$ALGM Overview Financials SEC Filings Executives News

Specialized Tools

Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

Electric Co., Ltd. Sanken

59,732,782 shares

Net: 0 B/S: -

SKNA, L.P. OEP

33,087,099 shares

Net: 0 B/S: -

VI GP, Ltd. OEP

17,649,247 shares

Net: 0 B/S: -

Ravi Vig

1,806,103 shares

Net: 0 B/S: -

Paul V Jr Walsh

684,851 shares

Net: 0 B/S: -

Vineet A Nargolwala

355,913 shares

Net: 0 B/S: -

Max R. Glover

266,339 shares

Net: 0 B/S: -

Reza Kazerounian

219,808 shares

Net: 0 B/S: -

Derek D'Antilio

216,776 shares

Net: -27,803 B/S: -

Michael Doogue

215,549 shares

Net: 0 B/S: -

Yoshihiro Suzuki

213,560 shares

Net: +5,932 B/S: ∞

Christopher Brown

144,988 shares

Net: 0 B/S: -

Joanne Valente

126,718 shares

Net: 0 B/S: -

Suman Narayan

123,084 shares

Net: 0 B/S: -

Sharon Briansky

84,180 shares

Net: -64,956 B/S: -

Troy Coleman

73,530 shares

Net: +73,530 B/S: ∞

Thomas C. Jr. Teebagy

73,336 shares

Net: 0 B/S: -

Richard Madormo

60,311 shares

Net: -6,498 B/S: -

JOSEPH R MARTIN

35,179 shares

Net: +5,932 B/S: ∞

Erin Hagen

30,094 shares

Net: -9,637 B/S: -

Susan D Lynch

29,516 shares

Net: +5,932 B/S: ∞

DAVID J ALDRICH

26,746 shares

Net: 0 B/S: -

Ian Kent

21,887 shares

Net: +9,183 B/S: ∞

Richard R. Lury

18,857 shares

Net: -4,168 B/S: 0.59

MARY G PUMA

17,483 shares

Net: +5,932 B/S: ∞

Roald Graham Webster

17,300 shares

Net: -8,266 B/S: -

Jennie Raubacher

14,976 shares

Net: +5,932 B/S: ∞

CHRISTINE KING

12,380 shares

Net: 0 B/S: -

PAUL IV SCHORR

10,199 shares

Net: 0 B/S: -

Noriharu Fujita

10,036 shares

Net: 0 B/S: -

Krishna G. Palepu

9,961 shares

Net: +5,932 B/S: ∞

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Electric Co., Ltd. Sanken	59,732,782	0	-
SKNA, L.P. OEP	33,087,099	0	-
VI GP, Ltd. OEP	17,649,247	0	-
Ravi Vig	1,806,103	0	-
Paul V Jr Walsh	684,851	0	-
Vineet A Nargolwala	355,913	0	-
Max R. Glover	266,339	0	-
Reza Kazerounian	219,808	0	-
Derek D'Antilio	216,776	-27,803	-
Michael Doogue	215,549	0	-
Yoshihiro Suzuki	213,560	+5,932	∞
Christopher Brown	144,988	0	-
Joanne Valente	126,718	0	-
Suman Narayan	123,084	0	-
Sharon Briansky	84,180	-64,956	-
Troy Coleman	73,530	+73,530	∞
Thomas C. Jr. Teebagy	73,336	0	-
Richard Madormo	60,311	-6,498	-
JOSEPH R MARTIN	35,179	+5,932	∞
Erin Hagen	30,094	-9,637	-
Susan D Lynch	29,516	+5,932	∞
DAVID J ALDRICH	26,746	0	-
Ian Kent	21,887	+9,183	∞
Richard R. Lury	18,857	-4,168	0.59
MARY G PUMA	17,483	+5,932	∞
Roald Graham Webster	17,300	-8,266	-
Jennie Raubacher	14,976	+5,932	∞
CHRISTINE KING	12,380	0	-
PAUL IV SCHORR	10,199	0	-
Noriharu Fujita	10,036	0	-
Krishna G. Palepu	9,961	+5,932	∞

Individual Transactions

March 24, 2026

Richard Madormo

Disposition to Issuer

Change: -6,498

Price: $32.58

Shares: 60,311

Value: -$211,704

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Richard Madormo	Mar 25	Disposition to Issuer (D) Payment to Issuer	60,311	-6,498	$32.58	-$211,704

March 02, 2026

Sharon Briansky

Open Market Sale

Change: -9,727

Price: $35.00

Shares: 84,180

Value: -$340,445

Erin Hagen

Open Market Sale

Change: -2,598

Price: $35.00

Shares: 30,094

Value: -$90,930

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Sharon Briansky	Mar 03	Open Market Sale (S) Market Sale	84,180	-9,727	$35.00	-$340,445
Erin Hagen	Mar 03	Open Market Sale (S) Market Sale	30,094	-2,598	$35.00	-$90,930

February 27, 2026

Derek D'Antilio

Tax Payment

Change: -9,995

Price: $36.47

Shares: 216,776

Value: -$364,517

Sharon Briansky

Tax Payment

Change: -9,107

Price: $36.47

Shares: 93,907

Value: -$332,132

Erin Hagen

Tax Payment

Change: -1,996

Price: $36.47

Shares: 32,692

Value: -$72,794

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Derek D'Antilio	Mar 03	Tax Payment (F) Tax Payment	216,776	-9,995	$36.47	-$364,517
Sharon Briansky	Mar 03	Tax Payment (F) Tax Payment	93,907	-9,107	$36.47	-$332,132
Erin Hagen	Mar 03	Tax Payment (F) Tax Payment	32,692	-1,996	$36.47	-$72,794

February 17, 2026

Sharon Briansky

Open Market Sale

Change: -9,258

Price: $41.56

Shares: 103,014

Value: -$384,762

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Sharon Briansky	Feb 18	Open Market Sale (S) Market Sale	103,014	-9,258	$41.56	-$384,762

February 13, 2026

Sharon Briansky

Tax Payment

Change: -8,991

Price: $42.38

Shares: 112,272

Value: -$381,038

Derek D'Antilio

Tax Payment

Change: -17,808

Price: $42.38

Shares: 226,771

Value: -$754,703

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Sharon Briansky	Feb 18	Tax Payment (F) Tax Payment	112,272	-8,991	$42.38	-$381,038
Derek D'Antilio	Feb 18	Tax Payment (F) Tax Payment	226,771	-17,808	$42.38	-$754,703

February 02, 2026

Ian Kent

Grant/Award Acquisition

Change: +9,183

Price: $0.00

Shares: 21,887

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Ian Kent	Mar 04	Grant/Award Acquisition (A) Compensation/Award	21,887	+9,183	$0.00	+$0

December 10, 2025

Sharon Briansky

Open Market Sale

Change: -27,873

Price: $30.00

Shares: 121,263

Value: -$836,190

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Sharon Briansky	Dec 12	Open Market Sale (S) Market Sale	121,263	-27,873	$30.00	-$836,190

November 11, 2025

Troy Coleman

Grant/Award Acquisition

Change: +73,530

Price: $0.00

Shares: 73,530

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Troy Coleman	Nov 12	Grant/Award Acquisition (A) Compensation/Award	73,530	+73,530	$0.00	+$0

August 22, 2025

Roald Graham Webster

Open Market Sale

Change: -8,266

Price: $32.81

Shares: 17,300

Value: -$271,192

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Roald Graham Webster	Aug 25	Open Market Sale (S) Market Sale	17,300	-8,266	$32.81	-$271,192

August 12, 2025

Richard R. Lury

Open Market Sale

Change: -7,000

Price: $31.81

Shares: 18,857

Value: -$222,672

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Richard R. Lury	Aug 13	Open Market Sale (S) Market Sale	18,857	-7,000	$31.81	-$222,672

August 07, 2025

Jennie Raubacher

Grant/Award Acquisition

Change: +5,932

Price: $0.00

Shares: 14,976

Value: +$0

Yoshihiro Suzuki

Grant/Award Acquisition

Change: +5,932

Price: $0.00

Shares: 213,560

Value: +$0

Richard R. Lury

Grant/Award Acquisition

Change: +5,932

Price: $0.00

Shares: 25,857

Value: +$0

Susan D Lynch

Grant/Award Acquisition

Change: +5,932

Price: $0.00

Shares: 29,516

Value: +$0

Krishna G. Palepu

Grant/Award Acquisition

Change: +5,932

Price: $0.00

Shares: 9,961

Value: +$0

JOSEPH R MARTIN

Grant/Award Acquisition

Change: +5,932

Price: $0.00

Shares: 35,179

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jennie Raubacher	Aug 08	Grant/Award Acquisition (A) Compensation/Award	14,976	+5,932	$0.00	+$0
Yoshihiro Suzuki	Aug 08	Grant/Award Acquisition (A) Compensation/Award	213,560	+5,932	$0.00	+$0
Richard R. Lury	Aug 08	Grant/Award Acquisition (A) Compensation/Award	25,857	+5,932	$0.00	+$0
Susan D Lynch	Aug 08	Grant/Award Acquisition (A) Compensation/Award	29,516	+5,932	$0.00	+$0
Krishna G. Palepu	Aug 08	Grant/Award Acquisition (A) Compensation/Award	9,961	+5,932	$0.00	+$0
JOSEPH R MARTIN	Aug 08	Grant/Award Acquisition (A) Compensation/Award	35,179	+5,932	$0.00	+$0