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$ALGM

$42.81 +$1.31 (3.16%)

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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: -

Michael Doogue

279,076 shares

Net: -13,462 B/S: 2.56

Max R. Glover

266,339 shares

Net: 0 B/S: -

Derek D'Antilio

238,813 shares

Net: -36,204 B/S: ∞

Reza Kazerounian

219,808 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

79,753 shares

Net: -71,994 B/S: 0.28

Troy Coleman

77,476 shares

Net: +77,476 B/S: 20.37

Thomas C. Jr. Teebagy

73,336 shares

Net: 0 B/S: -

Richard Madormo

69,687 shares

Net: +2,878 B/S: 3.96

JOSEPH R MARTIN

35,179 shares

Net: +5,932 B/S: ∞

Erin Hagen

33,337 shares

Net: -6,394 B/S: 1.19

DAVID J ALDRICH

26,746 shares

Net: 0 B/S: -

Ian Kent

25,392 shares

Net: +12,688 B/S: 6.69

Richard R. Lury

18,857 shares

Net: -1,068 B/S: 0.85

MARY G PUMA

17,483 shares

Net: +5,932 B/S: ∞

Jennie Raubacher

14,976 shares

Net: +5,932 B/S: ∞

Roald Graham Webster

13,106 shares

Net: -13,004 B/S: 0.35

Susan D Lynch

12,805 shares

Net: -10,779 B/S: 0.35

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: ∞

Robert Willett

1,094 shares

Net: +1,094 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	-
Michael Doogue	279,076	-13,462	2.56
Max R. Glover	266,339	0	-
Derek D'Antilio	238,813	-36,204	∞
Reza Kazerounian	219,808	0	-
Yoshihiro Suzuki	213,560	+5,932	∞
Christopher Brown	144,988	0	-
Joanne Valente	126,718	0	-
Suman Narayan	123,084	0	-
Sharon Briansky	79,753	-71,994	0.28
Troy Coleman	77,476	+77,476	20.37
Thomas C. Jr. Teebagy	73,336	0	-
Richard Madormo	69,687	+2,878	3.96
JOSEPH R MARTIN	35,179	+5,932	∞
Erin Hagen	33,337	-6,394	1.19
DAVID J ALDRICH	26,746	0	-
Ian Kent	25,392	+12,688	6.69
Richard R. Lury	18,857	-1,068	0.85
MARY G PUMA	17,483	+5,932	∞
Jennie Raubacher	14,976	+5,932	∞
Roald Graham Webster	13,106	-13,004	0.35
Susan D Lynch	12,805	-10,779	0.35
CHRISTINE KING	12,380	0	-
PAUL IV SCHORR	10,199	0	-
Noriharu Fujita	10,036	0	-
Krishna G. Palepu	9,961	+5,932	∞
Robert Willett	1,094	+1,094	∞

Individual Transactions

June 03, 2026

Richard Madormo

Open Market Sale

Change: -5,000

Price: $52.72

Shares: 69,687

Value: -$263,600

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Richard Madormo	Jun 04	Open Market Sale (S) Market Sale	69,687	-5,000	$52.72	-$263,600

May 22, 2026

Troy Coleman

Open Market Sale

Change: -4,500

Price: $45.72

Shares: 77,476

Value: -$205,740

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Troy Coleman	May 26	Open Market Sale (S) Market Sale	77,476	-4,500	$45.72	-$205,740

May 21, 2026

Roald Graham Webster

Open Market Sale

Change: -5,217

Price: $44.89

Shares: 13,106

Value: -$234,165

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Roald Graham Webster	May 22	Open Market Sale (S) Market Sale	13,106	-5,217	$44.89	-$234,165

May 18, 2026

Ian Kent

Open Market Sale

Change: -2,642

Price: $41.56

Shares: 25,392

Value: -$109,801

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Ian Kent	May 19	Open Market Sale (S) Market Sale	25,392	-2,642	$41.56	-$109,801

May 16, 2026

Ian Kent

Tax Payment

Change: -2,345

Price: $43.10

Shares: 28,034

Value: -$101,069

Michael Doogue

Tax Payment

Change: -60,508

Price: $43.10

Shares: 279,076

Value: -$2,607,894

Sharon Briansky

Tax Payment

Change: -13,942

Price: $43.10

Shares: 79,753

Value: -$600,900

Derek D'Antilio

Tax Payment

Change: -37,840

Price: $43.10

Shares: 238,813

Value: -$1,630,904

Roald Graham Webster

Tax Payment

Change: -4,277

Price: $43.10

Shares: 18,323

Value: -$184,338

Erin Hagen

Tax Payment

Change: -5,815

Price: $43.10

Shares: 33,337

Value: -$250,626

Richard Madormo

Tax Payment

Change: -5,439

Price: $43.10

Shares: 74,687

Value: -$234,420

Troy Coleman

Tax Payment

Change: -9,670

Price: $43.10

Shares: 81,976

Value: -$416,777

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Ian Kent	May 19	Tax Payment (F) Tax Payment	28,034	-2,345	$43.10	-$101,069
Michael Doogue	May 19	Tax Payment (F) Tax Payment	279,076	-60,508	$43.10	-$2,607,894
Sharon Briansky	May 19	Tax Payment (F) Tax Payment	79,753	-13,942	$43.10	-$600,900
Derek D'Antilio	May 19	Tax Payment (F) Tax Payment	238,813	-37,840	$43.10	-$1,630,904
Roald Graham Webster	May 19	Tax Payment (F) Tax Payment	18,323	-4,277	$43.10	-$184,338
Erin Hagen	May 19	Tax Payment (F) Tax Payment	33,337	-5,815	$43.10	-$250,626
Richard Madormo	May 19	Tax Payment (F) Tax Payment	74,687	-5,439	$43.10	-$234,420
Troy Coleman	May 19	Tax Payment (F) Tax Payment	81,976	-9,670	$43.10	-$416,777

May 14, 2026

Susan D Lynch

Open Market Sale

Change: -16,711

Price: $45.46

Shares: 12,805

Value: -$759,625

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Susan D Lynch	May 15	Open Market Sale (S) Market Sale	12,805	-16,711	$45.46	-$759,625

May 13, 2026

Robert Willett

Grant/Award Acquisition

Change: +1,094

Price: $0.00

Shares: 1,094

Value: +$0

Michael Doogue

Grant/Award Acquisition

Change: +77,135

Price: $0.00

Shares: 255,884

Value: +$0

Roald Graham Webster

Grant/Award Acquisition

Change: +4,756

Price: $0.00

Shares: 22,056

Value: +$0

Erin Hagen

Grant/Award Acquisition

Change: +9,058

Price: $0.00

Shares: 39,152

Value: +$0

Troy Coleman

Grant/Award Acquisition

Change: +18,116

Price: $0.00

Shares: 91,646

Value: +$0

Sharon Briansky

Grant/Award Acquisition

Change: +15,852

Price: $0.00

Shares: 91,084

Value: +$0

Richard Madormo

Grant/Award Acquisition

Change: +19,815

Price: $0.00

Shares: 80,126

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Robert Willett	May 15	Grant/Award Acquisition (A) Compensation/Award	1,094	+1,094	$0.00	+$0
Michael Doogue	May 15	Grant/Award Acquisition (A) Compensation/Award	255,884	+77,135	$0.00	+$0
Roald Graham Webster	May 15	Grant/Award Acquisition (A) Compensation/Award	22,056	+4,756	$0.00	+$0
Erin Hagen	May 15	Grant/Award Acquisition (A) Compensation/Award	39,152	+9,058	$0.00	+$0
Troy Coleman	May 15	Grant/Award Acquisition (A) Compensation/Award	91,646	+18,116	$0.00	+$0
Sharon Briansky	May 15	Grant/Award Acquisition (A) Compensation/Award	91,084	+15,852	$0.00	+$0
Richard Madormo	May 15	Grant/Award Acquisition (A) Compensation/Award	80,126	+19,815	$0.00	+$0