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$COHU

$57.00 +$9.01 (18.77%)

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Insider Transactions

Insider Transaction Summary

Luis A Muller

927,619 shares

Net: -52,587 B/S: 2.17

Jeffrey D Jones

343,792 shares

Net: -20,836 B/S: 2.07

DAVID G TACELLI

173,131 shares

Net: 0 B/S: -

CHRISTOPHER BOHRSON

172,702 shares

Net: -13,514 B/S: 3.27

ROBERT L CIARDELLA

100,863 shares

Net: 0 B/S: -

Klaus Ilgenfritz

91,791 shares

Net: +1,330 B/S: ∞

Pascal Ronde

83,955 shares

Net: 0 B/S: -

ANDREW M CAGGIA

79,736 shares

Net: +5,728 B/S: ∞

Fellenberg IAN von

74,554 shares

Net: 0 B/S: -

Hock Woo Chiang

71,947 shares

Net: 0 B/S: -

Stephen R Wigley

65,201 shares

Net: 0 B/S: -

IAN P LAWEE

53,139 shares

Net: 0 B/S: -

STEVEN J BILODEAU

52,272 shares

Net: -17,784 B/S: 0.17

THOMAS D KAMPFER

51,442 shares

Net: 0 B/S: -

Nina Richardson

42,148 shares

Net: +3,578 B/S: ∞

YON JORDEN

35,226 shares

Net: +3,578 B/S: ∞

Jorge Titinger

33,965 shares

Net: 0 B/S: -

Karl H Funke

26,613 shares

Net: 0 B/S: -

Andreas W Mattes

25,814 shares

Net: +3,578 B/S: ∞

Lynne J Camp

19,426 shares

Net: 0 B/S: -

Karen Marie Rapp

19,156 shares

Net: +3,578 B/S: ∞

Ritu Favre

9,592 shares

Net: 0 B/S: -

JOHN H ALLEN

5,698 shares

Net: 0 B/S: -

JAMES A DONAHUE

3,578 shares

Net: -6,679 B/S: 0.35

WILLIAM BENDUSH

3,578 shares

Net: +6,335 B/S: 1.84

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Luis A Muller	927,619	-52,587	2.17
Jeffrey D Jones	343,792	-20,836	2.07
DAVID G TACELLI	173,131	0	-
CHRISTOPHER BOHRSON	172,702	-13,514	3.27
ROBERT L CIARDELLA	100,863	0	-
Klaus Ilgenfritz	91,791	+1,330	∞
Pascal Ronde	83,955	0	-
ANDREW M CAGGIA	79,736	+5,728	∞
Fellenberg IAN von	74,554	0	-
Hock Woo Chiang	71,947	0	-
Stephen R Wigley	65,201	0	-
IAN P LAWEE	53,139	0	-
STEVEN J BILODEAU	52,272	-17,784	0.17
THOMAS D KAMPFER	51,442	0	-
Nina Richardson	42,148	+3,578	∞
YON JORDEN	35,226	+3,578	∞
Jorge Titinger	33,965	0	-
Karl H Funke	26,613	0	-
Andreas W Mattes	25,814	+3,578	∞
Lynne J Camp	19,426	0	-
Karen Marie Rapp	19,156	+3,578	∞
Ritu Favre	9,592	0	-
JOHN H ALLEN	5,698	0	-
JAMES A DONAHUE	3,578	-6,679	0.35
WILLIAM BENDUSH	3,578	+6,335	1.84

Individual Transactions

May 22, 2026

Jeffrey D Jones

Open Market Sale

Change: -13,000

Price: $46.84

Shares: 343,792

Value: -$608,920

Luis A Muller

Open Market Sale

Change: -45,154

Price: $46.62

Shares: 927,619

Value: -$2,105,079

JAMES A DONAHUE

Open Market Sale

Change: -10,257

Price: $46.77

Shares: 3,578

Value: -$479,719

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jeffrey D Jones	May 26	Open Market Sale (S) Market Sale	343,792	-13,000	$46.84	-$608,920
Luis A Muller	May 26	Open Market Sale (S) Market Sale	927,619	-45,154	$46.62	-$2,105,079
JAMES A DONAHUE	May 26	Open Market Sale (S) Market Sale	3,578	-10,257	$46.77	-$479,719

May 20, 2026

STEVEN J BILODEAU

Open Market Sale

Change: -10,257

Price: $44.85

Shares: 52,272

Value: -$460,026

Insider	Filing Date	Transaction	Shares	Change	Price	Value
STEVEN J BILODEAU	May 22	Open Market Sale (S) Market Sale	52,272	-10,257	$44.85	-$460,026

May 15, 2026

CHRISTOPHER BOHRSON

Open Market Sale

Change: -1,000

Price: $46.92

Shares: 172,702

Value: -$46,920

STEVEN J BILODEAU

Grant/Award Acquisition

Change: +3,578

Price: $0.00

Shares: 62,529

Value: +$0

ANDREW M CAGGIA

Grant/Award Acquisition

Change: +3,578

Price: $0.00

Shares: 79,736

Value: +$0

WILLIAM BENDUSH

Other Transaction

Change: +10,257

Price: $0.00

Shares: 35,037

Value: +$0

WILLIAM BENDUSH

Grant/Award Acquisition

Change: +3,578

Price: $0.00

Shares: 3,578

Value: +$0

YON JORDEN

Grant/Award Acquisition

Change: +3,578

Price: $0.00

Shares: 35,226

Value: +$0

JAMES A DONAHUE

Grant/Award Acquisition

Change: +3,578

Price: $0.00

Shares: 13,835

Value: +$0

Andreas W Mattes

Grant/Award Acquisition

Change: +3,578

Price: $0.00

Shares: 25,814

Value: +$0

Nina Richardson

Grant/Award Acquisition

Change: +3,578

Price: $0.00

Shares: 42,148

Value: +$0

Karen Marie Rapp

Grant/Award Acquisition

Change: +3,578

Price: $0.00

Shares: 19,156

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
CHRISTOPHER BOHRSON	May 18	Open Market Sale (S) Market Sale	172,702	-1,000	$46.92	-$46,920
STEVEN J BILODEAU	May 19	Grant/Award Acquisition (A) Compensation/Award	62,529	+3,578	$0.00	+$0
ANDREW M CAGGIA	May 19	Grant/Award Acquisition (A) Compensation/Award	79,736	+3,578	$0.00	+$0
WILLIAM BENDUSH	May 19	Other Transaction (J) Other	35,037	+10,257	$0.00	+$0
WILLIAM BENDUSH	May 19	Grant/Award Acquisition (A) Compensation/Award	3,578	+3,578	$0.00	+$0
YON JORDEN	May 19	Grant/Award Acquisition (A) Compensation/Award	35,226	+3,578	$0.00	+$0
JAMES A DONAHUE	May 19	Grant/Award Acquisition (A) Compensation/Award	13,835	+3,578	$0.00	+$0
Andreas W Mattes	May 19	Grant/Award Acquisition (A) Compensation/Award	25,814	+3,578	$0.00	+$0
Nina Richardson	May 19	Grant/Award Acquisition (A) Compensation/Award	42,148	+3,578	$0.00	+$0
Karen Marie Rapp	May 19	Grant/Award Acquisition (A) Compensation/Award	19,156	+3,578	$0.00	+$0

May 13, 2026

WILLIAM BENDUSH

Open Market Sale

Change: -7,500

Price: $49.14

Shares: 24,780

Value: -$368,550

Insider	Filing Date	Transaction	Shares	Change	Price	Value
WILLIAM BENDUSH	May 14	Open Market Sale (S) Market Sale	24,780	-7,500	$49.14	-$368,550

May 11, 2026

CHRISTOPHER BOHRSON

Open Market Sale

Change: -1,500

Price: $51.28

Shares: 173,702

Value: -$76,920

Insider	Filing Date	Transaction	Shares	Change	Price	Value
CHRISTOPHER BOHRSON	May 12	Open Market Sale (S) Market Sale	173,702	-1,500	$51.28	-$76,920

April 15, 2026

CHRISTOPHER BOHRSON

Open Market Sale

Change: -1,000

Price: $38.00

Shares: 175,202

Value: -$38,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
CHRISTOPHER BOHRSON	Apr 17	Open Market Sale (S) Market Sale	175,202	-1,000	$38.00	-$38,000

March 27, 2026

ANDREW M CAGGIA

Grant/Award Acquisition

Change: +594

Price: $0.00

Shares: 76,158

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
ANDREW M CAGGIA	Mar 30	Grant/Award Acquisition (A) Compensation/Award	76,158	+594	$0.00	+$0

March 16, 2026

CHRISTOPHER BOHRSON

Open Market Sale

Change: -1,000

Price: $28.57

Shares: 176,202

Value: -$28,570

Insider	Filing Date	Transaction	Shares	Change	Price	Value
CHRISTOPHER BOHRSON	Mar 17	Open Market Sale (S) Market Sale	176,202	-1,000	$28.57	-$28,570

March 14, 2026

Klaus Ilgenfritz

Other Transaction

Change: -7,425

Price: $0.00

Shares: 91,791

Value: -$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Klaus Ilgenfritz	Mar 17	Other Transaction (J) Other	91,791	-7,425	$0.00	-$0