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$COHR

$403.63 -$23.26 (5.45%)

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Insider Transactions

Insider Transaction Summary

VINCENT D JR MATTERA

665,189 shares

Net: 0 B/S: -

FRANCIS J KRAMER

272,685 shares

Net: 0 B/S: -

JAMES ROBERT ANDERSON

192,274 shares

Net: +68,133 B/S: ∞

MARK STEWART SOBEY

189,688 shares

Net: 0 B/S: -

MARY JANE RAYMOND

165,373 shares

Net: 0 B/S: -

GIOVANNI BARBAROSSA

163,158 shares

Net: -93,817 B/S: 0.13

JOHN AMBROSEO

160,296 shares

Net: 0 B/S: -

JERRY S RAWLS

96,656 shares

Net: 0 B/S: -

WALTER ROBERT II BASHAW

80,712 shares

Net: 0 B/S: -

JOSEPH J CORASANTI

80,193 shares

Net: -16,469 B/S: 0.33

MARC Y E PELAEZ

71,487 shares

Net: 0 B/S: -

Sherri R Luther

70,475 shares

Net: -8,866 B/S: 2.62

David G Wagner

58,417 shares

Net: 0 B/S: -

Jo Anne Schwendinger

58,382 shares

Net: 0 B/S: -

INC II-VI

58,341 shares

Net: 0 B/S: -

Howard H. Xia

53,538 shares

Net: +5,791 B/S: 1.97

Gary Alan Kapusta

49,439 shares

Net: 0 B/S: -

Julie Sheridan Eng

49,436 shares

Net: -1,806 B/S: 1.51

Robert P Beard

48,208 shares

Net: +8,835 B/S: ∞

Christopher Koeppen

42,024 shares

Net: -3,600 B/S: -

SHAKER SADASIVAM

41,173 shares

Net: +2,551 B/S: ∞

Richard J. Martucci

40,149 shares

Net: 0 B/S: -

Ronald Basso

39,434 shares

Net: 0 B/S: -

WENDY F DICICCO

30,546 shares

Net: 0 B/S: -

DAVID L MOTLEY

26,197 shares

Net: +2,551 B/S: ∞

Kevin S. Palatnik

25,090 shares

Net: 0 B/S: -

Ilaria Mocciaro

24,033 shares

Net: +1,741 B/S: 3.0

Patricia Hatter

23,859 shares

Net: +2,551 B/S: ∞

STEPHEN G PAGLIUCA

18,468 shares

Net: +2,272 B/S: ∞

THOMAS E MISTLER

18,036 shares

Net: 0 B/S: -

STEPHEN A SKAGGS

16,864 shares

Net: -8,972 B/S: 0.22

SANDEEP VIJ

15,954 shares

Net: +2,551 B/S: ∞

Lisa Neal-Graves

15,233 shares

Net: +2,551 B/S: ∞

Robert Stephens

15,043 shares

Net: 0 B/S: -

PETER W SOGNEFEST

14,597 shares

Net: 0 B/S: -

Bret DiMarco

14,200 shares

Net: 0 B/S: -

Michael L Dreyer

12,364 shares

Net: -9,019 B/S: 0.22

William A. Schromm

10,461 shares

Net: 0 B/S: -

Paul F Sechrist

9,798 shares

Net: 0 B/S: -

MICHELLE M STERLING

8,924 shares

Net: +551 B/S: 1.28

Thomas Merk

5,398 shares

Net: 0 B/S: -

Elizabeth Patrick

5,382 shares

Net: +2,551 B/S: ∞

Michael R. McMullen

1,234 shares

Net: 0 B/S: -

Enrico Digirolomo

0 shares

Net: -7,043 B/S: 0.38

Capital Partners XII, LLC Bain

0 shares

Net: 0 B/S: 1.03

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
VINCENT D JR MATTERA	665,189	0	-
FRANCIS J KRAMER	272,685	0	-
JAMES ROBERT ANDERSON	192,274	+68,133	∞
MARK STEWART SOBEY	189,688	0	-
MARY JANE RAYMOND	165,373	0	-
GIOVANNI BARBAROSSA	163,158	-93,817	0.13
JOHN AMBROSEO	160,296	0	-
JERRY S RAWLS	96,656	0	-
WALTER ROBERT II BASHAW	80,712	0	-
JOSEPH J CORASANTI	80,193	-16,469	0.33
MARC Y E PELAEZ	71,487	0	-
Sherri R Luther	70,475	-8,866	2.62
David G Wagner	58,417	0	-
Jo Anne Schwendinger	58,382	0	-
INC II-VI	58,341	0	-
Howard H. Xia	53,538	+5,791	1.97
Gary Alan Kapusta	49,439	0	-
Julie Sheridan Eng	49,436	-1,806	1.51
Robert P Beard	48,208	+8,835	∞
Christopher Koeppen	42,024	-3,600	-
SHAKER SADASIVAM	41,173	+2,551	∞
Richard J. Martucci	40,149	0	-
Ronald Basso	39,434	0	-
WENDY F DICICCO	30,546	0	-
DAVID L MOTLEY	26,197	+2,551	∞
Kevin S. Palatnik	25,090	0	-
Ilaria Mocciaro	24,033	+1,741	3.0
Patricia Hatter	23,859	+2,551	∞
STEPHEN G PAGLIUCA	18,468	+2,272	∞
THOMAS E MISTLER	18,036	0	-
STEPHEN A SKAGGS	16,864	-8,972	0.22
SANDEEP VIJ	15,954	+2,551	∞
Lisa Neal-Graves	15,233	+2,551	∞
Robert Stephens	15,043	0	-
PETER W SOGNEFEST	14,597	0	-
Bret DiMarco	14,200	0	-
Michael L Dreyer	12,364	-9,019	0.22
William A. Schromm	10,461	0	-
Paul F Sechrist	9,798	0	-
MICHELLE M STERLING	8,924	+551	1.28
Thomas Merk	5,398	0	-
Elizabeth Patrick	5,382	+2,551	∞
Michael R. McMullen	1,234	0	-
Enrico Digirolomo	0	-7,043	0.38
Capital Partners XII, LLC Bain	0	0	1.03

Individual Transactions

April 22, 2026

Sherri R Luther

Open Market Sale

Change: -2,000

Price: $351.00

Shares: 70,475

Value: -$702,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Sherri R Luther	Apr 24	Open Market Sale (S) Market Sale	70,475	-2,000	$351.00	-$702,000

March 17, 2026

Howard H. Xia

Option Exercise/Conversion

Change: +3,240

Price: $21.67

Shares: 53,538

Value: +$70,210

Howard H. Xia

Open Market Sale

Change: -1,000

Price: $245.57

Shares: 52,538

Value: -$245,570

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Howard H. Xia	Mar 18	Option Exercise/Conversion (M) Compensation/Award	53,538	+3,240	$21.67	+$70,210
Howard H. Xia	Mar 18	Open Market Sale (S) Market Sale	52,538	-1,000	$245.57	-$245,570

March 16, 2026

Howard H. Xia

Open Market Sale

Change: -1,000

Price: $258.00

Shares: 50,298

Value: -$258,000

Howard H. Xia

Option Exercise/Conversion

Change: +1,000

Price: $21.67

Shares: 51,298

Value: +$21,670

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Howard H. Xia	Mar 18	Open Market Sale (S) Market Sale	50,298	-1,000	$258.00	-$258,000
Howard H. Xia	Mar 18	Option Exercise/Conversion (M) Compensation/Award	51,298	+1,000	$21.67	+$21,670

March 10, 2026

Julie Sheridan Eng

Open Market Sale

Change: -1,454

Price: $258.18

Shares: 49,436

Value: -$375,393

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Julie Sheridan Eng	Mar 12	Open Market Sale (S) Market Sale	49,436	-1,454	$258.18	-$375,393

March 09, 2026

STEPHEN A SKAGGS

Open Market Sale

Change: -3,523

Price: $243.13

Shares: 16,864

Value: -$856,550

Insider	Filing Date	Transaction	Shares	Change	Price	Value
STEPHEN A SKAGGS	Mar 11	Open Market Sale (S) Market Sale	16,864	-3,523	$243.13	-$856,550

March 06, 2026

Enrico Digirolomo

Option Exercise/Conversion

Change: -1,005

Price: $0.00

Shares: 0

Value: -$0

Enrico Digirolomo

Gift

Change: -1,847

Price: $0.00

Shares: 15,599

Value: -$0

Enrico Digirolomo

Open Market Sale

Change: -3,911

Price: $241.50

Shares: 17,446

Value: -$944,506

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Enrico Digirolomo	Mar 09	Option Exercise/Conversion (M) Compensation/Award	0	-1,005	$0.00	-$0
Enrico Digirolomo	Mar 09	Gift (G) Non-Market Transfer	15,599	-1,847	$0.00	-$0
Enrico Digirolomo	Mar 09	Open Market Sale (S) Market Sale	17,446	-3,911	$241.50	-$944,506

March 02, 2026

Julie Sheridan Eng

Open Market Sale

Change: -2,792

Price: $291.42

Shares: 50,890

Value: -$813,646

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Julie Sheridan Eng	Mar 04	Open Market Sale (S) Market Sale	50,890	-2,792	$291.42	-$813,646

February 12, 2026

Sherri R Luther

Open Market Sale

Change: -4,000

Price: $217.74

Shares: 72,475

Value: -$870,954

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Sherri R Luther	Feb 17	Open Market Sale (S) Market Sale	72,475	-4,000	$217.74	-$870,954

February 11, 2026

Lisa Neal-Graves

Grant/Award Acquisition

Change: +279

Price: $0.00

Shares: 15,233

Value: +$0

Patricia Hatter

Grant/Award Acquisition

Change: +279

Price: $0.00

Shares: 23,859

Value: +$0

Enrico Digirolomo

Grant/Award Acquisition

Change: +279

Price: $0.00

Shares: 21,357

Value: +$0

MICHELLE M STERLING

Grant/Award Acquisition

Change: +279

Price: $0.00

Shares: 8,924

Value: +$0

Elizabeth Patrick

Grant/Award Acquisition

Change: +279

Price: $0.00

Shares: 5,382

Value: +$0

DAVID L MOTLEY

Grant/Award Acquisition

Change: +279

Price: $0.00

Shares: 26,197

Value: +$0

Michael L Dreyer

Grant/Award Acquisition

Change: +279

Price: $0.00

Shares: 12,364

Value: +$0

Howard H. Xia

Grant/Award Acquisition

Change: +279

Price: $0.00

Shares: 50,298

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Lisa Neal-Graves	Feb 12	Grant/Award Acquisition (A) Compensation/Award	15,233	+279	$0.00	+$0
Patricia Hatter	Feb 12	Grant/Award Acquisition (A) Compensation/Award	23,859	+279	$0.00	+$0
Enrico Digirolomo	Feb 12	Grant/Award Acquisition (A) Compensation/Award	21,357	+279	$0.00	+$0
MICHELLE M STERLING	Feb 12	Grant/Award Acquisition (A) Compensation/Award	8,924	+279	$0.00	+$0
Elizabeth Patrick	Feb 12	Grant/Award Acquisition (A) Compensation/Award	5,382	+279	$0.00	+$0
DAVID L MOTLEY	Feb 12	Grant/Award Acquisition (A) Compensation/Award	26,197	+279	$0.00	+$0
Michael L Dreyer	Feb 12	Grant/Award Acquisition (A) Compensation/Award	12,364	+279	$0.00	+$0
Howard H. Xia	Feb 12	Grant/Award Acquisition (A) Compensation/Award	50,298	+279	$0.00	+$0