XIA HOWARD H. sold 7.8% of their position (4.24K shares) of COHERENT CORP. on the open market

Open‑market sale worth $1.04M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales

XIA HOWARD H.

Filed: 3/18/2026ACC: 0000899140-26-000328

InsiderXIA HOWARD H.CIK 1517296

→

IssuerCOHERENT CORP.CIK 820318

Director

Since Aug 2018

-4.24K

Net shares

Net seller

$1.04M

Total sold

Open market trades

0B · 4S

Total transactions

4.24K acquired · 8.48K disposed

Non-Derivative Transactions6

Common Stock

Direct

M · Option Exercise

+1K

Price / share

$21.67

Trade value

$21.67K

% of position

2.0%

3/16/2026

50.30K→51.30K

Common Stock

Direct

S · Sale

−1K

Price / share

$258.00

Trade value

$258K

% of position

1.9%

3/16/2026

51.30K→50.30K

Common Stock

Direct

M · Option Exercise

+3.24K

Price / share

$21.67

Trade value

$70.21K

% of position

6.4%

3/17/2026

50.30K→53.54K

Common Stock

Direct

S · Sale

−1K

Price / share

$245.57

Trade value

$245.57K

% of position

1.9%

3/17/2026

53.54K→52.54K

Common Stock

Direct

S · Sale

−1K

Price / share

$244.46

Trade value

$244.46K

% of position

1.9%

3/17/2026

52.54K→51.54K

Common Stock

Direct

S · Sale

−1.24K

Price / share

$236.22

Trade value

$292.91K

% of position

2.4%

3/17/2026

51.54K→50.30K

Total

Net shares

+0.00

Net value

-$949.06K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	3/16/2026	M · Option Exercise	+1K	$21.67	$21.67K	2.0%	50.30K	51.30K
Common Stock Direct	3/16/2026	S · Sale	−1K	$258.00	$258K	1.9%	51.30K	50.30K
Common Stock Direct	3/17/2026	M · Option Exercise	+3.24K	$21.67	$70.21K	6.4%	50.30K	53.54K
Common Stock Direct	3/17/2026	S · Sale	−1K	$245.57	$245.57K	1.9%	53.54K	52.54K
Common Stock Direct	3/17/2026	S · Sale	−1K	$244.46	$244.46K	1.9%	52.54K	51.54K
Common Stock Direct	3/17/2026	S · Sale	−1.24K	$236.22	$292.91K	2.4%	51.54K	50.30K
Total			+0.00		-$949.06K

Derivative Transactions2

Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

1K shares

−1K

Strike price

21.67

Held after

5.24K

Exercisable

—

3/16/2026

Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

3.24K shares

−3.24K

Strike price

21.67

Held after

Exercisable

—

3/17/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Option (Right to Buy) Direct	Common Stock1K shares	3/16/2026	M · Option Exercise	−1K	21.67	—	5.24K
Option (Right to Buy) Direct	Common Stock3.24K shares	3/17/2026	M · Option Exercise	−3.24K	21.67	—	2K