LAZZARIS DIANE (EVP and General Counsel) sold 41.0% of their position (20.04K shares) of WESCO INTERNATIONAL INC on the open market

Open‑market sale worth $6.11M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 9 sales

LAZZARIS DIANE

Filed: 2/18/2026ACC: 0001193125-26-057734

InsiderLAZZARIS DIANECIK 1428491

→

IssuerWESCO INTERNATIONAL INCCIK 929008

Officer· EVP and General Counsel

Since Mar 2026

-27.25K

Net shares

Net seller

$8.29M

Total sold

Open market trades

0B · 9S

Total transactions

10.70K acquired · 37.95K disposed

Non-Derivative Transactions16

Common Stock

Direct

F · Tax Withholding

−235.87

Price / share

$307.10

Trade value

$72.44K

% of position

0.5%

2/16/2026

45.41K→45.17K

Common Stock

Direct

S · Sale

−8.65K

Price / share

$304.64

Trade value

$2.64M

% of position

19.2%

2/17/2026

45.17K→36.52K

Common Stock

Direct

S · Sale

−6.74K

Price / share

$305.51

Trade value

$2.06M

% of position

18.4%

2/17/2026

36.52K→29.78K

Common Stock

Direct

S · Sale

−645.00

Price / share

$306.23

Trade value

$197.52K

% of position

2.2%

2/17/2026

29.78K→29.13K

Common Stock

Direct

M · Option Exercise

+6.05K

Price / share

$76.80

Trade value

$464.72K

% of position

20.8%

2/17/2026

29.13K→35.19K

Common Stock

Direct

D · Disposition

−1.54K

Price / share

$300.92

Trade value

$464.62K

% of position

4.4%

2/17/2026

35.18K→33.64K

Common Stock

Direct

F · Tax Withholding

−1.96K

Price / share

$300.92

Trade value

$589.80K

% of position

5.8%

2/17/2026

33.64K→31.68K

Common Stock

Direct

M · Option Exercise

+3.32K

Price / share

$171.96

Trade value

$571.60K

% of position

11.4%

2/17/2026

29.13K→32.46K

Common Stock

Direct

M · Option Exercise

+1.33K

Price / share

$152.07

Trade value

$202.10K

% of position

4.1%

2/17/2026

32.46K→33.79K

Common Stock

Direct

F · Tax Withholding

−3.47K

Price / share

$303.64

Trade value

$1.05M

% of position

10.3%

2/17/2026

33.79K→30.32K

Common Stock

Direct

S · Sale

−1K

Price / share

$304.22

Trade value

$304.52K

% of position

3.3%

2/17/2026

30.32K→29.32K

Common Stock

Direct

S · Sale

−185.00

Price / share

$304.82

Trade value

$56.39K

% of position

0.6%

2/17/2026

29.32K→29.14K

Common Stock

Direct

S · Sale

−71.00

Price / share

$300.07

Trade value

$21.30K

% of position

0.2%

2/17/2026

29.14K→29.06K

Common Stock

Direct

S · Sale

−1.62K

Price / share

$301.50

Trade value

$489.33K

% of position

5.1%

2/18/2026

31.61K→29.99K

Common Stock

Direct

S · Sale

−391.00

Price / share

$302.18

Trade value

$118.15K

% of position

1.3%

2/18/2026

29.99K→29.60K

Common Stock

Direct

S · Sale

−733.00

Price / share

$305.28

Trade value

$223.77K

% of position

2.5%

2/18/2026

29.60K→28.86K

Total

Net shares

−16.54K

Net value

-$7.05M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/16/2026	F · Tax Withholding	−235.87	$307.10	$72.44K	0.5%	45.41K	45.17K
Common Stock Direct	2/17/2026	S · Sale	−8.65K	$304.64	$2.64M	19.2%	45.17K	36.52K
Common Stock Direct	2/17/2026	S · Sale	−6.74K	$305.51	$2.06M	18.4%	36.52K	29.78K
Common Stock Direct	2/17/2026	S · Sale	−645.00	$306.23	$197.52K	2.2%	29.78K	29.13K
Common Stock Direct	2/17/2026	M · Option Exercise	+6.05K	$76.80	$464.72K	20.8%	29.13K	35.19K
Common Stock Direct	2/17/2026	D · Disposition	−1.54K	$300.92	$464.62K	4.4%	35.18K	33.64K
Common Stock Direct	2/17/2026	F · Tax Withholding	−1.96K	$300.92	$589.80K	5.8%	33.64K	31.68K
Common Stock Direct	2/17/2026	M · Option Exercise	+3.32K	$171.96	$571.60K	11.4%	29.13K	32.46K
Common Stock Direct	2/17/2026	M · Option Exercise	+1.33K	$152.07	$202.10K	4.1%	32.46K	33.79K
Common Stock Direct	2/17/2026	F · Tax Withholding	−3.47K	$303.64	$1.05M	10.3%	33.79K	30.32K
Common Stock Direct	2/17/2026	S · Sale	−1K	$304.22	$304.52K	3.3%	30.32K	29.32K
Common Stock Direct	2/17/2026	S · Sale	−185.00	$304.82	$56.39K	0.6%	29.32K	29.14K
Common Stock Direct	2/17/2026	S · Sale	−71.00	$300.07	$21.30K	0.2%	29.14K	29.06K
Common Stock Direct	2/18/2026	S · Sale	−1.62K	$301.50	$489.33K	5.1%	31.61K	29.99K
Common Stock Direct	2/18/2026	S · Sale	−391.00	$302.18	$118.15K	1.3%	29.99K	29.60K
Common Stock Direct	2/18/2026	S · Sale	−733.00	$305.28	$223.77K	2.5%	29.60K	28.86K
Total			−16.54K		-$7.05M

Derivative Transactions3

Stock Appreciation Rights

Direct

M · Option Exercise

Converts to

Common Stock

6.05K shares

−6.05K

Strike price

76.8

Held after

0.00

Exercisable

—

2/17/2026

Stock Options (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

3.32K shares

−3.32K

Strike price

171.96

Held after

0.00

Exercisable

—

2/17/2026

Stock Options (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

1.33K shares

−1.33K

Strike price

152.07

Held after

2.66K

Exercisable

—

2/17/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Appreciation Rights Direct	Common Stock6.05K shares	2/17/2026	M · Option Exercise	−6.05K	76.8	—	0.00
Stock Options (Right to Buy) Direct	Common Stock3.32K shares	2/17/2026	M · Option Exercise	−3.32K	171.96	—	0.00
Stock Options (Right to Buy) Direct	Common Stock1.33K shares	2/17/2026	M · Option Exercise	−1.33K	152.07	—	2.66K