WESCO director granted 659 RSUs

GRIFFIN BOBBY J reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

GRIFFIN BOBBY J reported acquisition or exercise transactions in this Form 4 filing.

WESCO International director Bobby J. Griffin received an equity award rather than buying shares on the market. He was granted 659 restricted stock units (RSUs), each representing the right to receive one share of common stock at no cost. According to the terms, the RSUs vest in full on the first anniversary of the grant date. After this award, Griffin’s directly owned common stock holdings increased to 32,131.7864 shares.

Insider Trade Summary

Grant/Award: 659 shares

Grant/Award 1 txn

Insider GRIFFIN BOBBY J

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	659	$0.00	$0.00

Holdings After Transaction: Common Stock — 32,131.7864 shares (Direct)

Footnotes (1)

1. F1. Represents a grant of RSUs. Each RSU represents a contingent right to acquire one share of Issuer's common stock. The RSUs vest in full on the first anniversary of the date of grant.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did WESCO (WCC) director Bobby J. Griffin report?

Bobby J. Griffin reported an equity award, not an open-market trade. He received 659 restricted stock units (RSUs) of WESCO common stock, which are contingent rights to receive shares in the future once vesting conditions are met.

How many WESCO (WCC) RSUs were granted to Bobby J. Griffin?

Bobby J. Griffin was granted 659 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of WESCO common stock, subject to vesting. The grant was recorded at a per-share price of $0.00 as it is an award, not a purchase.

When do Bobby J. Griffin’s newly granted WESCO (WCC) RSUs vest?

The granted RSUs vest in full on the first anniversary of the grant date. This means that one year after the award date, all 659 restricted stock units are scheduled to become payable in WESCO common shares, assuming applicable conditions are satisfied.

What is Bobby J. Griffin’s WESCO (WCC) share ownership after this Form 4 transaction?

Following this award, Bobby J. Griffin directly owns 32,131.7864 shares of WESCO common stock. This total includes his prior holdings plus the effect of the 659 restricted stock units granted, as reflected in the post-transaction ownership figure.

Was the WESCO (WCC) Form 4 transaction a market purchase or sale?

The reported transaction was not a market trade. It is coded as an acquisition by grant or award, with 659 restricted stock units provided at a price of $0.00 per share, reflecting compensation rather than a buy or sell order.

What does it mean that Bobby J. Griffin’s WESCO (WCC) RSUs are contingent rights?

Each RSU is a contingent right to receive one share of WESCO common stock. The rights only settle into actual shares if vesting conditions are met, in this case on the first anniversary of the grant date, aligning director compensation with share performance over time.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/03/2026 - 08:17 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

GRIFFIN BOBBY J

(Last) (First) (Middle)

225 WEST STATION SQUARE DRIVE

SUITE 700

(Street)

PITTSBURGH PA 15219

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
WESCO INTERNATIONAL INC [ WCC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/02/2026		A		659(1)	A	$0	32,131.7864	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents a grant of RSUs. Each RSU represents a contingent right to acquire one share of Issuer's common stock. The RSUs vest in full on the first anniversary of the date of grant.

	/s/ Michele Nelson, as Attorney-in-Fact	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.