STOCK TITAN

[Form 4] WESCO INTERNATIONAL INC Insider Trading Activity

Filing Impact
(Very High)
Filing Sentiment
(Very Negative)
Form Type
4

Rhea-AI Filing Summary

WESCO International Chairman, President & CEO John Engel reported a mix of option exercises and share sales. On May 5, 2026, he exercised Stock Appreciation Rights covering 165,434 shares of common stock at exercise prices of $48.32 and $54.64 per share. A portion of the resulting shares, including 61,885 shares, was delivered to cover tax obligations and 24,109 shares were returned to the issuer.

On May 6, 2026, Engel conducted open‑market sales totaling 79,440 shares of WESCO common stock at weighted average prices generally between the mid‑$350s and low‑$360s per share. Following these transactions, he directly holds about 557,914 shares of WESCO common stock, so the reported sales represent a portion of his overall equity position rather than a full exit.

Positive

  • None.

Negative

  • None.
Insider ENGEL JOHN
Role Chairman, President & CEO
Sold 79,440 shs ($28.50M)
Type Security Shares Price Value
Sale Common Stock 471 $353.74 $167K
Sale Common Stock 5,949 $355.34 $2.11M
Sale Common Stock 6,188 $356.24 $2.20M
Sale Common Stock 21,074 $357.36 $7.53M
Sale Common Stock 4,064 $358.39 $1.46M
Sale Common Stock 10,134 $359.43 $3.64M
Sale Common Stock 18,103 $360.43 $6.52M
Sale Common Stock 12,546 $361.01 $4.53M
Sale Common Stock 911 $362.43 $330K
Exercise Stock Appreciation Rights 72,541 $0.00 --
Exercise Stock Appreciation Rights 92,893 $0.00 --
Exercise Common Stock 72,541 $54.64 $3.96M
Exercise Common Stock 92,893 $48.32 $4.49M
Disposition Common Stock 24,109 $350.59 $8.45M
Tax Withholding Common Stock 61,885 $350.59 $21.70M
Holdings After Transaction: Common Stock — 557,914.741 shares (Direct, null); Stock Appreciation Rights — 0 shares (Direct, null)
Footnotes (1)
  1. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $353.67 - $353.93. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $354.82 - $355.79. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $355.84 - $356.81. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $356.84 - $357.83. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $357.84 - $358.83. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $358.86 - $359.85. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $359.91 - $360.87. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $360.91 - $361.89. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $361.92 - $362.73. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided. The Stock Appreciation Rights became exercisable in three (3) equal, annual installments beginning on the first anniversary of the February 13, 2019 grant date. The Stock Appreciation Rights became exercisable in three (3) equal, annual installments beginning on the first anniversary of the February 13, 2020 grant date.
Open-market shares sold 79,440 shares Common stock sales on May 6, 2026
Sale price range about $353.67–$362.73/share Weighted average prices across multiple sales tranches
Shares from SAR exercises 165,434 shares Common shares from Stock Appreciation Rights on May 5, 2026
SAR exercise prices $48.32 and $54.64/share Exercise prices for two SAR grants
Tax-withholding shares 61,885 shares Shares delivered for tax obligations at $350.59/share
Disposition to issuer 24,109 shares Shares returned to issuer on May 5, 2026
Post-transaction holdings 557,914.7405 shares Direct WESCO common stock held after transactions
Stock Appreciation Rights financial
"The Stock Appreciation Rights became exercisable in three (3) equal, annual installments"
Stock appreciation rights (SARs) are a form of employee compensation that give the holder the right to receive the increase in a company's stock price over a set baseline, paid in cash or shares, without having to buy the stock. For investors, SARs matter because they can create future cash outflows or share dilution and signal how a company rewards and motivates executives — similar to giving a bonus tied directly to how well the company’s stock performs.
weighted average sale price financial
"Represents weighted average sale price. These shares were sold in multiple transactions"
tax-withholding disposition financial
"transaction_action": "tax-withholding disposition""
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
Disposition to issuer financial
"transaction_action": "issuer disposition""
derivative exercise/conversion financial
"transaction_action": "derivative exercise/conversion""
SEC Form 4
FORM 4UNITED 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*
ENGEL JOHN

(Last)(First)(Middle)
225 WEST STATION SQUARE DRIVE
SUITE 700

(Street)
PITTSBURGH PENNSYLVANIA 15219

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
WESCO INTERNATIONAL INC [ WCC ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chairman, President & CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/05/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Common Stock05/05/2026M72,541A$54.64551,486.7405D
Common Stock05/05/2026M92,893A$48.32644,379.7405D
Common Stock05/05/2026D24,109D$350.59620,270.7405D
Common Stock05/05/2026F61,885D$350.59558,385.7405D
Common Stock05/06/2026S471D$353.74(1)557,914.7405D
Common Stock05/06/2026S5,949D$355.34(2)551,965.7405D
Common Stock05/06/2026S6,188D$356.24(3)545,777.7405D
Common Stock05/06/2026S21,074D$357.36(4)524,703.7405D
Common Stock05/06/2026S4,064D$358.39(5)520,639.7405D
Common Stock05/06/2026S10,134D$359.43(6)510,505.7405D
Common Stock05/06/2026S18,103D$360.43(7)492,402.7405D
Common Stock05/06/2026S12,546D$361.01(8)479,856.7405D
Common Stock05/06/2026S911D$362.43(9)478,945.7405D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Appreciation Rights$54.6405/05/2026M72,541 (10)02/13/2029Common Stock72,541$00D
Stock Appreciation Rights$48.3205/05/2026M92,893 (11)02/13/2030Common Stock92,893$00D
Explanation of Responses:
1. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $353.67 - $353.93. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.
2. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $354.82 - $355.79. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.
3. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $355.84 - $356.81. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.
4. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $356.84 - $357.83. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.
5. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $357.84 - $358.83. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.
6. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $358.86 - $359.85. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.
7. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $359.91 - $360.87. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.
8. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $360.91 - $361.89. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.
9. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $361.92 - $362.73. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.
10. The Stock Appreciation Rights became exercisable in three (3) equal, annual installments beginning on the first anniversary of the February 13, 2019 grant date.
11. The Stock Appreciation Rights became exercisable in three (3) equal, annual installments beginning on the first anniversary of the February 13, 2020 grant date.
/s/ Michele Nelson, as Attorney-in-Fact05/07/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)