WCC insider files Rule 144 notice to sell shares

Matt Kulasa filed a Rule 144 notice to sell Common Stock of WCC.

Rhea-AI Filing Summary

Matt Kulasa filed a Rule 144 notice to sell Common Stock of WCC. The filing lists 73 shares sold during the past 3 months (02/18/2026) for $22,413.19 and records securities associated with exercises and restricted stock: 850 exercised shares (02/18/2026), and restricted grants of 85 and 95 shares (03/01/2026). The filing identifies Morgan Stanley Smith Barney LLC as broker.

Key Figures

Shares sold (past 3 months): 73 shares Proceeds reported: $22,413.19 Exercised shares: 850 shares +3 more

6 metrics

Shares sold (past 3 months) 73 shares sale dated 02/18/2026

Proceeds reported $22,413.19 proceeds from 73-share sale on 02/18/2026

Exercised shares 850 shares exercise dated 02/18/2026

Restricted stock grant 85 shares restricted stock dated 03/01/2026

Restricted stock grant 95 shares restricted stock dated 03/01/2026

Filing date (header) 05/05/2026 header date shown in the excerpt

Key Terms

Rule 144, Restricted Stock, Exercised Shares, Broker of record

4 terms

Rule 144 regulatory

"filed a Rule 144 notice to sell Common Stock"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock financial

"Restricted Stock | Issuer | 85 | 03/01/2026"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Exercised Shares financial

"Exercised Shares | Issuer | 850 | 02/18/2026"

Broker of record other

"Morgan Stanley Smith Barney LLC Executive Financial Services"

A broker of record is the single broker or firm officially authorized to manage an investor’s account, execute trades and receive related communications and fees on behalf of that account. It matters because whoever holds that designation controls who handles orders, gets paid for advice or commissions, and can access account information—similar to choosing a primary agent to handle your taxes or a primary doctor to coordinate care, which affects costs and how decisions are made.

FAQ

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

What does WCC's Form 144 filed by Matt Kulasa report?

It reports a Rule 144 notice to sell Common Stock, listing prior disposition of 73 shares on 02/18/2026 for $22,413.19 and securities tied to exercised and restricted stock grants dated 02/18/2026 and 03/01/2026.

How many shares were listed as exercised or restricted in the WCC filing?

The filing shows 850 exercised shares on 02/18/2026 and restricted stock entries of 85 and 95 shares dated 03/01/2026, as recorded in the Form 144 notice.

What proceeds were reported from recent sales in the WCC Form 144?

The Form 144 lists proceeds of $22,413.19 tied to the sale of 73 shares on 02/18/2026. The filing provides this dollar figure directly alongside the shares sold during the three-month lookback.

Which broker is named in the WCC Rule 144 notice?

The filing names Morgan Stanley Smith Barney LLC at 1 New York Plaza as the broker of record. The notice includes that broker information as part of the securities-to-be-sold entries.

When were the securities-related events dated in the WCC filing?

The filing records an exercise and a reported sale on 02/18/2026 and restricted stock entries dated 03/01/2026. These dates appear next to the respective exercised, sold, and restricted share lines.

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

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Accepted by SEC EDGAR 05/05/2026 - 04:40 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001611129
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	WESCO INTERNATIONAL, INC.
SEC File Number	001-14989
Address of Issuer	225 West Station Square Drive Suite 700 Pittsburgh, PENNSYLVANIA 15219
Phone	(412) 454-2200
Name of Person for Whose Account the Securities are To Be Sold	MATTHEW Stephen KULASA
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	1030	362415.80	48704892	05/05/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/18/2026	Exercised Shares	Issuer			850	02/18/2026	Cash
Common	03/01/2026	Restricted Stock	Issuer			85	03/01/2026	Not Applicable
Common	03/01/2026	Restricted Stock	Issuer			95	03/01/2026	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
MATTHEW STEPHEN KULASA 225 West Station Square Drive Suite 700 Pittsburgh, PA 15219	Common	02/18/2026	73	22413.19

144: Remarks and Signature

Remarks
Date of Notice	05/05/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Matthew Kalusa
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)