Wesco International Inc. (WCC)
NYSE: WCC · Wholesale-Electrical Apparatus & Equipment, Wiring Supplies · Pittsburgh, PA · filing with the SEC since 1997
Grade5.8
◀ Past 6.4● Present 6.4▶ Future 4.2
Who owns Wesco International Inc.
As filed with the SECHolders of 5% or more
3
Blackrock, Inc. holds 8.9% of Common Stock, as its SCHEDULE 13G/A filed Jul 30, 2026 says.
Directors and officers
24
report now, of 35 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Jul 30, 2026 · Common Stock
BlackRock Portfolio Management LLC
SCHEDULE 13G/A · filed Oct 27, 2026 · Common Stock · 10.1% in Mar 4, 2026
Vanguard Capital Management
SCHEDULE 13G · filed Apr 30, 2026 · Common Stock
Wellington Management Group LLP
SCHEDULE 13G/A · filed Aug 13, 2026 · Common Stock · reported falling below 5%, from 7.4% in May 15, 2026
SteelMill Master Fund LP
SCHEDULE 13G/A · filed Aug 14, 2025 · Common Stock, par value $.01 per share · reported falling below 5%, from 4.6% in Feb 14, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What WCC reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Ascent
A company bought · acquisition · Nov 2024 · owns, named in the 10-K filed Feb 13, 2026
Entro CIM
A company bought · acquisition · May 2024 · owns, named in the 10-K filed Feb 13, 2026
Industrial Software Solutions
A company bought · acquisition · owns, named in the 10-K filed Feb 13, 2026
190 subsidiaries in 58 countries, from the list filed with the 10-K filed Feb 13, 2026.
Insider tradesForm 4
50sales
4purchases
0sales on a scheduled plan
10people selling
$65.2Msold, in dollars
$1.3Mbought, in dollars
Open-market trades on Form 4 from Nov 9, 2025 to Nov 9, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 9, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window13 of 40 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Engel John | Chairman, President & CEO | 9 | $28.5M | 0 | 0 | $0 |
| Schulz David S. | EVP & Former CFO | 7 | $15.9M | 0 | 0 | $0 |
| Lazzaris Diane | EVP and General Counsel | 12 | $9.7M | 0 | 0 | $0 |
| Wolf Christine Ann | EVP & CHRO | 5 | $3.2M | 0 | 0 | $0 |
| Khurana Akash | EVP, Chief Info & Digital Off. | 7 | $2.7M | 0 | 0 | $0 |
| Porwal Hemant | EVP Supply Chain & Operations | 2 | $2.6M | 0 | 0 | $0 |
| Naylor Dirk Waugh | EVP & GM, Comm & Sec Solutions | 4 | $1.4M | 0 | 0 | $0 |
| Singleton James Louis | director | 1 | $700,000 | 0 | 0 | $0 |
| Kulasa Matthew S | SVP, Corp. Controller & CAO | 2 | $400,000 | 0 | 0 | $0 |
| Thompson Laura K | director | 1 | $100,000 | 0 | 0 | $0 |
| Castillo Daniel J | EVP & GM, EES | 0 | $0 | 0 | 2 | $700,000 |
| Dev Indraneel | EVP & CFO | 0 | $0 | 0 | 1 | $500,000 |
| Marino Anthony S | EVP & CHRO | 0 | $0 | 0 | 1 | $100,000 |