| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lazzaris Diane | EVP and General Counsel | 225 WEST STATION SQUARE DRIVE, SUITE 700, PITTSBURGH | /s/ Michele Nelson, as Attorney-in-Fact | 18 Feb 2026 | 0001428491 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WCC | Common Stock | Tax liability | $72,436 | -236 | -0.52% | $307.10 | 45,172 | 16 Feb 2026 | Direct | F1 |
| transaction | WCC | Common Stock | Sale | $2,636,659 | -8,655 | -19% | $304.64 | 36,517 | 17 Feb 2026 | Direct | F2 |
| transaction | WCC | Common Stock | Sale | $2,058,221 | -6,737 | -18% | $305.51 | 29,780 | 17 Feb 2026 | Direct | F3 |
| transaction | WCC | Common Stock | Sale | $197,518 | -645 | -2.2% | $306.23 | 29,135 | 17 Feb 2026 | Direct | F4 |
| transaction | WCC | Common Stock | Options Exercise | $464,717 | +6,051 | +21% | $76.80 | 35,186 | 17 Feb 2026 | Direct | |
| transaction | WCC | Common Stock | Disposed to Issuer | $464,620 | -1,544 | -4.4% | $300.92 | 33,641 | 17 Feb 2026 | Direct | |
| transaction | WCC | Common Stock | Tax liability | $589,803 | -1,960 | -5.8% | $300.92 | 31,681 | 17 Feb 2026 | Direct | |
| transaction | WCC | Common Stock | Options Exercise | $571,595 | +3,324 | +11% | $171.96 | 32,459 | 17 Feb 2026 | Direct | |
| transaction | WCC | Common Stock | Options Exercise | $202,101 | +1,329 | +4.1% | $152.07 | 33,788 | 17 Feb 2026 | Direct | |
| transaction | WCC | Common Stock | Tax liability | $1,052,416 | -3,466 | -10% | $303.64 | 30,322 | 17 Feb 2026 | Direct | |
| transaction | WCC | Common Stock | Sale | $304,524 | -1,001 | -3.3% | $304.22 | 29,321 | 17 Feb 2026 | Direct | F5 |
| transaction | WCC | Common Stock | Sale | $56,392 | -185 | -0.63% | $304.82 | 29,136 | 17 Feb 2026 | Direct | F6 |
| transaction | WCC | Common Stock | Sale | $21,305 | -71 | -0.24% | $300.07 | 29,065 | 17 Feb 2026 | Direct | F7 |
| transaction | WCC | Common Stock | Sale | $489,334 | -1,623 | -5.1% | $301.50 | 29,989 | 18 Feb 2026 | Direct | F8 |
| transaction | WCC | Common Stock | Sale | $118,152 | -391 | -1.3% | $302.18 | 29,598 | 18 Feb 2026 | Direct | F9 |
| transaction | WCC | Common Stock | Sale | $223,770 | -733 | -2.5% | $305.28 | 28,865 | 18 Feb 2026 | Direct | F10 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WCC | Stock Appreciation Rights | Options Exercise | $0 | -6,051 | -100% | $0.000000 | 0 | 17 Feb 2026 | Common Stock | 6,051 | $76.80 | Direct | F11 |
| transaction | WCC | Stock Options (Right to Buy) | Options Exercise | $0 | -3,324 | -100% | $0.000000 | 0 | 17 Feb 2026 | Common Stock | 3,324 | $171.96 | Direct | F12 |
| transaction | WCC | Stock Options (Right to Buy) | Options Exercise | $0 | -1,329 | -33% | $0.000000 | 2,661 | 17 Feb 2026 | Common Stock | 1,329 | $152.07 | Direct | F13 |
| Id | Content |
|---|---|
| F1 | Represents tax withholding on the vesting of RSUs that were granted February 16, 2023. |
| F2 | Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $304.14 - $305.13. 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. |
| F3 | Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $305.15 - $306.12. 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. |
| F4 | Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $306.15 - $306.45. 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. |
| F5 | Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $303.82 - $304.77. 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. |
| F6 | Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $304.82 - $304.83. 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. |
| F7 | Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $299.87 - $300.14. 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. |
| F8 | Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $301.03 - $302.00. 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. |
| F9 | Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $302.10 - $302.65. 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. |
| F10 | Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $305.16 - $305.60. 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. |
| F11 | The stock appreciation rights became exercisable in three equal annual installments beginning on the first anniversary of the February 11, 2021 grant date. |
| F12 | The stock options became exercisable in three equal annual installments beginning on the first anniversary of the February 16, 2023 grant date. |
| F13 | The stock options became exercisable in three equal annual installments beginning on the first anniversary of the March 1, 2024 grant date. |