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Matthew Stephen Black

CIK: 0001544201

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (6.5%)

Position reduction

Option Exercises (M)10 (32.3%)

Derivative conversions

Awards (A)4 (12.9%)

Compensation grants

Other (G, F, J, C, D, …)15 (48.4%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

Waste Connections, Inc. logo
WCN

Waste Connections, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (31 total)

  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Oct 29, 2026
    Sale(S)
    Direct
    5.6K shares at avg. $181.15$1.0M
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Oct 29, 2026
    Sale(S)
    Direct
    5.4K shares at avg. $180.04$975K
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Jun 30, 2026
    Other(J)
    Direct
    16 shares at avg. $158.36$3K
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 18, 2026
    Exercise(M)
    Direct
    804 shares-
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 18, 2026
    Tax Payment(F)
    Direct
    317 shares at avg. $162.76$52K
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 17, 2026
    Tax Payment(F)
    Direct
    1.1K shares at avg. $161.28$174K
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 17, 2026
    Exercise(M)
    Direct
    4.4K shares-
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 17, 2026
    Exercise(M)
    Direct
    793 shares-
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 17, 2026
    Tax Payment(F)
    Direct
    221 shares at avg. $161.28$36K
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 16, 2026
    Tax Payment(F)
    Direct
    166 shares at avg. $160.26$27K
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 16, 2026
    Exercise(M)
    Direct
    645 shares-
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 14, 2026
    Tax Payment(F)
    Direct
    157 shares at avg. $160.26$25K
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 14, 2026
    Exercise(M)
    Direct
    529 shares-
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 13, 2026
    Award(A)

    Restricted Share Units

    Direct
    2.5K shares-
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 13, 2026
    Award(A)

    Restricted Share Units

    Direct
    2.5K shares-
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Dec 31, 2025
    Other(J)
    Direct
    13 shares at avg. $166.59$2K
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Jun 30, 2025
    Other(J)
    Direct
    12 shares at avg. $177.38$2K
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 21, 2025
    Gift(G)
    Direct
    121 shares-
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 19, 2025
    Exercise(M)
    Direct
    958 shares-
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 19, 2025
    Tax Payment(F)
    Direct
    377 shares at avg. $187.82$71K
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 18, 2025
    Tax Payment(F)
    Direct
    890 shares at avg. $187.65$167K
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 18, 2025
    Exercise(M)
    Direct
    3.7K shares-
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 18, 2025
    Tax Payment(F)
    Direct
    282 shares at avg. $187.65$53K
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 18, 2025
    Exercise(M)
    Direct
    803 shares-
  • Waste Connections, Inc. logo
    WCN

    Waste Connections, Inc.

    Feb 17, 2025
    Exercise(M)
    Direct
    793 shares-

1-25 of 31

About Black Matthew Stephen

Black Matthew Stephen (SEC CIK 0001544201) files insider reports with the SEC as Sr VP Chief Tax Officer of Waste Connections, Inc. (WCN).

Signal8 holds 10 ownership filings by Black Matthew Stephen, all Form 4s, filed between Jan 3, 2025 and Nov 2, 2026. Those filings report 31 transactions, from Dec 31, 2024 to Oct 29, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Black Matthew Stephen's filings is in THE WOODLANDS, TX.

Recent filings by Black Matthew Stephen

  • Oct 29, 2026: Open-market sales of WCN shares (2 lines, Form 4, code S).
  • Jun 30, 2026: Other transaction of WCN shares (Form 4, code J).
  • Feb 18, 2026: Option exercise of WCN shares (Form 4, code M).
  • Feb 18, 2026: Tax withholding of WCN shares (Form 4, code F).
  • Feb 17, 2026: Tax withholding of WCN shares (Form 4, code F).

Other insiders filing for Waste Connections, Inc. (WCN)

How to read Form 4 transaction codes