Waste Connections (WCN) SVP sells 500 shares in open market

Rhea-AI Filing Summary

Waste Connections, Inc. senior vice president of operations Robert Nielsen III reported an open-market sale of 500 Common Shares. The shares were sold at an average price of $155.56 per share. Following this transaction, he directly owns 4,250 Common Shares of the company.

Insider Trade Summary

Net Seller: 500 shares ($77,780)

Net Sell 1 txn

Insider NIELSEN III ROBERT

Role SR VP Operations

Sold 500 shs ($78K)

Type	Security	Shares	Price	Value
Sale	Common Shares	500	$155.56	$78K

Holdings After Transaction: Common Shares — 4,250 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 500 shares Sale price: $155.56 per share Shares owned after: 4,250 shares +2 more

5 metrics

Shares sold 500 shares Open-market sale of Common Shares

Sale price $155.56 per share Average price for 500-share sale

Shares owned after 4,250 shares Direct ownership following transaction

Net shares sold 500 shares Net buy/sell direction reported as net-sell

Transaction date May 14, 2026 Date of open-market sale

Key Terms

Form 4, open-market sale, Common Shares, non-derivative

4 terms

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

open-market sale financial

"transaction_action: "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Shares financial

"security_title: "Common Shares""

Common shares are the basic units of ownership in a company that give holders a claim on profits and a right to vote on key matters, like electing the board. Think of them as membership cards in a club: they let you share in successes and losses, but in a bankruptcy or liquidation they are paid after creditors and preferred shareholders, so their value can swing more and matters for assessing risk and potential return.

non-derivative financial

"transaction_type: "non-derivative""

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED 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^*

NIELSEN III ROBERT

(Last) (First) (Middle)

3 WATERWAY SQUARE PLACE

SUITE 110

(Street)

THE WOODLANDS TEXAS 77380

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Waste Connections, Inc. [ WCN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SR VP Operations

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/14/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Shares	05/14/2026		S		500	D	$155.56	4,250	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

	Robert Nielsen III	05/18/2026
	** Signature of Reporting Person	Date
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)

FAQ

What insider transaction did Waste Connections (WCN) report for Robert Nielsen III?

Waste Connections reported that senior vice president of operations Robert Nielsen III sold 500 Common Shares in an open-market transaction. The sale was recorded on Form 4 and reflects a routine disposition of company stock by an executive officer.

How many Waste Connections (WCN) shares did the executive sell and at what price?

Robert Nielsen III sold 500 Common Shares of Waste Connections at an average price of $155.56 per share. This open-market sale is disclosed in the Form 4 insider trading report filed with regulators.

How many Waste Connections (WCN) shares does Robert Nielsen III own after the sale?

After the reported sale, Robert Nielsen III directly owns 4,250 Common Shares of Waste Connections. This remaining stake is shown in the Form 4 as his direct ownership position following the 500-share open-market sale.

What type of transaction was reported in the Waste Connections (WCN) Form 4 filing?

The Form 4 filing reports an open-market sale of Common Shares by executive Robert Nielsen III. The transaction is coded as a sale, indicating shares were sold rather than acquired, and is classified as a non-derivative equity transaction.

Does the Waste Connections (WCN) Form 4 show any derivative securities for the executive?

The Form 4 summary shows no derivative transactions or remaining derivative positions for Robert Nielsen III. All reported activity relates to non-derivative Common Shares, with 4,250 shares directly owned after the 500-share sale.