What is Christopher P. DeSantis’s remaining Waste Management (WM) share ownership after these transactions?

After the reported transactions, DeSantis directly holds 9,392.87 shares of Waste Management common stock. This figure reflects his position following the 107-share tax-withholding disposition and the 61-share open-market sale disclosed in the Form 4 insider trading report.

Waste Management (WM) SVP DeSantis reports small stock sale and tax disposition

Filing Impact

(Neutral)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Waste Management, Inc. senior vice president Christopher P. DeSantis reported routine equity transactions involving company common stock. On March 7, 107 shares were disposed of at $246.31 per share to satisfy federal income tax obligations tied to a restricted share award settlement. On March 9, he executed an open-market sale of 61 shares at an average price of $245.50 per share under a pre-arranged Rule 10b5-1 trading plan. Following these transactions, DeSantis directly holds 9,392.87 shares of Waste Management common stock.

Insider Trade Summary

Net Seller: 61 shares ($14,976)

Net Sell 2 txns

Insider DeSantis Christopher P.

Role SVP Operations - East

Sold 61 shs ($15K)

Type	Security	Shares	Price	Value
Sale	Common Stock	61	$245.50	$15K
Tax Withholding	Common Stock	107	$246.31	$26K

Holdings After Transaction: Common Stock — 9,392.87 shares (Direct)

Footnotes (1)

Settlement of restricted share award granted under Waste Management, Inc. 2014 Stock Incentive Plan. Sale of additional shares to cover personal federal income tax obligation pursuant to a Rule 10b5-1 Trading Plan.

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Form 4 Insider Transactions: What Each Field Means →

03/10/2026 - 01:50 PM

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^*

DeSantis Christopher P.

(Last)

(First)

(Middle)

800 CAPITOL STREET, SUITE 3000

(Street)

HOUSTON

77002

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
WASTE MANAGEMENT INC [ WM ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	SVP Operations - East

3. Date of Earliest Transaction (Month/Day/Year)
03/07/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

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

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock⁽¹⁾	03/07/2026		F		107	D	$246.31	9,453.87	D
Common Stock⁽²⁾	03/09/2026		S		61	D	$245.5	9,392.87	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Settlement of restricted share award granted under Waste Management, Inc. 2014 Stock Incentive Plan.

2. Sale of additional shares to cover personal federal income tax obligation pursuant to a Rule 10b5-1 Trading Plan.

	Courtney Tippy, Attorney-in-fact	03/10/2026
	** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did Waste Management (WM) executive Christopher P. DeSantis report?

Christopher P. DeSantis reported two transactions in Waste Management common stock: a tax-related share disposition and a small open-market sale. These moves involved 214 shares in total and are typical of routine equity compensation and liquidity management activity for senior executives.

How many Waste Management (WM) shares did Christopher P. DeSantis sell and at what price?

DeSantis sold 61 shares of Waste Management common stock in an open-market transaction at an average price of $245.50 per share. The sale was executed under a Rule 10b5-1 trading plan, indicating it was pre-scheduled rather than a spur-of-the-moment decision.

Why were 107 Waste Management (WM) shares disposed of in Christopher P. DeSantis’s Form 4 filing?

The 107 Waste Management shares were disposed of to cover personal federal income tax obligations tied to a restricted share award settlement. This tax-withholding disposition, priced at $246.31 per share, is a standard mechanism when equity awards vest and generate taxable income.

Were Christopher P. DeSantis’s Waste Management (WM) stock sales made under a Rule 10b5-1 plan?

Yes, the Form 4 notes that the additional shares sold were executed pursuant to a Rule 10b5-1 trading plan. Such plans pre-schedule transactions, helping separate insider portfolio management from the timing of material nonpublic information.