Centene controller has 1,092 shares withheld for tax

Centene’s Corporate Controller & CAO had shares withheld to cover taxes on vesting equity, leaving a direct holding of about 28.8 thousand shares.

Rhea-AI Filing Summary

CENTENE CORP (CNC) reported that Corporate Controller & CAO Theodore J. Pienkos had 1,092 shares of common stock withheld on September 15, 2026 to pay tax liabilities upon vesting of a previously reported restricted stock unit grant. After this withholding, he holds 28,751.493 shares directly, including 13,763 restricted and performance stock units subject to vesting requirements. No Rule 10b5-1 trading plan is reported.

Insider Trade Summary

Tax Withholding: 1,092 shares

Tax Withholding 1 txn

Insider PIENKOS THEODORE J

Role Corporate Controller & CAO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1, F2	1,092	$69.41	$76K

Holdings After Transaction: Common Stock — 28,751.493 shares (Direct)

Footnotes (2)

1. F1. Shares withheld for taxes upon vesting of previously-reported grant of restricted stock units.
2. F2. Ownership includes 13,763 shares of previously-granted restricted stock units and performance stock units (reported at target level performance) subject to vesting requirements.

Key Figures

Shares withheld for taxes: 1,092 shares Withholding price per share: $69.41 per share Shares held after transaction: 28,751.493 shares +1 more

4 metrics

Shares withheld for taxes 1,092 shares Withheld on September 15, 2026 to pay tax liability upon vesting

Withholding price per share $69.41 per share Value used for the 1,092 shares withheld for tax payment

Shares held after transaction 28,751.493 shares Direct ownership following the September 15, 2026 tax withholding

Unvested RSUs and PSUs included in ownership 13,763 shares Previously granted restricted stock units and performance stock units at target performance

Key Terms

restricted stock units, performance stock units, withheld for taxes

3 terms

restricted stock units financial

"Shares withheld for taxes upon vesting of previously-reported grant of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

performance stock units financial

"includes 13,763 shares of previously-granted restricted stock units and performance stock units"

Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.

withheld for taxes financial

"Shares withheld for taxes upon vesting of previously-reported grant"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did CNC report for Theodore J. Pienkos?

CNC reported that 1,092 shares of common stock were withheld for taxes on September 15, 2026 upon vesting of a previously reported restricted stock unit grant held by Corporate Controller & CAO Theodore J. Pienkos.

Was the Centene (CNC) insider transaction an open-market sale?

No. The filing states the 1,092 shares were withheld for taxes upon vesting of restricted stock units, classified as a payment of tax liability by delivering or withholding securities, rather than an open-market sale.

How many CNC shares does Theodore J. Pienkos hold after this transaction?

Following the September 15, 2026 tax withholding, Theodore J. Pienkos directly holds 28,751.493 shares of Centene common stock, which includes both vested shares and unvested equity awards reported in the filing.

How many restricted and performance stock units does the CNC insider have after vesting?

The filing states that ownership includes 13,763 shares of previously granted restricted stock units and performance stock units, reported at target-level performance and still subject to vesting requirements.

Was the Centene (CNC) insider transaction under a Rule 10b5-1 plan?

No. The document-level Rule 10b5-1 checkbox is not affirmed, and there is no footnote indicating that the September 15, 2026 tax-withholding transaction was executed under a Rule 10b5-1 trading plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/16/2026 - 04:55 PM Accepted by SEC EDGAR 09/16/2026 - 04:54 PM Learn about SEC filing dates

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^*

PIENKOS THEODORE J

(Last) (First) (Middle)

7700 FORSYTH BOULEVARD

(Street)

ST. LOUIS MISSOURI 63105

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CENTENE CORP [ CNC ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Corporate Controller & CAO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026

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 Stock	09/15/2026		F		1,092(1)	D	$69.41	28,751.493(2)	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:

1. Shares withheld for taxes upon vesting of previously-reported grant of restricted stock units.

2. Ownership includes 13,763 shares of previously-granted restricted stock units and performance stock units (reported at target level performance) subject to vesting requirements.

Remarks:

	/s/ Christopher A. Koster (executed by attorney-in-fact)	09/16/2026
	** 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)