Centene CAO discloses initial 29.8K-share stake

Centene Corp executive Theodore J. Pienkos, Corporate Controller and Chief Accounting Officer, filed an initial ownership report showing 29,843.4930 shares of common stock held directly.

Rhea-AI Filing Summary

Centene Corp executive Theodore J. Pienkos, Corporate Controller and Chief Accounting Officer, filed an initial ownership report showing 29,843.4930 shares of common stock held directly. This total includes 16,140 restricted stock units that vest in scheduled installments between September 15, 2026 and March 15, 2027.

The ownership also includes 1,381 performance stock units reported at target level, granted on March 15, 2024. The number of these performance units that will actually vest on March 15, 2027 can range from 0% to 200% of the target amount, depending on achievement of performance conditions.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider PIENKOS THEODORE J

Role Corporate Controller & CAO

Type	Security	Shares	Price	Value
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 29,843.493 shares (Direct)

Footnotes (1)

1. F1. Ownership includes 16,140 previously awarded restricted stock units subject to the following vesting requirements: 11,275 units vest in three equal installments on the anniversary of the grant date beginning September 15, 2026; 4,010 units vest in two equal installments on the anniversary of the grant date beginning March 15, 2027; 855 units vest on March 15, 2027. An additional 1,381 shares are previously awarded performance stock units reported at target level performance. The performance stock units were granted on March 15, 2024, and the actual number of performance stock units that will vest on March 15, 2027, ranges from 0% to 200% of the reported target performance based on the achievement of performance conditions.

FAQ

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

What does Theodore J. Pienkos report owning in Centene Corp (CNC) on this Form 3?

The filing shows Theodore J. Pienkos directly owning a total of 29,843.4930 shares of Centene common stock. This figure includes both time-based restricted stock units and performance stock units that may vest in future years, subject to specified conditions.

How many restricted stock units does Centene’s CAO report on this Form 3 for CNC?

The Form 3 indicates 16,140 restricted stock units are included in the reported ownership. These units vest in installments between September 15, 2026 and March 15, 2027, reflecting equity compensation that converts into shares over time if service conditions are met.

What are the vesting dates for Theodore Pienkos’ restricted stock units in Centene (CNC)?

Of the reported restricted stock units, 11,275 vest in three equal installments starting September 15, 2026. Another 4,010 vest in two equal installments beginning March 15, 2027, and 855 units vest fully on March 15, 2027.

How many performance stock units does Theodore Pienkos hold in Centene Corp (CNC)?

The filing notes 1,381 performance stock units granted on March 15, 2024, reported at target performance. The actual number that will vest on March 15, 2027 can be between 0% and 200% of this target, based on performance results.

Is this Centene (CNC) Form 3 a buy or sell transaction for Theodore Pienkos?

This Form 3 is an initial ownership report, not a buy or sell transaction. It discloses Pienkos’ existing Centene holdings, including restricted and performance stock units, as he is a Corporate Controller and Chief Accounting Officer subject to insider reporting rules.

What role does Theodore J. Pienkos hold at Centene Corp (CNC) in this Form 3?

The filing identifies Theodore J. Pienkos as Corporate Controller & Chief Accounting Officer of Centene Corp. Because of this senior officer role, his equity holdings and future transactions in Centene common stock must be reported on Forms 3, 4, or 5 under SEC rules.

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

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Accepted by SEC EDGAR 03/27/2026 - 05:27 PM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

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. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

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

3a. Foreign Trading Symbol

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

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

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

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	29,843.493(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Ownership includes 16,140 previously awarded restricted stock units subject to the following vesting requirements: 11,275 units vest in three equal installments on the anniversary of the grant date beginning September 15, 2026; 4,010 units vest in two equal installments on the anniversary of the grant date beginning March 15, 2027; 855 units vest on March 15, 2027. An additional 1,381 shares are previously awarded performance stock units reported at target level performance. The performance stock units were granted on March 15, 2024, and the actual number of performance stock units that will vest on March 15, 2027, ranges from 0% to 200% of the reported target performance based on the achievement of performance conditions.

Remarks:

	/s/ Christopher A. Koster (executed by attorney-in-fact)	03/27/2026
	** 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 5 (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 3: SEC 1473 (03-26)