Pediatrix (MD) EVP uses 11,944 vested shares to cover tax withholding

Rhea-AI Filing Summary

Pediatrix Medical Group EVP Mary Ann E. Moore reported a routine share withholding for taxes. On the vesting of restricted stock, 11,944 common shares were withheld at $21.54 per share to cover tax obligations, classified as a tax-withholding disposition.

After this event, she directly holds 96,466 common shares. A separate trust, for which she and her spouse serve as trustees, holds 93,424 common shares indirectly; she disclaims beneficial interest in those shares beyond her pecuniary interest.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Moore Mary Ann E

Role EVP, GC, Chief Admin Off & Sec

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	11,944	$21.54	$257K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 96,466 shares (Direct, null); Common Stock — 93,424 shares (Indirect, By Trust)

Footnotes (1)

1. Represents 11,944 restricted shares withheld for payment of taxes upon vesting of shares. The reporting person and her spouse are trustees of the trust that holds the reported securities. The reporting person disclaims beneficial interest of the reported securities except to the extent of her pecuniary interest therein.

Key Figures

Tax-withheld shares: 11,944 shares Withholding price: $21.54 per share Direct holdings after transaction: 96,466 shares +1 more

4 metrics

Tax-withheld shares 11,944 shares Restricted shares withheld to pay taxes on vesting

Withholding price $21.54 per share Value used for tax-withholding disposition

Direct holdings after transaction 96,466 shares Common stock directly held by Moore after tax withholding

Indirect trust holdings 93,424 shares Common stock held by trust where Moore and spouse are trustees

Key Terms

restricted shares, tax-withholding disposition, pecuniary interest, indirect ownership, +1 more

5 terms

restricted shares financial

"Represents 11,944 restricted shares withheld for payment of taxes upon vesting of shares."

Restricted shares are company stock that cannot be sold or transferred immediately because they are subject to legal or contractual limits, such as a required holding period or performance conditions. They matter to investors because these locked-up shares can affect a company’s available stock for trading, future dilution, and insider incentives—imagine a gift that can’t be cashed until certain conditions are met, which changes when and how much supply can suddenly enter the market.

tax-withholding disposition financial

"transaction_action": "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

pecuniary interest financial

"disclaims beneficial interest of the reported securities except to the extent of her pecuniary interest therein."

indirect ownership financial

"total_shares_following_transaction": "93424.0000" ... "ownership_type": "indirect""

trustees financial

"The reporting person and her spouse are trustees of the trust that holds the reported securities."

Trustees are people or a small group legally appointed to hold and manage assets, documents, or obligations on behalf of others and must act in those beneficiaries’ best interests. Think of them as a neutral guardian or custodian who enforces rules, protects assets, and makes decisions that can affect payments, corporate governance, or recovery in a default — all of which directly influence investor returns and risk.

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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^*

Moore Mary Ann E

(Last) (First) (Middle)

1301 CONCORD TERRACE

(Street)

SUNRISE FLORIDA 33323

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Pediatrix Medical Group, Inc. [ MD ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, GC, Chief Admin Off & Sec

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

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	06/01/2026		F(1)		11,944	D	$21.54	96,466	D
Common Stock								93,424	I	By Trust(2)

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. Represents 11,944 restricted shares withheld for payment of taxes upon vesting of shares.

2. The reporting person and her spouse are trustees of the trust that holds the reported securities. The reporting person disclaims beneficial interest of the reported securities except to the extent of her pecuniary interest therein.

	/s/ Mary Ann E. Moore	06/03/2026
	** 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 Pediatrix (MD) report for Mary Ann E. Moore?

Pediatrix reported that EVP Mary Ann E. Moore had 11,944 common shares withheld to pay taxes upon the vesting of restricted stock. This is classified as a tax-withholding disposition, not an open-market sale or purchase of shares.

Was the Pediatrix (MD) insider transaction an open-market sale or a tax event?

The transaction was a tax event, not an open-market sale. 11,944 restricted shares were withheld at $21.54 per share to satisfy tax obligations triggered by restricted stock vesting, as described in the filing footnotes.

How many Pediatrix (MD) shares does Mary Ann E. Moore hold after the transaction?

Following the tax-withholding disposition, Mary Ann E. Moore directly holds 96,466 shares of Pediatrix common stock. In addition, a trust associated with her and her spouse indirectly holds 93,424 shares, in which she has only a pecuniary interest.

What role does the trust play in Mary Ann E. Moore’s Pediatrix (MD) holdings?

A trust, where Moore and her spouse are trustees, holds 93,424 Pediatrix common shares indirectly. She disclaims beneficial interest in these shares except to the extent of her pecuniary interest, according to the filing’s footnote disclosure.

How is the Form 4 Pediatrix (MD) transaction coded and what does it mean?

The Form 4 transaction is coded F, meaning shares were used to pay taxes or an exercise price. Here, 11,944 restricted shares were withheld specifically for tax payment upon vesting, rather than sold in the open market.