David Jeffrey Katz - 10 Dec 2025 Form 4 Insider Report for RadNet, Inc. (RDNT)

Role: EVP and Chief Legal Officer
Signature: /s/ Jose Gamez, Attorney-in-Fact
Issuer symbol: RDNT
Transactions as of: 10 Dec 2025
Transactions value $: $99,978
Form type: 4
Filing time: 12 Dec 2025, 16:15:08 UTC
Previous filing: 17 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Katz David Jeffrey	EVP and Chief Legal Officer	C/O RADNET, INC., 1510 COTNER AVE., LOS ANGELES	/s/ Jose Gamez, Attorney-in-Fact	12 Dec 2025	0001803966

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RDNT	Common Stock	Options Exercise	$100K	+3.4K	+4.98%	$29.44	71.6K	10 Dec 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	RDNT	Employee Stock Option (right to buy)	Options Exercise	$0	-3.4K	-17.92%	$0.00	15.6K	10 Dec 2025	Common Stock	3.4K	$29.44	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Exercise of previously granted option.
F2	On January 4, 2022, the reporting person was granted a stock option to purchase up to 29,140 shares of common stock of RadNet, Inc., subject to time-based vesting. Subject to the reporting person's continued service, the stock option vested as to one-third on January 4, 2022 and vested with respect to the remaining two-thirds of the shares in three equal installments on January 3, 2023, January 3, 2024, and January 3, 2025.

Content

Exercise of previously granted option.

On January 4, 2022, the reporting person was granted a stock option to purchase up to 29,140 shares of common stock of RadNet, Inc., subject to time-based vesting. Subject to the reporting person's continued service, the stock option vested as to one-third on January 4, 2022 and vested with respect to the remaining two-thirds of the shares in three equal installments on January 3, 2023, January 3, 2024, and January 3, 2025.