Sarah B. Noonberg - May 16, 2023 Form 4 Insider Report for MARINUS PHARMACEUTICALS, INC. (MRNS)

Role: Director
Signature: /s/ Debra A. Mohollen, Attorney-in-Fact
Stock symbol: MRNS
Transactions as of: May 16, 2023
Transactions value $: $0
Form type: 4
Date filed: 5/17/2023, 09:08 PM
Previous filing: Jan 18, 2023
Next filing: Jun 9, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MRNS	Common Stock	Award	$0	+7.2K		$0.00	7.2K	May 16, 2023	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	MRNS	Stock Option (Right to Buy)	Award	$0	+32.4K		$0.00	32.4K	May 16, 2023	Common Stock	32.4K	$8.51	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Represents the grant of restricted stock units (RSUs). The RSUs will vest in three equal annual installments, with the first installment vesting on May 16, 2024, the second installment vesting on May 16, 2025 and the third installment vesting on May 16, 2026, subject to the reporting person's continued service with Marinus Pharmaceuticals, Inc. (the Issuer). Each RSU represents the right to receive one share of common stock of the Issuer.
F2	The option vests and becomes exercisable in 36 equal monthly installments beginning on June 16, 2023, subject to the reporting person's continued service with the Issuer.

Content

Represents the grant of restricted stock units (RSUs). The RSUs will vest in three equal annual installments, with the first installment vesting on May 16, 2024, the second installment vesting on May 16, 2025 and the third installment vesting on May 16, 2026, subject to the reporting person's continued service with Marinus Pharmaceuticals, Inc. (the Issuer). Each RSU represents the right to receive one share of common stock of the Issuer.

The option vests and becomes exercisable in 36 equal monthly installments beginning on June 16, 2023, subject to the reporting person's continued service with the Issuer.