Clene director receives 5,159 stock options at $6.81

Clene Inc. director David J. Matlin reported receiving two stock option awards on May 21, 2026, totaling 5,159 options for common stock at an exercise price of $6.81 per share.

Rhea-AI Filing Summary

Clene Inc. director David J. Matlin reported receiving two stock option awards on May 21, 2026, totaling 5,159 options for common stock at an exercise price of $6.81 per share. One grant for 3,659 options vests immediately, while a 1,500-option grant vests in 12 equal monthly installments beginning on June 21, 2026. Both option awards expire on May 20, 2036 and represent equity compensation, with no open-market share purchases or sales reported.

Insider Trade Summary

Grant/Award: 5,159 shares

Grant/Award 2 txns

Insider MATLIN DAVID J

Role Director

Type	Security	Shares	Price	Value
Grant/Award	stock option	1,500	$0.00	$0.00
Grant/Award	stock option	3,659	$0.00	$0.00

Holdings After Transaction: stock option — 5,159 contracts (Direct)

Footnotes (2)

1. F1. This option was granted on May 21, 2026 as an option for 1,500 shares of Common Stock under the Clene Inc. Amended 2020 Stock Plan at an exercise price of $6.81 per share. The options vest in 12 equal monthly installments on the 21st day of each calendar month, beginning June 21, 2026, until such shares are fully vested.
2. F2. This option was granted on May 21, 2026 as an option for 3,659 shares of Common Stock under the Clene Inc. Amended 2020 Stock Plan at an exercise price of $6.81 per share. The options vest immediately upon grant.

Key Figures

Option grant (immediate vesting): 3,659 options at $6.81/share Option grant (monthly vesting): 1,500 options at $6.81/share Total options granted: 5,159 options +3 more

6 metrics

Option grant (immediate vesting) 3,659 options at $6.81/share Granted May 21, 2026; vests immediately; expires May 20, 2036

Option grant (monthly vesting) 1,500 options at $6.81/share Granted May 21, 2026; vests in 12 monthly installments from June 21, 2026

Total options granted 5,159 options Combined derivative awards to director on May 21, 2026

Option expiration date May 20, 2036 Expiration for both stock option grants

Shares underlying immediate-vest grant 3,659 shares Underlying Clene common stock for F2 footnoted grant

Shares underlying monthly-vest grant 1,500 shares Underlying Clene common stock for F1 footnoted grant

Key Terms

stock option, exercise price, Amended 2020 Stock Plan, vest, +1 more

5 terms

stock option financial

"This option was granted on May 21, 2026 as an option for 1,500 shares of Common Stock under the Clene Inc. Amended 2020 Stock Plan"

A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.

exercise price financial

"under the Clene Inc. Amended 2020 Stock Plan at an exercise price of $6.81 per share"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

Amended 2020 Stock Plan financial

"shares of Common Stock under the Clene Inc. Amended 2020 Stock Plan at an exercise price of $6.81 per share"

vest financial

"The options vest in 12 equal monthly installments on the 21st day of each calendar month, beginning June 21, 2026, until such shares are fully vested."

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

expiration date financial

""expiration_date": "2036-05-20T00:00:00.000Z""

The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.

FAQ

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

What insider transaction did Clene Inc. (CLNN) report for David J. Matlin?

Clene Inc. director David J. Matlin received two stock option grants totaling 5,159 options. These awards give him the right to purchase Clene common stock at a fixed exercise price, representing equity-based compensation rather than an open-market share purchase or sale.

How many stock options did David J. Matlin receive from Clene Inc. (CLNN)?

David J. Matlin received 5,159 stock options in total. One grant covers 3,659 options that vest immediately, and the other covers 1,500 options that vest monthly. Both grants relate to Clene Inc. common stock under the company’s Amended 2020 Stock Plan.

What is the exercise price of David J. Matlin’s Clene Inc. (CLNN) options?

The exercise price for David J. Matlin’s stock options is $6.81 per share. This means he can purchase Clene Inc. common stock at $6.81 regardless of future market price, subject to the vesting schedule and the options’ expiration date.

When do David J. Matlin’s new Clene Inc. (CLNN) stock options vest?

One option grant for 3,659 shares vests immediately on the grant date. The second grant for 1,500 shares vests in 12 equal monthly installments on the 21st of each month, starting June 21, 2026, until all shares are fully vested under the plan.

When do David J. Matlin’s Clene Inc. (CLNN) stock options expire?

Both stock option grants to David J. Matlin expire on May 20, 2036. After that expiration date, any unexercised options become worthless. The long-dated term gives him a multi-year window to decide when, or whether, to exercise his vested options.

Were there any open-market share purchases or sales by David J. Matlin in this Clene Inc. (CLNN) Form 4?

No open-market purchases or sales were reported. The Form 4 only shows stock option awards classified as grant or award acquisitions. These derivative awards are compensation-based and do not reflect immediate buying or selling of Clene Inc. common shares in the market.

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

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Accepted by SEC EDGAR 05/22/2026 - 01:58 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^*

MATLIN DAVID J

(Last) (First) (Middle)

6550 SOUTH MILLROCK DRIVE

SUITE G50

(Street)

SALT LAKE CITY UTAH 84121

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Clene Inc. [ CLNN ]

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/21/2026

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

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
stock option	$6.81	05/21/2026		A		1,500		(1)	05/20/2036	common stock	1,500	$0	1,500	D
stock option	$6.81	05/21/2026		A		3,659		(2)	05/20/2036	common stock	3,659	$0	3,659	D

Explanation of Responses:

1. This option was granted on May 21, 2026 as an option for 1,500 shares of Common Stock under the Clene Inc. Amended 2020 Stock Plan at an exercise price of $6.81 per share. The options vest in 12 equal monthly installments on the 21st day of each calendar month, beginning June 21, 2026, until such shares are fully vested.

2. This option was granted on May 21, 2026 as an option for 3,659 shares of Common Stock under the Clene Inc. Amended 2020 Stock Plan at an exercise price of $6.81 per share. The options vest immediately upon grant.

	/s/ Jerome T. Miraglia POA	05/22/2026
	** 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)