David J. Matlin - 21 May 2026 Form 4 Insider Report for Clene Inc. (CLNN)

Reporting relationship: Director
Issuer ticker: CLNN
Reported as of: 21 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 22 May 2026, 13:58:34 UTC
Prior SEC filing: 15 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Jerome T. Miraglia POA

Key filing fact

David J. Matlin filed Form 4 for Clene Inc. (CLNN) on 22 May 2026.

Key facts

This page summarizes David J. Matlin's Form 4 filing for Clene Inc. (CLNN).
2 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 22 May 2026, 13:58.

Change

Previous filing in this sequence was filed on 15 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001251956 Primary reporting owner

MATLIN DAVID J

Relationship: Director
Address: 6550 SOUTH MILLROCK DRIVE, SUITE G50, SALT LAKE CITY
Signature: /s/ Jerome T. Miraglia POA
Signature date: 22 May 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CLNN transaction Derivative

stock option

Award

Transaction value
Shares: +1,500
Change %
Price: $0.000000^*
Shares after: 1,500
Date: 21 May 2026
Ownership: Direct
Underlying class: common stock
Underlying amount: 1,500
Exercise price: $6.81
Footnotes: F1

CLNN transaction Derivative

stock option

Award

Transaction value
Shares: +3,659
Change %
Price: $0.000000^*
Shares after: 3,659
Date: 21 May 2026
Ownership: Direct
Underlying class: common stock
Underlying amount: 3,659
Exercise price: $6.81
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote 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.

Footnote 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.