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[8-K] Clearside Biomedical, Inc. Reports Material Event

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
8-K
Rhea-AI Filing Summary

Clearside Biomedical, Inc. (CLSD) amended its charter to implement a one-for-fifteen reverse stock split of its common stock and to reduce authorized common shares from 400,000,000 to 26,666,666. The amendment will become effective at 5:00 p.m. Eastern Time on September 12, 2025. Stockholders approved a series of alternate amendments at a Special Meeting on August 29, 2025, and the board selected the specific 1-for-15 split and corresponding authorized share reduction on September 4, 2025. The filing reports these charter changes only; no additional operational, financial, or forward-looking information is provided.

Positive
  • One-for-fifteen reverse stock split formally authorized and documented
  • Authorized common shares reduced from 400,000,000 to 26,666,666 via charter amendment
  • Shareholder approval obtained for alternate amendments prior to board selection of the final split ratio
Negative
  • None.

Insights

TL;DR The company legally consolidated its shares and cut authorized share capacity, a corporate-structure change requiring charter amendment and shareholder approval.

The amendment implements a one-for-fifteen reverse split and a proportional reduction in authorized common shares to align chartered capacity with the post-split share count. Shareholder approval for alternate amendments was obtained prior to the board selecting the specific split ratio and authorized-share reduction. These are charter-level actions that affect share count mechanics and corporate housekeeping; the filing does not include details on effects to outstanding option conversions, equity awards, or trading mechanics.

TL;DR A 1-for-15 reverse split and large authorized-share reduction were approved and scheduled to take effect on a set date and time.

The filing documents the legal steps taken: stockholder approval of alternate amendments, board selection of the 1-for-15 split, and filing of the Certificate of Amendment effective at a specified time. The disclosure is limited to the corporate action and does not provide market, financial, or shareholder-impact metrics such as post-split share count outstanding, treatment of fractional shares, or impacts on listed share price or trading. Additional operational or financial context is not included in this filing.

0001539029--12-31false00015390292025-09-102025-09-10

 

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

 

FORM 8-K

 

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 10, 2025

 

 

Clearside Biomedical, Inc.

(Exact name of Registrant as Specified in Its Charter)

 

 

Delaware

001-37783

45-2437375

(State or Other Jurisdiction
of Incorporation)

(Commission File Number)

(IRS Employer
Identification No.)

 

 

 

 

 

900 North Point Parkway

Suite 200

 

Alpharetta, Georgia

 

30005

(Address of Principal Executive Offices)

 

(Zip Code)

 

Registrant’s Telephone Number, Including Area Code: (678) 270-3631

 

 

(Former Name or Former Address, if Changed Since Last Report)

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class

 

Trading
Symbol(s)

 


Name of each exchange on which registered

Common Stock, par value $0.001 per share

 

CLSD

 

The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

 


Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

On September 10, 2025, Clearside Biomedical, Inc. (the “Company”) filed a Certificate of Amendment to its Amended and Restated Certificate of Incorporation (the “Amendment”) with the Secretary of State of the State of Delaware to effect a one-for-fifteen (1-for-15) reverse stock split (the “Reverse Stock Split”) of its outstanding common stock and a reduction in the total number of authorized shares of its common stock from 400,000,000 to 26,666,666 (the “Shares Reduction”). The Amendment will be effective at 5:00 p.m. Eastern Time on September 12, 2025. A series of alternate amendments to effect (i) a reverse stock split and (ii) a reduction in the total number of authorized shares of the Company’s common stock was approved by the Company’s stockholders at the Company’s Special Meeting of Stockholders held on August 29, 2025, and the specific one-for-fifteen (1-for-15) Reverse Stock Split and corresponding Shares Reduction was subsequently approved by the Company’s board of directors on September 4, 2025.

The Amendment provides that, at the effective time of the Amendment, every fifteen (15) shares of the Company’s issued and outstanding common stock will automatically be combined into one (1) issued and outstanding share of common stock and the authorized shares of the Company’s common stock will be reduced from 400,000,000 to 26,666,666, without any change in par value per share. The Reverse Stock Split will affect all shares of the Company’s common stock outstanding immediately prior to the effective time of the Amendment. As a result of the Reverse Stock Split, proportionate adjustments will be made to the per share exercise price and/or the number of shares issuable upon the exercise or vesting of all stock options issued by the Company and outstanding immediately prior to the effective time of the Amendment, which will result in a proportionate decrease in the number of shares of the Company’s common stock reserved for issuance upon exercise or vesting of such stock options and a proportionate increase in the exercise price of all such stock options. In addition, all outstanding restricted stock unit awards and warrants will be proportionately adjusted, and the number of shares reserved for issuance under the Company’s equity compensation plans immediately prior to the effective time of the Amendment will be reduced proportionately.

No fractional shares will be issued as a result of the Reverse Stock Split. Stockholders of record who would otherwise be entitled to receive a fractional share will receive a cash payment in lieu thereof. The Reverse Stock Split will affect all stockholders proportionately and will not affect any stockholder’s percentage ownership of the Company’s common stock (except to the extent that the Reverse Stock Split results in any stockholder owning only a fractional share).

The Company’s common stock will begin trading on The Nasdaq Capital Market on a split-adjusted basis when the market opens on September 15, 2025. The new CUSIP number for the Company’s common stock following the Reverse Stock Split is 185063203.

The foregoing description is qualified in its entirety by the Amendment, which is filed as Exhibit 3.1 to this Current Report on Form 8-K and is incorporated herein by reference

 

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit Number

Description

3.1

Certificate of Amendment to Amended and Restated Certificate of Incorporation of the Registrant.

104

Cover Page Interactive Data File (embedded with the Inline XBRL document)

 


SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: September 11, 2025

CLEARSIDE BIOMEDICAL, INC.

By:

 /s/ Charles A. Deignan

Name:

Charles A. Deignan

Title:

Chief Financial Officer

 


FAQ

What corporate action did Clearside Biomedical (CLSD) announce?

The company announced a one-for-fifteen reverse stock split and a reduction in authorized common shares to 26,666,666.

When does the CLSD reverse stock split become effective?

The Certificate of Amendment becomes effective at 5:00 p.m. Eastern Time on September 12, 2025.

Did shareholders approve the reverse split for CLSD?

Yes, shareholders approved a series of alternate amendments at a Special Meeting on August 29, 2025, and the board approved the specific 1-for-15 ratio on September 4, 2025.

How many authorized shares did CLSD have before the amendment?

Before the amendment, the company had 400,000,000 authorized shares of common stock.

Does the filing include details on fractional shares or treatment of equity awards?

No. The filing only states the charter amendment and effective timing; it does not describe fractional-share treatment, option adjustments, or effects on outstanding awards.
Clearside Biomed

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Biotechnology
Pharmaceutical Preparations
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United States
ALPHARETTA