PLRX Pliant Therapeutics Inc

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): March 12, 2025

PLIANT THERAPEUTICS, INC.

(Exact name of Registrant as Specified in Its Charter)

Registrant’s Telephone Number, Including Area Code: (650) 481-6770

Not Applicable

(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:

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

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. ☐

The information set forth in Item 3.03 of this Current Report is incorporated into this Item 1.01 by reference.

On March 12, 2025, the board of directors (the “Board”) of Pliant Therapeutics, Inc., a Delaware corporation (the “Company”), adopted a stockholder rights agreement and declared a dividend of one right (a “Right”) for each outstanding share of Company common stock, par value $0.0001 per share (“Common Stock”), to stockholders of record at the close of business on March 25, 2025 (the “Record Date”). Each Right entitles its holder, subject to the terms of the Rights Agreement (as defined below), to purchase from the Company one one-thousandth of a share of Series A Junior Participating Preferred Stock, par value $0.0001 per share (“Preferred Stock”), of the Company at an exercise price of $12.64 per Right, subject to adjustment. The description and terms of the Rights are set forth in a stockholder rights agreement, dated as of March 12, 2025 (the “Rights Agreement”), by and between the Company and Computershare Trust Company, N.A., a federally chartered trust company, as rights agent (and any successor rights agent, the “Rights Agent”). The Board resolved to adopt the Rights Agreement in response to recent accumulations of Common Stock. The Rights Agreement is intended to reduce the likelihood that any entity, person or group is able to gain control of the Company through open market accumulation without paying all stockholders an appropriate control premium or providing the Board sufficient opportunity to make informed judgments and take actions that are in the best interests of the Company and all stockholders. The Rights Agreement is not intended to interfere with any merger or other business combination approved by the Board.

The Rights. The Rights will attach to any shares of Common Stock that become outstanding after the Record Date and prior to the earlier of the Distribution Time (as defined below) and the Expiration Time (as defined below), and in certain other circumstances described in the Rights Agreement.

Until the Distribution Time, the Rights are associated with Common Stock and evidenced by Common Stock certificates or, in the case of uncertificated shares of Common Stock, the book-entry account that evidences record ownership of such shares, which will contain a notation incorporating the Rights Agreement by reference, and the Rights are transferable with and only with the underlying shares of Common Stock.

Until the Distribution Time, the surrender for transfer of any shares of Common Stock will also constitute the transfer of the Rights associated with those shares. As soon as practicable after the Distribution Time, separate rights certificates will be mailed to holders of record of Common Stock as of the Distribution Time. From and after the Distribution Time, the separate rights certificates alone will represent the Rights.

The Rights are not exercisable until the Distribution Time. Until a Right is exercised, its holder will have no rights as a stockholder of the Company, including the right to vote or to receive dividends.

Separation and Distribution of Rights; Exercisability. Subject to certain exceptions, the Rights become exercisable and trade separately from Common Stock only upon the “Distribution Time,” which occurs upon the earlier of:

“Specified Percentage” means 20% (twenty percent) when referring to the beneficial ownership of any person that is a passive investor but only for so long as such person is a passive investor and 10% (ten percent) when referring to the beneficial ownership of any person that is not a passive investor.

An Acquiring Person does not include:

In addition, the Rights Agreement provides that no person or group will become an Acquiring Person as a result of security purchases or issuances directly from the Company or through an underwritten offering approved by the Board. Also, a person or group will not be an Acquiring Person if the Board determines that such person or group has become an Acquiring Person inadvertently and such person or group as promptly as practicable divests a sufficient number of shares so that such person or group would no longer be an Acquiring Person.

Certain synthetic interests in securities created by derivative positions, whether or not such interests are considered to be ownership of the underlying Common Stock or are reportable for purposes of Regulation 13D of the Securities Exchange Act of 1934, as amended, are treated as beneficial ownership of the number of shares of Common Stock equivalent to the economic exposure created by the derivative position, to the extent actual shares of Common Stock are directly or indirectly held by counterparties to the derivatives contracts.

Expiration Time. The Rights will expire on the earliest to occur of (a) the close of business on March 11, 2026 (the “Final Expiration Time”), (b) the time at which the Rights are redeemed or exchanged by the Company (as described below), (c) the time at which the Rights are exchanged in accordance with the Rights Agreement, or (d) upon the closing of any merger or other acquisition transaction involving the Company pursuant to a merger or other acquisition agreement that has been approved by the Board before any person or group becomes an Acquiring Person (the earliest of (a), (b), (c) or (d) being herein referred to as the “Expiration Time”).

Flip-in Event. In the event that any person or group (other than certain exempt persons) becomes an Acquiring Person (a “Flip-in Event”), each holder of a Right (other than such Acquiring Person, any of its affiliates or associates or certain transferees of such Acquiring Person or of any such affiliate or associate, whose Rights automatically become null and void) will have the right to receive, upon exercise, Common Stock having a value equal to two times the exercise price of the Right.

Flip-over Event. In the event that, at any time following the Stock Acquisition Date, any of the following occurs (each, a “Flip-over Event”):

each holder of a Right (except Rights which previously have been voided as described above) will have the right to receive, upon exercise, common stock of the acquiring company having a value equal to two times the exercise price of the Right.

Preferred Stock Provisions. Each share of Preferred Stock, if issued: will not be redeemable, will entitle the holder thereof, when, as and if declared, to quarterly dividend payments equal to the greater of $1,000 per share and 1,000 times the amount of all cash dividends plus 1,000 times the amount of non-cash dividends or other distributions paid on one share of Common Stock, will entitle the holder thereof to receive $1,000 plus accrued and unpaid dividends per share upon liquidation, will have the same voting power as 1,000 shares of Common Stock and, if shares of Common Stock are exchanged via merger, consolidation or a similar transaction, will entitle the holder thereof to a per share payment equal to the payment made on 1,000 shares of Common Stock.

Anti-dilution Adjustments. The exercise price payable, and the number of shares of Preferred Stock or other securities or property issuable, upon exercise of the Rights are subject to adjustment from time to time to prevent dilution:

With certain exceptions, no adjustment in the exercise price will be required until cumulative adjustments amount to at least one percent (1%) of the exercise price. No fractional shares of Preferred Stock will be issued and, in lieu thereof, an adjustment in cash will be made based on the market price of the Preferred Stock on the last trading day prior to the date of exercise.

Redemption; Exchange. At any time prior to the earlier of (i) such time as any person becomes an Acquiring Person or (ii) the Final Expiration Time, the Company may redeem the Rights in whole, but not in part, at a price of $0.001 per Right (subject to adjustment and payable in cash, Common Stock or other consideration deemed appropriate by the Board). Immediately upon the action of the Board authorizing any redemption or at a later time as the Board may establish for the effectiveness of the redemption, the Rights will terminate and the only right of the holders of Rights will be to receive the redemption price.

At any time before any Acquiring Person, together with all of its affiliates and associates, becomes the beneficial owner of fifty percent (50%) or more of the outstanding shares of Common Stock, the Company may exchange the Rights (other than Rights owned by the Acquiring Person, any of its affiliates or associates or certain transferees of Acquiring Person or of any such affiliate or associate, whose Rights will have become null and void), in whole or in part, at an exchange ratio of one share of Common Stock, or one one-thousandth of a share of Preferred Stock (or of a share of a class or series of the Company’s preferred stock having equivalent rights, preferences and privileges), per Right (subject to adjustment).

Amendment of the Rights Agreement. The Company and the Rights Agent may from time to time amend or supplement the Rights Agreement without the consent of the holders of the Rights. However, on or after the Stock Acquisition Date, no amendment can materially adversely affect the interests of the holders of the Rights (other than the Acquiring Person, any of its affiliates or associates or certain transferees of Acquiring Person or of any such affiliate or associate ).

Miscellaneous. While the distribution of the Rights will not be taxable to stockholders or to the Company, stockholders may, depending upon the circumstances, recognize taxable income in the event that the Rights become exercisable for Common Stock (or other consideration) or for common stock of the acquiring company or in the event of the redemption of the Rights as described above.

* * * * *

This description of the Rights does not purport to be complete and is qualified in its entirety by reference to the Rights Agreement, which is filed as Exhibit 4.1 to this Current Report and is incorporated herein by reference.

In connection with the adoption of the Rights Agreement described in Item 3.03 of this Current Report, the Board approved a Certificate of Designation of Series A Junior Participating Preferred Stock, which designates the rights, preferences and privileges of 300,000 shares of a series of the Company’s preferred stock, par value $0.0001 per share, designated as Series A Junior Participating Preferred Stock. The information set forth in Item 3.03 of this Current Report is incorporated into this Item 5.03 by reference.

The Certificate of Designation will be filed with the Delaware Secretary of State and is expected to be become effective on March 13, 2025. A copy of the Certificate of Designation has been filed as Exhibit 3.1 to this Current Report and is incorporated herein by reference.

On March 13, 2025, the Company issued a press release announcing the adoption of the Rights Agreement. A copy of that press release is furnished as Exhibit 99.1 to this Current Report and incorporated herein by reference.

(d) Exhibits:

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.