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): ~~February~~March 245, 2026

Solid Power, Inc.

(Exact Name of Registrant as Specified in Charter)

Delaware		001-40284		86-1888095
(State or other jurisdiction of incorporation)		(Commission File Number)		(I.R.S. Employer Identification Number)

486 S. Pierce Avenue, Suite E

Louisville, Colorado

80027

(Address of principal executive offices)

(Zip code)

(303) 219-0720

(Registrant’s telephone number, including area code)

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:

¨	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 $0.0001 per share	SLDP	The Nasdaq Stock Market LLC
Warrants, each whole warrant exercisable for one share of common stock at an exercise price of $11.50	SLDPW	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) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2).

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 21.0201 ~~Results~~Entry ofinto ~~Operations~~a ~~and~~Material ~~Financial~~Definitive ~~Condition~~Agreement.

On ~~February 24~~March 5, 2026, Solid Power Operating, Inc., a wholly owned subsidiary of Solid Power, Inc. (collectively, the “Company,” “Solid Power,” “we,” or “our”), ~~issued~~and athe ~~press~~United ~~release~~States Department of Energy (the “DOE”) entered ~~announcing~~into ~~its~~an ~~financial~~amended and ~~operational~~restated ~~results~~Assistance ~~for~~Agreement (the ~~fourth~~“Amended ~~quarter~~Agreement”), ~~and~~with ~~full~~an ~~year~~effective ~~ended~~date ~~December 31~~of January 1, ~~2025~~2026. AThe ~~copy~~Company ofand the ~~press~~DOE previously entered ~~release~~into isan ~~furnished~~Assistance Agreement, with ~~this~~an ~~report~~effective date of January 1, 2025 (as ~~Exhibit 99~~amended effective May 15, 2025, the “Assistance Agreement”).1 The Amended Agreement amended and restated the Assistance Agreement and modified certain terms and conditions applicable to the award.

~~Such~~The ~~exhibit~~foregoing ~~and~~description of the ~~information set~~Amended ~~forth~~Agreement ~~therein~~does ~~will~~ not bepurport ~~deemed~~ to be ~~filed~~complete ~~for~~and ~~purposes~~is ofqualified ~~Section 18~~in ofits ~~the~~entirety ~~Securities~~by ~~Exchange~~reference ~~Act~~to ofthe ~~1934,~~full astext ~~amended~~of (the ~~“Exchange~~ ~~Act”)~~agreement, a orcopy ~~otherwise be subject to the liabilities~~ of ~~that~~which ~~section,~~is ~~nor~~filed ~~will~~as itExhibit be10.1 ~~deemed~~ to bethis ~~incorporated~~Current byReport ~~reference in~~on ~~any~~Form ~~filing~~8-K ~~under~~and ~~the~~incorporated ~~Securities~~herein ~~Act~~by ~~of 1933, as amended (the “Securities Act”), or the Exchange Act~~reference.

Item 7.01

Regulation FD Disclosure.

On March 6, 2026, the Company published a PowerPoint presentation (the “Company Overview”) on its website at https://www.solidpowerbattery.com/investor-relations/events-and-presentations. The Company intends to use the Company Overview in investor and analyst presentations. A copy of the Company Overview is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

Exhibit 99.1 to this Current Report on Form 8-K and the information set forth therein, and the information disclosed under this Item 7.01, is being furnished and will not be deemed to be filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise be subject to the liabilities of that section, nor will it be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act.

Forward Looking Statements

All statements other than statements of present or historical fact contained herein or in Exhibit 99.1 to this Current Report on Form 8-K are “forward-looking statements” within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act, including Solid Power’s or or its management team’s expectations, objectives, beliefs, intentions or strategies regarding the future. When used herein ~~or in Exhibit 99.1 to this Current Report on Form 8-K~~, the words “could,” “should,” “will,” “may,” “believe,” “anticipate,” “intend,” “estimate,” “expect,” “project,” “plan,” “outlook,” “seek,” the negative of such terms, and other similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain such identifying words. These statements may include, ~~our~~but ~~financial~~are ~~guidance for~~not ~~2026;~~limited ~~our future financial performance~~to, our strategy, expansion plans, including plans related to the expansion of our electrolyte production capabilities, market opportunity, ~~operations,~~ and ~~operating results~~operations; ~~estimated revenues or losses; projected costs;~~ future prospects; and plans and objectives of management. These forward-looking statements are based on management’s current expectations and assumptions about future events and are based on currently available information as to the outcome and timing of future events. Except as otherwise required by applicable law, Solid Power disclaims any duty to update any forward-looking statements, all of which are expressly ~~qualified~~ qualified by the statements in this section, to reflect events or circumstances after the date hereof. Readers are cautioned not to put undue reliance on forward-looking statements and Solid Power cautions you that these forward-looking statements are subject to numerous risks and uncertainties, most of which are difficult to predict and many of which are beyond the control of Solid Power, including the following factors: (i) risks relating to the uncertainty of the success of our research and development efforts, including our ability to achieve the technological objectives or results that our partners require and our ability to commercialize our technology in advance of competing technologies and our competitors; (ii) risks relating to our status as a research and development stage company with a history of financial losses with an expectation of incurring significant expenses and continuing losses for the foreseeable future, including execution of our business plan and the timing of expected business milestones; (iii) risks relating to the non-exclusive nature of our partnerships, our ability to secure new business relationships, and our ability to manage these relationships; (iv) our ability to negotiate and execute commercial agreements with our partners and customers on commercially reasonable terms; (v) broad market adoption of EVs and other technologies where we are able to deploy our technology, if developed successfully; (vi) our success attracting and retaining our executive officers, key employees, and other qualified personnel; (vii) our ability to protect and maintain our owned and exclusively-licensed ~~intellectual~~ intellectual property, including in jurisdictions outside of the United States; (viii) our ability to secure government contracts and grants, changes in government priorities with respect to our government contracts and grants or government funding reductions or delays, and the availability of government subsidies and economic incentives; (ix) delays in the construction and operation of facilities that ~~meet~~ meet our short-term research and development and long-term electrolyte production requirements; (x) changes in applicable laws or regulations, including tariffs; (xi) risks relating to, and potential liabilities resulting from, our information technology infrastructure and ~~data~~ data security incidents, threats, breaches, or attacks; and (xii) risks relating to other economic, business, or competitive factors in the United States and other jurisdictions, including supply chain interruptions and changes in market conditions, and our ability to ~~manage~~ manage these risks and uncertainties. Additional information concerning these and other factors that may impact the operations and projections discussed herein or in Exhibit 99.1 to this Current Report on Form 8-K can be found in the “Risk Factors” sections of Solid Power’s Annual Report on Form 10-K for the year ended December 31, 2025 ~~(the “Form 10-K”)~~ and other documents filed by Solid Power from time to time with the Securities and Exchange Commission (the “SEC”), all of which are, ~~or will be, in the case of the Form 10-K,~~ available on the SEC’s website at www.sec.gov. These filings identify and address other important risks and uncertainties that could cause actual events and results to differ materially from those contained in the forward-looking statements. Solid Power gives no assurance that it will achieve its expectations.

Item 9.01

Financial Statements and Exhibits.

(d) Exhibits.

See the Exhibit index below, which is incorporated herein by reference.

Exhibit No.		Description
99.1		Solid Power, Inc. Press Release, dated February 24, 2026.
10.1		Assistance Agreement, dated March 5, 2026, between Solid Power Operating, Inc. and the U.S. Department of Energy.
104		Cover Page Interactive Data File (embedded within the XBRL document).
99.1		Company Overview.
104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

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.

Dated: ~~February 24~~March 6, 2026

	SOLID POWER, INC.

	By:	/s/ Linda Heller
		Name: Linda Heller
		Title: Chief Financial Officer, Treasurer, and Secretary

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