Did Solid Power (SLDP) report any disagreement related to Rainer Feurer’s retirement?

Solid Power explicitly stated that Rainer Feurer’s decision to retire and step down from the Board was not the result of any disagreement on matters related to the company’s operations, policies, or practices. This indicates an orderly, non-contentious Board transition rather than a dispute-driven departure.

Solid Power director Rainer Feurer to retire

Solid Power, Inc. disclosed that director Rainer Feurer has notified the company of his intention to retire from the Board of Directors, effective June 30, 2026.

Filing Impact

(Moderate)

Filing Sentiment

(Neutral)How Sentiment works

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

How Sentiment works How the balance works

Form Type

8-K

Rhea-AI Filing Summary

Solid Power, Inc. disclosed that director Rainer Feurer has notified the company of his intention to retire from the Board of Directors, effective June 30, 2026. The company states that Dr. Feurer’s decision is not due to any disagreement regarding operations, policies, or practices.

Solid Power thanks Dr. Feurer for his contributions over the past five years. The report is signed by Linda Heller, Chief Financial Officer, Treasurer, and Secretary.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Key Figures

Retirement effective date: June 30, 2026 Retirement notice date: April 20, 2026

2 metrics

Retirement effective date June 30, 2026 Effective date of Rainer Feurer’s retirement from the Board

Retirement notice date April 20, 2026 Date Rainer Feurer notified Solid Power of his intention to retire

Key Terms

Item 5.02, Emerging growth company, Warrants, exercise price

4 terms

Item 5.02 regulatory

"Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers;"

Emerging growth company regulatory

"405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2). Emerging growth company"

An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.

Warrants financial

"Warrants, each whole warrant exercisable for one share of common stock at an exercise price of $11.50"

Warrants are special documents that give you the right to buy a company's stock at a set price before a certain date. They are often used as a way for companies to attract investors or raise money, and their value can increase if the company's stock price goes up.

exercise price financial

"each whole warrant exercisable for one share of common stock at an exercise price of $11.50"

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.

FAQ

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

What did Solid Power (SLDP) announce regarding its Board of Directors?

Solid Power announced that director Rainer Feurer intends to retire from its Board of Directors, effective June 30, 2026. The company emphasized that his decision is not due to any disagreement about Solid Power’s operations, policies, or practices, and expressed gratitude for his five years of service.

When will Solid Power (SLDP) director Rainer Feurer’s retirement become effective?

Rainer Feurer’s retirement from Solid Power’s Board of Directors will become effective on June 30, 2026. He provided notice of his intention to retire on April 20, 2026, giving the company advance time to manage Board succession and continuity while acknowledging his contributions over the past five years.

Who signed Solid Power’s 8-K reporting Rainer Feurer’s planned retirement?

The 8-K reporting Rainer Feurer’s planned retirement was signed by Linda Heller, Solid Power’s Chief Financial Officer, Treasurer, and Secretary. Her signature indicates the filing was authorized on behalf of the company in accordance with Securities Exchange Act requirements for current reports on Form 8-K.

What is the key regulatory item cited in Solid Power’s 8-K about the director change?

The filing cites Item 5.02, which covers departures and appointments of directors or certain officers and related compensatory arrangements. Solid Power used this item to report Rainer Feurer’s planned retirement from its Board, confirming the change as a governance matter rather than a financial event.

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

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Accepted by SEC EDGAR 04/24/2026 - 04:31 PM EDT

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): April 20, 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 5.02        Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On April 20, 2026, Rainer Feurer provided notice to Solid Power, Inc. (the “Company”) of his intention to retire from the Company’s Board of Directors (the “Board”), effective June 30, 2026. Dr. Feurer’s decision to retire and step down from the Board was not the result of any disagreement on matters relating to the Company’s operations, policies, or practices. The Company is grateful for Dr. Feurer’s valuable contributions to the Board over the past five years and wishes him well.

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: April 24, 2026

	SOLID POWER, INC.

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

Source: View Original Filing on SEC EDGAR

Filing Exhibits & Attachments

4 documents