Steven H. Goldberg - 20 May 2026 Form 4/A - Amendment Insider Report for Solid Power, Inc. (SLDP)

Reporting relationship: Director
Issuer ticker: SLDP
Reported as of: 20 May 2026
Net transaction value: $0
SEC form: 4/A - Amendment
Accepted by SEC: 21 May 2026, 20:11:36 UTC
Original report date: 21 May 2026
Prior SEC filing: 28 May 2025
Source filing: View source filing
Reporting owner signature: /s/ Kristen Gould, attorney-in-fact on behalf of Steven H. Goldberg

Key filing fact

Steven H. Goldberg filed Form 4/A - Amendment for Solid Power, Inc. (SLDP) on 21 May 2026.

Key facts

This page summarizes Steven H. Goldberg's Form 4/A - Amendment filing for Solid Power, Inc. (SLDP).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 21 May 2026, 20:11.

Change

Previous filing in this sequence was filed on 28 May 2025.
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/A - Amendment disclosures.

View source filing

Reporting Owners (1)

CIK 0001879989 Primary reporting owner

Goldberg Steven H

Relationship: Director
Address: C/O SOLID POWER, INC., 486 S PIERCE AVE., SUITE E, LOUISVILLE
Signature: /s/ Kristen Gould, attorney-in-fact on behalf of Steven H. Goldberg
Signature date: 21 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SLDP transaction

Common Stock

Award

Transaction value
Shares: +44,133
Change %: +37%
Price: $0.000000^*
Shares after: 162,941
Date: 20 May 2026
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The stock units vest upon the earlier of: (i) the first anniversary of the grant date or (ii) the day before the issuer's next annual meeting of stockholders following the grant date, in each case, subject to the reporting person continuing to be a service provider (as defined in the Solid Power, Inc. 2021 Equity Incentive Plan) through such vesting date. The reporting person has elected to defer settlement pursuant to the Solid Power, Inc. Directors' Deferred Equity Compensation Plan.

SEC remarks

This amendment is being filed to clarify that the reporting person received stock units pursuant to the Solid Power, Inc. Directors' Deferred Equity Compensation Plan.