Erik J. Anderson - May 22, 2024 Form 4 Insider Report for Solid Power, Inc. (SLDP)

Role: Director
Signature: /s/ Erik J. Anderson
Stock symbol: SLDP
Transactions as of: May 22, 2024
Transactions value $: $0
Form type: 4
Date filed: 5/23/2024, 07:28 PM
Previous filing: May 14, 2024
Next filing: May 31, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SLDP	Common Stock	Award	$0	+82.4K	+139.14%	$0.00	142K	May 22, 2024	Direct	F1
holding	SLDP	Common Stock						694K	May 22, 2024	By WestRiver Management, LLC and affiliates	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents restricted stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The restricted 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.
F2	Represents 187,617 shares owned directly by WestRiver Management, LLC ("WestRiver Management") and 506,283 shares owned directly by WRG INV41, LLC ("WRG INV41"). WestRiver Management is the sole managing member of WRG INV41. The reporting person is the sole member and sole manager of WestRiver Management. As a result, the reporting person may be deemed to beneficially own the securities held of record by WestRiver Management and WRG INV41. The reporting person disclaims beneficial ownership of the securities reported herein, except to the extent of such reporting person's pecuniary interest therein.

Content

Represents restricted stock units, which upon vesting of the unit, represent the right to receive one share of the issuer's common stock. The restricted 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.

Represents 187,617 shares owned directly by WestRiver Management, LLC ("WestRiver Management") and 506,283 shares owned directly by WRG INV41, LLC ("WRG INV41"). WestRiver Management is the sole managing member of WRG INV41. The reporting person is the sole member and sole manager of WestRiver Management. As a result, the reporting person may be deemed to beneficially own the securities held of record by WestRiver Management and WRG INV41. The reporting person disclaims beneficial ownership of the securities reported herein, except to the extent of such reporting person's pecuniary interest therein.