Erik J. Anderson - Oct 1, 2024 Form 4 Insider Report for Solid Power, Inc. (SLDP)

Role: Director
Signature: /s/ Erik J. Anderson
Stock symbol: SLDP
Transactions as of: Oct 1, 2024
Transactions value $: -$644,093
Form type: 4
Date filed: 12/2/2024, 05:29 PM
Previous filing: Sep 19, 2024
Next filing: Nov 13, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SLDP	Common Stock	Sale	-$644K	-506K	-72.96%	$1.27	188K	Oct 1, 2024	By WestRiver Management, LLC	F1, F2
holding	SLDP	Common Stock						142K	Oct 1, 2024	Direct

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

Explanation of Responses:

Id	Content
F1	The shares were sold by WRG INV41, LLC ("WRG INV41"), of which WestRiver Management, LLC ("WestRiver Management") is the sole managing member. 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 WRG INV41. The reporting person disclaims beneficial ownership of the shares sold by WRG INV41 except to the extent of such reporting person's pecuniary interest therein.
F2	Represents 187,617 shares owned directly by WestRiver Management, of which the reporting person is the sole member and sole manager.

Content

The shares were sold by WRG INV41, LLC ("WRG INV41"), of which WestRiver Management, LLC ("WestRiver Management") is the sole managing member. 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 WRG INV41. The reporting person disclaims beneficial ownership of the shares sold by WRG INV41 except to the extent of such reporting person's pecuniary interest therein.

Represents 187,617 shares owned directly by WestRiver Management, of which the reporting person is the sole member and sole manager.