SOLID POWER INC

Ticker: SLDP CUSIP: 83422N105 Class: Common Stock

Fortitude Family Office, LLC's Holding History (CIK: 0001950506)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 219 Value ($000) $1 Avg Close $5.52 Range $3.42 - $8.86

Q3 2025

Shares 219 Value ($000) $1 Avg Close $3.77 Range $2.05 - $5.62

Q3 2024

Shares 4,422 Value ($000) $6 Avg Close $1.58 Range $1.18 - $2.35

Q2 2024

Shares 1,237 Value ($000) $2 Avg Close $1.73 Range $1.48 - $2.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	219	$1	$5.52	$3.42 - $8.86
Q3 2025	219	$1	$3.77	$2.05 - $5.62
Q3 2024	4,422	$6	$1.58	$1.18 - $2.35
Q2 2024	1,237	$2	$1.73	$1.48 - $2.11