OUSTER INC

Ticker: OUSTZ CUSIP: 68989M111 Class: *W EXP 03/11/202

B. Riley Wealth Advisors, Inc.'s Holding History (CIK: 0001464811)

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

Q1 2023
Shares 38,000 Value ($000) $4 Avg Close — Range —
Q4 2022
Shares 48,000 Value ($000) $5 Avg Close — Range —