Name : Ouster, Inc
Current / Former Name: Colonnade Acquisition Corp. II (Predecessor)
Address: 350 Treat Avenue, San Francisco, CA 94110
Phone Number: (415) 949-0108
Investor Relations Contact: investors@ouster.io
Website - https://www.ouster.com
Warrant Details
Warrant Symbol: OUSTZ / OUST.WS
Warrants Listed: 11,500,000
Ratio: 1-for-1 (Adjusted post-reverse split)
Cusip Number: 68989M 11 1
ISIN Number: US68989M1111
Parent Stock Symbol: OUST (NASDAQ)
Underlying Stock Cusip: 68989M 20 2
Expiry Date - March 11, 2026
Exercise Price: $11.50 USD
Synopsis & Listing Information
Ouster, Inc. develops high-resolution digital lidar sensors for the automotive, industrial, robotics, and smart infrastructure industries.
Listing History: The company went public via a SPAC merger with Colonnade Acquisition Corp. II. The public warrants originally traded on the NYSE under the symbol OUST.WS. On December 23, 2024, Ouster transferred its market tier and listings to the NASDAQ. Following this transfer, the public warrants expiring in 2026 transitioned to trade under the symbol OUSTZ on the NASDAQ Capital Market.
Business Combination: The business combination between Colonnade Acquisition Corp. II and Ouster, Inc. closed on March 11, 2021. The post-merger entity retained the name Ouster, Inc.
Ticker Change: The ticker moved from OUST.WS on the NYSE to OUSTZ on the NASDAQ in December 2024.
Reverse Split Adjustment: On April 20, 2023, Ouster executed a 1-for-10 reverse stock split. Because the structural terms adjusted proportionally for both the parent stock and the operational rules of the warrant agreement, a whole warrant continues to exercise into one unit of post-split common stock at a normalized $11.50 strike price.
Current Status: As of mid-2026, the OUSTZ warrants have reached their definitive operational window and expired out-of-the-money on March 11, 2026, subsequently wrapping up their public exchange quotes.
Current / Former Name: Colonnade Acquisition Corp. II (Predecessor)
Address: 350 Treat Avenue, San Francisco, CA 94110
Phone Number: (415) 949-0108
Investor Relations Contact: investors@ouster.io
Website - https://www.ouster.com
Warrant Details
Warrant Symbol: OUSTZ / OUST.WS
Warrants Listed: 11,500,000
Ratio: 1-for-1 (Adjusted post-reverse split)
Cusip Number: 68989M 11 1
ISIN Number: US68989M1111
Parent Stock Symbol: OUST (NASDAQ)
Underlying Stock Cusip: 68989M 20 2
Expiry Date - March 11, 2026
Exercise Price: $11.50 USD
Synopsis & Listing Information
Ouster, Inc. develops high-resolution digital lidar sensors for the automotive, industrial, robotics, and smart infrastructure industries.
Listing History: The company went public via a SPAC merger with Colonnade Acquisition Corp. II. The public warrants originally traded on the NYSE under the symbol OUST.WS. On December 23, 2024, Ouster transferred its market tier and listings to the NASDAQ. Following this transfer, the public warrants expiring in 2026 transitioned to trade under the symbol OUSTZ on the NASDAQ Capital Market.
Business Combination: The business combination between Colonnade Acquisition Corp. II and Ouster, Inc. closed on March 11, 2021. The post-merger entity retained the name Ouster, Inc.
Ticker Change: The ticker moved from OUST.WS on the NYSE to OUSTZ on the NASDAQ in December 2024.
Reverse Split Adjustment: On April 20, 2023, Ouster executed a 1-for-10 reverse stock split. Because the structural terms adjusted proportionally for both the parent stock and the operational rules of the warrant agreement, a whole warrant continues to exercise into one unit of post-split common stock at a normalized $11.50 strike price.
Current Status: As of mid-2026, the OUSTZ warrants have reached their definitive operational window and expired out-of-the-money on March 11, 2026, subsequently wrapping up their public exchange quotes.
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