(Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39463 _______________________ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q _______________________ Ouster, Inc. (Exact name of registrant as specified in its charter) _ ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q _______________________ (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Exact name of registrant as specified in its charter) _______________________ (State or other jurisdiction of incorporation) Delaware 86-2528989 (I.R.S. Employer Ide ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q _______________________ (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39463 _______________________ Ouster, Inc. (Exact name of registrant as specified in its charter) _____ ...

Table of Contents Cayman Islands N/A (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification Number) 1400 Centrepark Blvd, Ste 810 West Palm Beach, Florida 33401 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (561) 712-7860 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Securities registered pursuant to Section 12(b) of the Act: WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) West Palm Beach, FL 33401 (Address of Principal Executive Offices, including zip code) (561) 712-7860 ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 COLONNADE ACQUISITION CORP. For the quarterly period ended September 30, 2020 (Exact name of registrant as specified in its charter) ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Cay ...