UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 BIOLASE, INC. (Exact name of registrant as specified in its charter) FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 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: 001-36385 Delaware 87-0442441 (State or other jurisdiction of incorporatio ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 BIOLASE, INC. (Exact name of registrant as specified in its charter) FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 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: 001-36385 Delaware 87-0442441 (State or other jurisdiction of incorporati ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 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 001-36385 BIOLASE, INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 87-0442441 (State or Other Jurisdiction of Incorpor ...

BIOLASE, Inc. (OTCQB:BIOL) Q4 2018 Earnings Conference Call March 5, 2019 4:30 PM ET Company Participants Todd Kehrli - Investor Relations, EVC Group Todd Norbe - President & Chief Executive Officer John Beaver - Executive Vice President & Chief Financial Officer Conference Call Participants Ed Woo - Ascendiant Capital Lisa Springer - Singular Research Brooks O’Neil - Lake Street Capital Markets Operator Good afternoon, ladies and gentlemen, and welcome to the Fourth Quarter and Full Year 2018 BIOLASE Earni ...