---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-236981"
form_type: "8-K"
ticker: null
cik: "0000811240"
company_name: "BIOLASE, INC"
filed_at: "2023-09-18T23:59:59+00:00"
generated_at: "2026-06-10T15:37:57.277622+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# BIOLASE closes $4.5M public offering of Series J Preferred and Warrants

## Summary
- Gross proceeds $4.5M from sale of 75,000 units at $60/unit; underwriting discounts and expenses deducted.
- Each unit: one share Series J Preferred (liquidation preference $100, 20% PIK dividend) and one warrant to buy 0.5 preferred at $30.
- Series J Preferred convertible to common at $3.26/share, maturity September 18, 2024.
- Net proceeds will be used for working capital and general corporate purposes.
- Lake Street Capital Markets and Maxim Group acted as joint bookrunners.

## SEC filing metadata
- accession: 0001193125-23-236981
- form_type: 8-K
- cik: 0000811240
- company_name: BIOLASE, INC
- filed_at: 2023-09-18T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 3.03, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/811240/000119312523236981/0001193125-23-236981-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/811240/000119312523236981/d524160d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-236981
- JSON: https://secwatch.observer/filing/0001193125-23-236981.json
- Plain text: https://secwatch.observer/filing/0001193125-23-236981.txt

## Key facts
- Governance Changes
  BIOLASE, INC: Filed Certificate of Designation for Series J Convertible Redeemable Preferred Stock (effective 2023-09-14).
  - Change: charter amendment
  - Effective: 2023-09-14
  source text: On September 14, 2023, the Company filed the Certificate of Designation with the Secretary of State of the State of Delaware to establish the powers, preferences and rights of the shares of the Series J Convertible Preferred Stock and the qualifications, limitations or restrictions thereof.
  evidence_url: https://www.sec.gov/Archives/edgar/data/811240/000119312523236981/0001193125-23-236981-index.htm
- Material Agreements
  BIOLASE, INC entered into Underwriting Agreement with Lake Street Capital Markets, LLC and Maxim Group LLC, as representatives of the several underwriters named therein valued at $60.00 per Unit (effective 2023-09-13).
  - Action: entry
  - Agreement: underwriting
  - Counterparty: Lake Street Capital Markets, LLC and Maxim Group LLC, as representatives of the several underwriters named therein
  - Value: $60.00 per Unit
  - Effective: 2023-09-13
  source text: On September 13, 2023, BIOLASE, Inc. (the “Company”) entered into an underwriting agreement (the “Underwriting Agreement”) with Lake Street Capital Markets, LLC and Maxim Group LLC, as representatives of the several underwriters named therein (the “Underwriters”), pursuant to which the Company agreed to sell to the Underwriters, in a firm commitment underwritten public offering, 75,000 units (each a “Unit” and collectively, the “Units”), with each Unit consisting of (A) one share of the Company’s Series J Convertible Redeemable Preferred Stock, par value $0.001 per share (the “Series J Convertible Preferred Stock”), and (B) one warrant (each, a “Warrant” and collectively, the “Warrants”) to purchase one-half of one (0.50) share of Series J Convertible Preferred Stock, at a price to the public of $60.00 per Unit, less underwriting discounts and commissions.
  evidence_url: https://www.sec.gov/Archives/edgar/data/811240/000119312523236981/0001193125-23-236981-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.