John Charles Harrington appears across SEC filings — Form ADV advisers, Form D, Reg A, and crowdfunding offerings. John Charles Harrington appears on 1 filing role across Form ADV (1).
| Filed | Source | Entity | Role | Location |
|---|---|---|---|---|
| 2025-09-24 | Form ADV | HARRINGTON INVESTMENTS, INC. | PRESIDENT / CEO | NAPA, CA |