No 8-K: OTC (Over-The-Counter) companies are not required to file an 8-K with the Securities and Exchange Commission (SEC) because they are not typically considered public reporting companies in the same way as those listed on major exchanges.
Other disclosure requirements: They may still have a requirement to publicly announce a share buyback program through other methods, such as a press release or filings with the Securities and Exchange Commission (SEC).
Varies by jurisdiction: Disclosure rules can vary depending on the specific OTC market and the jurisdiction in which the company is located."
They've publicly announced a share buyback which fulfills the requirement to do one.