In short, no. Under the corporations act, a share

In short, no. Under the corporations act, a shareholder may file a complaint to the body which has regulatory control over the corporation if they feel the actions or conduct of the company (through its management) is not acting in the best interests of the shareholders.

For publicly traded companies on recognized exchanges (the OTCBB is a quotation system, not an exchange) press releases are required when releasing audited financials, and other regulatory required reports (annuals, quarterlies etc) or if there has been an action which may effect a material change on the share price of the company. For example, the company is entering into an agreement which might see its share price increase as a result - that is insider information and cannot be traded upon until the press release announcing it is released.

But the company has no responsibility to update shareholders if the updates do not comprise what might be viewed as a material change (positive or negative). The OTCBB rules likely are a bit looser than an exchange requirement.

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