Here are a few options for a formal revision, depending on the desired emphasis:
Most formal and precise:
- Dynacor Board Criticized for Alleged Misinformation and Restriction of Shareholder Rights
More concise:
- Concerns Raised Over Dynacor Board’s Conduct and Shareholder Rights Restrictions
Journalistic formal:
- Dynacor Board Faces Scrutiny Regarding Governance and Shareholder Engagement
Recommendation: The first option is the most direct and accurately reflects the components of your original title while maintaining a professional, objective tone.