Read as much as you want on BostonGlobe.com, anywhere and anytime, for just 99¢.

Mass. Movers

Repligen urged to boost its value by shareholder

Repligen supplies products used to make biologic drugs. It is also developing a synthetic hormone for use as an imaging agent.

AFP/getty images

Repligen supplies products used to make biologic drugs. It is also developing a synthetic hormone for use as an imaging agent.

Continue reading below

Ronald L. Chez, who with a 9.3 percent stake is one of Repligen Corp.’s largest shareholders, wrote to the Waltham company’s board to express “serious concerns regarding the lack of progress at the Company.” He acquired shares five years ago, he wrote, because the stock “was significantly undervalued.” But because the share price “is virtually unchanged over the past five years,” he requests that the board “take all appropriate actions to unlock the inherent value in the Company and explore strategic alternatives immediately.”

Loading comments...
Subscriber Log In

You have reached the limit of 5 free articles in a month

Stay informed with unlimited access to Boston’s trusted news source.

  • High-quality journalism from the region’s largest newsroom
  • Convenient access across all of your devices
  • Today’s Headlines daily newsletter
  • Subscriber-only access to exclusive offers, events, contests, eBooks, and more
  • Less than 25¢ a week
Marketing image of BostonGlobe.com
Marketing image of BostonGlobe.com