You can now read 5 articles in a month for free on BostonGlobe.com. Read as much as you want 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

We hope you've enjoyed your 5 free articles'

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
Already a subscriber?
Your city. Your stories. Your Globe.
Yours FREE for two weeks.
Enjoy free unlimited access to Globe.com for the next two weeks.
Limited time only - No credit card required!
BostonGlobe.com complimentary digital access has been provided to you, without a subscription, for free starting today and ending in 14 days. After the free trial period, your free BostonGlobe.com digital access will stop immediately unless you sign up for BostonGlobe.com digital subscription. Current print and digital subscribers are not eligible for the free trial.
Thanks & Welcome to Globe.com
You now have unlimited access for the next two weeks.
BostonGlobe.com complimentary digital access has been provided to you, without a subscription, for free starting today and ending in 14 days. After the free trial period, your free BostonGlobe.com digital access will stop immediately unless you sign up for BostonGlobe.com digital subscription. Current print and digital subscribers are not eligible for the free trial.