Regeneron to Purchase Sanofi’s Stake in Libtayo Investor Call Jun 22022 8:30 AM EDT Jun 2, 2022 | 8:30 AM EDT Listen to Regeneron to Purchase Sanofi’s Stake in Libtayo Investor Call webcast Supporting Materials Regeneron to Purchase Sanofi’s Stake in Libtayo Investor Slide 1.5 MB