The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Given as scheduled, per the Massachusetts WARN tracker (mass.gov[2], week ending 18 Sept 2026): "Blueprint Medicines Corporation (aka Sanofi Company Blueprint) Cambridge, MA ... 10/9/2026 - 6/25/2027 229"; the Boston Globe via STAT: positions "will be cut between Oct. 9 and late June 2027".
Massachusetts' own WARN tracker row for Blueprint Medicines (aka Sanofi Company Blueprint): received 8/7/2026, 229 employees, 10/9/2026 - 6/25/2027.[1]
Boston Globe story carried by STAT (open lede): 229 layoffs from the state filing, cut between Oct. 9 and late June 2027.[1]
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