Trade Summary

Yesterday, Hopkinson Craig C., serving as EVP R, D, Chief Medical Office at Alkermes Plc. (ALKS), sold 4,000 shares at $28.00 per share, for a total transaction value of $112,000.00. Following this transaction, Hopkinson Craig C. now holds 61,740 shares of ALKS.

This sale represents a 6.00% decrease in Hopkinson Craig C.'s stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Friday, January 2, 2026 and publicly disclosed via SEC Form 4 filing on Friday, January 2, 2026, meaning the disclosure happened on the same day as the trade.

Alkermes Plc. operates in the HEALTHCARE sector, specifically within the DRUG MANUFACTURERS - SPECIALTY & GENERIC industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.