Trade Summary

6 months ago, Summe Gregory L, serving as Dir at Avantor, Inc. (AVTR), purchased 100,000 shares at $11.25 per share, for a total transaction value of $1,125,000.00. Following this transaction, Summe Gregory L now holds 358,111 shares of AVTR.

This purchase represents a 39.00% increase in Summe Gregory L's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Thursday, October 30, 2025 and publicly disclosed via SEC Form 4 filing on Friday, October 31, 2025 at 9:46 AM ET, 1 day after the trade was made.

Avantor, Inc. operates in the HEALTHCARE sector, specifically within the MEDICAL INSTRUMENTS & SUPPLIES industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.