Gregory L. Summe, Director at Avantor, Inc. (AVTR), bought 20,000 shares at $12.65 ($253K) on 2025-05-22, disclosed to the SEC on 2025-05-22.
Seasonal purchase ($253k) by Director — this insider has traded AVTR in May in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| Filing → |
| AVTR | BUY | 2025-08-22 | $1.3M | — | Filing → |
| AVTR | BUY | 2025-05-27 | $375K | — | Filing → |
| AVTR | BUY | 2025-05-09 | $300K | — | Filing → |