Mary Blenn
EVP, Chief Operating Officer · Avantor, Inc.
- 2025
- Feb 24, 2026
- 2
Summary
Latest filing:
Mary Blenn is EVP, Chief Operating Officer of Avantor, Inc. (AVTR). 2 SEC Form 4 filings on record going back to 2025, most recently on 24 February 2026.
Recent transactions
2The latest 2 SEC Form 4 transactions reported by Mary Blenn.
Trading pattern
InsiderAlpha's records for Mary Blenn go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mary Blenn files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Gregory L. Summe - $2.06M in AVTR purchases and sales in the last 12 months
- Sanjeev K. Mehra - $1.00M in AVTR purchases and sales in the last 12 months
- Emmanuel Ligner - $993K in AVTR purchases and sales in the last 12 months
- Gregory T. Lucier - $541K in AVTR purchases and sales in the last 12 months
- Simon Dingemans - $204K in AVTR purchases and sales in the last 12 months
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Frequently asked questions
Who is Mary Blenn?
Mary Blenn is a corporate insider, tracked as EVP, Chief Operating Officer of Avantor, Inc. (AVTR). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Mary Blenn last file a Form 4?
The most recent primary Form 4 on record is dated 24 February 2026, one of 2 filings going back to 2025.