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Emmanuel Ligner is President and CEO at Avantor. OQRO lists 4 transactions filed with the SEC under this name, the latest on Aug 20, 2026, each linked to the official Form 4.
President and CEO
Disclosures on record
4
Companies involved
1
1 buy, median −22.2% vs S&P 500, beat it 0 of 1 time.
Average −22.2% vs S&P 500. Each buy is one disclosure of open-market purchases in one company on one filing date, filed Nov 17, 2025 to Nov 17, 2025, measured from the first close after the filing. Past results, not a forecast.
AvantorAVTR
4 disclosures · Nov 2025 – Aug 2026 · 1 bought
Aug 18, 202630Kdisclosed Aug 20
DetailsOfficial recordFeb 19, 2026484Kdisclosed Feb 24
DetailsOfficial recordFeb 19, 20261.9Mdisclosed Feb 24
DetailsOfficial recordNov 17, 2025Bought~$993K
DetailsOfficial record