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AVTR insider trading

Avantor, Inc. — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
16
Bought · 24 mo
$11.4M
Buys · last 90 days
0 · $0
Most recent buy
2026-05-11

Cluster buy detected

4 insiders bought AVTR within a short window (2025-04-28→2025-05-23), $1.5M in total — cluster score 72/100. Members see the buyers, the score breakdown and the chart.

See the cluster

Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-05-11LUCIER GREGORY T
Director
Bought10,000$8.32$83k
2026-05-05Dingemans Simon
Director
Bought25,000$8.14$204k
2026-03-11MEHRA SANJEEV Kcluster
Director
Bought125,000$8.01$1.0M
2026-02-23LUCIER GREGORY Tcluster
Director
Bought50,000$9.16$458k
2026-02-12SUMME GREGORY Lcluster
Director
Bought100,000$9.40$940k
2025-12-09MEHRA SANJEEV Kcluster
Director
Bought350,000$11.09$3.9M
2025-11-17Ligner Emmanuelcluster
President and CEO
Bought87,500$11.35$993k
2025-10-31SUMME GREGORY Lcluster
Director
Bought100,000$11.25$1.1M
2025-08-22SUMME GREGORY L
Director
Bought100,000$12.56$1.3M
2025-05-27SUMME GREGORY Lcluster
Director
Bought30,000$12.50$375k
2025-05-22SUMME GREGORY Lcluster
Director
Bought20,000$12.65$253k
2025-05-09SUMME GREGORY Lcluster
Director
Bought25,000$12.00$300k
2025-04-29SUMME GREGORY Lcluster
Director
Bought25,000$12.50$312k
2025-04-29Kang Lancluster
Director
Bought5,000$12.57$63k
2025-04-29Peacock Jonathan Mcluster
Director
Bought8,091$12.81$104k
2025-04-29Massaro Joseph Rcluster
Director
Bought8,100$12.30$100k

Most active insider buyers

InsiderRoleBuysTotal bought
MEHRA SANJEEV KDirector2$4.9M
SUMME GREGORY LDirector7$4.6M
Ligner EmmanuelPresident and CEO1$993k
LUCIER GREGORY TDirector2$541k
Dingemans SimonDirector1$204k
Peacock Jonathan MDirector1$104k

See AVTR on the chart

Every insider buy and sell for AVTR plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

Open the browserFree sample
Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.