AVTR
Lucier Gregory T, AVTR's Director, spent $83.2K of their own money on 10,000 shares at $8, growing their stake 20%.
+$83.2K
10,000 sh @ $8
AVTR
Avantor, Inc.
SEC CIK 1722482
$9.39
−15.7% · 90 days
90-day buys
$286.7K
2 open-market
90-day sells
$0
0 open-market
Net insider flow
+$286.7K
Net buying
Filings shown
33
Most recent
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At a glance
Over the last 90 days, insiders at AVTR have bought a net $286.7K of stock (2 open-market buys vs 0 sells).
Largest recent trade: Mehra Sanjeev K, AVTR's Director, spent $1M of their own money on 125,000 shares at $8, growing their stake 36%.
Most active filer: Eck Steven W, with 5 transactions among the recent filings shown.
Insider transaction history
Form 4 filings for AVTR, newest firstAVTR
+$0
25,270 sh
AVTR
+$0
25,270 sh
AVTR
+$0
25,270 sh
AVTR
+$0
25,270 sh
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AVTR
+$0
25,270 sh
AVTR
+$0
25,270 sh
AVTR
+$0
25,270 sh
AVTR
+$0
25,270 sh
AVTR
Dingemans Simon, AVTR's Director, spent $203.5K of their own money on 25,000 shares at $8, opening a brand-new position.
+$203.5K
25,000 sh @ $8
AVTR
+$0
146,566 sh
AVTR
+$0
31,645 sh
AVTR
Mehra Sanjeev K, AVTR's Director, spent $1M of their own money on 125,000 shares at $8, growing their stake 36%.
+$1M
125,000 sh @ $8
AVTR
−$3.3K
359 sh @ $9
AVTR
−$4.1K
452 sh @ $9
AVTR
−$21.1K
2,376 sh @ $9
AVTR
−$11.8K
1,324 sh @ $9
AVTR
−$24.9K
2,805 sh @ $9
AVTR
−$26.9K
3,029 sh @ $9
AVTR
−$17.9K
2,017 sh @ $9
AVTR
−$13.1K
1,453 sh @ $9
AVTR
−$19.2K
2,125 sh @ $9
AVTR
−$44.8K
4,963 sh @ $9
AVTR
−$26.4K
2,919 sh @ $9
AVTR
−$37.6K
4,160 sh @ $9
AVTR
+$0
80,618 sh
AVTR
Lucier Gregory T, AVTR's Director, spent $458K of their own money on 50,000 shares at $9, opening a brand-new position.
+$458K
50,000 sh @ $9
AVTR
+$0
235,993 sh
AVTR
+$0
48,859 sh
AVTR
+$0
483,713 sh
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About AVTR insider activity
This page tracks every recent Form 4 filed for Avantor, Inc. with the U.S. Securities and Exchange Commission. Form 4 is the disclosure that company insiders — officers, directors, and holders of more than 10% of the stock — must file within two business days of buying or selling shares.
The summary above nets open-market purchases against open-market sales over the trailing 90 days. Open-market trades (codes P and S) tend to carry the most signal because they reflect a deliberate choice to put money in or take it out, as opposed to routine grants, option exercises, or tax-withholding events. Use the badges on each row to tell them apart, and always confirm details against the original filing before drawing conclusions.
Frequently asked questions
How often is AVTR insider data updated?
Continuously. We read from SEC EDGAR, so new Form 4 filings for Avantor, Inc. usually appear here within minutes of being accepted by the SEC.
What does "net insider flow" mean?
It is the total dollar value of open-market insider purchases minus open-market sales over the last 90 days. A positive number (green) means insiders bought more than they sold; a negative number (red) means the reverse.
Why do some rows show grants or option exercises instead of buys?
Insiders receive stock through compensation as well as buying it outright. Form 4 captures all of these. We label each transaction by its SEC code so you can focus on open-market activity if you prefer.
Is this investment advice?
No. InsiderSource presents public filing data for informational purposes only. Insider activity is one of many factors to consider and is never a recommendation to buy or sell.