AVTR
Avantor, Inc. · Healthcare · Market cap $10.7B
Insider Buying
$8.7M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Unique Insiders
5
in the rolling window
Latest filing
Aug 20, 2026
LUCIER GREGORY T
Avantor, Inc. (AVTR) has 39 SEC Form 4 filings (49 transaction rows) in the rolling window, disclosed by 5 distinct insiders. Most recent filing: Aug 20, 2026.
Inside the rolling window, 5 insiders at Avantor, Inc. reported 8 open-market purchases totaling $8.7M and no open-market sales. Insiders have net bought $1.7M over the trailing 6 months. The largest single insider purchase in this window was $1.0M by Director MEHRA SANJEEV K on Mar 10, 2026. The most recent open-market filing is a purchase of 10,000 shares by Director LUCIER GREGORY T, dated May 8, 2026, worth $83K.
- Industry:Medical - Instruments & Supplies
- CEO:Emmanuel Ligner
- Employees:13,500
- HQ:Radnor, PA, US
- IPO:2019-05-17
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Director | Purchase | 10,000 | $83K | May 11 | +95.9% | SEC ↗ | |
Dingemans SimonFirst filing | Director | Purchase | 25,000 | $204K | May 5 | +93.9% | SEC ↗ |
MEHRA SANJEEV KFirst in 3 months | Director | Purchase | 125,000 | $1.0M | Mar 11 | +88.3% | SEC ↗ |
| Director | Purchase | 50,000 | $458K | Feb 23 | +75.6% | SEC ↗ | |
SUMME GREGORY LFirst in 3 months | Director | Purchase | 100,000 | $940K | Feb 12 | +70.8% | SEC ↗ |
MEHRA SANJEEV KFirst filing | Director | Purchase | 350,000 | $3.9M | Dec 9 | +46.8% | SEC ↗ |
Ligner EmmanuelFirst filing | President and CEO | Purchase | 87,500 | $993K | Nov 17 | +43.5% | SEC ↗ |
SUMME GREGORY LFirst filing | Director | Purchase | 100,000 | $1.1M | Oct 31 | +32.1% | SEC ↗ |
Congress trading AVTR 48 all-time
- DRep. Gilbert Ray CisnerosOther$1,001 - $15,0002025-08-12
- DRep. Gilbert Ray CisnerosOther$1,001 - $15,0002025-08-12
- DRep. Gilbert Ray CisnerosOther$1,001 - $15,0002025-08-12
- DRep. Gilbert Ray CisnerosOther$1,001 - $15,0002025-08-13
- DRep. Gilbert Ray CisnerosSale$1,001 - $15,0002025-07-23
- RRep. Lisa C. McClainOther$1,001 - $15,0002025-06-17
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does AVTR have?
Avantor, Inc. (AVTR) has 39 SEC Form 4 filings (49 transaction rows) in the rolling 365-day window, disclosed by 5 distinct insiders. Most recent filing: Aug 20, 2026.
When was the most recent SEC Form 4 filing for AVTR?
The most recent Form 4 filing for AVTR on Tracefour is dated Aug 20, 2026.
What is the net insider flow at AVTR over the last 6 months?
Over the trailing 180 days, insiders at AVTR have net bought $1.7M based on SEC Form 4 disclosures.
What was the largest insider purchase at AVTR?
The largest single insider open-market purchase at AVTR in the rolling window was $1.0M by Director MEHRA SANJEEV K on 2026-03-10.
What is the total insider buy and sell value at AVTR in the current window?
Inside the rolling window, insiders at AVTR bought $8.7M and sold $0 based on SEC Form 4 filings.
Can I get alerts for AVTR insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Avantor, Inc. (AVTR). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Avantor, Inc. is in the Healthcare sector.