Companies: 10,795·Total market cap: $144.5T
Avantor, Inc.

Avantor, Inc.

AVTRNYSEHealthcare● Active
$9.86
+$0.70(+7.59%)
Market Cap$6.7B
P/E Ratio
52W High$15.93
52W Low$7.265
Overview

Avantor, Inc. (AVTR) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · AVTR · as of Jun 8, 2026

Activity summary

Buy transactions

14

P-Purchase only

Sell transactions

1

12 Months

Buy/Sell ratio

14.00

Buy/Sell (by trades)

Overall sentiment

BULLISH
↑ Buy 93%Active transactions only · RSU vesting excluded7% Sell ↓

Avantor, Inc. insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

AVTR insider buying and selling by quarter

AVTR insider selling · AVTR insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
7.1M3.5M0
2025 Q2
2025 Q3
2025 Q4
2026 Q1

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · AVTR ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

AVTR executive sell shares · AVTR board member insider trading · AVTR insider trading SEC filing

Showing 80 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Murthy Mala

Director

Award

Date

May 7

Shares

25,270

Price

Value

View Form 4 on SEC.gov

LUCIER GREGORY T

Director

Purchase

Date

May 8

Shares

10,000

Price

$8.32

Value

$83K

View Form 4 on SEC.gov

LUCIER GREGORY T

Director

Award

Date

May 7

Shares

25,270

Price

Value

View Form 4 on SEC.gov

Dingemans Simon

Director

Award

Date

May 7

Shares

25,270

Price

Value

View Form 4 on SEC.gov

Makin Louise

Director

Award

Date

May 7

Shares

25,270

Price

Value

View Form 4 on SEC.gov

Massaro Joseph R

Director

Award

Date

May 7

Shares

25,270

Price

Value

View Form 4 on SEC.gov

MEHRA SANJEEV K

Director

Award

Date

May 7

Shares

25,270

Price

Value

View Form 4 on SEC.gov

SEVERINO MICHAEL

Director

Award

Date

May 7

Shares

25,270

Price

Value

View Form 4 on SEC.gov

SUMME GREGORY L

Director

Award

Date

May 7

Shares

25,270

Price

Value

View Form 4 on SEC.gov

Dingemans Simon

Director

Purchase

Date

May 1

Shares

25,000

Price

$8.14

Value

$204K

View Form 4 on SEC.gov

Brellier Ludovic

EVP, Bioscience & Medtech

Award

Date

May 1

Shares

146,566

Price

Value

View Form 4 on SEC.gov

Eck Steven W

SVP & Chief Accounting Officer

Award

Date

Apr 3

Shares

31,645

Price

Value

View Form 4 on SEC.gov

MEHRA SANJEEV K

Director

Purchase

Date

Mar 10

Shares

125,000

Price

$8.01

Value

$1.00M ⚡

View Form 4 on SEC.gov

Sokenu Claudius

EVP, Chief Legal & Compliance

Other

Date

Feb 23

Shares

2,376

Price

$8.89

Value

$21K

View Form 4 on SEC.gov

Hankamer Brittany

EVP, Chief HR Officer

Other

Date

Feb 23

Shares

1,324

Price

$8.89

Value

$12K

View Form 4 on SEC.gov

Hankamer Brittany

EVP, Chief HR Officer

Other

Date

Feb 24

Shares

359

Price

$9.11

Value

$3K

View Form 4 on SEC.gov

Jones R. Brent

EVP, Chief Financial Officer

Other

Date

Feb 23

Shares

2,805

Price

$8.89

Value

$25K

View Form 4 on SEC.gov

Gourdier Benoit

EVP, Bioscience & Medtech

Other

Date

Feb 23

Shares

3,029

Price

$8.89

Value

$27K

View Form 4 on SEC.gov

Eck Steven W

SVP & Chief Accounting Officer

Other

Date

Feb 23

Shares

2,017

Price

$8.89

Value

$18K

View Form 4 on SEC.gov

Eck Steven W

SVP & Chief Accounting Officer

Other

Date

Feb 24

Shares

452

Price

$9.11

Value

$4K

View Form 4 on SEC.gov

Hankamer Brittany

EVP, Chief HR Officer

Award

Date

Feb 19

Shares

80,618

Price

Value

View Form 4 on SEC.gov

Hankamer Brittany

EVP, Chief HR Officer

Other

Date

Feb 20

Shares

1,453

Price

$9.03

Value

$13K

View Form 4 on SEC.gov

LUCIER GREGORY T

Director

Purchase

Date

Feb 19

Shares

50,000

Price

$9.16

Value

$458K

View Form 4 on SEC.gov

Blenn Mary

EVP, Chief Operating Officer

Award

Date

Feb 19

Shares

235,993

Price

Value

View Form 4 on SEC.gov

Eck Steven W

SVP & Chief Accounting Officer

Award

Date

Feb 19

Shares

48,859

Price

Value

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About AVTR insider trading

AVTR insider trades

Avantor, Inc. (AVTR) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Eck Steven W (SVP & Chief Accounting Officer), Hankamer Brittany (EVP, Chief HR Officer), LUCIER GREGORY T (Director). Over the past 12 months, 5 insiders have filed transactions with the SEC. AVTR insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Avantor, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

AVTR insider trading · 5 questions

The insiders of Avantor, Inc. (AVTR) include executives and directors such as Eck Steven W (SVP & Chief Accounting Officer), Hankamer Brittany (EVP, Chief HR Officer), LUCIER GREGORY T (Director), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

AVTR board member insider tradingwho are AVTR insidersAVTR insider rosterAvantor, Inc. executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026