Over the past 12 months, 6 insiders at Avantor, Inc. filed 10 open-market SEC Form 4 transactions on AVTR: 9 purchases worth $9.9M and 1 sale worth $40K. Insiders have been net buyers over this period. The most recent filing was on May 8, 26.
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| May 8, 26 | Gregory T Lucier | BUY | 10.0K | $8.32 | $83K |
| May 1, 26 | Simon Dingemans | BUY | 25.0K | $8.14 | $204K |
| Mar 10, 26 | Sanjeev K MehraDirector | BUY | 125.0K | $8.01 | $1.0M |
| Feb 19, 26 | Gregory T LucierDirector | BUY | 50.0K | $9.16 | $458K |
| Feb 12, 26 | Gregory L SummeDirector | BUY | 100.0K | $9.40 | $940K |
| Dec 5, 25 | Sanjeev K MehraDirector | BUY | 350.0K | $11.09 | $3.9M |
| Nov 17, 25 | Emmanuel LignerPresident and CEO | BUY | 87.5K | $11.35 | $993K |
| Oct 30, 25 | Gregory L SummeDirector | BUY | 100.0K | $11.25 | $1.1M |
| Aug 21, 25 | Gregory L SummeDirector | BUY | 100.0K | $12.56 | $1.3M |
| Aug 5, 25 | Steven W EckSVP & Chief Accounting Officer | SELL | 3.5K | $11.39 | $40K |
| May 23, 25 | Gregory L SummeDirector | BUY | 30.0K | $12.50 | $375K |
| May 22, 25 | Gregory L SummeDirector | BUY | 20.0K | $12.65 | $253K |
| May 7, 25 | Gregory L SummeDirector | BUY | 25.0K | $12.00 | $300K |
| Apr 29, 25 | Joseph R MassaroDirector | BUY | 8.1K | $12.30 | $100K |
| Apr 28, 25 | Lan KangDirector | BUY | 5.0K | $12.57 | $63K |
| Apr 28, 25 | Jonathan M PeacockDirector | BUY | 8.1K | $12.81 | $104K |
| Apr 28, 25 | Gregory L SummeDirector | BUY | 25.0K | $12.50 | $313K |
| Feb 27, 25 | James BramwellEVP Sales, Customer Excellence | SELL | 774 | $17.00 | $13K |
| Feb 27, 25 | Steven W EckSVP & Chief Accounting Officer | SELL | 1.0K | $17.00 | $18K |
| Feb 26, 25 | James BramwellEVP Sales, Customer Excellence | SELL | 3.8K | $17.53 | $66K |
| Feb 26, 25 | Steven W EckSVP & Chief Accounting Officer | SELL | 4.9K | $17.53 | $86K |
| Sep 5, 24 | Steven W EckSVP & Chief Accounting Officer | SELL | 3.5K | $25.06 | $88K |
| Jul 31, 24 | Christophe CouturierEVP, AMEA | SELL | 100 | $28.00 | $3K |
| Jul 30, 24 | Christophe CouturierEVP, AMEA | SELL | 10.0K | $27.00 | $270K |
| Mar 8, 24 | Steven W EckSVP & Chief Accounting Officer | SELL | 3.7K | $25.63 | $94K |
| Feb 29, 24 | James BramwellEVP Sales, Customer Excellence | SELL | 4.9K | $24.52 | $120K |
| Feb 29, 24 | Christophe CouturierEVP, AMEA | SELL | 13.1K | $24.53 | $321K |
| Feb 27, 24 | James BramwellEVP Sales, Customer Excellence | SELL | 6.2K | $24.49 | $152K |
| Sep 7, 23 | Steven W EckSVP & Chief Accounting Officer | SELL | 7.6K | $20.64 | $156K |
| Aug 25, 23 | Frederic VanderhaegenEVP, Americas and Europe | SELL | 25.0K | $21.47 | $537K |
| Apr 11, 23 | Christophe CouturierEVP, AMEA | SELL | 1.5K | $21.18 | $32K |
| Mar 3, 23 | Gerard BrophyEVP, Biopharma Production | SELL | 3.9K | $25.00 | $98K |
| Feb 28, 23 | Christophe CouturierEVP, AMEA | SELL | 2.3K | $24.32 | $57K |
| Feb 27, 23 | Gerard BrophyEVP, Biopharma Production | SELL | 3.1K | $25.00 | $76K |
| Feb 23, 23 | Christophe CouturierEVP, AMEA | SELL | 3.1K | $24.24 | $75K |
| Feb 22, 23 | Christophe CouturierEVP, AMEA | SELL | 19.2K | $24.12 | $462K |
| Feb 2, 23 | Gerard BrophyEVP, Biopharma Production | SELL | 11.3K | $25.06 | $284K |
| Nov 16, 22 | Michael StubblefieldCEO | BUY | 15.0K | $20.95 | $314K |
| Nov 16, 22 | Thomas A SzlosekEVP & CFO | BUY | 12.5K | $20.71 | $259K |
| May 23, 22 | Frederic VanderhaegenEVP, Americas & Europe | SELL | 39.0K | $31.61 | $1.2M |
| May 20, 22 | Gerard BrophyEVP, Biopharma Production | SELL | 19.6K | $31.27 | $613K |
| Mar 1, 22 | Gerard BrophyEVP, Biopharma Production | SELL | 2.0K | $34.47 | $70K |
| Feb 23, 22 | Gerard BrophyEVP, Biopharma Production | SELL | 3.1K | $33.79 | $103K |
| Jan 5, 22 | Gerard BrophyEVP, Biopharma Production | SELL | 11.6K | $38.65 | $446K |
| Jan 3, 22 | Gerard BrophyEVP, Biopharma Production | SELL | 59.4K | $40.77 | $2.4M |
| Dec 27, 21 | Christophe CouturierEVP, AMEA | SELL | 10.2K | $41.63 | $424K |
| Dec 22, 21 | Christophe CouturierEVP, AMEA | SELL | 28.1K | $41.53 | $1.2M |
| Dec 21, 21 | Christophe CouturierEVP, AMEA | SELL | 38.3K | $41.00 | $1.6M |
| Dec 9, 21 | Christophe CouturierEVP, AMEA | SELL | 7.9K | $40.24 | $316K |
| Dec 8, 21 | Christophe CouturierEVP, AMEA | SELL | 5.8K | $40.00 | $233K |
Over the past 12 months, insiders at Avantor, Inc. filed 9 open-market purchases worth $9.9M and 1 sale worth $40K on AVTR, which makes them net buyers over the period. The most recent Form 4 was filed on May 8, 26.
The largest recent open-market AVTR insider purchase in our data was $3.9M by Sanjeev K Mehra, Director, filed on Dec 5, 25.
6 different insiders at Avantor, Inc. filed open-market SEC Form 4 transactions on AVTR over the last 12 months.
InsiderTape plots every AVTR insider buy and sell directly on the price chart and flags new SEC Form 4 filings as they arrive, with cluster detection and buy/sell pressure. The data updates daily from SEC EDGAR.
InsiderTape plots every Avantor, Inc. insider buy and sell on the price chart, with buy/sell pressure, cluster detection, and alerts the moment new Form 4s hit. Start a free 7-day trial, cancel anytime.
Does it work? In five years of data, insider clusters beat the Russell 2000 about 60% of the time and the CFO's buy was the sharpest signal of all. See the backtest →
START FREE TRIAL →