AVTR
Avantor Inc
NYSE: AVTR · HEALTHCARE · MEDICAL INSTRUMENTS & SUPPLIES
$14.38
+15.78% today
Updated 2026-07-29
Market cap
$7.56B
P/E ratio
—
P/S ratio
1.15x
EPS (TTM)
$-0.81
Dividend yield
—
52W range
$7 – $16
Volume
10.8M
Avantor Inc (AVTR) Insider transactions
Net insider activity
Net buying (10,239,610 shares)
Buy transactions
67
Sell transactions
33
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-21 | WALKER, COREY | President, VWR Dist. & Servs. | Sale | 3,010 | $9.58 | $28835.80 |
| 2026-05-08 | LUCIER, GREGORY T | Director | Buy | 10,000 | $8.32 | $83200.00 |
| 2026-05-07 | SUMME, GREGORY L | Director | Buy | 25,270 | — | — |
| 2026-05-07 | SEVERINO, MICHAEL | Director | Buy | 25,270 | — | — |
| 2026-05-07 | MURTHY, MALA | Director | Buy | 25,270 | — | — |
| 2026-05-07 | MEHRA, SANJEEV K | Director | Buy | 25,270 | — | — |
| 2026-05-07 | MASSARO, JOSEPH R | Director | Buy | 25,270 | — | — |
| 2026-05-07 | MAKIN, LOUISE | Director | Buy | 25,270 | — | — |
| 2026-05-07 | LUCIER, GREGORY T | Director | Buy | 25,270 | — | — |
| 2026-05-07 | DINGEMANS, SIMON | Director | Buy | 25,270 | — | — |
| 2026-05-01 | DINGEMANS, SIMON | Director | Buy | 25,000 | $8.14 | $203500.00 |
| 2026-05-01 | BRELLIER, LUDOVIC | EVP, Bioscience & Medtech | Buy | 246,002 | — | — |
| 2026-05-01 | BRELLIER, LUDOVIC | EVP, Bioscience & Medtech | Buy | 146,566 | — | — |
| 2026-04-03 | ECK, STEVEN W | SVP & Chief Accounting Officer | Buy | 31,645 | — | — |
| 2026-03-10 | MEHRA, SANJEEV K | Director | Buy | 125,000 | $8.01 | $1.00M |
| 2026-02-24 | HANKAMER, BRITTANY | EVP, Chief HR Officer | Sale | 359 | $9.11 | $3270.49 |
| 2026-02-24 | ECK, STEVEN W | SVP & Chief Accounting Officer | Sale | 452 | $9.11 | $4117.72 |
| 2026-02-23 | SOKENU, CLAUDIUS | EVP, Chief Legal & Compliance | Sale | 2,376 | $8.89 | $21122.64 |
| 2026-02-23 | JONES, R. BRENT | EVP, Chief Financial Officer | Sale | 2,805 | $8.89 | $24936.45 |
| 2026-02-23 | HANKAMER, BRITTANY | EVP, Chief HR Officer | Sale | 1,324 | $8.89 | $11770.36 |
| 2026-02-23 | GOURDIER, BENOIT | EVP, Bioscience & Medtech | Sale | 3,029 | $8.89 | $26927.81 |
| 2026-02-23 | ECK, STEVEN W | SVP & Chief Accounting Officer | Sale | 2,017 | $8.89 | $17931.13 |
| 2026-02-20 | WALKER, COREY | President, VWR Dist. & Servs. | Sale | 4,963 | $9.03 | $44815.89 |
| 2026-02-20 | SOKENU, CLAUDIUS | EVP, Chief Legal & Compliance | Sale | 2,919 | $9.03 | $26358.57 |
| 2026-02-20 | JONES, R. BRENT | EVP, Chief Financial Officer | Sale | 9,506 | $9.03 | $85839.18 |
| 2026-02-20 | HANKAMER, BRITTANY | EVP, Chief HR Officer | Sale | 1,453 | $9.03 | $13120.59 |
| 2026-02-20 | GOURDIER, BENOIT | EVP, Bioscience & Medtech | Sale | 4,160 | $9.03 | $37564.80 |
| 2026-02-20 | ECK, STEVEN W | SVP & Chief Accounting Officer | Sale | 2,125 | $9.03 | $19188.75 |
| 2026-02-19 | WALKER, COREY | President, VWR Dist. & Servs. | Buy | 634,617 | — | — |
| 2026-02-19 | WALKER, COREY | President, VWR Dist. & Servs. | Buy | 161,237 | — | — |
| 2026-02-19 | SOKENU, CLAUDIUS | EVP, Chief Legal & Compliance | Buy | 317,310 | — | — |
| 2026-02-19 | SOKENU, CLAUDIUS | EVP, Chief Legal & Compliance | Buy | 80,618 | — | — |
| 2026-02-19 | LUCIER, GREGORY T | Director | Buy | 50,000 | $9.16 | $458000.00 |
| 2026-02-19 | LIGNER, EMMANUEL | Director, President and CEO | Buy | 1,903,847 | — | — |
| 2026-02-19 | LIGNER, EMMANUEL | Director, President and CEO | Buy | 483,713 | — | — |
| 2026-02-19 | JONES, R. BRENT | EVP, Chief Financial Officer | Buy | 634,617 | — | — |
| 2026-02-19 | JONES, R. BRENT | EVP, Chief Financial Officer | Buy | 161,237 | — | — |
| 2026-02-19 | HANKAMER, BRITTANY | EVP, Chief HR Officer | Buy | 317,310 | — | — |
| 2026-02-19 | HANKAMER, BRITTANY | EVP, Chief HR Officer | Buy | 80,618 | — | — |
| 2026-02-19 | GOURDIER, BENOIT | EVP, Bioscience & Medtech | Buy | 528,848 | — | — |
| 2026-02-19 | GOURDIER, BENOIT | EVP, Bioscience & Medtech | Buy | 134,364 | — | — |
| 2026-02-19 | ECK, STEVEN W | SVP & Chief Accounting Officer | Buy | 43,230 | — | — |
| 2026-02-19 | ECK, STEVEN W | SVP & Chief Accounting Officer | Buy | 48,859 | — | — |
| 2026-02-19 | BLENN, MARY | EVP, Chief Operating Officer | Buy | 1,041,766 | — | — |
| 2026-02-19 | BLENN, MARY | EVP, Chief Operating Officer | Buy | 235,993 | — | — |
| 2026-02-12 | SUMME, GREGORY L | Director | Buy | 100,000 | $9.40 | $940000.00 |
| 2026-01-02 | DINGEMANS, SIMON | Director | Buy | 6,225 | — | — |
| 2025-12-05 | MEHRA, SANJEEV K | Director | Buy | 350,000 | $11.09 | $3.88M |
| 2025-12-05 | MEHRA, SANJEEV K | Director | Buy | 8,106 | — | — |
| 2025-11-17 | LIGNER, EMMANUEL | Director, President and CEO | Buy | 87,500 | $11.35 | $993125.00 |
| 2025-11-10 | BLENN, MARY | EVP, Chief Operating Officer | Buy | 47,058 | — | — |
| 2025-11-10 | BLENN, MARY | EVP, Chief Operating Officer | Buy | 17,391 | — | — |
| 2025-10-30 | SUMME, GREGORY L | Director | Buy | 100,000 | $11.25 | $1.13M |
| 2025-10-03 | LUCIER, GREGORY T | Director | Buy | 8,736 | — | — |
| 2025-10-02 | GOURDIER, BENOIT | EVP, Bioscience Production | Sale | 1,264 | $13.77 | $17405.28 |
| 2025-08-21 | SUMME, GREGORY L | Director | Buy | 100,000 | $12.56 | $1.26M |
| 2025-08-18 | LIGNER, EMMANUEL | Director, President and CEO | Buy | 573,394 | — | — |
| 2025-08-18 | LIGNER, EMMANUEL | Director, President and CEO | Buy | 195,924 | — | — |
| 2025-08-14 | HANKAMER, BRITTANY | EVP, Chief HR Officer | Sale | 181 | $12.98 | $2349.38 |
| 2025-08-08 | COUTURIER, CHRISTOPHE | EVP, AMEA | Buy | 65,217 | — | — |
| 2025-08-05 | ECK, STEVEN W | SVP & Chief Accounting Officer | Sale | 3,476 | $11.39 | $39591.64 |
| 2025-07-31 | ECK, STEVEN W | SVP & Chief Accounting Officer | Sale | 1,385 | $13.44 | $18614.40 |
| 2025-07-24 | SOKENU, CLAUDIUS | EVP, Chief Legal & Compliance | Sale | 3,123 | $14.01 | $43753.23 |
| 2025-06-21 | WALKER, COREY | President Laboratory Solutions | Sale | 2,730 | $13.57 | $37046.10 |
| 2025-05-23 | SUMME, GREGORY L | Director | Buy | 30,000 | $12.50 | $375000.00 |
| 2025-05-22 | SUMME, GREGORY L | Director | Buy | 20,000 | $12.65 | $253000.00 |
| 2025-05-21 | STUBBLEFIELD, MICHAEL | Director, President & CEO | Sale | 76,000 | — | — |
| 2025-05-09 | WALKER, COREY | President Laboratory Solutions | Buy | 162,866 | — | — |
| 2025-05-09 | SOKENU, CLAUDIUS | EVP, Chief Legal & Compliance | Buy | 122,149 | — | — |
| 2025-05-09 | JONES, R. BRENT | EVP, Chief Financial Officer | Buy | 162,866 | — | — |
| 2025-05-09 | HANKAMER, BRITTANY | EVP, Chief HR Officer | Buy | 122,149 | — | — |
| 2025-05-09 | GOURDIER, BENOIT | EVP, Bioscience Production | Buy | 162,866 | — | — |
| 2025-05-09 | ECK, STEVEN W | SVP & Chief Accounting Officer | Buy | 20,358 | — | — |
| 2025-05-09 | COUTURIER, CHRISTOPHE | EVP, AMEA | Buy | 61,074 | — | — |
| 2025-05-08 | SUMME, GREGORY L | Director | Buy | 17,100 | — | — |
| 2025-05-08 | SEVERINO, MICHAEL | Director | Buy | 17,100 | — | — |
| 2025-05-08 | PEACOCK, JONATHAN M | Director | Buy | 17,100 | — | — |
| 2025-05-08 | MURTHY, MALA | Director | Buy | 17,100 | — | — |
| 2025-05-08 | MASSARO, JOSEPH R | Director | Buy | 17,100 | — | — |
| 2025-05-08 | MAKIN, LOUISE | Director | Buy | 17,100 | — | — |
| 2025-05-08 | KANG, LAN | Director | Buy | 17,100 | — | — |
| 2025-05-08 | CARETHERS, JOHN | Director | Buy | 17,100 | — | — |
| 2025-05-08 | ANDRES, JUAN | Director | Buy | 17,100 | — | — |
| 2025-05-07 | SUMME, GREGORY L | Director | Buy | 25,000 | $12.00 | $300000.00 |
| 2025-04-29 | MASSARO, JOSEPH R | Director | Buy | 8,100 | $12.30 | $99630.00 |
| 2025-04-28 | SUMME, GREGORY L | Director | Buy | 25,000 | $12.50 | $312500.00 |
| 2025-04-28 | PEACOCK, JONATHAN M | Director | Buy | 8,091 | $12.81 | $103645.71 |
| 2025-04-28 | KANG, LAN | Director | Buy | 5,000 | $12.57 | $62850.00 |
| 2025-04-05 | COUTURIER, CHRISTOPHE | EVP, AMEA | Sale | 569 | $15.13 | $8608.97 |
| 2025-02-27 | ECK, STEVEN W | SVP & Chief Accounting Officer | Sale | 1,033 | $17.00 | $17561.00 |
| 2025-02-27 | BRAMWELL, JAMES | EVP Sales, Customer Excellence | Sale | 774 | $17.00 | $13158.00 |
| 2025-02-26 | ECK, STEVEN W | SVP & Chief Accounting Officer | Sale | 4,907 | $17.53 | $86019.71 |
| 2025-02-26 | BRAMWELL, JAMES | EVP Sales, Customer Excellence | Sale | 3,758 | $17.53 | $65877.74 |
| 2025-02-25 | STUBBLEFIELD, MICHAEL | Director, President & CEO | Sale | 4,969 | $17.56 | $87255.64 |
| 2025-02-25 | HANKAMER, BRITTANY | EVP, Chief HR Officer | Sale | 369 | $17.56 | $6479.64 |
| 2025-02-25 | ECK, STEVEN W | SVP & Chief Accounting Officer | Sale | 505 | $17.56 | $8867.80 |
| 2025-02-25 | COUTURIER, CHRISTOPHE | EVP, AMEA | Sale | 556 | $17.56 | $9763.36 |
| 2025-02-25 | BRAMWELL, JAMES | EVP Sales, Customer Excellence | Sale | 583 | $17.56 | $10237.48 |
| 2025-02-24 | STUBBLEFIELD, MICHAEL | Director, President & CEO | Sale | 6,800 | $17.47 | $118796.00 |
| 2025-02-24 | HANKAMER, BRITTANY | EVP, Chief HR Officer | Sale | 437 | $17.47 | $7634.39 |
Frequently asked questions
Are AVTR insiders buying or selling?
Over the transactions on record, AVTR insiders have been net buyers, with about $964819.94 in stock sold across 33 sales, against 16 open-market purchases.
Does insider selling at AVTR mean the stock will fall?
Not by itself. Most executive selling is pre-scheduled through 10b5-1 plans filed months in advance, and insiders sell for diversification, taxes, and liquidity far more often than out of any view on the price. Insider buying is the stronger signal, especially when several insiders buy around the same time, because there is usually only one reason to put personal cash into the stock.
Which AVTR insiders are selling the most?
Recent selling is concentrated in a few names. ECK, STEVEN W accounts for the largest share on record, with about $211892.15 sold. Selling by one or two individuals matters less than broad selling across the whole leadership team, which is the pattern worth watching.