AVTR insider buying and SEC filings, explained
Avantor, Inc. · CIK 1722482
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- Laboratory Analytical Instruments
- Fiscal year end
- Dec 31
- Former names
- Vail Holdco Corp
Insider activity in the last 12 months
Bought
$7.6M
Insiders who bought
5
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| May 8, 2026 | Purchase (code P) | Gregory T. Lucier (Director) bought 10,000 shares indirectly (by trust) at about $8.32 ($83K), reported as a purchase (code P). Holdings by trust up 20% to 60,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 11, 2026 |
| May 1, 2026 | Purchase (code P) | Simon Dingemans (Director) bought 25,000 shares indirectly (by spouse) at $8.14 ($204K), reported as a purchase (code P). New position of 25,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 5, 2026 |
| Mar 10, 2026 | Purchase (code P) | Sanjeev K. Mehra (Director) bought 125,000 shares indirectly (by entity) at about $8.01 ($1.0M), reported as a purchase (code P). Holdings by entity up 36% to 475,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 11, 2026 |
| Feb 19, 2026 | Purchase (code P) | Gregory T. Lucier (Director) bought 50,000 shares indirectly (by trust) at about $9.16 ($458K), reported as a purchase (code P). New position of 50,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 23, 2026 |
| Feb 12, 2026 | Purchase (code P) | Gregory L. Summe (Director) bought 100,000 shares indirectly (by trust) at $9.40 ($940K), reported as a purchase (code P). Holdings by trust up 33% to 400,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 12, 2026 |
| Dec 5, 2025 | Purchase (code P) | Sanjeev K. Mehra (Director) bought 350,000 shares indirectly (by entity) at about $11.09 ($3.9M), reported as a purchase (code P). New position of 350,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 9, 2025 |
| Nov 17, 2025 | Purchase (code P) | Emmanuel Ligner (CEO and Director) bought 87,500 shares at $11.35 ($993K), reported as a purchase (code P). Holdings up 45% to 283,424 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 17, 2025 |
34 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
2 insiders bought in 30 days
$287K in purchases since May 1, 2026 · Purchases traded May 1, 2026 to May 8, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Simon Dingemans (Director) | $204K | May 1, 2026 | SEC filing |
| Gregory T. Lucier (Director) | $83K | May 8, 2026 | SEC filing |
3 insiders bought in 30 days
$2.4M in purchases since Feb 12, 2026 · Purchases traded Feb 12, 2026 to Mar 10, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Gregory L. Summe (Director) | $940K | Feb 12, 2026 | SEC filing |
| Gregory T. Lucier (Director) | $458K | Feb 19, 2026 | SEC filing |
| Sanjeev K. Mehra (Director) | $1.0M | Mar 10, 2026 | SEC filing |
3 insiders bought in 30 days
$6.0M in purchases since Oct 30, 2025 · Purchases traded Oct 30, 2025 to Dec 5, 2025 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Gregory L. Summe (Director) | $1.1M | Oct 30, 2025 | SEC filing |
| Emmanuel Ligner (CEO) | $993K | Nov 17, 2025 | SEC filing |
| Sanjeev K. Mehra (Director) | $3.9M | Dec 5, 2025 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 3, 2026, 5:17 PM ET 8-K | Executive or director change (Item 5.02) | SEC filing | |
| Oct 28, 2026, 6:08 AM ET 8-K | Earnings released (Item 2.02) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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