Updated Jul 16, 2026
LUCIER GREGORY T has filed 4 SEC Form 4 filings across 3 companies in the last 90 days — buying. Lifetime open-market purchases: $1.55M. Historical track record: 1/5 stars across 6 tracked purchases.

Gregory T. Lucier is an American corporate director with governance experience across the healthcare and life sciences sectors. As of the 2026-05-11 SEC filings, he serves on the boards of Avantor, Inc., DENTSPLY SIRONA Inc., and MARAVAI Lifesciences Holdings, Inc. He is known for providing strategic oversight and executive-level governance to large publicly traded companies in the life sciences space.
| Role | Director |
|---|---|
| Notability | 62/100 |
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.
| InsiderAlpha rating | ★☆☆☆☆ (1/5) |
|---|---|
| Total purchases tracked | 6 |
| Purchases with forward-return data | 6 |
| 30-day win rate | 3333% |
| 90-day win rate | 3333% |
| Avg 5-day return | -278.36% |
| Avg 30-day return | -777.24% |
| Avg 90-day return | -1403.10% |
| Best 30-day return | +716.63% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-10 | MRVI | MARAVAI LIFESCIENCES HOLDINGS, INC. | G — Bona-fide gift | 46.3K | $0.00 | |
| 2026-06-10 | MRVI | MARAVAI LIFESCIENCES HOLDINGS, INC. | G — Bona-fide gift | 46.3K | $0.00 | |
| 2026-06-05 | XRAY | DENTSPLY SIRONA Inc. | G — Bona-fide gift | 38.4K | $0.00 | |
| 2026-06-05 | XRAY | DENTSPLY SIRONA Inc. | G — Bona-fide gift | 38.4K | $0.00 | |
| 2026-06-05 | XRAY | DENTSPLY SIRONA Inc. | A — Grant or award | 38.4K | $0.00 | |
| 2026-05-28 | MRVI | MARAVAI LIFESCIENCES HOLDINGS, INC. | A — Grant or award | 46.3K | $4.38 | $203K |
| 2026-05-11 | AVTR | Avantor, Inc. | P — Open-market purchase | 10.0K | $8.32 | $83K |
| 2026-05-11 | AVTR | Avantor, Inc. | A — Grant or award | 25.3K | $0.00 | |
| 2026-03-09 | XRAY | DENTSPLY SIRONA Inc. | P — Open-market purchase | 15.0K | $12.45 | $187K |
| 2026-03-04 | XRAY | DENTSPLY SIRONA Inc. | P — Open-market purchase | 22.4K | $14.03 | $315K |
| 2026-03-04 | XRAY | DENTSPLY SIRONA Inc. | P — Open-market purchase | 27.6K | $14.24 | $393K |
| 2026-02-24 | AVTR | Avantor, Inc. | P — Open-market purchase | 50.0K | $9.16 | $458K |
| 2026-01-13 | XRAY | DENTSPLY SIRONA Inc. | A — Grant or award | 341 | $0.00 | |
| 2025-10-10 | XRAY | DENTSPLY SIRONA Inc. | A — Grant or award | 310 | $0.00 | |
| 2025-10-03 | AVTR | Avantor, Inc. | A — Grant or award | 8.7K | $0.00 | |
| 2025-08-08 | XRAY | DENTSPLY SIRONA Inc. | G — Bona-fide gift | 24.0K | $0.00 | |
| 2025-08-08 | XRAY | DENTSPLY SIRONA Inc. | G — Bona-fide gift | 24.0K | $0.00 | |
| 2025-08-08 | XRAY | DENTSPLY SIRONA Inc. | A — Grant or award | 3.9K | $0.00 | |
| 2025-07-11 | XRAY | DENTSPLY SIRONA Inc. | A — Grant or award | 203 | $0.00 | |
| 2025-07-10 | MRVI | MARAVAI LIFESCIENCES HOLDINGS, INC. | G — Bona-fide gift | 89.1K | $0.00 |
Gregory T. Lucier is an American corporate director with governance experience across the healthcare and life sciences sectors. As of the 2026-05-11 SEC filings, he serves on the boards of Avantor, Inc., DENTSPLY SIRONA Inc., and MARAVAI Lifesciences Holdings, Inc. He is known for providing strategic oversight and executive-level governance to large publicly traded companies in…
4 primary Form 4 filings in the last 90 days, covering 3 companies.
Recorded transactions: 7 open-market purchases ($1.55M) and 0 open-market sales () across all tracked filings.
Across 6 tracked purchases, LUCIER GREGORY T averaged -777.2% avg 30-day return with a 3333% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live LUCIER GREGORY T profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.