Profile
| Role | Director |
|---|---|
| Notability | 20/100 |
Board memberships
- Medtronic plc
- Anika Therapeutics, Inc.
- Avient Corp
- Masimo Corp
Updated Jul 16, 2026
Jellison William R has filed 2 SEC Form 4 filings across 2 companies in the last 90 days — buying. Lifetime open-market purchases: $901K. Historical track record: 3/5 stars across 3 tracked purchases.
| Role | Director |
|---|---|
| Notability | 20/100 |
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 | ★★★☆☆ (3/5) |
|---|---|
| Total purchases tracked | 3 |
| Purchases with forward-return data | 3 |
| 30-day win rate | 6667% |
| 90-day win rate | 6667% |
| Avg 5-day return | +171.37% |
| Avg 30-day return | +167.61% |
| Avg 90-day return | +577.99% |
| Best 30-day return | +402.00% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-02 | AVNT | AVIENT CORP | A — Grant or award | 1.0K | $0.00 | |
| 2026-04-29 | MDT | Medtronic plc | A — Grant or award | 1.4K | $0.00 | |
| 2026-04-02 | AVNT | AVIENT CORP | A — Grant or award | 1.1K | $0.00 | |
| 2026-01-05 | AVNT | AVIENT CORP | A — Grant or award | 1.2K | $0.00 | |
| 2025-09-30 | AVNT | AVIENT CORP | A — Grant or award | 1.2K | $0.00 | |
| 2025-08-22 | MDT | Medtronic plc | P — Open-market purchase | 2.5K | $92.37 | $231K |
| 2025-08-22 | MDT | Medtronic plc | P — Open-market purchase | 2.5K | $92.73 | $232K |
| 2025-08-11 | MASI | MASIMO CORP | P — Open-market purchase | 3.0K | $145.98 | $438K |
| 2025-06-30 | AVNT | AVIENT CORP | A — Grant or award | 1.2K | $0.00 | |
| 2025-06-20 | ANIK | Anika Therapeutics, Inc. | A — Grant or award | 14.2K | $0.00 | |
| 2025-04-29 | MASI | MASIMO CORP | A — Grant or award | 1.8K | $0.00 | |
| 2025-03-31 | AVNT | AVIENT CORP | A — Grant or award | 1.1K | $0.00 | |
| 2024-10-02 | AVNT | AVIENT CORP | A — Grant or award | 775 | $0.00 |
Jellison William R is a corporate insider — currently tracked as Director of AVIENT CORP (AVNT). InsiderAlpha tracks every SEC Form 4 filing in real time.
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 3 open-market purchases ($901K) and 0 open-market sales () across all tracked filings.
Across 3 tracked purchases, Jellison William R averaged +167.6% avg 30-day return with a 6667% 30-day win rate. InsiderAlpha rates the track record at 3/5 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 Jellison William R profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.