Quick Takeaways
- William R. Jellison has 4 issuer positions tracked on this page.
- Estimated disclosed ownership value: $3,645,758.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of William R. Jellison
- Location
- Kalamazoo, MI
- Summary
- The estimated net worth of William R. Jellison is at least $3,645,758 dollars as of 02 Apr 2026. William R. Jellison is the Director of AVIENT CORP and owns shares of AVIENT CORP (AVNT) stock worth about $2.18M. William R. Jellison is the Director of MASIMO CORP and owns shares of MASIMO CORP (MASI) stock worth about $740.5K. William R. Jellison is the Director of Medtronic plc and owns shares of Medtronic plc (MDT) stock worth about $461.8K. William R. Jellison is the Director of Anika Therapeutics, Inc. and owns shares of Anika Therapeutics, Inc. (ANIK) stock worth about $259.7K.
- Signature
- By: /s/ Robert K. James, Power of Attorney for William R. Jellison
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow William R. Jellison and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: AVIENT CORP ($2,183,745).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Official SEC Source
Filed on Form 4
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
See Original FilingOwnership of William R. Jellison
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| AVNT | AVIENT CORP | Director | $2,183,745 | 31 Mar 2026 | ||
| MASI | MASIMO CORP | Director | $740,486 | +$437,940 | +145% | 11 Aug 2025 |
| MDT | Medtronic plc | Director | $461,850 | +$462,750 | +100% | 22 Aug 2025 |
| ANIK | Anika Therapeutics, Inc. | Director | $259,677 | 20 Jun 2025 |
Insider Transactions Reported by William R. Jellison:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.