Quick Takeaways
- Peter C. Richardson has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value is not available.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Peter C. Richardson
- Location
- Valencia, CA
- Signature
- /s/ Mark Tyndall, Attorney-in-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Peter C. Richardson and return when a new Insider Trading filing changes the record on this page.
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What Changed
- Largest disclosed position: ANTARES PHARMA, INC. ().
- 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.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Peter C. Richardson
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| ATRS | ANTARES PHARMA, INC. | EVP, Research and Development and Chief Medical Officer | 24 May 2022 | |||
| Mallinckrodt plc | EVP & Chief Scientific Officer | 31 Jul 2025 |
Insider Transactions Reported by Peter C. Richardson:
| 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.