Quick Takeaways
- Robert W. McMahon has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value: $23,839,730.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Robert W. McMahon
- Location
- Santa Clara, CA
- Summary
- The estimated net worth of Robert W. McMahon is at least $23,839,730 dollars as of 03 Mar 2026. Robert W. McMahon is the Sr. VP and CFO of AGILENT TECHNOLOGIES, INC. and owns shares of AGILENT TECHNOLOGIES, INC. (A) stock worth about $21.07M. Robert W. McMahon is the SVP & Chief Financial Officer of WEST PHARMACEUTICAL SERVICES INC and owns shares of WEST PHARMACEUTICAL SERVICES INC (WST) stock worth about $2.45M. Robert W. McMahon is the Director of ORASURE TECHNOLOGIES INC and owns shares of ORASURE TECHNOLOGIES INC (OSUR) stock worth about $320.2K.
- Signature
- /s/ Caitlin Hippeli, as an agent for Robert W. McMahon
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Robert W. McMahon 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: AGILENT TECHNOLOGIES, INC. ($21,070,578).
- 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 Robert W. McMahon
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| A | AGILENT TECHNOLOGIES, INC. | Sr. VP and CFO | $21,070,578 | 22 May 2025 | ||
| WST | WEST PHARMACEUTICAL SERVICES INC | SVP & Chief Financial Officer | $2,448,912 | 01 Mar 2026 | ||
| OSUR | ORASURE TECHNOLOGIES INC | Director | $320,240 | 31 Jul 2025 |
Insider Transactions Reported by Robert W. McMahon:
| 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.