Key facts
- This page summarizes Robert W. McMahon's Form 4 filing for WEST PHARMACEUTICAL SERVICES INC (WST).
- 2 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 03 Mar 2026, 11:26.
Robert W. McMahon - 01 Mar 2026 Form 4 Insider Report for WEST PHARMACEUTICAL SERVICES INC (WST)
- Reporting relationship
- SVP & Chief Financial Officer
- Issuer ticker
- WST
- Reported as of
- 01 Mar 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 03 Mar 2026, 11:26:41 UTC
- Prior SEC filing
- 12 Feb 2026
- Next SEC filing
- 14 May 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Caitlin Hippeli, as an agent for Robert W. McMahon
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Robert W. McMahon filed Form 4 for WEST PHARMACEUTICAL SERVICES INC (WST) on 03 Mar 2026.
Change
- Previous filing in this sequence was filed on 12 Feb 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001608730
Primary reporting owner
McMahon Robert W.
- Relationship
- SVP & Chief Financial Officer
- Address
- 530 HERMAN O. WEST DRIVE, EXTON
- Signature
- /s/ Caitlin Hippeli, as an agent for Robert W. McMahon
- Signature date
- 03 Mar 2026
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
WST
transaction
Derivative
Rst. Stock Unit
Award
- Transaction value
- $0
- Shares
- +3,082
- Change %
- Price
- $0.000000
- Shares after
- 3,082
- Date
- 01 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 3,082
- Exercise price
- Footnotes
- F1, F2
WST
transaction
Derivative
Stock Option (Right to Buy)
Award
- Transaction value
- $0
- Shares
- +7,337
- Change %
- Price
- $0.000000
- Shares after
- 7,337
- Date
- 01 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 7,337
- Exercise price
- $254.34
- Footnotes
- F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
Each restricted stock unit represents a contingent right to receive one share of WST common stock.
Footnote F2
The restricted stock units vest in four equal annual installments beginning on March 1, 2027.
Footnote F3
The stock option vests in four equal annual installments beginning on March 1, 2027.