WEST PHARMACEUTICAL SERVICES INC
WST · Surgical & Medical Instruments & Apparatus · 70.6M shares · -0%/yr ↓ buyback · EDGAR filings ↗
Net buyback after stock comp: $415M (gross $438M, SBC $23M)
Reference price $305.20 · est. market cap ~$21.6B — last insider sale, 2026-04-27 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
A82High-quality pharma packaging/components maker with elite returns, strong FCF, and almost no debt.
Strengths
- Elite returns/margins — operating margin 19% (92nd), ROA 12% (91st)
- Strong FCF — FCF $469M (93rd)
- Near debt-free — D/E 0.1
Risks
- Pharma destocking cyclicality — per 10-K
- Injectables customer concentration — per 10-K
- Premium valuation — per 10-K
Notable findings
- Cyber incidentRecent 8-K item 1.05 8-K ↗
- Exec changeRecent 8-K item 5.02 8-K ↗
- Fund exitedNotable fund(s) exited this quarter: VANGUARD GROUP INC
- Strong balance sheetStrong balance sheet — $791M cash & investments
- Notable holderHeld by 6 notable fund(s): STATE STREET CORP, FMR LLC, GOLDMAN SACHS GROUP INC +3 more (as of 2026-03-31)
- Insider sellingInsider selling — 2 open-market sale(s) by 2 insider(s) (cluster of 2 insiders, ~$1M, last 6mo) Form 4 ↗
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Gross margin
35.9%
Operating margin
19.0%
Net margin
16.1%
Return on equity
15.5%
Return on assets
11.6%
ROIC
13.7%
Revenue growth (QoQ)
5.0%
Net-income growth
0.2%
Debt / equity
0.1×
Net debt / EBITDA
-0.8×
Current ratio
3.0×
Free cash flow
$469M
EBITDA
$756M
Tangible book value
$3.1B
Cash & investments
$791M
Stock comp / revenue
0.8%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-05-12 | Campbell Shane Alden | Tax withheld | 84 | $312.07 |
| 2026-05-12 | Campbell Shane Alden | Option exercise | 296 | — |
| 2026-05-12 | Campbell Shane Alden | Option exercise | 474 | — |
| 2026-05-12 | Campbell Shane Alden | Tax withheld | 135 | $312.07 |
| 2026-05-04 | Pucci Paolo | Grant | 791 | — |
| 2026-05-04 | Michels Douglas A | Grant | 791 | — |
| 2026-05-04 | Lockhart Stephen H | Grant | 791 | — |
| 2026-05-04 | LAI GOLDMAN MYLA | Grant | 791 | — |
| 2026-05-04 | Keller Deborah L | Grant | 791 | — |
| 2026-05-04 | Joseph Molly | Grant | 791 | — |
| 2026-05-04 | HAUGEN JANET BRUTSCHEA | Grant | 791 | — |
| 2026-05-04 | FRIEL ROBERT F | Grant | 791 | — |
| 2026-05-04 | Feehery William F | Grant | 791 | — |
| 2026-05-04 | BUTHMAN MARK A | Grant | 791 | — |
| 2026-04-27 | Favorite Annette F | Option exercise | 2.8K | $83.47 |
| 2026-04-27 | Favorite Annette F | Sell | 2.8K | $305.20 |
| 2026-04-27 | Winters Chad | Option exercise | 896 | $173.22 |
| 2026-04-27 | Winters Chad | Sell | 896 | $300.67 |
| 2026-02-20 | Poussot Rodolphe Jean | Option exercise | 383 | — |
| 2026-02-20 | Poussot Rodolphe Jean | Tax withheld | 130 | $241.12 |
| 2026-02-20 | Witherspoon Charles | Option exercise | 60 | — |
| 2026-02-20 | Witherspoon Charles | Tax withheld | 22 | $241.12 |
| 2026-02-20 | Winters Chad | Option exercise | 89 | — |
| 2026-02-20 | Winters Chad | Tax withheld | 30 | $241.12 |
| 2026-02-18 | Poussot Rodolphe Jean | Tax withheld | 28 | $248.26 |
| 2026-02-18 | Poussot Rodolphe Jean | Option exercise | 82 | — |
| 2026-02-18 | Green Eric Mark | Option exercise | 1.3K | — |
| 2026-02-18 | Green Eric Mark | Tax withheld | 574 | $248.26 |
| 2026-02-18 | Favorite Annette F | Option exercise | 135 | — |
| 2026-02-18 | Favorite Annette F | Tax withheld | 36 | $248.26 |
| 2026-02-17 | Green Eric Mark | Grant | 4.4K | — |
| 2026-02-17 | Green Eric Mark | Tax withheld | 1.3K | $243.19 |
| 2026-02-17 | Favorite Annette F | Grant | 442 | — |
| 2026-02-17 | Favorite Annette F | Tax withheld | 150 | $243.19 |
| 2026-02-17 | Witherspoon Charles | Grant | 116 | — |
| 2026-02-17 | Witherspoon Charles | Tax withheld | 42 | $243.19 |
| 2026-02-17 | Winters Chad | Grant | 150 | — |
| 2026-02-17 | Winters Chad | Tax withheld | 51 | $243.19 |
| 2026-02-11 | McMahon Robert W. | Option exercise | 4.2K | — |
| 2026-02-11 | McMahon Robert W. | Tax withheld | 1.3K | $246.16 |
| 2025-05-06 | Michels Douglas A | Grant | 1.1K | — |
| 2025-05-06 | Pucci Paolo | Grant | 1.1K | — |
| 2025-05-06 | HAUGEN JANET BRUTSCHEA | Grant | 1.1K | — |
| 2025-05-06 | FRIEL ROBERT F | Grant | 1.1K | — |
| 2025-05-06 | LAI GOLDMAN MYLA | Grant | 1.1K | — |
| 2025-05-06 | Joseph Molly | Grant | 1.1K | — |
| 2025-05-06 | Hofmann Thomas W | Grant | 1.1K | — |
| 2025-05-06 | Keller Deborah L | Grant | 1.1K | — |
| 2025-05-06 | Feehery William F | Grant | 1.1K | — |
| 2025-05-06 | Lockhart Stephen H | Grant | 1.1K | — |
| 2025-05-06 | BUTHMAN MARK A | Grant | 1.1K | — |
| 2025-02-18 | Birkett Bernard | Option exercise | 779 | $211.00 |
| 2025-02-18 | Birkett Bernard | Tax withheld | 238 | $211.00 |
| 2025-02-18 | Birkett Bernard | Option exercise | 125 | $211.00 |
| 2025-02-18 | Birkett Bernard | Tax withheld | 36 | $211.00 |
| 2025-02-18 | Reiss-Clark Cindy | Option exercise | 246 | $211.00 |
| 2025-02-18 | Reiss-Clark Cindy | Tax withheld | 83 | $211.00 |
| 2025-02-18 | MacKay Kimberly Banks | Option exercise | 246 | $211.00 |
| 2025-02-18 | MacKay Kimberly Banks | Tax withheld | 93 | $211.00 |
| 2025-02-18 | Favorite Annette F | Option exercise | 246 | $211.00 |
| 2025-02-18 | Favorite Annette F | Tax withheld | 84 | $211.00 |
| 2025-02-18 | Witherspoon Charles | Option exercise | 66 | $211.00 |
| 2025-02-18 | Witherspoon Charles | Tax withheld | 23 | $211.00 |
| 2025-02-18 | Winters Chad | Option exercise | 82 | $211.00 |
| 2025-02-18 | Winters Chad | Tax withheld | 28 | $211.00 |
| 2025-02-18 | Green Eric Mark | Option exercise | 2.5K | $211.00 |
| 2025-02-18 | Green Eric Mark | Tax withheld | 700 | $211.00 |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-06-01 | Exec/director changeReg FDExhibits | filing ↗ |
| 2026-05-20 | CybersecurityExhibits | filing ↗ |
| 2026-05-11 | CybersecurityReg FDExhibits | filing ↗ |
| 2026-05-05 | Shareholder voteExhibits | filing ↗ |
| 2026-04-23 | ResultsReg FDExhibits | filing ↗ |
| 2026-03-09 | Exec/director changeReg FDExhibits | filing ↗ |
| 2026-02-12 | ResultsReg FDExhibits | filing ↗ |
| 2025-10-23 | ResultsReg FDExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-06-01 | 2026-05-31 | 0000105770-26-000080 ↗ |
| 8-K/A | 2026-05-20 | 2026-05-07 | 0000105770-26-000077 ↗ |
| 8-K | 2026-05-11 | 2026-05-07 | 0000105770-26-000068 ↗ |
| 8-K | 2026-05-05 | 2026-05-04 | 0000105770-26-000056 ↗ |
| 10-Q | 2026-04-23 | 2026-03-31 | 0000105770-26-000049 ↗ |
| 8-K | 2026-04-23 | 2026-04-23 | 0000105770-26-000047 ↗ |
| 8-K | 2026-03-09 | 2026-03-09 | 0000105770-26-000041 ↗ |
| 10-K | 2026-02-17 | 2025-12-31 | 0000105770-26-000010 ↗ |
| 8-K | 2026-02-12 | 2026-02-12 | 0000105770-26-000005 ↗ |
| 10-Q | 2025-10-23 | 2025-09-30 | 0000105770-25-000093 ↗ |
| 8-K | 2025-10-23 | 2025-10-23 | 0000105770-25-000090 ↗ |
| 8-K | 2025-09-11 | 2025-09-11 | 0000105770-25-000083 ↗ |