West Pharmaceutical Services (WST): Congress and insider trades
Who in Congress and inside the company traded WST, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- West Pharmaceutical Services (WST) is a listed stock on NYSE.
- 2 members of Congress filed 13 buys and 13 sells of WST, the latest published 2026-07-08 (8 July 2026).
- Insiders filed 0 open market buys worth $0 and 3 sells worth $3.9M, the latest filed 2026-09-10 (10 September 2026).
- Across 11 scored buys, Congress averaged +3.5% against the S&P 500 (SPY) over the 90 days after disclosure, with 45% of them ahead of the index. That result is not distinguishable from luck.
- Data as of 2026-09-29 (29 September 2026).
Congress trades in WST
as of 2026-07-08| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 8 Jul 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 34 | n/a |
| 11 Jun 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 13 | n/a |
| 12 Mar 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 32 | n/a |
| 15 May 2025 | Ro Khanna (D-CA) | buy | 1K–15K | 19 | +4.9% |
| 10 Nov 2023 | Ro Khanna (D-CA) | sell | 15K–50K | 13 | n/a |
| 14 Jun 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 20 | +8.7% |
| 14 Jun 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 20 | n/a |
| 12 Apr 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 24 | -3.6% |
| 9 Feb 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 29 | +31.5% |
| 7 Dec 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 33 | +34.4% |
| 17 Nov 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 21 | n/a |
| 11 Jul 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 20 | n/a |
| 15 Jun 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 31 | -5.1% |
| 15 Jun 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 36 | n/a |
| 8 Apr 2022 | Tommy Tuberville (R-AL) | sell | 1K–15K | 9 | n/a |
| 11 Mar 2022 | Ro Khanna (D-CA) | buy | 15K–50K | 19 | -14.4% |
| 11 Mar 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 22 | -14.4% |
| 9 Feb 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 19 | n/a |
| 9 Feb 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 18 | n/a |
| 9 Feb 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 28 | -14.9% |
| 8 Dec 2021 | Ro Khanna (D-CA) | sell | 1K–15K | 35 | n/a |
| 8 Dec 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 28 | -5.2% |
| 10 Nov 2021 | Ro Khanna (D-CA) | sell | 1K–15K | 33 | n/a |
| 16 Sep 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 28 | -6.5% |
| 16 Sep 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 29 | -6.5% |
| 24 Jul 2021 | Tommy Tuberville (R-AL) | buy | 1K–15K | 116 | +8.5% |
Nothing matches that search.
Insider trades in WST
as of 2026-09-10| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 10 Sep 2026 | Favorite Annette F | sell | 8,135 | $340.81 | $2.8M | n/a |
| 29 Apr 2026 | Favorite Annette F | sell | 2,817 | $305.20 | $860K | n/a |
| 29 Apr 2026 | Winters Chad | sell | 896 | $300.67 | $269K | n/a |
Nothing matches that search.
Related pages
Frequently asked questions
Who has bought WST?
13 Congress buys by 2 members and 0 insider buys are on file. The tables on this page list every one.
Did buying WST after a disclosure beat the market?
Across 11 scored buys, Congress averaged +3.5% against the S&P 500 (SPY) over the 90 days after disclosure, with 45% of them ahead of the index. That result is not distinguishable from luck. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.