WST Insider Trading
WEST PHARMACEUTICAL SERVICES INC | Surgical & Medical Instruments & Apparatus
Comprehensive Trading Performance Summary
The investment history of corporate insiders at WEST PHARMACEUTICAL SERVICES INC provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Surgical & Medical Instruments & Apparatus sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2024-10-31 19:05 | 2024-10-29 | Witherspoon Charles | Officer - VP & Treasurer | OPT+S | $310.40 | 703 | $218,211 | 1,253 | 0.0% |
| 2024-08-22 00:02 | 2024-08-19 | Witherspoon Charles | Officer - VP & Treasurer | OPT+S | $300.00 | 1,029 | $308,700 | 1,478 | 0.0% |
| 2024-08-21 23:51 | 2024-05-10 | Hofmann Thomas W | Director | SELL | $365.92 | 617 | $225,773 | 43,565 | -1.4% |
| 2024-08-08 23:16 | 2024-08-06 | Green Eric Mark | Director, Officer - President, CEO and Board Chair | OPT+S | $304.71 | 30,732 | $9,364,409 | 161,898 | 0.0% |
| 2024-06-13 23:46 | 2024-06-12 | Abraham Silji | Officer - SVP, Chief Technology Officer | SELL | $330.78 | 1,800 | $595,404 | 2,860 | -38.6% |
| 2024-05-09 22:38 | 2024-05-07 | Green Eric Mark | Director, Officer - President, CEO and Board Chair | OPT+S | $366.65 | 66,000 | $24,199,052 | 152,908 | 0.0% |
| 2024-03-12 18:46 | 2024-03-11 | Winters Chad | Officer - VP, Chief Accounting Officer | OPT+S | $358.82 | 815 | $292,436 | 1,309 | 0.0% |
| 2024-03-01 21:07 | 2024-02-28 | Witherspoon Charles | Officer - VP & Treasurer | OPT+S | $358.62 | 2,019 | $724,061 | 1,979 | 0.0% |
| 2024-03-01 00:35 | 2024-02-27 | Green Eric Mark | Director, Officer - President, CEO and Board Chair | OPT+S | $359.85 | 64,132 | $23,077,971 | 152,908 | 0.0% |
| 2024-02-27 19:37 | 2024-02-23 | Abraham Silji | Officer - SVP, Chief Technology Officer | OPT+S | $365.00 | 7,012 | $2,559,380 | 4,660 | 0.0% |
| 2023-12-21 20:54 | 2023-12-04 | Winters Chad | Officer - VP, Chief Accounting Officer | OPT+S | $349.00 | 1,013 | $353,541 | 1,270 | 0.0% |
| 2023-12-06 03:33 | 2023-12-01 | Winters Chad | Officer - VP, Chief Accounting Officer | OPT+S | $349.00 | 1,013 | $353,541 | 1,270 | 0.0% |
| 2023-11-02 20:37 | 2023-10-31 | Witherspoon Charles | Officer - VP & Treasurer | OPT+S | $322.37 | 1,190 | $383,623 | 1,835 | 0.0% |
| 2023-09-01 22:46 | 2023-08-30 | Favorite Annette F | Officer - Sr. VP & Chief HR Officer | OPT+S | $414.64 | 2,000 | $829,277 | 14,877 | 0.0% |
| 2023-08-25 02:24 | 2023-08-22 | Reiss-Clark Cindy | Officer - Chief Commercial Officer | OPT+S | $393.34 | 3,477 | $1,367,643 | 4,320 | 0.0% |
| 2023-08-15 21:50 | 2023-08-11 | Lai Quintin J | Officer - VP Strat & Investor Relations | OPT+S | $395.12 | 21,101 | $8,337,486 | 18,307 | 0.0% |
| 2023-08-11 23:52 | 2023-08-09 | Witherspoon Charles | Officer - VP & Treasurer | OPT+S | $396.54 | 1,680 | $666,187 | 1,829 | 0.0% |
| 2023-08-10 23:31 | 2023-08-08 | Abraham Silji | Officer - SVP, Chief Technology Officer | OPT+S | $397.18 | 8,160 | $3,240,972 | 4,209 | 0.0% |
| 2023-08-10 21:50 | 2023-08-08 | Green Eric Mark | Director, Officer - President & CEO | OPT+S | $394.77 | 44,000 | $17,369,818 | 140,574 | 0.0% |
| 2023-08-08 22:49 | 2023-08-02 | Birkett Bernard | Officer - Sr VP, Chief Fin & Ops Off | OPT+S | $370.39 | 22,334 | $8,272,217 | 4,366 | 0.0% |
| 2023-05-31 23:38 | 2023-05-30 | Witherspoon Charles | Officer - VP & Treasurer | OPT+S | $343.05 | 1,000 | $343,050 | 1,829 | 0.0% |
| 2023-05-11 20:53 | 2023-05-09 | Green Eric Mark | Director, Officer - President & CEO | OPT+S | $363.10 | 44,000 | $15,976,523 | 134,574 | 0.0% |
| 2023-05-02 21:06 | 2023-05-01 | Hofmann Thomas W | Director | SELL | $365.58 | 1,212 | $443,077 | 43,616 | -2.7% |
| 2023-05-02 21:04 | 2023-05-01 | Abraham Silji | Officer - SVP, Chief Technology Officer | OPT+S | $365.60 | 8,020 | $2,932,117 | 4,209 | 0.0% |
| 2023-05-02 20:53 | 2023-05-01 | Favorite Annette F | Officer - Sr. VP & Chief HR Officer | OPT+S | $365.81 | 13,012 | $4,759,933 | 14,877 | 0.0% |
| 2023-03-22 23:41 | 2023-03-09 | Abraham Silji | Officer - SVP, Chief Technology Officer | SELL | $322.57 | 1,500 | $483,850 | 4,209 | -26.3% |
| 2023-03-10 00:42 | 2023-03-07 | Green Eric Mark | Director, Officer - President & CEO | OPT+S | $322.35 | 44,000 | $14,183,532 | 128,574 | 0.0% |
| 2022-12-08 16:38 | 2022-12-05 | Green Eric Mark | Director, Officer - President & CEO | OPT+S | $238.99 | 44,000 | $10,515,520 | 114,922 | 0.0% |
| 2022-08-03 22:24 | 2022-08-02 | Birkett Bernard | Officer - Sr VP, CFO & COO | SELL | $341.19 | 14,174 | $4,836,074 | 795 | -94.7% |
| 2022-08-03 19:25 | 2022-08-01 | Abraham Silji | Officer - Chief Digital & Trans Officer | SELL | $343.93 | 5,374 | $1,848,306 | 3,201 | -62.7% |
| 2022-03-16 18:16 | 2022-03-14 | Lai Quintin J | Officer - VP Corp Development & Strategy | OPT+S | $371.69 | 8,016 | $2,979,492 | 5,372 | 0.0% |
| 2021-09-14 17:45 | 2021-09-10 | Lai Quintin J | Officer - VP Corp Development & Strategy | OPT+S | $460.76 | 9,672 | $4,456,451 | 2,234 | 0.0% |
| 2021-05-10 23:49 | 2021-05-10 | Abraham Silji | Officer - Chief Digital & Trans Officer | SELL | $335.00 | 2,171 | $727,285 | 6,077 | -26.3% |
| 2020-11-10 02:36 | 2020-11-06 | MILLER GEORGE LLOYD | Officer - Sr. VP, GC & Corp. Sec. | OPT+S | $296.67 | 9,000 | $2,670,041 | 7,540 | 0.0% |
| 2020-10-22 22:59 | 2017-11-10 | ZENNER PATRICK J | Director | SELL | $106.16 | 446 | $47,348 | 66,140 | -0.7% |
| 2020-10-22 22:59 | 2017-10-17 | ZENNER PATRICK J | Director | BUY | $97.42 | 446 | $43,448 | 66,251 | +0.7% |
| 2020-07-31 01:22 | 2020-07-28 | MONTECALVO DAVID A | Officer - SVP, Glob Ops and Supply Chain | OPT+S | $265.91 | 17,781 | $4,728,060 | 6,309 | 0.0% |
| 2020-05-12 21:11 | 2020-05-08 | Abraham Silji | Officer - Chief Digital & Trans Officer | OPT+S | $202.25 | 2,000 | $404,500 | 5,894 | 0.0% |
| 2020-05-06 00:13 | 2020-05-01 | MILLER GEORGE LLOYD | Officer - Sr. VP, GC & Corp. Sec. | SELL | $189.38 | 1,805 | $341,837 | 7,540 | -19.3% |
| 2020-04-30 19:10 | 2020-04-28 | Abraham Silji | Officer - Chief Digital & Trans Officer | OPT+S | $200.66 | 500 | $100,328 | 4,541 | 0.0% |
| 2020-04-29 23:48 | 2020-04-27 | Favorite Annette F | Officer - Sr. VP Human Resources Officer | OPT+S | $196.90 | 14,192 | $2,794,420 | 8,209 | 0.0% |
| 2019-05-01 17:21 | 2019-04-30 | Malone Daniel | Officer - Vice President & Controller | OPT+S | $123.03 | 4,458 | $548,477 | 29,020 | 0.0% |
| 2018-08-09 17:59 | 2018-08-07 | Flynn Karen | Officer - Sr VP & Chief Commercial Offic | OPT+S | $116.23 | 20,458 | $2,377,833 | 21,593 | 0.0% |
| 2018-06-13 01:00 | 2018-06-11 | Malone Daniel | Officer - Vice President & Controller | OPT+S | $97.24 | 5,000 | $486,200 | 29,020 | 0.0% |
| 2018-06-11 17:01 | 2018-06-08 | FEDERICI WILLIAM J | Officer - Sr. VP & CFO | OPT+S | $96.09 | 42,869 | $4,119,282 | 227,812 | 0.0% |
| 2018-05-18 00:20 | 2018-05-15 | ZENNER PATRICK J | Director | BUY | $88.89 | 275 | $24,444 | 56,540 | +0.5% |
| 2018-05-11 22:28 | 2018-05-09 | FEDERICI WILLIAM J | Officer - Sr. VP & CFO | OPT+S | $87.14 | 52,000 | $4,531,280 | 195,019 | 0.0% |
| 2017-12-13 01:02 | 2017-12-08 | FEDERICI WILLIAM J | Officer - Sr. VP & CFO | SELL | $99.01 | 21,000 | $2,079,210 | 190,493 | -9.9% |
| 2017-05-18 23:14 | 2017-05-18 | FEDERICI WILLIAM J | Officer - Sr. VP & CFO | OPT+S | $95.45 | 54,996 | $5,249,099 | 211,493 | 0.0% |
| 2017-05-02 18:24 | 2017-05-02 | Malone Daniel | Officer - Vice President & Controller | OPT+S | $93.31 | 4,124 | $384,816 | 29,020 | 0.0% |
How to Interpret $WST Trades
Not every insider transaction in WEST PHARMACEUTICAL SERVICES INC is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $WST shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for WST
Insider activity data for WEST PHARMACEUTICAL SERVICES INC is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $WST, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.