West Pharmaceutical Services insider activity
What the executives and directors of West Pharmaceutical Services actually did with their own shares, decoded from their SEC Form 4 filings. Each figure says the stretch of time it covers.
−$6.6M
net open-market flow, 12 m
0 open-market buys, 12 m
40.6%
of sale value on 10b5-1 plans, 12 m
2,762 days since an insider bought, whole record
The tape: three years of insider trades
Open-market buy
Discretionary sale
Planned sale (10b5-1)
Reported-price path
Routine
Every marker sits at the price reported on the Form 4. The line is the monthly median of all prices insiders reported, so the chart needs no market feed; the grey strip is the routine flow (grants, vestings, tax withholding and gifts) that a headline gets wrong by counting it as selling.
The 73 routine events on the chart, as a list
| Date | Insider | Shares |
|---|---|---|
| Sep 15, 2026 | Favorite Annette F | 5,024 |
| Sep 11, 2026 | Favorite Annette F | 11K |
| Aug 11, 2026 | McMahon Robert W. | 10K |
| May 12, 2026 | Campbell Shane Alden | 989 |
| May 4, 2026 | LAI GOLDMAN MYLA | 791 |
| May 4, 2026 | HAUGEN JANET BRUTSCHEA | 791 |
| May 4, 2026 | BUTHMAN MARK A | 791 |
| May 4, 2026 | FRIEL ROBERT F | 791 |
| May 4, 2026 | Michels Douglas A | 791 |
| May 4, 2026 | Keller Deborah L | 791 |
| May 4, 2026 | Pucci Paolo | 791 |
| May 4, 2026 | Feehery William F | 791 |
| May 4, 2026 | Joseph Molly | 791 |
| May 4, 2026 | Lockhart Stephen H | 791 |
| Apr 27, 2026 | Favorite Annette F | 2,817 |
| Apr 27, 2026 | Winters Chad | 896 |
| Feb 20, 2026 | Witherspoon Charles | 240 |
| Feb 20, 2026 | Winters Chad | 320 |
| Feb 20, 2026 | Poussot Rodolphe Jean | 623 |
| Feb 18, 2026 | Green Eric Mark | 7,617 |
| Feb 18, 2026 | Favorite Annette F | 764 |
| Feb 11, 2026 | McMahon Robert W. | 5,481 |
| May 6, 2025 | LAI GOLDMAN MYLA | 1,071 |
| May 6, 2025 | Hofmann Thomas W | 1,071 |
| May 6, 2025 | HAUGEN JANET BRUTSCHEA | 1,071 |
| May 6, 2025 | BUTHMAN MARK A | 1,071 |
| May 6, 2025 | FRIEL ROBERT F | 1,071 |
| May 6, 2025 | Michels Douglas A | 1,071 |
| May 6, 2025 | Keller Deborah L | 1,071 |
| May 6, 2025 | Pucci Paolo | 1,071 |
| May 6, 2025 | Feehery William F | 1,071 |
| May 6, 2025 | Joseph Molly | 1,071 |
| May 6, 2025 | Lockhart Stephen H | 1,071 |
| Feb 18, 2025 | Green Eric Mark | 3,161 |
| Feb 18, 2025 | Favorite Annette F | 330 |
| Feb 18, 2025 | Birkett Bernard | 1,178 |
| Feb 18, 2025 | Witherspoon Charles | 89 |
| Feb 18, 2025 | Winters Chad | 110 |
| Feb 18, 2025 | MacKay Kimberly Banks | 339 |
| Feb 18, 2025 | Reiss-Clark Cindy | 329 |
| Dec 16, 2024 | HAUGEN JANET BRUTSCHEA | 671 |
| Oct 29, 2024 | Witherspoon Charles | 478 |
| Oct 29, 2024 | Abraham Silji | 638 |
| Aug 19, 2024 | Witherspoon Charles | 529 |
| Aug 6, 2024 | Green Eric Mark | 37K |
| May 7, 2024 | Green Eric Mark | 75K |
| Apr 23, 2024 | LAI GOLDMAN MYLA | 564 |
| Apr 23, 2024 | Hofmann Thomas W | 564 |
| Apr 23, 2024 | BUTHMAN MARK A | 564 |
| Apr 23, 2024 | FRIEL ROBERT F | 564 |
| Apr 23, 2024 | Michels Douglas A | 564 |
| Apr 23, 2024 | Keller Deborah L | 564 |
| Apr 23, 2024 | Pucci Paolo | 564 |
| Apr 23, 2024 | Feehery William F | 564 |
| Apr 23, 2024 | Joseph Molly | 564 |
| Apr 23, 2024 | Lockhart Stephen H | 564 |
| Mar 11, 2024 | Winters Chad | 675 |
| Feb 28, 2024 | Witherspoon Charles | 2,019 |
| Feb 27, 2024 | Green Eric Mark | 73K |
| Feb 23, 2024 | Abraham Silji | 7,658 |
Where the shares went, last 12 months
Every Form 4 movement decomposed: what flowed in (grants, vested equity, purchases) and what flowed out (tax withholding, plan sales, discretionary sales, gifts). Counted in shares, because grants carry no price.
The chart, in numbers
| Flow | Shares |
|---|---|
| Granted | 13K |
| Vested / exercised | 34K |
| Withheld for tax | 6,945 |
| Planned sales (10b5-1) | 7,524 |
| Discretionary sales | 12K |
| Kept | 20K |
Skin in the game
Directly held shares as reported after each trade, indexed to 100 at the start of the window, up to five years back. Direct holdings only: trust and family-entity positions are per-entity in the filings and do not sum honestly, so this chart refuses to guess. The steps are the trades.
The chart, in numbers
| Insider | Start of the window | Latest reported | Indexed, start = 100 |
|---|---|---|---|
| Green Eric Mark | 87K | 175K | 201.8 |
| Michels Douglas A | 43K | 46K | 108.3 |
| Hofmann Thomas W | 44K | 45K | 101 |
| BUTHMAN MARK A | 41K | 44K | 109.1 |
| Feehery William F | 29K | 33K | 111.7 |
Who holds what
the 14 largest holdings of 23| Insider | Role | Shares held | Buys 12 m | Sales 12 m | 12 m | Last trade |
|---|---|---|---|---|---|---|
| Green Eric Mark President, CEO and Board Chair Last trade Aug 6, 2024 | CEO | 176K | – | – | Aug 6, 2024 | |
| Michels Douglas A | Director | 46K | – | – | – | |
| Hofmann Thomas W Last trade May 10, 2024 | Director | 45K | – | – | May 10, 2024 | |
| BUTHMAN MARK A | Director | 44K | – | – | – | |
| Feehery William F | Director | 33K | – | – | – | |
| Favorite Annette F Sr. VP Human Resources Officer Last trade Sep 15, 2026 | Officer | 29K | – | $6.3M | net selling over the year: 0 months buying, 2 months selling | Sep 15, 2026 |
| LAI GOLDMAN MYLA | Director | 20K | – | – | – | |
| Pucci Paolo | Director | 12K | – | – | – | |
| Keller Deborah L | Director | 12K | – | – | – | |
| Birkett Bernard Sr VP, Chief Financial Officer Last trade Aug 2, 2023 | CFO | 7,669 | – | – | Aug 2, 2023 | |
| Lai Quintin J VP Strat & Investor Relations Last trade Aug 11, 2023 | Officer | 7,295 | – | – | Aug 11, 2023 | |
| FRIEL ROBERT F | Director | 5,513 | – | – | – | |
| Reiss-Clark Cindy Chief Commercial Officer Last trade Aug 22, 2023 | Officer | 5,131 | – | – | Aug 22, 2023 | |
| Joseph Molly | Director | 4,398 | – | – | – |
Open-market trade log
the 60 most recent of 416| Date | Insider | Type | Shares | Price | Value | Since trade | Filed |
|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | Favorite Annette F (Officer) 2,524 shares $365.00 −5.5% since trade filed Sep 15, 2026 | Planned sale (10b5-1) | 2,524 | $365.00 | $921K | −5.5% | Sep 15, 2026 |
| Sep 14, 2026 | Favorite Annette F (Officer) 2,500 shares $355.00 −2.8% since trade filed Sep 15, 2026 | Planned sale (10b5-1) | 2,500 | $355.00 | $888K | −2.8% | Sep 15, 2026 |
| Sep 11, 2026 | Favorite Annette F (Officer) 2,500 shares $345.00 +0.0% since trade filed Sep 15, 2026 | Planned sale (10b5-1) | 2,500 | $345.00 | $863K | +0.0% | Sep 15, 2026 |
| Sep 8, 2026 | Favorite Annette F (Officer) 2,500 shares $340.81 +1.2% since trade filed Sep 10, 2026 | Discretionary sale | 2,500 | $340.81 | $852K | +1.2% | Sep 10, 2026 |
| Sep 8, 2026 | Favorite Annette F (Officer) 2,817 shares $340.81 +1.2% since trade filed Sep 10, 2026 | Discretionary sale | 2,817 | $340.81 | $960K | +1.2% | Sep 10, 2026 |
| Sep 8, 2026 | Favorite Annette F (Officer) 2,818 shares $340.81 +1.2% since trade filed Sep 10, 2026 | Discretionary sale | 2,818 | $340.81 | $960K | +1.2% | Sep 10, 2026 |
| Apr 27, 2026 | Favorite Annette F (Officer) 2,817 shares $305.20 +13.0% since trade filed Apr 29, 2026 | Discretionary sale | 2,817 | $305.20 | $860K | +13.0% | Apr 29, 2026 |
| Apr 27, 2026 | Winters Chad (Officer) 896 shares $300.67 +14.7% since trade filed Apr 29, 2026 | Discretionary sale | 896 | $300.67 | $269K | +14.7% | Apr 29, 2026 |
| Oct 29, 2024 | Witherspoon Charles (Officer) 225 shares $310.40 +11.2% since trade filed Oct 31, 2024 | Discretionary sale | 225 | $310.40 | $70K | +11.2% | Oct 31, 2024 |
| Oct 29, 2024 | Witherspoon Charles (Officer) 478 shares $310.40 +11.2% since trade filed Oct 31, 2024 | Discretionary sale | 478 | $310.40 | $148K | +11.2% | Oct 31, 2024 |
| Aug 19, 2024 | Witherspoon Charles (Officer) 500 shares $300.00 +15.0% since trade filed Aug 21, 2024 | Discretionary sale | 500 | $300.00 | $150K | +15.0% | Aug 21, 2024 |
| Aug 19, 2024 | Witherspoon Charles (Officer) 529 shares $300.00 +15.0% since trade filed Aug 21, 2024 | Discretionary sale | 529 | $300.00 | $159K | +15.0% | Aug 21, 2024 |
| Aug 6, 2024 | Green Eric Mark (CEO) 31K shares $304.71 +13.2% since trade filed Aug 8, 2024 | Planned sale (10b5-1) | 31K | $304.71 | $9.4M | +13.2% | Aug 8, 2024 |
| Jun 12, 2024 | Abraham Silji (Officer) 1,800 shares $330.78 +4.3% since trade filed Jun 13, 2024 | Discretionary sale | 1,800 | $330.78 | $595K | +4.3% | Jun 13, 2024 |
| May 10, 2024 | Hofmann Thomas W (Director) 617 shares $365.92 −5.7% since trade filed Aug 21, 2024 late | Discretionary sale | 617 | $365.92 | $226K | −5.7% | Aug 21, 2024 late |
| May 7, 2024 | Green Eric Mark (CEO) 9,316 shares $366.64 −5.9% since trade filed Aug 8, 2024 late | Planned sale (10b5-1) | 9,316 | $366.64 | $3.4M | −5.9% | Aug 8, 2024 late |
| May 7, 2024 | Green Eric Mark (CEO) 16K shares $366.66 −5.9% since trade filed Aug 8, 2024 late | Planned sale (10b5-1) | 16K | $366.66 | $5.8M | −5.9% | Aug 8, 2024 late |
| May 7, 2024 | Green Eric Mark (CEO) 41K shares $366.65 −5.9% since trade filed Aug 8, 2024 late | Planned sale (10b5-1) | 41K | $366.65 | $15M | −5.9% | Aug 8, 2024 late |
| Mar 11, 2024 | Winters Chad (Officer) 815 shares $358.82 −3.9% since trade filed Mar 12, 2024 | Discretionary sale | 815 | $358.82 | $292K | −3.9% | Mar 12, 2024 |
| Feb 28, 2024 | Witherspoon Charles (Officer) 2,019 shares $358.62 −3.8% since trade filed Mar 1, 2024 | Discretionary sale | 2,019 | $358.62 | $724K | −3.8% | Mar 1, 2024 |
| Feb 27, 2024 | Green Eric Mark (CEO) 64K shares $359.85 −4.1% since trade filed Feb 29, 2024 | Planned sale (10b5-1) | 64K | $359.85 | $23M | −4.1% | Feb 29, 2024 |
| Feb 23, 2024 | Abraham Silji (Officer) 7,012 shares $365.00 −5.5% since trade filed Feb 27, 2024 | Discretionary sale | 7,012 | $365.00 | $2.6M | −5.5% | Feb 27, 2024 |
| Dec 4, 2023 | Winters Chad (Officer) 1,013 shares $349.00 −1.2% since trade filed Dec 21, 2023 late | Discretionary sale | 1,013 | $349.00 | $354K | −1.2% | Dec 21, 2023 late |
| Dec 1, 2023 | Winters Chad (Officer) 1,013 shares $349.00 −1.2% since trade filed Dec 5, 2023 | Discretionary sale | 1,013 | $349.00 | $354K | −1.2% | Dec 5, 2023 |
| Oct 31, 2023 | Witherspoon Charles (Officer) 594 shares $322.48 +7.0% since trade filed Nov 2, 2023 | Discretionary sale | 594 | $322.48 | $192K | +7.0% | Nov 2, 2023 |
| Oct 31, 2023 | Witherspoon Charles (Officer) 596 shares $322.27 +7.1% since trade filed Nov 2, 2023 | Discretionary sale | 596 | $322.27 | $192K | +7.1% | Nov 2, 2023 |
| Aug 30, 2023 | Favorite Annette F (Officer) 760 shares $414.20 −16.7% since trade filed Sep 1, 2023 | Discretionary sale | 760 | $414.20 | $315K | −16.7% | Sep 1, 2023 |
| Aug 30, 2023 | Favorite Annette F (Officer) 1,240 shares $414.91 −16.9% since trade filed Sep 1, 2023 | Discretionary sale | 1,240 | $414.91 | $514K | −16.9% | Sep 1, 2023 |
| Aug 22, 2023 | Reiss-Clark Cindy (Officer) 3,477 shares $393.34 −12.3% since trade filed Aug 24, 2023 | Discretionary sale | 3,477 | $393.34 | $1.4M | −12.3% | Aug 24, 2023 |
| Aug 11, 2023 | Lai Quintin J (Officer) 1,741 shares $396.12 −12.9% since trade filed Aug 15, 2023 | Discretionary sale | 1,741 | $396.12 | $690K | −12.9% | Aug 15, 2023 |
| Aug 11, 2023 | Lai Quintin J (Officer) 8,635 shares $395.54 −12.8% since trade filed Aug 15, 2023 | Discretionary sale | 8,635 | $395.54 | $3.4M | −12.8% | Aug 15, 2023 |
| Aug 11, 2023 | Lai Quintin J (Officer) 11K shares $394.62 −12.6% since trade filed Aug 15, 2023 | Discretionary sale | 11K | $394.62 | $4.2M | −12.6% | Aug 15, 2023 |
| Aug 9, 2023 | Witherspoon Charles (Officer) 1,680 shares $396.54 −13.0% since trade filed Aug 11, 2023 | Discretionary sale | 1,680 | $396.54 | $666K | −13.0% | Aug 11, 2023 |
| Aug 8, 2023 | Green Eric Mark (CEO) 100 shares $398.87 −13.5% since trade filed Aug 10, 2023 | Planned sale (10b5-1) | 100 | $398.87 | $40K | −13.5% | Aug 10, 2023 |
| Aug 8, 2023 | Green Eric Mark (CEO) 1,000 shares $389.62 −11.5% since trade filed Aug 10, 2023 | Planned sale (10b5-1) | 1,000 | $389.62 | $390K | −11.5% | Aug 10, 2023 |
| Aug 8, 2023 | Green Eric Mark (CEO) 1,100 shares $397.90 −13.3% since trade filed Aug 10, 2023 | Planned sale (10b5-1) | 1,100 | $397.90 | $438K | −13.3% | Aug 10, 2023 |
| Aug 8, 2023 | Green Eric Mark (CEO) 4,500 shares $392.16 −12.0% since trade filed Aug 10, 2023 | Planned sale (10b5-1) | 4,500 | $392.16 | $1.8M | −12.0% | Aug 10, 2023 |
| Aug 8, 2023 | Green Eric Mark (CEO) 6,700 shares $396.13 −12.9% since trade filed Aug 10, 2023 | Planned sale (10b5-1) | 6,700 | $396.13 | $2.7M | −12.9% | Aug 10, 2023 |
| Aug 8, 2023 | Green Eric Mark (CEO) 7,055 shares $393.13 −12.2% since trade filed Aug 10, 2023 | Planned sale (10b5-1) | 7,055 | $393.13 | $2.8M | −12.2% | Aug 10, 2023 |
| Aug 8, 2023 | Green Eric Mark (CEO) 7,532 shares $397.18 −13.1% since trade filed Aug 10, 2023 | Planned sale (10b5-1) | 7,532 | $397.18 | $3.0M | −13.1% | Aug 10, 2023 |
| Aug 8, 2023 | Green Eric Mark (CEO) 7,684 shares $395.07 −12.7% since trade filed Aug 10, 2023 | Planned sale (10b5-1) | 7,684 | $395.07 | $3.0M | −12.7% | Aug 10, 2023 |
| Aug 8, 2023 | Green Eric Mark (CEO) 8,329 shares $394.17 −12.5% since trade filed Aug 10, 2023 | Planned sale (10b5-1) | 8,329 | $394.17 | $3.3M | −12.5% | Aug 10, 2023 |
| Aug 8, 2023 | Abraham Silji (Officer) 6 shares $397.69 −13.3% since trade filed Aug 10, 2023 | Discretionary sale | 6 | $397.69 | $2K | −13.3% | Aug 10, 2023 |
| Aug 8, 2023 | Abraham Silji (Officer) 8,154 shares $397.18 −13.1% since trade filed Aug 10, 2023 | Discretionary sale | 8,154 | $397.18 | $3.2M | −13.1% | Aug 10, 2023 |
| Aug 2, 2023 | Birkett Bernard (Officer) 200 shares $371.03 −7.0% since trade filed Aug 8, 2023 late | Discretionary sale | 200 | $371.03 | $74K | −7.0% | Aug 8, 2023 late |
| Aug 2, 2023 | Birkett Bernard (Officer) 22K shares $370.38 −6.9% since trade filed Aug 8, 2023 late | Discretionary sale | 22K | $370.38 | $8.2M | −6.9% | Aug 8, 2023 late |
| May 30, 2023 | Witherspoon Charles (Officer) 1,000 shares $343.05 +0.6% since trade filed May 31, 2023 | Discretionary sale | 1,000 | $343.05 | $343K | +0.6% | May 31, 2023 |
| May 9, 2023 | Green Eric Mark (CEO) 500 shares $365.46 −5.6% since trade filed May 11, 2023 | Discretionary sale | 500 | $365.46 | $183K | −5.6% | May 11, 2023 |
| May 9, 2023 | Green Eric Mark (CEO) 4,133 shares $364.76 −5.4% since trade filed May 11, 2023 | Discretionary sale | 4,133 | $364.76 | $1.5M | −5.4% | May 11, 2023 |
| May 9, 2023 | Green Eric Mark (CEO) 13K shares $362.93 −4.9% since trade filed May 11, 2023 | Discretionary sale | 13K | $362.93 | $4.6M | −4.9% | May 11, 2023 |
| May 9, 2023 | Green Eric Mark (CEO) 13K shares $363.94 −5.2% since trade filed May 11, 2023 | Discretionary sale | 13K | $363.94 | $4.6M | −5.2% | May 11, 2023 |
| May 9, 2023 | Green Eric Mark (CEO) 14K shares $361.95 −4.7% since trade filed May 11, 2023 | Discretionary sale | 14K | $361.95 | $5.1M | −4.7% | May 11, 2023 |
| May 1, 2023 | Hofmann Thomas W (Director) 1,212 shares $365.58 −5.6% since trade filed May 2, 2023 | Discretionary sale | 1,212 | $365.58 | $443K | −5.6% | May 2, 2023 |
| May 1, 2023 | Favorite Annette F (Officer) 900 shares $367.45 −6.1% since trade filed May 2, 2023 | Discretionary sale | 900 | $367.45 | $331K | −6.1% | May 2, 2023 |
| May 1, 2023 | Favorite Annette F (Officer) 2,687 shares $366.46 −5.9% since trade filed May 2, 2023 | Discretionary sale | 2,687 | $366.46 | $985K | −5.9% | May 2, 2023 |
| May 1, 2023 | Favorite Annette F (Officer) 9,425 shares $365.47 −5.6% since trade filed May 2, 2023 | Discretionary sale | 9,425 | $365.47 | $3.4M | −5.6% | May 2, 2023 |
| May 1, 2023 | Abraham Silji (Officer) 649 shares $366.14 −5.8% since trade filed May 2, 2023 | Discretionary sale | 649 | $366.14 | $238K | −5.8% | May 2, 2023 |
| May 1, 2023 | Abraham Silji (Officer) 7,371 shares $365.55 −5.6% since trade filed May 2, 2023 | Discretionary sale | 7,371 | $365.55 | $2.7M | −5.6% | May 2, 2023 |
| Mar 9, 2023 | Abraham Silji (Officer) 1,500 shares $322.57 +7.0% since trade filed Mar 22, 2023 late | Discretionary sale | 1,500 | $322.57 | $484K | +7.0% | Mar 22, 2023 late |
| Mar 7, 2023 | Green Eric Mark (CEO) 1,131 shares $324.29 +6.4% since trade filed Mar 9, 2023 | Discretionary sale | 1,131 | $324.29 | $367K | +6.4% | Mar 9, 2023 |
“Since trade” compares with the latest insider-implied price, not a market quote: these pages are built from filings alone. A role here is the one on that day's Form 4, so somebody promoted since appears under both titles.
Filing hygiene
105 Forms 4, 3 years
1 filed late
3 amendments
2.8 avg. days to file
How to read this
A Form 4 transaction code decides everything. P is an open-market purchase and S an open-market sale; those two are the only codes where an insider chose to trade. A is a grant, M an option exercise or vesting, F shares withheld to cover tax, G a gift. Most “insiders dumped billions” headlines are code F and M mechanics.
Sales flagged 10b5-1 run on a plan the insider adopted in advance; since 2023 every Form 4 carries that flag. Buys have historically predicted returns, sales mostly have not, and this page states filings, not advice.