Chad Winters
First SEC filing: May 7, 2020 · Latest: April 29, 2026
Insider at
Insider transactions
Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 27, 2026 | WST | M | 896 | $173.22 | $155,205 | 2,419 Direct | +58.83% | Acquired | 126.4% (price as of ) |
| April 27, 2026 | WST | S | 896 | $300.67 | $269,400 | 1,523 Direct | -37.04% | Disposed | 30.4% (price as of ) |
| April 27, 2026 | WST | M | 896 | · | · | 0 Direct | -100.00% | Disposed | |
| March 1, 2026 | WST | A | 340 | · | · | 340 Direct | · | Acquired | |
| March 1, 2026 | WST | A | 808 | · | · | 808 Direct | · | Acquired | |
| Feb. 20, 2026 | WST | M | 89 | · | · | 1,553 Direct | +6.08% | Acquired | |
| Feb. 20, 2026 | WST | F | 30 | $241.12 | $7,234 | 1,523 Direct | -1.93% | Disposed | 62.6% (price as of ) |
| Feb. 20, 2026 | WST | M | 89 | · | · | 268 Direct | -24.93% | Disposed | |
| Feb. 17, 2026 | WST | A | 150 | · | · | 1,513 Direct | +11.01% | Acquired | |
| Feb. 17, 2026 | WST | F | 51 | $243.19 | $12,403 | 1,462 Direct | -3.37% | Disposed | 61.3% (price as of ) |
| Feb. 18, 2025 | WST | M | 82 | $211.00 | $17,302 | 1,391 Direct | +6.26% | Acquired | 85.9% (price as of ) |
| Feb. 18, 2025 | WST | F | 28 | $211.00 | $5,908 | 1,363 Direct | -2.01% | Disposed | 85.9% (price as of ) |
| Feb. 18, 2025 | WST | A | 822 | · | · | 822 Direct | · | Acquired | |
| Feb. 18, 2025 | WST | A | 356 | · | · | 356 Direct | · | Acquired | |
| March 11, 2024 | WST | M | 675 | $173.22 | $116,924 | 2,124 Direct | +46.58% | Acquired | 126.4% (price as of ) |
| March 11, 2024 | WST | S | 815 | $358.82 | $292,438 | 1,309 Direct | -38.37% | Disposed | 9.3% (price as of ) |
| March 11, 2024 | WST | M | 675 | · | · | 896 Direct | -42.97% | Disposed | |
| Feb. 20, 2024 | WST | A | 179 | · | · | 1,449 Direct | +14.09% | Acquired | |
| Feb. 20, 2024 | WST | A | 1,020 | · | · | 1,020 Direct | · | Acquired | |
| Dec. 4, 2023 | WST | M | 456 | $143.43 | $65,404 | 1,942 Direct | +30.69% | Acquired | 173.4% (price as of ) |
| Dec. 4, 2023 | WST | S | 1,013 | $349.00 | $353,537 | 1,270 Direct | -44.37% | Disposed | 12.4% (price as of ) |
| Dec. 4, 2023 | WST | M | 341 | $173.22 | $59,068 | 2,283 Direct | +17.56% | Acquired | 126.4% (price as of ) |
| Dec. 4, 2023 | WST | M | 456 | · | · | 0 Direct | -100.00% | Disposed | |
| Dec. 4, 2023 | WST | M | 341 | · | · | 1,571 Direct | -17.83% | Disposed | |
| Dec. 1, 2023 | WST | M | 456 | $143.43 | $65,404 | 1,942 Direct | +30.69% | Acquired | 173.4% (price as of ) |
| Dec. 1, 2023 | WST | S | 1,013 | $349.00 | $353,537 | 1,270 Direct | -44.37% | Disposed | 12.4% (price as of ) |
| Dec. 1, 2023 | WST | M | 341 | $173.22 | $59,068 | 2,283 Direct | +17.56% | Acquired | 126.4% (price as of ) |
| Dec. 1, 2023 | WST | M | 456 | · | · | 0 Direct | -100.00% | Disposed | |
| Dec. 1, 2023 | WST | M | 341 | · | · | 1,571 Direct | -17.83% | Disposed | |
| May 30, 2023 | WST | M | 872 | $143.43 | $125,071 | 2,321 Direct | +60.18% | Acquired | 173.4% (price as of ) |
| May 30, 2023 | WST | M | 872 | $339.51 | $296,053 | 1,449 Direct | -37.57% | Disposed | 15.5% (price as of ) |
| May 30, 2023 | WST | M | 872 | · | · | 456 Direct | -65.66% | Disposed | |
| May 5, 2023 | WST | F | 10 | $368.46 | $3,685 | 1,449 Direct | -0.69% | Disposed | 6.4% (price as of ) |
| Feb. 21, 2023 | WST | A | 476 | $306.68 | $145,980 | 1,459 Direct | +48.42% | Acquired | 27.9% (price as of ) |
| Feb. 21, 2023 | WST | A | 1,012 | · | · | 1,012 Direct | · | Acquired | |
| Oct. 31, 2022 | WST | F | 47 | $225.51 | $10,599 | 983 Direct | -4.56% | Disposed | 73.9% (price as of ) |
| May 5, 2022 | WST | F | 10 | $314.76 | $3,148 | 1,063 Direct | -0.93% | Disposed | 24.6% (price as of ) |
| Feb. 22, 2022 | WST | A | 414 | $369.13 | $152,820 | 1,073 Direct | +62.82% | Acquired | 6.2% (price as of ) |
| Feb. 22, 2022 | WST | A | 1,036 | · | · | 1,036 Direct | · | Acquired | |
| Oct. 29, 2021 | WST | F | 47 | $429.88 | $20,204 | 659 Direct | -6.66% | Disposed | -8.8% (price as of ) |
| May 5, 2021 | WST | F | 10 | $328.60 | $3,286 | 706 Direct | -1.40% | Disposed | 19.3% (price as of ) |
| March 12, 2021 | WST | A | 170 | $261.62 | $44,475 | 715 Direct | +31.19% | Acquired | 49.9% (price as of ) |
| Feb. 23, 2021 | WST | A | 1,388 | · | · | 1,388 Direct | · | Acquired | |
| Oct. 29, 2020 | WST | F | 47 | $275.23 | $12,936 | 545 Direct | -7.94% | Disposed | 42.5% (price as of ) |
| May 5, 2020 | WST | A | 102 | · | · | 592 Direct | +20.82% | Acquired |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| April 27, 2026 | WST | Stock Options (Right to Buy) | Common Stock | $173.22 | Feb. 18, 2030 | 896 | Disposed |
| March 1, 2026 | WST | Rst. Stock Unit | Common Stock | · | · | 340 | Acquired |
| March 1, 2026 | WST | Stock Option (Right to Buy) | Common Stock | $254.34 | March 1, 2036 | 808 | Acquired |
| Feb. 20, 2026 | WST | Rst. Stock Unit | Common Stock | · | · | 89 | Disposed |
| Feb. 18, 2025 | WST | Stock Option (Right to Buy) | Common Stock | $211.00 | Feb. 18, 2035 | 822 | Acquired |
| Feb. 18, 2025 | WST | Rst. Stock Unit | Common Stock | $0.00 | · | 356 | Acquired |
| March 11, 2024 | WST | Stock Options (Right to Buy) | Stock Options (Right to Buy) | $173.22 | Feb. 18, 2030 | 675 | Disposed |
| Feb. 20, 2024 | WST | Stock Options (Right to Buy) | Stock Options (Right to Buy) | $350.18 | Feb. 20, 2034 | 1,020 | Acquired |
| Dec. 4, 2023 | WST | Stock Options (Right to Buy) | Stock Options (Right to Buy) | $143.43 | Oct. 29, 2029 | 456 | Disposed |
| Dec. 4, 2023 | WST | Stock Options (Right to Buy) | Stock Options (Right to Buy) | $173.22 | Feb. 18, 2030 | 341 | Disposed |
| Dec. 1, 2023 | WST | Stock Options (Right to Buy) | Stock Options (Right to Buy) | $143.43 | Oct. 29, 2029 | 456 | Disposed |
| Dec. 1, 2023 | WST | Stock Options (Right to Buy) | Stock Options (Right to Buy) | $173.22 | Feb. 18, 2030 | 341 | Disposed |
| May 30, 2023 | WST | Stock Options (Right to buy) | Common Stock | $143.43 | Oct. 29, 2029 | 872 | Disposed |
| Feb. 21, 2023 | WST | Stock Options (Right to buy) | Stock Options (Right to Buy) | $306.68 | Feb. 21, 2033 | 1,012 | Acquired |
| Feb. 22, 2022 | WST | Stock Options (Right to buy) | Stock Options (Right to Buy) | $369.13 | Feb. 22, 2032 | 1,036 | Acquired |
| Feb. 23, 2021 | WST | Stock Options (Right to buy) | Common Stock | $274.29 | Feb. 23, 2031 | 1,388 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 7, 2020 | WST | Common Stock | 489 | Direct |
| May 7, 2020 | WST | Stock Options (Right to buy) | 1,912 | Direct |
| May 7, 2020 | WST | Stock Options (Right to buy) | 1,328 | Direct |
| May 7, 2020 | WST | Common Stock | 489 | Direct |
| May 7, 2020 | WST | Stock Options (Right to buy) | 1,912 | Direct |
| May 7, 2020 | WST | Stock Options (Right to buy) | 1,328 | Direct |