John E Paproski

Insider

First SEC filing: March 2, 2007 · Latest: March 2, 2007

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

WST selling Nov. 25, 2015

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 63 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

63 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 23, 2016	WST	A	7,750	$59.64	$462,210	78,223 Direct	+11.00%	Acquired	495.7% (price as of 2026-08-19)
Nov. 25, 2015	WST	M	17,560	$22.48	$394,749	0 Direct	-100.00%	Disposed	1480.4% (price as of 2026-08-19)
Nov. 25, 2015	WST	S	17,560	$63.41	$1,113,480	70,288 Direct	-19.99%	Disposed	460.3% (price as of 2026-08-19)
Nov. 25, 2015	WST	M	17,560	$22.48	$394,749	87,848 Direct	+24.98%	Acquired	1480.4% (price as of 2026-08-19)
Feb. 24, 2015	WST	M	9,282	$52.87	$490,739	0 Direct	-100.00%	Disposed	572.0% (price as of 2026-08-19)
Feb. 24, 2015	WST	S	9,282	$52.87	$490,739	69,543 Direct	-11.78%	Disposed	572.0% (price as of 2026-08-19)
Feb. 24, 2015	WST	M	9,282	$16.29	$151,204	78,825 Direct	+13.35%	Acquired	2081.0% (price as of 2026-08-19)
Feb. 23, 2015	WST	A	29,440	$54.14	$1,593,882	29,440 Direct	—	Acquired	556.2% (price as of 2026-08-19)
Feb. 17, 2015	WST	A	13,804	$51.53	$711,320	69,543 Direct	+24.77%	Acquired	589.5% (price as of 2026-08-19)
Aug. 7, 2014	WST	M	14,000	$12.76	$178,640	0 Direct	-100.00%	Disposed	2684.4% (price as of 2026-08-19)
Aug. 7, 2014	WST	S	14,000	$40.44	$566,160	54,847 Direct	-20.33%	Disposed	778.5% (price as of 2026-08-19)
Aug. 7, 2014	WST	M	14,000	$12.76	$178,640	68,847 Direct	+25.53%	Acquired	2684.4% (price as of 2026-08-19)
Feb. 24, 2014	WST	A	28,930	$47.34	$1,369,546	28,930 Direct	—	Acquired	650.5% (price as of 2026-08-19)
Feb. 24, 2014	WST	S	8,500	$47.48	$403,580	54,590 Direct	-13.47%	Disposed	648.3% (price as of 2026-08-19)
Feb. 18, 2014	WST	A	9,116	$48.69	$443,858	24,021 Indirect	+61.16%	Acquired	629.7% (price as of 2026-08-19)
Dec. 20, 2013	WST	A	11	$49.40	$543	14,892 Indirect	+0.07%	Acquired	619.2% (price as of 2026-08-19)
Dec. 6, 2013	WST	A	11	$49.49	$544	14,881 Indirect	+0.07%	Acquired	617.9% (price as of 2026-08-19)
Nov. 22, 2013	WST	A	11	$48.27	$531	14,870 Indirect	+0.07%	Acquired	636.0% (price as of 2026-08-19)
Nov. 8, 2013	WST	A	11	$46.70	$514	14,859 Indirect	+0.07%	Acquired	660.8% (price as of 2026-08-19)
Oct. 25, 2013	WST	A	12	$46.11	$553	14,819 Indirect	+0.08%	Acquired	670.5% (price as of 2026-08-19)
Oct. 11, 2013	WST	A	12	$43.84	$526	14,807 Indirect	+0.08%	Acquired	710.4% (price as of 2026-08-19)
Sept. 27, 2013	WST	A	5	$40.93	$205	14,795 Indirect	+0.03%	Acquired	768.0% (price as of 2026-08-19)
Aug. 14, 2013	WST	S	6,011	$79.08	$475,350	655 Indirect	-90.17%	Disposed	798.5% (price as of 2026-08-19)
March 26, 2013	WST	A	4,036	—	—	4,036 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 22, 2013	WST	F	50	$60.70	$3,035	30,845 Direct	-0.16%	Disposed	1070.6% (price as of 2026-08-19)
Feb. 19, 2013	WST	A	21,949	—	—	21,949 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 19, 2013	WST	A	4,556	$59.11	$269,305	7,371 Indirect	+161.85%	Acquired	1102.1% (price as of 2026-08-19)
Dec. 21, 2012	WST	A	9	$54.27	$488	2,790 Indirect	+0.32%	Acquired	1209.3% (price as of 2026-08-19)
Dec. 7, 2012	WST	A	9	$54.71	$492	2,781 Indirect	+0.32%	Acquired	1198.8% (price as of 2026-08-19)
Nov. 29, 2012	WST	M	8,200	$19.36	$158,752	0 Direct	-100.00%	Disposed	3570.3% (price as of 2026-08-19)
Nov. 29, 2012	WST	F	4,540	$54.28	$246,431	30,662 Direct	-12.90%	Disposed	1209.1% (price as of 2026-08-19)
Nov. 29, 2012	WST	M	8,200	$19.36	$158,752	35,202 Direct	+30.37%	Acquired	3570.3% (price as of 2026-08-19)
Nov. 23, 2012	WST	A	10	$53.68	$537	2,772 Indirect	+0.36%	Acquired	1223.7% (price as of 2026-08-19)
Nov. 9, 2012	WST	A	10	$53.48	$535	2,762 Indirect	+0.36%	Acquired	1228.7% (price as of 2026-08-19)
Oct. 26, 2012	WST	A	15	$53.41	$801	2,563 Indirect	+0.59%	Acquired	1230.4% (price as of 2026-08-19)
Feb. 24, 2012	WST	F	42	$42.48	$1,784	26,841 Direct	-0.16%	Disposed	1572.7% (price as of 2026-08-19)
Feb. 21, 2012	WST	A	31,526	—	—	31,526 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 21, 2012	WST	A	979	$42.44	$41,549	26,883 Direct	+3.78%	Acquired	1574.3% (price as of 2026-08-19)
Dec. 23, 2011	WST	A	12	$37.50	$450	2,519 Indirect	+0.48%	Acquired	1794.9% (price as of 2026-08-19)
Dec. 9, 2011	WST	A	12	$37.38	$449	2,506 Indirect	+0.48%	Acquired	1800.9% (price as of 2026-08-19)
Nov. 25, 2011	WST	A	13	$35.60	$463	2,494 Indirect	+0.52%	Acquired	1896.0% (price as of 2026-08-19)
Nov. 11, 2011	WST	A	12	$38.48	$462	2,481 Indirect	+0.49%	Acquired	1746.6% (price as of 2026-08-19)
Oct. 28, 2011	WST	A	6	$40.80	$245	2,469 Indirect	+0.24%	Acquired	1641.6% (price as of 2026-08-19)
May 10, 2011	WST	M	9,000	$14.41	$129,690	0 Direct	-100.00%	Disposed	4831.1% (price as of 2026-08-19)
May 10, 2011	WST	S	9,000	$46.93	$422,370	25,087 Direct	-26.40%	Disposed	1414.1% (price as of 2026-08-19)
May 10, 2011	WST	M	9,000	$14.41	$129,690	34,087 Direct	+35.88%	Acquired	4831.1% (price as of 2026-08-19)
Feb. 22, 2011	WST	A	1,062	$40.85	$43,383	2,454 Indirect	+76.29%	Acquired	1639.5% (price as of 2026-08-19)
Feb. 22, 2011	WST	A	1,357	$40.85	$55,433	1,392 Indirect	+3877.14%	Acquired	1639.5% (price as of 2026-08-19)
Feb. 22, 2011	WST	A	17,123	—	—	17,123 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 22, 2011	WST	A	1,062	$40.85	$43,383	25,948 Direct	+4.27%	Acquired	1639.5% (price as of 2026-08-19)
March 22, 2010	WST	A	18,916	—	—	18,916 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 24, 2010	WST	F	38	$38.65	$1,469	23,853 Direct	-0.16%	Disposed	1738.5% (price as of 2026-08-19)
Feb. 19, 2010	WST	A	843	$38.22	$32,219	23,891 Direct	+3.66%	Acquired	1759.2% (price as of 2026-08-19)
March 5, 2009	WST	F	31	$29.28	$908	22,032 Direct	-0.14%	Disposed	2326.8% (price as of 2026-08-19)
Feb. 24, 2009	WST	A	782	$32.09	$25,094	22,064 Direct	+3.67%	Acquired	2114.3% (price as of 2026-08-19)
Feb. 24, 2009	WST	A	980	$32.09	$31,448	21,282 Direct	+4.83%	Acquired	2114.3% (price as of 2026-08-19)
Feb. 24, 2009	WST	A	8,500	—	—	8,500 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 24, 2009	WST	A	775	$32.09	$24,870	22,061 Direct	+3.64%	Acquired	2114.3% (price as of 2026-08-19)
Feb. 24, 2009	WST	A	984	$32.09	$31,577	21,286 Direct	+4.85%	Acquired	2114.3% (price as of 2026-08-19)
Dec. 29, 2008	WST	A	11	$35.90	$395	34 Indirect	+47.83%	Acquired	1879.3% (price as of 2026-08-19)
Dec. 12, 2008	WST	A	11	$36.00	$396	23 Indirect	+91.67%	Acquired	1873.8% (price as of 2026-08-19)
July 3, 2008	WST	A	13	$42.80	$556	13 Indirect	—	Acquired	1560.2% (price as of 2026-08-19)
Feb. 26, 2008	WST	A	9,166	—	—	9,166 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 26, 2008	WST	A	590	$41.70	$24,603	19,567 Direct	+3.11%	Acquired	1604.0% (price as of 2026-08-19)
Feb. 26, 2008	WST	A	1,751	$41.70	$73,017	18,977 Direct	+10.16%	Acquired	1604.0% (price as of 2026-08-19)
Feb. 13, 2008	WST	F	67	$38.38	$2,571	17,226 Direct	-0.39%	Disposed	1751.4% (price as of 2026-08-19)
Feb. 28, 2007	WST	F	45	$45.35	$2,041	16,513 Direct	-0.27%	Disposed	1466.9% (price as of 2026-08-19)
Feb. 27, 2007	WST	A	8,780	—	—	8,780 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 27, 2007	WST	A	2,245	$44.97	$100,958	16,558 Direct	+15.69%	Acquired	1480.1% (price as of 2026-08-19)

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
Nov. 25, 2015	WST	Stock Option (Right to Buy)	Common Stock (17,560)	$22.48	Feb. 27, 2018	17,560	Disposed
Feb. 24, 2015	WST	Stock Option (Right to Buy)	Common Stock (9,282)	$16.29	Feb. 24, 2016	9,282	Disposed
Feb. 23, 2015	WST	Stock Option (Right to Buy)	Common Stock (29,440)	$54.14	Feb. 23, 2025	29,440	Acquired
Aug. 7, 2014	WST	Stock Option (Right to Buy)	Common Stock (14,000)	$12.76	March 9, 2015	14,000	Disposed
Feb. 24, 2014	WST	Stock Option (Right to Buy)	Common Stock (28,930)	$47.34	Feb. 24, 2024	28,930	Acquired
March 26, 2013	WST	Stock Option (Right to Buy)	Common Stock (4,036)	$64.38	March 26, 2023	4,036	Acquired
Feb. 19, 2013	WST	Stock Option (Right to Buy)	Common Stock (21,949)	$59.11	Feb. 19, 2023	21,949	Acquired
Nov. 29, 2012	WST	Stock Option (Right to Buy)	Common Stock (8,200)	$19.36	May 5, 2015	8,200	Disposed
Feb. 21, 2012	WST	Stock Option (Right to Buy)	Common Stock (31,526)	$42.44	Feb. 21, 2022	31,526	Acquired
May 10, 2011	WST	Stock Option (Right to Buy)	Common Stock (9,000)	$14.41	March 8, 2012	9,000	Disposed
Feb. 22, 2011	WST	Stock Option (Right to Buy)	Common Stock (17,123)	$0.00	Feb. 22, 2021	17,123	Acquired
March 22, 2010	WST	Stock Option (Right to Buy)	Common Stock (18,916)	$42.68	March 22, 2020	18,916	Acquired
Feb. 24, 2009	WST	Stock Option (Right to Buy)	Common Stock (8,500)	$32.09	Feb. 24, 2019	8,500	Acquired
Feb. 26, 2008	WST	Stock Option (Right to Buy)	Common Stock (9,166)	$41.70	Feb. 26, 2018	9,166	Acquired
Feb. 27, 2007	WST	Stock Option (Right to Buy)	Common Stock (8,780)	$44.97	Feb. 27, 2018	8,780	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
Jan. 19, 2007	WST	Common Stock	14,312	Direct
Jan. 19, 2007	WST	Common Stock	5,661	Indirect
Jan. 19, 2007	WST	Stock Option (Right to Buy)→ Common Stock (9,000)	9,000	Direct
Jan. 19, 2007	WST	Stock Option (Right to Buy)→ Common Stock (7,000)	7,000	Direct
Jan. 19, 2007	WST	Stock Option (Right to Buy)→ Common Stock (8,200)	8,200	Direct
Jan. 19, 2007	WST	Stock Option (Right to Buy)→ Common Stock (4,641)	4,641	Direct