James W Zug

Insider

First SEC filing: April 21, 2014 · Latest: April 21, 2014

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.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 49 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

49 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 2, 2017	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
May 2, 2017	AMKR	A	3,415	—	—	49,243 Direct	+7.45%	Acquired	(price as of 2026-08-21)
Nov. 18, 2016	AMKR	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Nov. 18, 2016	AMKR	S	10,000	$12.07	$120,700	45,828 Direct	-17.91%	Disposed	321.7% (price as of 2026-08-21)
Nov. 18, 2016	AMKR	M	10,000	$10.97	$109,700	55,828 Direct	+21.82%	Acquired	364.0% (price as of 2026-08-21)
Aug. 4, 2016	AMKR	M	10,000	$5.82	$58,200	55,828 Direct	+21.82%	Acquired	774.7% (price as of 2026-08-21)
Aug. 4, 2016	AMKR	S	10,000	$7.56	$75,600	45,828 Direct	-17.91%	Disposed	573.3% (price as of 2026-08-21)
Aug. 4, 2016	AMKR	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 4, 2016	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
May 4, 2016	AMKR	A	7,067	—	—	45,828 Direct	+18.23%	Acquired	(price as of 2026-08-21)
May 5, 2015	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
May 5, 2015	AMKR	A	5,873	—	—	38,761 Direct	+17.86%	Acquired	(price as of 2026-08-21)
March 5, 2015	AMKR	A	1,121	—	—	32,888 Direct	+3.53%	Acquired	(price as of 2026-08-21)
June 12, 2014	AMKR	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 12, 2014	AMKR	S	10,000	$11.69	$116,900	31,767 Direct	-23.94%	Disposed	335.5% (price as of 2026-08-21)
June 12, 2014	AMKR	M	10,000	$4.11	$41,100	41,767 Direct	+31.48%	Acquired	1138.6% (price as of 2026-08-21)
May 13, 2014	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
April 17, 2014	TFX	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
April 17, 2014	TFX	F	2,229	$102.07	$227,514	10,694 Direct	-17.25%	Disposed	32.2% (price as of 2026-08-21)
April 17, 2014	TFX	M	5,000	$45.50	$227,500	12,923 Direct	+63.11%	Acquired	196.6% (price as of 2026-08-21)
Feb. 26, 2014	TFX	A	3,021	—	—	3,021 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 26, 2014	TFX	A	2,498	—	—	2,498 Direct	—	Acquired	(price as of 2026-08-21)
May 29, 2013	AMKR	S	10,000	$4.57	$45,700	0 Indirect	-100.00%	Disposed	1013.9% (price as of 2026-08-21)
May 8, 2013	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
May 3, 2013	TFX	A	785	—	—	7,923 Direct	+11.00%	Acquired	(price as of 2026-08-21)
Feb. 26, 2013	TFX	A	3,014	—	—	3,014 Direct	—	Acquired	(price as of 2026-08-21)
May 8, 2012	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
May 4, 2012	TFX	A	1,041	—	—	7,138 Direct	+17.07%	Acquired	(price as of 2026-08-21)
Feb. 28, 2012	TFX	A	3,564	$59.75	$212,949	3,564 Direct	—	Acquired	125.9% (price as of 2026-08-21)
May 3, 2011	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
April 29, 2011	TFX	A	800	—	—	6,097 Direct	+15.10%	Acquired	(price as of 2026-08-21)
March 1, 2011	TFX	A	2,000	$58.25	$116,500	2,000 Direct	—	Acquired	131.7% (price as of 2026-08-21)
Aug. 27, 2010	TFX	P	250,000	$250592.01	$62,648,002,500	250,000 Direct	—	Acquired	-99.9% (price as of 2026-08-21)
May 3, 2010	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
April 30, 2010	TFX	A	797	—	—	5,297 Direct	+17.71%	Acquired	(price as of 2026-08-21)
March 1, 2010	TFX	A	2,000	$61.34	$122,680	2,000 Direct	—	Acquired	120.0% (price as of 2026-08-21)
May 4, 2009	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
May 1, 2009	TFX	A	1,170	—	—	4,500 Direct	+35.14%	Acquired	(price as of 2026-08-21)
March 2, 2009	TFX	A	2,000	$46.12	$92,240	2,000 Direct	—	Acquired	192.6% (price as of 2026-08-21)
Nov. 13, 2008	AMKR	P	10,000	$3.23	$32,300	31,767 Direct	+45.94%	Acquired	1476.0% (price as of 2026-08-21)
May 5, 2008	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
May 2, 2008	TFX	A	881	—	—	3,330 Direct	+35.97%	Acquired	(price as of 2026-08-21)
March 4, 2008	TFX	A	2,000	$56.25	$112,500	2,000 Direct	—	Acquired	139.9% (price as of 2026-08-21)
Aug. 6, 2007	AMKR	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
May 4, 2007	TFX	A	339	—	—	2,449 Direct	+16.07%	Acquired	(price as of 2026-08-21)
Feb. 27, 2007	TFX	A	2,000	$67.25	$134,500	2,000 Direct	—	Acquired	100.7% (price as of 2026-08-21)
Aug. 8, 2006	AMKR	A	10,000	$5.82	$58,200	10,000 Direct	—	Acquired	774.7% (price as of 2026-08-21)
May 5, 2006	TFX	A	293	$68.25	$19,997	2,110 Direct	+16.13%	Acquired	97.7% (price as of 2026-08-21)
Feb. 22, 2006	TFX	A	2,000	$64.19	$128,380	2,000 Direct	—	Acquired	110.2% (price as of 2026-08-21)
Feb. 22, 2006	TFX	A	2,000	$64.19	$128,380	2,000 Direct	—	Acquired	110.2% (price as of 2026-08-21)
Aug. 24, 2005	AMKR	A	10,000	—	—	10,000 Direct	-50.00%	Disposed	(price as of 2026-08-21)
April 29, 2005	TFX	A	377	$53.00	$19,981	1,817 Direct	+26.18%	Acquired	154.6% (price as of 2026-08-21)
July 29, 2004	AMKR	A	10,000	$4.11	$41,100	10,000 Direct	—	Acquired	1138.6% (price as of 2026-08-21)
May 19, 2004	AMKR	P	10,000	$9.58	$95,800	31,767 Indirect	+45.94%	Acquired	431.4% (price as of 2026-08-21)
May 19, 2004	AMKR	P	5,000	$9.69	$48,450	21,767 Direct	+29.82%	Acquired	425.3% (price as of 2026-08-21)
May 19, 2004	AMKR	P	5,000	$9.64	$48,200	16,767 Direct	+42.49%	Acquired	428.1% (price as of 2026-08-21)
Feb. 2, 2004	AMKR	M	6,667	$5.18	$34,535	13,333 Direct	-33.34%	Disposed	882.7% (price as of 2026-08-21)
Feb. 2, 2004	AMKR	M	6,667	$5.18	$34,535	11,767 Direct	+130.73%	Acquired	882.7% (price as of 2026-08-21)

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
May 2, 2017	AMKR	Director Stock Option (Right to Buy)	Amkor Technology, Inc. Common Stock (20,000)	$11.71	May 2, 2027	20,000	Acquired
Nov. 18, 2016	AMKR	Director Stock Option (Right-to-Buy)	Amkor Technology, Inc. Common Stock (10,000)	$10.97	Aug. 6, 2017	10,000	Disposed
Aug. 4, 2016	AMKR	Director Stock Option (Right-to-Buy)	Amkor Technology, Inc. (10,000)	$5.82	Aug. 8, 2016	10,000	Disposed
May 4, 2016	AMKR	Director Stock Option (Right to Buy)	Amkor Technology, Inc. Common Stock (20,000)	$5.66	May 4, 2026	20,000	Acquired
May 5, 2015	AMKR	Director Stock Option (Right to Buy)	Amkor Technology, Inc. Common Stock (20,000)	$6.81	May 5, 2025	20,000	Acquired
June 12, 2014	AMKR	Director Stock Option (Right-to-Buy)	Amkor Technology, Inc. (10,000)	$4.11	July 29, 2014	10,000	Disposed
May 13, 2014	AMKR	Director Stock Option (Right to Buy)	Amkor Technology, Inc. Common Stock (20,000)	$9.17	May 13, 2024	20,000	Acquired
April 17, 2014	TFX	Stock Option (Right / to Buy)	Common Stock (5,000)	$45.50	April 30, 2014	5,000	Disposed
Feb. 26, 2014	TFX	Stock Option / (Right to Buy)	Common Stock	$101.12	Feb. 26, 2024	3,021	Acquired
Feb. 26, 2014	TFX	Stock Option / (Right to Buy)	Common Stock (2,498)	$101.12	Feb. 26, 2024	2,498	Acquired
May 8, 2013	AMKR	Director Stock Option (Right to Buy)	Amkor Technology, Inc. Common Stock (20,000)	$4.50	May 8, 2023	20,000	Acquired
Feb. 26, 2013	TFX	Stock Option / (Right to Buy)	Common Stock (3,014)	$78.50	Feb. 26, 2023	3,014	Acquired
May 8, 2012	AMKR	Director Stock Option (Right to Buy)	Amkor Technology, Inc. Common Stock (20,000)	$4.58	May 8, 2022	20,000	Acquired
Feb. 28, 2012	TFX	Stock Option (Right / to Buy)	Common Stock (3,564)	$59.75	Feb. 28, 2022	3,564	Acquired
May 3, 2011	AMKR	Director Stock Option (Right to Buy)	Amkor Technology, Inc. Common Stock (20,000)	$6.46	May 3, 2021	20,000	Acquired
March 1, 2011	TFX	Stock Option / (Right to Buy)	Common Stock (2,000)	$58.25	March 1, 2021	2,000	Acquired
Aug. 27, 2010	TFX	3.875% Convertible Senior Subordinated Notes due 2017	Common Stock	—	—	250,000	Acquired
May 3, 2010	AMKR	Director Stock Option (Right to Buy)	Amkor Technology, Inc. Common Stock (20,000)	$7.71	May 3, 2020	20,000	Acquired
March 1, 2010	TFX	Stock Option / (Right to Buy)	Common Stock (2,000)	$61.34	March 1, 2020	2,000	Acquired
May 4, 2009	AMKR	Director Stock Option (Right to By)	Amkor Technology, Inc., Common Stock (20,000)	$4.50	May 4, 2019	20,000	Acquired
March 2, 2009	TFX	Stock Option / (Right to Buy)	Common Stock (2,000)	$46.12	March 2, 2019	2,000	Acquired
May 5, 2008	AMKR	Director Stock Option (Right to Buy)	Amkor Technology, Inc., Common Stock (20,000)	$11.88	May 5, 2018	20,000	Acquired
March 4, 2008	TFX	Stock Option / (Right to Buy)	Common Stock (2,000)	$56.25	March 4, 2018	2,000	Acquired
Aug. 6, 2007	AMKR	Director Stock Option (right to buy)	Amkor Technology, Inc. Common Stock (10,000)	$10.97	Aug. 6, 2017	10,000	Acquired
Feb. 27, 2007	TFX	Stock Option / (Right to Buy)	Common Stock (2,000)	$67.25	Feb. 27, 2017	2,000	Acquired
Aug. 8, 2006	AMKR	Director Stock Option (right to buy)	Amkor Technology, Inc. Common Stock (10,000)	$5.82	Aug. 8, 2016	10,000	Acquired
Feb. 22, 2006	TFX	Stock Option / (Right to Buy)	Common Stock (2,000)	—	Feb. 22, 2016	2,000	Acquired
Feb. 22, 2006	TFX	Stock Option / (Right to Buy)	Common Stock (2,000)	$64.19	Feb. 22, 2016	2,000	Acquired
Aug. 24, 2005	AMKR	Director Stock Option (Right to Buy)	Amkor Technolgoy, Inc. Common Stock (10,000)	$5.02	Aug. 24, 2015	10,000	Disposed
July 29, 2004	AMKR	Director Stock Option (Right to Buy)	Amkor Technology, Inc. Common Stock (10,000)	$4.11	July 29, 2014	10,000	Acquired
Feb. 2, 2004	AMKR	Non-Qualifed Stock Option (Right to Buy)	Common Stock (6,667)	$5.18	Jan. 8, 2013	6,667	Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).