John Osborne

Insider

First SEC filing: Sept. 10, 2008 · Latest: Sept. 10, 2008

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

AMKR selling Nov. 21, 2016

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 38 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

38 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	—	—	37,816 Direct	+9.93%	Acquired	(price as of 2026-08-21)
Nov. 21, 2016	AMKR	A	20,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 21, 2016	AMKR	A	10,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 21, 2016	AMKR	A	16,666	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 21, 2016	AMKR	A	20,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 21, 2016	AMKR	A	20,000	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 21, 2016	AMKR	S	6,994	$12.27	$85,816	34,401 Direct	-16.90%	Disposed	314.9% (price as of 2026-08-21)
Nov. 21, 2016	AMKR	D	20,000	$12.27	$245,400	0 Direct	-100.00%	Disposed	314.9% (price as of 2026-08-21)
Nov. 21, 2016	AMKR	A	20,000	$9.17	$183,400	20,000 Direct	—	Acquired	455.1% (price as of 2026-08-21)
Nov. 21, 2016	AMKR	D	10,000	$12.27	$122,700	0 Direct	-100.00%	Disposed	314.9% (price as of 2026-08-21)
Nov. 21, 2016	AMKR	A	10,000	$6.46	$64,600	10,000 Direct	—	Acquired	688.0% (price as of 2026-08-21)
Nov. 21, 2016	AMKR	D	16,666	$12.27	$204,492	0 Direct	-100.00%	Disposed	314.9% (price as of 2026-08-21)
Nov. 21, 2016	AMKR	A	16,666	$7.71	$128,495	16,666 Direct	—	Acquired	560.2% (price as of 2026-08-21)
Nov. 21, 2016	AMKR	D	20,000	$12.27	$245,400	0 Direct	-100.00%	Disposed	314.9% (price as of 2026-08-21)
Nov. 21, 2016	AMKR	A	20,000	$11.88	$237,600	20,000 Direct	—	Acquired	328.5% (price as of 2026-08-21)
Nov. 21, 2016	AMKR	D	20,000	$12.27	$245,400	0 Direct	-100.00%	Disposed	314.9% (price as of 2026-08-21)
Nov. 21, 2016	AMKR	A	20,000	$10.97	$219,400	20,000 Direct	—	Acquired	364.0% (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	—	—	41,395 Direct	+20.59%	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	—	—	34,328 Direct	+20.64%	Acquired	(price as of 2026-08-21)
March 5, 2015	AMKR	A	1,121	—	—	28,455 Direct	+4.10%	Acquired	(price as of 2026-08-21)
June 3, 2014	AMKR	M	3,334	—	—	16,666 Direct	-16.67%	Disposed	(price as of 2026-08-21)
June 3, 2014	AMKR	M	6,666	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 3, 2014	AMKR	S	10,000	$10.30	$103,000	27,334 Direct	-26.79%	Disposed	394.2% (price as of 2026-08-21)
June 3, 2014	AMKR	S	3,334	$10.30	$34,340	37,334 Direct	-8.20%	Disposed	394.2% (price as of 2026-08-21)
June 3, 2014	AMKR	M	3,334	$7.71	$25,705	40,668 Direct	+8.93%	Acquired	560.2% (price as of 2026-08-21)
June 3, 2014	AMKR	S	6,666	$10.30	$68,660	37,334 Direct	-15.15%	Disposed	394.2% (price as of 2026-08-21)
June 3, 2014	AMKR	M	6,666	$4.50	$29,997	44,000 Direct	+17.86%	Acquired	1031.2% (price as of 2026-08-21)
May 13, 2014	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
May 8, 2013	AMKR	A	20,000	—	—	20,000 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 25, 2011	AMKR	M	6,667	—	—	6,666 Direct	-50.00%	Disposed	(price as of 2026-08-21)
May 25, 2011	AMKR	M	6,667	$4.50	$30,002	6,667 Direct	—	Acquired	1031.2% (price as of 2026-08-21)
May 3, 2011	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
June 14, 2010	AMKR	M	6,667	—	—	13,333 Direct	-33.34%	Disposed	(price as of 2026-08-21)
June 14, 2010	AMKR	M	6,667	$4.50	$30,002	6,667 Direct	—	Acquired	1031.2% (price as of 2026-08-21)
May 3, 2010	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
May 4, 2009	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
March 3, 2009	AMKR	P	5,000	$1.64	$8,200	24,000 Direct	+26.32%	Acquired	3004.0% (price as of 2026-08-21)
Nov. 20, 2008	AMKR	P	5,000	$2.00	$10,000	19,000 Direct	+35.71%	Acquired	2445.3% (price as of 2026-08-21)
Nov. 19, 2008	AMKR	P	5,000	$2.32	$11,600	14,000 Direct	+55.56%	Acquired	2094.2% (price as of 2026-08-21)
Sept. 10, 2008	AMKR	P	3,000	$6.77	$20,310	9,000 Direct	+50.00%	Acquired	651.9% (price as of 2026-08-21)
Aug. 15, 2008	AMKR	P	3,000	$8.73	$26,190	6,000 Direct	+100.00%	Acquired	483.1% (price as of 2026-08-21)
May 5, 2008	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 20, 2007	AMKR	P	3,000	$7.86	$23,580	3,000 Direct	—	Acquired	547.6% (price as of 2026-08-21)
Aug. 6, 2007	AMKR	A	20,000	—	—	20,000 Direct	—	Acquired	(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. 21, 2016	AMKR	Director Stock Option (Right-to-Buy)	Amkor Technology Inc., Common Stock (20,000)	$9.17	May 13, 2024	20,000	Acquired
Nov. 21, 2016	AMKR	Director Stock Option (Right-tp-Buy)	Amkor Technology, Inc., Common Stock (10,000)	$6.46	May 3, 2021	10,000	Acquired
Nov. 21, 2016	AMKR	Director Stock Option (Right-to-Buy)	Amkor Technology, Inc., Common Stock (16,666)	$7.71	May 3, 2020	16,666	Acquired
Nov. 21, 2016	AMKR	Director Stock Option (Right-to-Buy)	Amkor Technology, Inc. Common Stock (20,000)	$11.88	May 5, 2018	20,000	Acquired
Nov. 21, 2016	AMKR	Director Stock Option (Right to Buy)	Amkor Technology, Inc. Common Stock (20,000)	$10.97	Aug. 6, 2017	20,000	Acquired
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 3, 2014	AMKR	Director Stock Option	Amkor Technology, Inc. (3,334)	$7.71	May 3, 2020	3,334	Disposed
June 3, 2014	AMKR	Director Stock Option	Amkor Technology, Inc. (6,666)	$4.50	May 4, 2019	6,666	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
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
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
May 25, 2011	AMKR	Director Stock Option	Amkor Technology, Inc. (6,667)	$4.50	May 4, 2019	6,667	Disposed
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
June 14, 2010	AMKR	Director Stock Option	Amkor Technology, Inc. (6,667)	$4.50	May 4, 2019	6,667	Disposed
May 3, 2010	AMKR	Director Stock Option (Right to Buy)	Amkor Technology, Inc. (20,000)	$7.71	May 3, 2020	20,000	Acquired
May 4, 2009	AMKR	Director Stock Option (Right to Buy)	Amkor Technology, Inc. Common Stock (20,000)	$4.50	May 4, 2019	20,000	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
Aug. 6, 2007	AMKR	Director Stock Option (right to buy)	Amkor Technology, Inc. Common Stock (20,000)	$10.97	Aug. 6, 2017	20,000	Acquired

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