ALEXANDER DOUGLAS A

President at Actua Corp · on record since Jan 13, 2010
Director at AMKOR TECHNOLOGY, INC. · on record since Apr 2, 2026
Director at BLACKBOARD INC · on record since Jun 17, 2004

Insider trading activity of ALEXANDER DOUGLAS A

Transactions on record: 135; since Jun 24, 2004

Open-market buys: 2; $303.4K

Open-market sells: 16; $2.7M

Companies traded: 3; last filing Sep 24, 2026

Figures computed from official regulatory filings — .

Companies where ALEXANDER DOUGLAS A has traded

AMKOR TECHNOLOGY, INC.70 tx · $751.4K · Sep 24, 2026
Actua Corp56 tx · $195.5M · Dec 15, 2017
BLACKBOARD INC9 tx · Jun 30, 2004

Track record of ALEXANDER DOUGLAS A

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of ALEXANDER DOUGLAS A

Co-insiders of ALEXANDER DOUGLAS A

2023 Grantor Retained Annuity Trust of Agnes C. Kim Dated 4/26/2023AMKOR TECHNOLOGY, INC.
2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023AMKOR TECHNOLOGY, INC.
2023 Grantor Retained Annuity Trust of Susan Y. Kim Dated 9/15/2023AMKOR TECHNOLOGY, INC.
2024 Grantor Retained Annuity Trust of Agnes C. Kim dtd. 8/5/2024AMKOR TECHNOLOGY, INC.
2024 Grantor Retained Annuity Trust of James J. Kim dtd. 8/5/2024AMKOR TECHNOLOGY, INC.
2024 Grantor Retained Annuity Trust of Susan Y. Kim dtd. 8/5/2024AMKOR TECHNOLOGY, INC.
915 Investments, LPAMKOR TECHNOLOGY, INC.
Adelman David J.Actua Corp
Agnes C. Kim 2020-1 Qualified Annuity Trust Under Agreement Dated 12/16/20AMKOR TECHNOLOGY, INC.
Alexandra Investments, LLCAMKOR TECHNOLOGY, INC.
Beach Michael JBLACKBOARD INC
BERKMAN DAVID JActua Corp
Blaney Liam EAMKOR TECHNOLOGY, INC.
BORUCH JOHN NAMKOR TECHNOLOGY, INC.
BUCKLEY WALTER W IIIActua Corp
Buntyn CherieAMKOR TECHNOLOGY, INC.
Calvert George DBLACKBOARD INC
Cane Daniel EBLACKBOARD INC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
AMKOR TECHNOLOGY, INC.Listing on record	Sep 24, 2026	AwardD (derivative)	14.98	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Sep 24, 2026	AwardD (derivative)	13.32	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Sep 24, 2026	AwardD (derivative)	4	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Sep 24, 2026	AwardD (derivative)	12.97	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Aug 11, 2026	Sell	-5,000	55.81 USD	$279.1K		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Aug 11, 2026	Exercise	5,000	8.51 USD	$42.6K		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Aug 11, 2026	ExerciseD (derivative)	-5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Jun 25, 2026	AwardD (derivative)	9.43	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Jun 25, 2026	AwardD (derivative)	8.17	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Jun 25, 2026	AwardD (derivative)	8.38	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Jun 25, 2026	AwardD (derivative)	2.52	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	May 15, 2026	AwardD (derivative)	2,613	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	May 7, 2026	Sell	-343	76.58 USD	$26.3K	Unusual size	SEC
AMKOR TECHNOLOGY, INC.Listing on record	May 7, 2026	Sell	-4,657	76.58 USD	$356.6K	Unusual size	SEC
AMKOR TECHNOLOGY, INC.Listing on record	May 7, 2026	ExerciseD (derivative)	-4,657	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	May 7, 2026	Exercise	4,657	9.45 USD	$44K		SEC
AMKOR TECHNOLOGY, INC.Listing on record	May 7, 2026	ExerciseD (derivative)	-343	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	May 7, 2026	Exercise	343	8.51 USD	$2.9K		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Apr 2, 2026	AwardD (derivative)	18.16	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Apr 2, 2026	AwardD (derivative)	16.15	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Apr 2, 2026	AwardD (derivative)	15.72	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Dec 29, 2025	AwardD (derivative)	17.33	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Dec 29, 2025	AwardD (derivative)	20.01	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Dec 29, 2025	AwardD (derivative)	17.8	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Sep 25, 2025	AwardD (derivative)	24.34	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
AMKOR TECHNOLOGY, INC.Listing on record	Sep 24, 2026	AwardD (derivative)	14.98	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Sep 24, 2026	AwardD (derivative)	13.32	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Sep 24, 2026	AwardD (derivative)	4	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Sep 24, 2026	AwardD (derivative)	12.97	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Aug 11, 2026	Sell	-5,000	55.81 USD	$279.1K		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Aug 11, 2026	Exercise	5,000	8.51 USD	$42.6K		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Aug 11, 2026	ExerciseD (derivative)	-5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Jun 25, 2026	AwardD (derivative)	9.43	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Jun 25, 2026	AwardD (derivative)	8.17	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Jun 25, 2026	AwardD (derivative)	8.38	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Jun 25, 2026	AwardD (derivative)	2.52	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	May 15, 2026	AwardD (derivative)	2,613	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	May 7, 2026	Sell	-343	76.58 USD	$26.3K	Unusual size	SEC
AMKOR TECHNOLOGY, INC.Listing on record	May 7, 2026	Sell	-4,657	76.58 USD	$356.6K	Unusual size	SEC
AMKOR TECHNOLOGY, INC.Listing on record	May 7, 2026	ExerciseD (derivative)	-4,657	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	May 7, 2026	Exercise	4,657	9.45 USD	$44K		SEC
AMKOR TECHNOLOGY, INC.Listing on record	May 7, 2026	ExerciseD (derivative)	-343	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	May 7, 2026	Exercise	343	8.51 USD	$2.9K		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Apr 2, 2026	AwardD (derivative)	18.16	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Apr 2, 2026	AwardD (derivative)	16.15	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Apr 2, 2026	AwardD (derivative)	15.72	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Dec 29, 2025	AwardD (derivative)	17.33	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Dec 29, 2025	AwardD (derivative)	20.01	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Dec 29, 2025	AwardD (derivative)	17.8	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AMKOR TECHNOLOGY, INC.Listing on record	Sep 25, 2025	AwardD (derivative)	24.34	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC