ASX · ASE Technology Holding Co., Ltd. · Insider Trading

$47.45 +2.72 (+6.08%) At close · Oct 2

Market Cap

$118.39B

2.60B

Volume · Oct 2 8.08M Avg daily vol (3M) 7.79M

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.

Query insider transactions through the insider trading API or MCP →

Date	Insider	Role	Type	Security	Shares	Price	Value	After
2026-09-22	Chang Hung Pen	Director	Convert↑ Filing footnotes — Ordinary Shares (Direct) The option exercise price reflects New Taiwan dollars.	Ordinary Shares	300,000	$98.60	$29,580,000	4,800,000
2026-09-22	Chang Hung Pen	Director	Convert↓ Filing footnotes — Stock Option (Right to Buy) (Direct) The option exercise price reflects New Taiwan dollars. Reflects stock options to purchase Ordinary Shares. These stock options were granted on August 18, 2023 and vest in seven semi-annual installments. 40% of the options vested on August 18, 2025, 10% of the options vested on February 18, 2026, and the remaining installments will vest at 10% each on August 18 2026, February 18, 2027, August 18, 2027, February 18, 2028 and August 18, 2028.	Stock Option (Right to Buy)	300,000	—	—	1,200,000
2026-09-07	Chen Jeffrey	Director	Gift↓	Ordinary Shares	600,000	—	—	2,083,000
2026-09-07	Chung Chih-Hsiao	GM, ASE Japan & Wuxi Tongzhi	Award↑	Ordinary Shares	30,000	—	—	425,000
2026-09-07	Tung Hung-Szu	Chief Financial Officer	Award↑	Ordinary Shares	400,000	—	—	4,202,954
2026-09-07	Tsai Chi-Wen	Chairman & President, SPIL	Award↑	Ordinary Shares	334,000	—	—	15,598,000
2026-09-07	Chen Jeffrey	Director	Gift↑ Filing footnotes — Ordinary Shares (Indirect) The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any.	Ordinary Shares (I)	600,000	—	—	600,000
2026-09-07	Chen Jeffrey	Director	Award↑	Ordinary Shares	300,000	—	—	2,683,000
2026-09-07	Kuo Hung-Ming	Principal Accounting Officer	Award↑	Ordinary Shares	50,000	—	—	985,500
2026-09-07	Wu Tien-Yue	Director	Award↑	Ordinary Shares	600,000	—	—	8,277,473
2026-09-07	Lin Chung	GM, ASE Shanghai & Electronics	Award↑	Ordinary Shares	30,000	—	—	170,278
2026-09-07	Uang Du-Tsuen	Chief Administration Officer	Award↑	Ordinary Shares	90,000	—	—	841,000
2026-09-07	Chen Tien-Szu	GM, ASE Inc. Chung-Li Branch	Award↑	Ordinary Shares	300,000	—	—	2,551,821
2026-09-07	Lo Raymond	GM TW & Kaohsiung Pkg Facility	Award↑	Ordinary Shares	400,000	—	—	4,383,430
2026-09-07	Tang Andrew R	Director	Award↑	Ordinary Shares	85,000	—	—	310,000
2026-09-07	Hsiang Kenneth	CEO, ISE Labs	Award↑	Ordinary Shares	40,000	—	—	109,000
2026-08-13	Chung Chih-Hsiao	GM, ASE Japan & Wuxi Tongzhi	Convert↓ Filing footnotes — Stock Option (Right to Buy) (Direct) The option exercise price reflects New Taiwan dollars. Reflects stock options to purchase Ordinary Shares. These stock options were granted on November 23, 2018 and are fully vested and exercisable.	Stock Option (Right to Buy)	73,000	—	—	0
2026-08-13	Chung Chih-Hsiao	GM, ASE Japan & Wuxi Tongzhi	Convert↑ Filing footnotes — Ordinary Shares (Direct) The option exercise price reflects New Taiwan dollars.	Ordinary Shares	73,000	$41.10	$3,000,300	395,000
2026-08-12	Chung Chih-Hsiao	GM, ASE Japan & Wuxi Tongzhi	Convert↓ Filing footnotes — Stock Option (Right to Buy) (Direct) The option exercise price reflects New Taiwan dollars. Reflects stock options to purchase Ordinary Shares. These stock options were granted on November 23, 2018 and are fully vested and exercisable.	Stock Option (Right to Buy)	292,000	—	—	73,000
2026-08-12	Chung Chih-Hsiao	GM, ASE Japan & Wuxi Tongzhi	Convert↑ Filing footnotes — Ordinary Shares (Direct) The option exercise price reflects New Taiwan dollars.	Ordinary Shares	292,000	$41.10	$12,001,200	322,000
2026-07-29	Lin Chung	GM, ASE Shanghai & Electronics	Convert↓ Filing footnotes — Stock Option (Right to Buy) (Direct) The option exercise price reflects New Taiwan dollars. Reflects stock options to purchase Ordinary Shares. These stock options were granted on August 18, 2023 and vest in seven semi-annual installments. 40% of the options vested on August 18, 2025, 10% of the options vested on February 18, 2026, and the remaining installments will vest at 10% each on August 18 2026, February 18, 2027, August 18, 2027, February 18, 2028 and August 18, 2028.	Stock Option (Right to Buy)	10,000	—	—	490,000
2026-07-29	Lin Chung	GM, ASE Shanghai & Electronics	Convert↓ Filing footnotes — Stock Option (Right to Buy) (Direct) The option exercise price reflects New Taiwan dollars. Reflects stock options to purchase Ordinary Shares. These stock options were granted on November 23, 2018 and are fully vested and exercisable.	Stock Option (Right to Buy)	25,000	—	—	0
2026-07-29	Lin Chung	GM, ASE Shanghai & Electronics	Convert↑ Filing footnotes — Ordinary Shares (Direct) The option exercise price reflects New Taiwan dollars.	Ordinary Shares	25,000	$41.10	$1,027,500	130,278
2026-07-29	Lin Chung	GM, ASE Shanghai & Electronics	Convert↑ Filing footnotes — Ordinary Shares (Direct) The option exercise price reflects New Taiwan dollars.	Ordinary Shares	10,000	$98.60	$986,000	140,278
2026-07-22	Uang Du-Tsuen	Chief Administration Officer	Sell↓ Filing footnotes — Ordinary Shares (Direct) New Taiwan Dollars.	Ordinary Shares	3,000	$665.00	$1,995,000	751,000
2026-07-15	Uang Du-Tsuen	Chief Administration Officer	Sell↓ Filing footnotes — Ordinary Shares (Direct) New Taiwan Dollars.	Ordinary Shares	3,000	$688.00	$2,064,000	754,000
2026-07-13	Chang Hung Pen	Director	Convert↑ Filing footnotes — Ordinary Shares (Direct) The option exercise price reflects New Taiwan dollars.	Ordinary Shares	3,000,000	$41.10	$123,300,000	3,000,000
2026-07-13	Chang Hung Pen	Director	Convert↑ Filing footnotes — Ordinary Shares (Direct) The option exercise price reflects New Taiwan dollars. The option exercise price was adjusted from $99.7 to $98.6 on July 11 due to cash dividend distribution.	Ordinary Shares	1,500,000	$98.60	$147,900,000	4,500,000
2026-07-13	Chang Hung Pen	Director	Convert↓ Filing footnotes — Stock Option (Right to Buy) (Direct) The option exercise price reflects New Taiwan dollars. Reflects stock options to purchase Ordinary Shares. These stock options were granted on November 23, 2018 and are fully vested and exercisable.	Stock Option (Right to Buy)	3,000,000	—	—	0
2026-07-13	Chang Hung Pen	Director	Convert↓ Filing footnotes — Stock Option (Right to Buy) (Direct) The option exercise price reflects New Taiwan dollars. Reflects stock options to purchase Ordinary Shares. These stock options were granted on August 18, 2023 and vest in seven semi-annual installments. 40% of the options vested on August 18, 2025, 10% of the options vested on February 18, 2026, and the remaining installments will vest at 10% each on August 18 2026, February 18, 2027, August 18, 2027, February 18, 2028 and August 18, 2028.	Stock Option (Right to Buy)	1,500,000	—	—	1,500,000
2026-07-06	Uang Du-Tsuen	Chief Administration Officer	Sell↓ Filing footnotes — Ordinary Shares (Direct) New Taiwan Dollars.	Ordinary Shares	2,000	$687.00	$1,374,000	757,000
2026-07-01	Uang Du-Tsuen	Chief Administration Officer	Sell↓ Filing footnotes — Ordinary Shares (Direct) New Taiwan Dollars.	Ordinary Shares	3,000	$709.00	$2,127,000	759,000
2026-06-30	Uang Du-Tsuen	Chief Administration Officer	Sell↓ Filing footnotes — Ordinary Shares (Direct) New Taiwan Dollars.	Ordinary Shares	3,000	$664.00	$1,992,000	764,000
2026-06-30	Uang Du-Tsuen	Chief Administration Officer	Sell↓ Filing footnotes — Ordinary Shares (Direct) New Taiwan Dollars.	Ordinary Shares	2,000	$687.00	$1,374,000	762,000
2026-06-23	Uang Du-Tsuen	Chief Administration Officer	Sell↓ Filing footnotes — Ordinary Shares (Direct) New Taiwan Dollars.	Ordinary Shares	3,000	$697.00	$2,091,000	767,000
2026-06-22	Uang Du-Tsuen	Chief Administration Officer	Sell↓ Filing footnotes — Ordinary Shares (Direct) New Taiwan Dollars.	Ordinary Shares	5,000	$667.00	$3,335,000	770,000
2026-06-18	Uang Du-Tsuen	Chief Administration Officer	Sell↓ Filing footnotes — Ordinary Shares (Direct) New Taiwan Dollars.	Ordinary Shares	3,000	$611.00	$1,833,000	775,000
2026-06-03	Uang Du-Tsuen	Chief Administration Officer	Sell↓ Filing footnotes — Ordinary Shares (Direct) New Taiwan Dollars.	Ordinary Shares	5,000	$617.00	$3,085,000	778,000
2026-06-01	Uang Du-Tsuen	Chief Administration Officer	Sell↓ Filing footnotes — Ordinary Shares (Direct) New Taiwan Dollars.	Ordinary Shares	5,000	$607.00	$3,035,000	783,000
2026-05-27	Chen Jeffrey	Director	Sell↓ Filing footnotes — Ordinary Shares (Indirect) New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any.	Ordinary Shares (I)	2,000	$653.00	$1,306,000	0
2026-05-26	Chen Jeffrey	Director	Sell↓ Filing footnotes — Ordinary Shares (Indirect) New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any.	Ordinary Shares (I)	9,000	$630.00	$5,670,000	2,000
2026-05-25	Chen Jeffrey	Director	Sell↓ Filing footnotes — Ordinary Shares (Indirect) New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any.	Ordinary Shares (I)	9,000	$590.00	$5,310,000	11,000
2026-05-22	Chen Jeffrey	Director	Sell↓ Filing footnotes — Ordinary Shares (Indirect) New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any.	Ordinary Shares (I)	9,000	$538.00	$4,842,000	20,000
2026-05-21	Chen Jeffrey	Director	Sell↓ Filing footnotes — Ordinary Shares (Indirect) New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any.	Ordinary Shares (I)	9,000	$505.00	$4,545,000	29,000
2026-05-20	Chen Jeffrey	Director	Sell↓ Filing footnotes — Ordinary Shares (Indirect) New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any.	Ordinary Shares (I)	9,000	$477.00	$4,293,000	38,000
2026-05-19	Chen Jeffrey	Director	Sell↓ Filing footnotes — Ordinary Shares (Indirect) New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any.	Ordinary Shares (I)	9,000	$483.00	$4,347,000	47,000
2026-05-18	Chen Jeffrey	Director	Sell↓ Filing footnotes — Ordinary Shares (Indirect) New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any.	Ordinary Shares (I)	9,000	$506.00	$4,554,000	56,000
2026-05-15	Chen Jeffrey	Director	Sell↓ Filing footnotes — Ordinary Shares (Indirect) New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any.	Ordinary Shares (I)	9,000	$563.00	$5,067,000	65,000
2026-05-14	Chen Jeffrey	Director	Sell↓ Filing footnotes — Ordinary Shares (Indirect) New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any.	Ordinary Shares (I)	9,000	$560.00	$5,040,000	74,000
2026-04-24	Chen Jeffrey	Director	Sell↓ Filing footnotes — Ordinary Shares (Indirect) New Taiwan Dollars. The Reporting Person disclaims beneficial ownership over the securities reported except to the extent of his pecuniary interest therein, if any.	Ordinary Shares (I)	9,000	$473.00	$4,257,000	83,000

Legend Buy — open-market purchase Sell — open-market sale ↑ Shares acquired ↓ Shares disposed (gift, conversion, tax…)

Showing 1–50 of 70 transactions

Key facts CIK 1122411 CUSIP 00215W100 13F (30d) 11 filings 11 filers Visit website Investor relations