Chang Chien Shen 4
4 · ASE Technology Holding Co., Ltd. · Filed Apr 13, 2026
Research Summary
AI-generated summary of this filing
ASE Technology Director Chang Chien Shen Exercises Stock Options
What Happened
- Chang Chien Shen, a director of ASE Technology Holding Co., exercised stock options on April 9, 2026 to acquire a total of 4,500,000 ordinary shares. The exercise broke down as 3,000,000 shares at NT$41.10 each (NT$123,300,000) and 1,500,000 shares at NT$99.70 each (NT$149,550,000), for a total cash payment of NT$272,850,000. The filing shows corresponding dispositions of the derivative option instruments (the options surrendered/converted) at $0, consistent with option exercise.
Key Details
- Transaction date: 2026-04-09; Form 4 filed: 2026-04-13 (appears timely under the 2-business-day Form 4 rule).
- Acquired shares and prices: 3,000,000 @ NT$41.10 (NT$123,300,000) and 1,500,000 @ NT$99.70 (NT$149,550,000); total NT$272,850,000. Disposed derivatives: 3,000,000 and 1,500,000 option instruments (reflecting the exercised options).
- Currency: NT$ = New Taiwan Dollars (footnote F1).
- Shares owned after transaction: Not provided in the data excerpt supplied.
- Footnotes: F2 = options granted Nov 23, 2018 (fully vested/exercisable). F3 = options granted Aug 18, 2023 with staggered vesting (40% vested Aug 18, 2025; 10% vested Feb 18, 2026; remaining 10% installments on Aug/Feb dates through Aug 18, 2028).
- Transaction code: M = exercise/conversion of derivative security. No 10b5-1 plan, tax withholding or cashless-sale notation provided; no immediate sale of acquired shares was reported.
Context
- This was an exercise of stock options (derivative conversion), not an open-market sale. The Form 4 shows the options were surrendered/converted and underlying shares acquired — not a cashless exercise where shares are immediately sold to cover cost. Exercises can increase an insider’s shareholdings (a purchase of shares), but they also require a cash outlay equal to the strike price. Retail investors should watch subsequent filings for any later sales or updated ownership levels.
Insider Transaction Report
Form 4
Chang Chien Shen
Director
Transactions
- Exercise/Conversion
Ordinary Shares
[F1]2026-04-09$41.10/sh+3,000,000$123,300,000→ 4,747,647 total - Exercise/Conversion
Ordinary Shares
[F1]2026-04-09$99.70/sh+1,500,000$149,550,000→ 6,247,647 total - Exercise/Conversion
Stock Option (Right to Buy)
[F1][F2]2026-04-09−3,000,000→ 0 totalExercise: $41.10Exp: 2028-11-22→ Ordinary Shares (3,000,000 underlying) - Exercise/Conversion
Stock Option (Right to Buy)
[F1][F3]2026-04-09−1,500,000→ 1,500,000 totalExercise: $99.70Exp: 2033-08-17→ Ordinary Shares (1,500,000 underlying)
Holdings
- 684,327,886(indirect: By ASE Enterprises Limited)
Ordinary Shares
- 265,024,820(indirect: By Value Tower Ltd.)
Ordinary Shares
Footnotes (3)
- [F1]New Taiwan Dollars.
- [F2]Reflects stock options to purchase Ordinary Shares. These stock options were granted on November 23, 2018 and are fully vested and exercisable.
- [F3]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 at10% each on August 18 2026, February 18, 2027, August 18, 2027, February 18, 2028 and August 18, 2028.
Signature
/s/ Georgette Yeh, attorney-in-fact for Chien Shen Chang|2026-04-13