Insider at

04

Insider transactions

05
0 buys (P) 10 sells (S) Net: $-3,907,350 + 81 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

81 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 17, 2026 AMKR S 10b5-1 5,000 $59.78 $298,900 38,904 Direct -11.39% Disposed -8.2% (price as of 2026-10-05)
July 16, 2026 AMKR S 10b5-1 5,000 $65.12 $325,600 38,904 Direct -11.39% Disposed -15.8% (price as of 2026-10-05)
June 16, 2026 AMKR S 10b5-1 5,000 $86.21 $431,050 38,904 Direct -11.39% Disposed -36.4% (price as of 2026-10-05)
May 18, 2026 AMKR S 10b5-1 5,000 $71.63 $358,150 38,904 Direct -11.39% Disposed -23.4% (price as of 2026-10-05)
April 16, 2026 AMKR S 10b5-1 5,000 $59.43 $297,150 38,904 Direct -11.39% Disposed -7.7% (price as of 2026-10-05)
March 16, 2026 AMKR S 10b5-1 5,000 $44.54 $222,700 38,904 Direct -11.39% Disposed 23.1% (price as of 2026-10-05)
Feb. 17, 2026 AMKR S 10b5-1 5,000 $46.92 $234,600 24,922 Direct -16.71% Disposed 16.9% (price as of 2026-10-05)
Jan. 16, 2026 AMKR S 10b5-1 5,000 $49.28 $246,400 23,862 Direct -17.32% Disposed 11.3% (price as of 2026-10-05)
Dec. 16, 2025 AMKR S 10b5-1 20,000 $42.95 $859,000 23,862 Direct -45.60% Disposed 27.7% (price as of 2026-10-05)
Nov. 17, 2025 AMKR S 10b5-1 20,000 $31.69 $633,800 23,862 Direct -45.60% Disposed 73.1% (price as of 2026-10-05)
July 31, 2025 AMKR S 15,000 $23.58 $353,700 23,862 Direct -38.60% Disposed 132.6% (price as of 2026-10-05)
May 2, 2024 AMKR S 5,000 $31.30 $156,500 25,280 Direct -16.51% Disposed 75.2% (price as of 2026-10-05)
Nov. 3, 2023 AMKR S 5,000 $23.84 $119,200 20,815 Direct -19.37% Disposed 130.1% (price as of 2026-10-05)
Feb. 12, 2021 AMKR S 50,000 $25.34 $1,267,000 2,500 Direct -95.24% Disposed 116.5% (price as of 2026-10-05)
March 9, 2020 AMKR P 2,500 $9.14 $22,850 2,500 Direct · Acquired 500.1% (price as of 2026-10-05)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Aug. 17, 2026 AMKR Employee Stock Option (Right-to-Buy) Common Stock (5,000) $7.40 June 10, 2029 5,000 Disposed
July 16, 2026 AMKR Employee Stock Option (Right-to-Buy) Common Stock (5,000) $7.40 June 10, 2029 5,000 Disposed
June 16, 2026 AMKR Employee Stock Option (Right-to-Buy) Common Stock (5,000) $7.40 June 10, 2029 5,000 Disposed
May 18, 2026 AMKR Employee Stock Option (Right-to-Buy) Common Stock (5,000) $7.40 June 10, 2029 5,000 Disposed
April 16, 2026 AMKR Employee Stock Option (Right-to-Buy) Common Stock (5,000) $7.40 June 10, 2029 5,000 Disposed
March 16, 2026 AMKR Employee Stock Option (Right-to-Buy) Common Stock (5,000) $7.40 June 10, 2029 5,000 Disposed
Feb. 24, 2026 AMKR Restricted Stock Units Common Stock (1,880) · · 1,880 Disposed
Feb. 20, 2026 AMKR Restricted Stock Units Common Stock (7,422) $0.00 · 7,422 Disposed
Feb. 20, 2026 AMKR Restricted Stock Units Common Stock (8,690) $0.00 · 8,690 Disposed
Feb. 18, 2026 AMKR Restricted Stock Units Common Stock (14,976) $0.00 · 14,976 Acquired
Feb. 17, 2026 AMKR Employee Stock Option (Right-to-Buy) Common Stock (5,000) $7.40 June 10, 2029 5,000 Disposed
Feb. 16, 2026 AMKR Restricted Stock Units Common Stock (1,856) · · 1,856 Disposed
Jan. 16, 2026 AMKR Employee Stock Option (Right-to-Buy) Common Stock (5,000) $7.40 June 10, 2029 5,000 Disposed
Dec. 16, 2025 AMKR Employee Stock Option (Right-to-Buy) Common Stock (20,000) $7.40 June 10, 2029 20,000 Disposed
Nov. 17, 2025 AMKR Employee Stock Option (Right-to-Buy) Common Stock (20,000) $7.40 June 10, 2029 20,000 Disposed
Feb. 24, 2025 AMKR Restricted Stock Units Common Stock (1,881) · · 1,881 Disposed
Feb. 20, 2025 AMKR Restricted Stock Units Common Stock (26,075) $0.00 · 26,075 Acquired
Feb. 20, 2025 AMKR Restricted Stock Units Common Stock (7,422) $0.00 · 7,422 Disposed
Feb. 14, 2025 AMKR Restricted Stock Units Common Stock (1,856) $0.00 · 1,856 Disposed
Feb. 11, 2025 AMKR Restricted Stock Units Common Stock (1,634) $0.00 · 1,634 Disposed
Feb. 23, 2024 AMKR Restricted Stock Units Common Stock (1,881) · · 1,881 Disposed
Feb. 20, 2024 AMKR Restricted Stock Units Common Stock (22,268) · · 22,268 Acquired
Feb. 16, 2024 AMKR Restricted Stock Units Common Stock (1,856) $0.00 · 1,856 Disposed
Feb. 9, 2024 AMKR Restricted Stock Units Common Stock (1,634) $0.00 · 1,634 Disposed
Feb. 24, 2023 AMKR Restricted Stock Units Common Stock (1,881) · · 1,881 Disposed
Feb. 16, 2023 AMKR Restricted Stock Units Common Stock (7,423) · · 7,423 Acquired
Feb. 10, 2023 AMKR Restricted Stock Units Common Stock (1,634) $0.00 · 1,634 Disposed
Feb. 12, 2021 AMKR Employee Stock Option (Right-to-Buy) Common Stock (50,000) $7.40 June 10, 2029 50,000 Disposed
June 10, 2019 AMKR Employee Stock Option (Right-to-Buy) Amkor Technology, Inc., Common Stock (200,000) $7.40 June 10, 2029 200,000 Acquired

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

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

AMKR

General Counsel
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $560,000 · · · $528,360 · $24,642 $2,288,307
2024 $560,000 · · · $423,640 · $10,000 $2,289,184
2023 $550,000 · · · $303,875 · $10,000 $1,916,782

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.