Welcome to our dedicated page for AMKOR TECHNOLOGY SEC filings (Ticker: AMKR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Amkor Technology Inc. filings document the regulatory record for a Nasdaq-listed outsourced semiconductor packaging and test company. The company’s 8-K reports furnish results of operations and financial condition, disclose material agreements and other events, and describe capital-structure matters involving common stock, senior notes and convertible senior notes.
AMKR filings also cover governance and ownership subjects through definitive proxy materials, officer appointments and underwriting agreements related to registered secondary offerings. Recent debt disclosures describe 0.00% convertible senior notes due 2031, subsidiary guarantees and their relationship to other senior unsecured indebtedness, while earnings-related filings include non-GAAP measures such as EBITDA alongside GAAP results.
Amkor Technology CFO Megan Faust reported routine equity compensation activity involving restricted stock units. On February 24, 2026, 3,493 RSUs were exercised and converted into 3,493 shares of common stock at $0.00 per share, reflecting vesting of prior grants.
To cover tax withholding obligations from this vesting, 1,497 common shares were automatically disposed of at $48.53 per share, with Amkor paying the related taxes on her behalf. After these transactions, Faust directly owned 129,171 shares of Amkor common stock.
Amkor Technology EVP & General Counsel Mark N. Rogers exercised 1,880 restricted stock units into common stock on February 24, 2026, at no cash price under Amkor’s equity plan. To cover tax withholding on this vesting, 806 common shares were withheld at $48.53 per share, leaving him with 38,904 directly owned common shares.
Amkor Technology director David N. Watson exercised stock options for 20,000 shares of common stock on February 25, 2026, converting a Director Stock Option granted in 2016 and fully vested in 2017. A portion of the resulting shares (2,223) was surrendered to cover tax obligations, with no shares bought or sold in the open market.
Amkor Technology Executive Vice President Farshad Haghighi reported a net sale of common stock alongside RSU vesting activity. On February 24, 2026, 1,814 restricted stock units were converted into the same number of common shares at $0.00 per share, and 815 common shares were disposed of at $48.53 to cover tax withholding obligations related to the RSU vesting.
On February 25, 2026, Haghighi executed an open-market sale of 15,624 common shares at an average price of $50.50 per share. Following these transactions, he directly owned 8,354 shares of Amkor common stock.
Morgan Stanley Smith Barney LLC Executive Financial Services submitted a Form 144 disclosing the planned sale of 15,624 shares of common stock of AMKR. The disclosed lots are restricted stock and performance shares dated between 02/16/2026 and 02/24/2026.
The notice lists individual lots of 999, 5,771, 973, 3,943, 965, and 2,973 shares associated with issuer-restricted and performance-share issuances.
Kevin K. Engel reported planned sales of company common stock under Rule 144. The filing lists dispositions of 5,316 shares on 02/17/2026 for $244,719.40 and 11,000 shares on 12/12/2025 for $508,292.40.
The notice also records recent issuer awards: 786 restricted shares on 02/16/2026, 9,914 restricted shares on 02/20/2026, and 1,800 performance shares on 02/18/2026.
Amkor Technology, Inc. President and CEO Kevin K. Engel reported multiple equity award transactions dated February 20, 2026. He acquired shares of common stock through the exercise and conversion of restricted stock units granted in 2024 and 2025 under Amkor’s 2021 Equity Incentive Plan. A portion of the resulting common shares, at a value of $47.94 per share, was withheld and disposed of to cover his tax withholding obligations related to the vesting. According to the disclosure, Amkor will pay these taxes on his behalf, so the dispositions reflect tax-withholding rather than open-market sales.
Amkor Technology CFO Megan Faust reported RSU vesting and related share transactions. On February 20, 2026, restricted stock units converted into common stock in multiple exercises, including 16,805 and 18,106 RSUs. The resulting common shares increased her direct ownership.
To cover tax withholding obligations tied to these vestings, the company withheld 7,201 and 7,759 shares of common stock at a price of $47.94 per share, described as tax-withholding dispositions rather than open-market sales. After these transactions, Faust continued to hold common stock directly.
Amkor Technology EVP & General Counsel Mark N. Rogers reported the vesting and conversion of restricted stock units into common stock, along with related tax-withholding transactions, on February 20, 2026. He acquired 7,422 and 8,690 shares of common stock upon RSU vesting, while 3,181 and 3,724 shares were withheld at $47.94 per share to cover tax obligations. The RSUs were granted on February 20, 2024 and February 20, 2025 and vest in three equal annual installments. Following these transactions, Rogers directly owned 37,830 shares of Amkor common stock.
Amkor Technology director Guillaume Rutten reported equity compensation activity involving restricted stock units and common shares. On February 20, 2026, he exercised time-vested RSUs granted under Amkor’s Equity Incentive Plan from February 20, 2024 and February 20, 2025, converting them into common stock at no cash cost. The RSUs were awarded solely in exchange for his service as a company service provider and vest over three years under predefined schedules, resulting in the acquisition of blocks of common shares that he now holds directly.