Recent 8-K filings for AMKR

• July 27, 2026, 4:08 PM ET earnings materiality 0.80 positive item 2.02item 9.01

  Amkor Q2 net sales $1.90B (+26% YoY); EPS $0.70; Q3 guidance $1.95-2.05B

  Net sales $1.90B, up 26% YoY; net income $174M, diluted EPS $0.70.

• May 5, 2026, 7:59 PM ET debt materiality 0.65 neutral item 1.01item 2.03item 3.02item 9.01 ◈ Debt Financings◈ Equity Issuances◈ Material Agreements

  Amkor issues $1.15B zero-coupon convertible notes due 2031; enters capped call transactions

  Issued $1,150M aggregate principal of 0.00% Convertible Senior Notes due July 15, 2031.

• May 1, 2026, 7:59 PM ET debt materiality 0.75 neutral item 8.01item 9.01

  Amkor Technology prices $1B zero-coupon convertible notes due 2031, conversion price $106.37

  $1,000M aggregate principal of 0.00% Convertible Senior Notes due 2031 priced; initial purchasers have option for additional $150M.

• April 30, 2026, 7:59 PM ET debt materiality 0.65 neutral item 8.01item 9.01

  Amkor announces $1B convertible notes offering due 2031

  $1,000,000,000 aggregate principal of convertible senior notes due 2031; option for additional $150M.

• April 27, 2026, 7:59 PM ET earnings materiality 0.75 positive item 2.02item 9.01

  Amkor posts record Q1 revenue $1.68B, up 27% YoY; EPS $0.33; authorizes $300M buyback

  Record Q1 net sales $1.685B, up 27% YoY from $1.322B; gross margin 14.2% vs 11.9% YoY.

• February 9, 2026, 6:59 PM ET earnings materiality 0.70 neutral item 2.02item 9.01

  Amkor Q4 net sales $1.89B up 16% YoY; guides Q1 2026 net sales $1.60-1.70B

  Q4 net sales $1.89B (+16% YoY); net income $172M ($0.69 diluted EPS).

• October 27, 2025, 7:59 PM ET leadership materiality 0.85 positive item 2.02item 5.02item 7.01item 9.01

  Amkor reports Q3 revenue $1.987B (+31% seq), EPS $0.51; CEO Rutten to retire, Engel named successor

  Q3 net sales $1.987B (+31% seq), net income $127M, diluted EPS $0.51.

• September 22, 2025, 7:59 PM ET debt materiality 0.65 positive item 1.01item 2.03item 8.01item 9.01 ◈ Debt Financings

  Amkor issues $500M 5.875% notes due 2033, redeems $400M 6.625% notes due 2027

  Issued $500M aggregate principal of 5.875% Senior Notes due October 1, 2033; interest payable semi-annually April 1 and October 1 starting April 2026.

• September 8, 2025, 7:59 PM ET debt materiality 0.60 neutral item 8.01item 9.01

  Amkor prices $500M of 5.875% senior notes due 2033, to redeem $400M 6.625% notes due 2027

  $500M aggregate principal 5.875% Senior Notes due 2033 priced; expected close Sept 22, 2025.

• July 28, 2025, 7:59 PM ET earnings materiality 0.75 positive item 2.02item 9.01

  Amkor Q2 revenue $1.51B, above guidance; Q3 EPS outlook $0.34-0.48

  Net sales $1.511B, up 14% sequentially; EPS $0.22 (incl. $0.07 Nanium benefit).

• April 28, 2025, 7:59 PM ET earnings materiality 0.70 negative item 2.02item 9.01

  Amkor Q1 EPS $0.09 (down 63% YoY); guides Q2 rev $1.375-1.475B

  Net sales $1.32B, down from $1.366B YoY and $1.629B QoQ; net income $21M ($0.09 diluted EPS).

• February 10, 2025, 6:59 PM ET earnings materiality 0.75 negative item 2.02item 9.01

  Amkor Tech Q4 2024 net sales $1.63B, EPS $0.43; guides Q1 2025 well below Q4

  Q4 2024 net sales $1.63B, net income $106M ($0.43 diluted EPS); full-year net sales $6.32B, net income $354M ($1.43 EPS).

• October 28, 2024, 7:59 PM ET earnings materiality 0.75 neutral item 2.02item 9.01

  Amkor Q3 revenue $1.86B (+27% seq); EPS $0.49; guides Q4 rev $1.60-1.70B

  Net sales $1.86B, up 27% sequentially; gross margin 14.6% vs 14.5% in Q2 2024.

• September 18, 2024, 7:59 PM ET leadership materiality 0.65 neutral item 5.02item 7.01item 9.01 ◈ executive_change ×3

  Founder James Kim to retire as Executive Chairman; Susan Kim becomes Chairman Oct 31

  James J. Kim steps down as Executive Chairman effective October 31, 2024.

• July 29, 2024, 7:59 PM ET earnings materiality 0.75 positive item 2.02item 9.01

  Amkor Q2 revenue $1.46B, EPS $0.27; Q3 guide revenue ~$1.83B, EPS ~$0.49

  Q2 net sales $1.461B, up 7% sequentially; net income $67M ($0.27 diluted EPS).

• April 29, 2024, 7:59 PM ET earnings materiality 0.70 neutral item 2.02item 9.01 ◈ Earnings Releases

  Amkor Q1 net sales $1.37B, EPS $0.24 in line; sees Q2 sales $1.4-1.5B

  Net sales $1.37B (down 7% YoY), net income $59M, diluted EPS $0.24.

• February 5, 2024, 6:59 PM ET earnings materiality 0.80 negative item 2.02item 9.01 ◈ Earnings Releases ×3

  Amkor Q4 net sales $1.75B, net income $118M; FY2023 rev down 8% YoY; guides Q1 weak

  Q4 net sales $1.75B; net income $118M ($0.48 diluted EPS). Full year net sales $6.50B (-8% YoY); net income $360M ($1.46 EPS) vs $766M ($3.11 EPS) in 2022.

• October 30, 2023, 7:59 PM ET earnings materiality 0.75 neutral item 2.02item 9.01 ◈ Earnings Releases ×2

  Amkor Q3 net sales $1.82B, EPS $0.54; Q4 guidance $1.625-1.725B

  Net sales $1.822B up 25% sequentially but down 12.6% YoY from $2.084B.

• September 7, 2023, 7:59 PM ET other material materiality 0.70 neutral item 8.01item 9.01

  Amkor Technology registers secondary offering of 10M shares by Kim family affiliate at $23.22/sh

  Selling stockholder 915 Investments, LP (Kim family affiliate) selling 10M AMKR shares at $23.22 per share.

• July 31, 2023, 7:59 PM ET earnings materiality 0.70 negative item 2.02item 9.01 ◈ Earnings Releases

  Amkor Q2 net income falls to $64M from $125M YoY; guides Q3 sales $1.73B-$1.83B

  Net sales $1.46B, down from $1.51B YoY; gross margin 12.8% vs 16.6%.

• May 1, 2023, 7:59 PM ET earnings materiality 0.80 negative item 2.02item 9.01 ◈ Earnings Releases ×2

  Amkor Q1 2023 net sales $1.47B, net income $45M; EPS $0.18 down 74% YoY

  Net sales $1.47B, down 8% YoY from $1.60B; net income $45M vs $171M.

• February 13, 2023, 6:59 PM ET earnings materiality 0.80 negative item 2.02item 9.01 ◈ Earnings Releases ×3

  Amkor reports record FY2022 revenue $7.09B, EPS $3.11; Q1 guidance weak with revenue down 9% YoY

  FY2022 record net sales $7.09B (+16% YoY), record net income $766M, diluted EPS $3.11.

• October 31, 2022, 7:59 PM ET earnings materiality 0.85 positive item 2.02item 9.01 ◈ Earnings Releases ×2

  Amkor posts record Q3: revenue $2.1B (+24% YoY), EPS $1.24; Q4 guidance soft

  Net sales $2,084M, up 24% YoY; net income $306M, EPS $1.24 diluted (quarterly records).

• August 1, 2022, 7:59 PM ET earnings materiality 0.75 positive item 2.02item 9.01

  Amkor Q2 revenue $1.5B, EPS $0.51; Q3 guidance $1.88-1.98B

  Q2 net sales $1.5B, net income $125M ($0.51 diluted EPS); record Q2 revenue, down sequentially from Q1.

• May 2, 2022, 7:59 PM ET earnings materiality 0.75 neutral item 2.02item 9.01

  Amkor Q1 net sales $1.6B +20% YoY, EPS $0.69; Q2 guide hit by Shanghai COVID lockdown

  Q1 net sales $1.597B (+20% YoY); net income $171M ($0.69 diluted EPS); gross margin 20.4%.

• February 14, 2022, 6:59 PM ET earnings materiality 0.85 positive item 2.02item 9.01

  Amkor posts record FY2021 revenue $6.14B, EPS $2.62; Q1 2022 guidance issued

  Q4 net sales $1.72B (record), up 26% YoY; EPS $0.88 (record).

• October 25, 2021, 7:59 PM ET earnings materiality 0.80 positive item 2.02item 9.01

  Amkor Technology posts record Q3 2021 revenue of $1.68B, EPS $0.74, up 95% YoY

  Record net sales $1.68B, up 20% sequentially and 24% YoY; all end markets set new records.

• July 26, 2021, 7:59 PM ET earnings materiality 0.85 positive item 2.02item 9.01

  Amkor Q2 net sales record $1.41B (+20% YoY); EPS $0.51; Q3 guidance $1.65-1.75B

  Net sales of $1.407B (+20% YoY, +6% sequential), above high end of guidance.

Executive changes

Earnings & guidance

Materiality & sentiment trend

Max materiality 0.85 · Median 0.65 · Most common event earnings

12 positive 6 negative 29 neutral

source · AMKR on sec.gov