Amkor Technology (AMKR): Congress and insider trades

Who in Congress and inside the company traded AMKR, when each filing appeared, and what buying after each one would have earned against the S&P 500.

Key Facts

  • Amkor Technology (AMKR) is a listed stock on NASDAQ.
  • 1 member of Congress filed 3 buys and 0 sells of AMKR, the latest published 2026-03-02 (2 March 2026).
  • Insiders filed 0 open market buys worth $0 and 18 sells worth $7.9M, the latest filed 2026-09-10 (10 September 2026).
  • Across 2 scored buys, Congress averaged +58.9% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to draw a conclusion.
  • Data as of 2026-09-29 (29 September 2026).
Congress buys 3 1 members
Congress sells 0
Insider buys 0 $0
Insider sells 18 $7.9M
Congress buys vs S&P, 90d +58.9% 2 scored buys
Insider buys vs S&P, 90d n/a 0 scored buys

Congress trades in AMKR

as of 2026-03-02
  1. Markwayne Mullin3 trades
Congress trades in AMKR, newest first.
FiledMemberTypeSizeDays to file90 day vs S&P
2 Mar 2026 Markwayne Mullin (R-OK) buy 15K–50K 26 +51.7%
4 Feb 2026 Markwayne Mullin (R-OK) buy 15K–50K 30 +66.2%
4 Feb 2026 Markwayne Mullin (R-OK) buy 15K–50K 30 +66.2%

Insider trades in AMKR

as of 2026-09-10
Open market insider trades in AMKR, newest first.
FiledInsiderTypeSharesPriceValue90 day vs S&P
10 Sep 2026 Faust Megan sell 1,000 $49.05 $49.0K n/a
19 Aug 2026 ROGERS MARK N sell 5,000 $59.78 $299K n/a
13 Aug 2026 Faust Megan sell 1,000 $54.45 $54.5K n/a
11 Aug 2026 ALEXANDER DOUGLAS A sell 5,000 $55.81 $279K n/a
7 Aug 2026 Rutten Guillaume Marie Jean sell 25,000 $54.50 $1.4M n/a
7 Aug 2026 Rutten Guillaume Marie Jean sell 25,000 $55.35 $1.4M n/a
31 Jul 2026 Engel Kevin K. sell 3,221 $47.00 $151K n/a
20 Jul 2026 ROGERS MARK N sell 5,000 $65.12 $326K n/a
16 Jul 2026 Faust Megan sell 1,000 $69.91 $69.9K n/a
18 Jun 2026 ROGERS MARK N sell 5,000 $86.21 $431K n/a
11 Jun 2026 Faust Megan sell 1,000 $70.30 $70.3K n/a
20 May 2026 ROGERS MARK N sell 5,000 $71.63 $358K n/a
20 May 2026 Faust Megan sell 1,000 $64.60 $64.6K n/a
7 May 2026 ALEXANDER DOUGLAS A sell 5,000 $76.58 $383K n/a
7 May 2026 CHURCHILL WINSTON J sell 7,000 $76.45 $535K n/a
7 May 2026 Carolin Roger Anthony sell 20,000 $76.24 $1.5M n/a
20 Apr 2026 ROGERS MARK N sell 5,000 $59.43 $297K n/a
18 Mar 2026 ROGERS MARK N sell 5,000 $44.54 $223K n/a

Frequently asked questions

Who has bought AMKR?

3 Congress buys by 1 member and 0 insider buys are on file. The tables on this page list every one.

Did buying AMKR after a disclosure beat the market?

Across 2 scored buys, Congress averaged +58.9% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to draw a conclusion. A single stock is a small sample.

Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.

Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.