Wednesday, September 16, 2026Latest filing Sep 14, 2026

AMKR Congressional Stock Trades

Amkor Technology, Inc. - Common Stock

Last disclosed trade Feb 4

Every disclosed trade in AMKR by members of Congress under the STOCK Act, parsed by Coldpine. Informational only, sourced from public filings. Not investment advice.

Sample · the intelligence layer

Coldpine signal scoreA 0-1 composite from four weighted factors: disclosure speed, trade size, cluster activity (multiple members buying the same name), and the member’s track record. ≥ 0.65 is the high-conviction tier; ≥ 0.50 is moderate. Trades from trust-managed members are penalized (× 0.2 multiplier). It’s research, not a recommendation.

Markwayne Mullin · Bought $AMKR · Feb 4 · $15K–$50K

0.38LOW
Disclosure speedx 0.250.30
Trade sizex 0.250.50
Cluster activityx 0.150.00
Track recordx 0.35default0.50

Every disclosed trade in the database gets this treatment: a four-factor score and a written read from Coldpine’s AI-based analysis. Informational only, not investment advice. Create a free account for every scored trade →

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3
Disclosed trades
3
Buys
0
Sells
1
Members trading

The record on $AMKR

Coldpine has parsed 3 disclosed trades in $AMKR by 1 member of Congress, drawn from 2 periodic transaction reports dated Jan 5, 2026 through Feb 4, 2026. All of them came from senators, all filed by Republicans.

Of the 3 trades with a known filing lag, every one was reported inside the STOCK Act's 45-day window. The median lag was 30 days. The longest was 30 days: a $AMKR purchase by Markwayne Mullin dated Jan 5, 2026, disclosed Feb 4, 2026. How late filing is measured across all of Congress is in the late-filers study.

2 of the 3 trades that list an account holder (67%) were reported under a spouse, dependent child, or joint account rather than the member directly.

Members who trade AMKR

Recent disclosed trades in AMKR

DateMemberTypeAmount
Feb 4Markwayne Mullin(OK)buy$15K–$50K
Jan 5Markwayne Mullin(OK)buy$15K–$50K
Jan 5Markwayne Mullin(OK)buy$15K–$50K

Data sourced from public STOCK Act disclosures. Coldpine is a publisher of intelligence on congressional disclosures, not an investment adviser. See full history and scores, free with an account →