Analysis: Markwayne Mullin's purchase of AMKR (Amkor Technology, Inc.)

Assessment: On watch

Conviction buy in a semiconductor packaging leader by an Appropriations member, likely timing a dip after a relevant industry hearing.

Member: Markwayne Mullin
Party / state: Republican, Oklahoma
Chamber: Senate
Transaction: Purchase
Amount: $15,001 - $50,000
Ticker: AMKR
Company: Amkor Technology, Inc.
Trade date: 2026-02-04
Disclosure date: 2026-03-02
Disclosure lag: 26 days

Executive summary

Senator Markwayne Mullin, a member of the Senate Armed Services and Appropriations Committees, increased his position in Amkor Technology (AMKR) on February 4, 2026. This follows an initial entry in January 2026 and coincides with broader legislative focus on semiconductor supply chain resilience and CHIPS Act funding.

The purchase of AMKR represents a doubling down on a relatively new position for Senator Mullin. The timing is notable as it occurs shortly after a Senate hearing regarding semiconductor packaging and within a window of high activity for the Senator, who executed over 15 transactions on the same day. While Mullin is not on the Commerce Committee, his roles on Armed Services and Appropriations provide exposure to national security-related supply chain discussions and federal funding allocations. The stock price at the time of the second purchase ($43.87) was lower than his initial entry ($48.13), suggesting a cost-averaging strategy. No other congressional members were observed trading this ticker during the period.

Timeline

2026-01-05 — Mullin makes initial purchase of AMKR ($15k-$50k)
2026-01-28 — Senate hearing on CHIPS Act implementation and semiconductor packaging
2026-02-04 — Mullin makes second purchase of AMKR ($15k-$50k)
2026-03-02 — Mullin discloses February transactions

Independent analysis of public financial disclosures. Not financial or investment advice.

Sources

Markwayne Mullin · AMKR · Trading news