Verified current memberAppointed caretaker senator

Alan Armstrong

Republican · U.S. Senate · OK

Alan Armstrong is serving as Oklahoma’s appointed caretaker U.S. senator. He was appointed on March 24, 2026, to fill the vacancy created when Markwayne Mullin resigned from the Senate, and his temporary service runs through January 2027. Armstrong was appointed—not elected—to the current term.

Congressional data updated Aug 24, 2026

Official portrait of Alan Armstrong — Public-source portrait

At a Glance

Highlights from available records. Missing information does not mean an activity did not occur.

Current committee assignments

Distinct linked committees and subcommittees in the available membership records.

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Temporary appointed service

Armstrong is serving as a caretaker senator through January 2027

This is an appointed, temporary Senate term—not a term Armstrong won in an election. Oklahoma’s governor selected him to fill the vacancy left by Markwayne Mullin’s resignation.

U.S. Senate appointment record ↗Armstrong Senate office service dates ↗

Canonical FEC Schedule A receipts

FEC-Identified PAC Contributions

Net itemized PAC receipts

$0No tracked cycle

Gross itemized PAC receipts

$0Before refunds and offsets

Refunds / offsets

Largest identified PAC

None recorded

This replaces the older recipient-side PAC estimate. Every row comes from the candidate campaign’s Schedule A filings and is identified by FEC committee ID. Parent organizations appear only after review; names never create the link.

No itemized PAC receipts are currently available for this cycle.

Institutional position