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

ARCH Congressional Stock Trades

Arch Resources Inc Cl A (ARCH)

Last disclosed trade Jul 5

Every disclosed trade in ARCH 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.

Byron Donalds · Bought $ARCH · Dec 7 · $1K–$15K

0.26LOW
Disclosure speedx 0.250.10
Trade sizex 0.250.20
Cluster activityx 0.150.00
Track recordx 0.350.53

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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4
Disclosed trades
2
Buys
2
Sells
1
Members trading

The record on $ARCH

Coldpine has parsed 4 disclosed trades in $ARCH by 1 member of Congress, drawn from 1 periodic transaction report dated Dec 7, 2022 through Jul 5, 2023. All of them came from House members, all filed by Republicans.

Of the 4 trades with a known filing lag, 4 were reported more than 45 days after the trade date, outside the window the STOCK Act sets. The median lag was 597 days. The longest was 702 days: a $ARCH purchase by Byron Donalds dated Dec 7, 2022, disclosed Nov 8, 2024. How late filing is measured across all of Congress is in the late-filers study.

2 of the 4 trades that list an account holder (50%) were reported under a spouse, dependent child, or joint account rather than the member directly.

Members who trade ARCH

Recent disclosed trades in ARCH

DateMemberTypeAmount
Jul 5Byron Donalds(FL)sell$1K–$15K
Jul 5Byron Donalds(FL)sell$1K–$15K
Dec 7Byron Donalds(FL)buy$1K–$15K
Dec 7Byron Donalds(FL)buy$1K–$15K

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 →