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

GMAB Congressional Stock Trades

Genmab A/S - American Depositary Shares

Last disclosed trade Mar 30

Every disclosed trade in GMAB 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.

Alan Armstrong · Bought $GMAB · Mar 30 · $1K–$15K

0.25LOW
Disclosure speedx 0.250.10
Trade sizex 0.250.20
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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2
Disclosed trades
1
Buys
1
Sells
2
Members trading

The record on $GMAB

Coldpine has parsed 2 disclosed trades in $GMAB by 2 members of Congress, drawn from 2 periodic transaction reports dated Sep 15, 2023 through Mar 30, 2026. That is 1 trade from House members and 1 trade from senators, filed 1 by Democrats and 1 by Republicans.

Of the 2 trades with a known filing lag, 1 was reported more than 45 days after the trade date, outside the window the STOCK Act sets. The median lag was 72 days. The longest was 113 days: a $GMAB purchase by Alan Armstrong dated Mar 30, 2026, disclosed Jul 21, 2026. How late filing is measured across all of Congress is in the late-filers study.

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

Alan Armstrong filed the most $GMAB purchases (1), and Josh Gottheimer the most sales (1).

Members who trade GMAB

Recent disclosed trades in GMAB

DateMemberTypeAmount
Mar 30Alan Armstrong(OK)buy$1K–$15K
Sep 15Josh Gottheimer(NJ)sell$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 →