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Who in Congress Has Traded Genmab A/S (GMAB)?

The Genmab A/S line shows up 5 times in the congressional disclosure record between 2018 and 2026, filed by 3 members: 5 purchases against 0 sales. On balance the chamber has been net buyers, and the purchases sit up 28.6% against the latest close.

5Trades
5Buys
0Sells
3Members
$33.23Latest close 2026-08-28
+28.6%Congress buys vs latest close*

*Purchases only, weighted by the midpoint of each disclosed dollar band and marked to the latest close. Filings report a range, never a share count, so this follows the stock rather than anyone's position size.

100% buys0% sells

How it splits by party

Republicans
2 buys · 0 sells
1 member · 2 trades
Democrats
2 buys · 0 sells
1 member · 2 trades
DateMemberTypeAmountEst. priceLatest closeReturn
2026-03-30Alan ArmstrongBUY$1K–$15K$25.83$33.23 2026-08-28+28.6%
2020-11-20Thomas R CarperBUY$1K–$15K$36.53$33.23 2026-08-28-9.0%
2020-11-20Thomas R CarperBUY$1K–$15K$36.53$33.23 2026-08-28-9.0%
2018-12-12James B. RenacciBUY$15K–$50K$15.99$33.23 2026-08-28+107.8%
2018-02-28James B. RenacciBUY$1K–$15K$20.80$33.23 2026-08-28+59.8%

Buys are marked to the latest close and treated as open. A sell tagged rt closes an earlier disclosed buy in the same name. exit shows how the stock moved after the member sold.

Frequently asked — Genmab A/S (GMAB) congressional trades

Which lawmakers have traded Genmab A/S (GMAB)?

3 members of the U.S. House and Senate have disclosed Genmab A/S transactions under the STOCK Act — 5 purchases and 0 sales. The full member-by-member breakdown, with dates and dollar ranges, is in the table above.

Which lawmakers bought GMAB recently?

No member of Congress has disclosed a GMAB purchase in the last 90 days. STOCK Act filings lag the trade by up to 45 days, so newer buys may still be pending disclosure.

How have Congress's GMAB trades performed?

Notional-weighted, lawmakers' disclosed GMAB buys are up 28.6% versus the latest close of $33.23. Each trade's own return — and realized round-trips on matched sells — is in the Return column.

Is it legal for members of Congress to trade Genmab A/S?

Yes. Under the 2012 STOCK Act, members of Congress may buy and sell individual stocks but must publicly disclose each transaction within 45 days. Bargo surfaces those filings so you can see who traded GMAB and how it performed.

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