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Who in Congress Has Traded Vaisala Oy (VAIAF)?

The Vaisala Oy line shows up 3 times in the congressional disclosure record between 2018 and 2021, filed by 1 member: 2 purchases against 1 sale. On balance the chamber has been net buyers.

3Trades
2Buys
1Sells
1Members
$58.88Latest close 2026-08-28
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.

67% buys33% sells

How it splits by party

Democrats
2 buys · 1 sells
1 member · 3 trades
DateMemberTypeAmountEst. priceLatest closeReturn
2021-11-18Peter WelchSELL$15K–$50K$60.16$58.88 2026-08-28+131.4% rt
2019-07-16Peter WelchBUY$1K–$15K$19.50$58.88 2026-08-28+201.9%
2018-07-16Peter WelchBUY$1K–$15K$26.00$58.88 2026-08-28+126.5%

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 — Vaisala Oy (VAIAF) congressional trades

Which lawmakers have traded Vaisala Oy (VAIAF)?

1 member of the U.S. House and Senate has disclosed Vaisala Oy transactions under the STOCK Act — 2 purchases and 1 sale. The full member-by-member breakdown, with dates and dollar ranges, is in the table above.

Which lawmakers bought VAIAF recently?

No member of Congress has disclosed a VAIAF 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 VAIAF trades performed?

Every VAIAF trade is marked to the latest close in the Return column; sells matched to a prior buy show a realized round-trip return.

Is it legal for members of Congress to trade Vaisala Oy?

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 VAIAF and how it performed.

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