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Congress Stock Tracker

Tracking congressional stock trades from public STOCK Act Periodic Transaction Reports (PTRs) filed by members of the US House and Senate.

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© 2026 Congress Stock Tracker. Data from public STOCK Act filings.For informational purposes only. Not financial advice.
Stocks
Vaisala Oyj

Vaisala OyjVAIAF

OTCIndustrialsElectronic Equipment & Instruments$51.35+4.34%

A Finnish manufacturer of environmental and industrial measurement technologies, the company produces sensors, instruments, and data systems used to monitor weather, climate, and industrial conditions. Its products are widely used by meteorological agencies, aviation operators, and manufacturers req...

Market Cap: $1.9B52W Range: $47.27 – $52.75

Congressional Interest in Vaisala Oyj (VAIAF)

1 member of Congress has disclosed 3 trades in Vaisala Oyj (VAIAF), a Industrials company. The buy/sell breakdown shows 2 purchases versus 1 sale, indicating net buying interest from lawmakers. All data is sourced from STOCK Act periodic transaction reports filed with Congress.

Total Disclosures
3
Unique Politicians
1
Buys
2
Sells
1

Who in Congress Is Trading VAIAF?

DatePoliticianTypeAmountSecurity
2021-11-18PETER WELCHsell$15K – $50KStock
2019-07-16PETER WELCHbuy$1K – $15KStock
2018-07-16PETER WELCHbuy$1K – $15KStock
PETER WELCHsell
2021-11-18$15K – $50K
Stock
PETER WELCHbuy
2019-07-16$1K – $15K
Stock
PETER WELCHbuy
2018-07-16$1K – $15K
Stock

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