What is with these NJ Democrats violating federal law by failing to disclose stock trades?

https://www.businessinsider.com/mikie-sherrill-stock-act-congress-ubs-trades-2021-12?fbclid=IwAR23VtMX53yOB5TV6IpTkiHGcgI-V8Gkg0sI98TJrhxN_IlBSV1v5AYqWiE