White House economic adviser Larry Kudlow Larry KudlowMORE slammed U.S. senators who allegedly traded stock before a massive coronavirus outbreak in the United States during a tele-town hall hosted by Arizona Sen. Martha McSally Martha Elizabeth McSallySenate Republicans face tough decision on replacing Ginsburg Democratic senator calls for eliminating filibuster, expanding Supreme Court if GOP fills vacancy What Senate Republicans have said about election-year Supreme Court vacancies MORE (R) Thursday evening.

“If it is proven that they’ve done something illegal or unethical, they will have to be significantly punished,” Kudlow said. “I don’t put up with any of that nonsense.”

Last month, financial disclosures allegedly revealed Sens. Richard Burr Richard Mauze BurrRep. Mark Walker says he's been contacted about Liberty University vacancy Overnight Defense: Trump rejects major cut to military health care | Senate report says Trump campaign's Russia contacts posed 'grave' threat Senate report describes closer ties between 2016 Trump campaign, Russia MORE (R-N.C.), Kelly Loeffler Kelly LoefflerMcSally says current Senate should vote on Trump nominee Loeffler: Trump 'has every right' to fill Ginsburg vacancy before election McConnell says Trump nominee to replace Ginsburg will get Senate vote MORE (R-Ga.), James Inhofe James (Jim) Mountain InhofeChamber of Commerce endorses McSally for reelection Overnight Defense: Top admiral says 'no condition' where US should conduct nuclear test 'at this time' | Intelligence chief says Congress will get some in-person election security briefings Top admiral: 'No condition' where US should conduct nuclear test 'at this time' MORE (R-Okla.) and Dianne Feinstein Dianne Emiel FeinsteinMcConnell says Trump nominee to replace Ginsburg will get Senate vote Top Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence Intensifying natural disasters do little to move needle on climate efforts MORE (D-Calif.) sold hundreds of thousands of dollars in stocks within days of the Senate holding a briefing on Jan. 24 with administration officials on the coronavirus outbreak. Both Inhofe and Feinstein later said that they were not present at the briefing.

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After facing multiple calls for his resignation — including from conservative commentator Tucker Carlson Tucker CarlsonEx-Pence aide: Trump spent 45 minutes of task force meeting 'going off on Tucker Carlson' instead of talking coronavirus Biden town hall draws 3.3 million viewers for CNN OVERNIGHT ENERGY: Cheney asks DOJ to probe environmental groups | Kudlow: 'No sector worse hurt than energy' during pandemic | Trump pledges 'no politics' in Pebble Mine review MORE — Burr called for an ethics investigation into his own stock trading.

Kudlow, a former Wall Street economist and Reagan staffer, said that if the senators partook in illicit trading, the they should be disciplined.

“In our great system of free enterprise, you have to play by the rules; everybody has to play by the rules ... we all have to play by the rules, and if not we’ll have to face the consequences,” he said.

McSally agreed with the White House economist.

“Larry, I couldn’t agree with you more. If these allegations are true, they need to be held accountable,” McSally said.

On Tuesday, it was reported Georgia Sen. David Perdue (R) purchased stock in a company that produces personal protective equipment as the coronavirus pandemic began to spread in the U.S. However, an official for Perdue said that he was not at the Jan. 24 briefing, and mentioned that the senator has not been involved in his personal finances since taking office.

Updated 9:51 p.m.