The Senate Finance Committee wants answers from Equifax on when three of its executives, who sold almost $2 million in stock, learned of a massive cybersecurity breach the company experienced in July.

The sale has raised eyebrows among some observers who are concerned about potential insider trading violations.

Committee leaders Sen. Orrin Hatch Orrin Grant HatchBottom line Bottom line Senate GOP divided over whether they'd fill Supreme Court vacancy MORE (R-Utah) and Sen. Ron Wyden Ronald (Ron) Lee WydenGOP senator blocks Schumer resolution aimed at Biden probe as tensions run high Republican Senators raise concerns over Oracle-TikTok deal Hillicon Valley: TikTok, Oracle seek Trump's approval as clock winds down | Hackers arrested for allegedly defacing U.S. websites after death of Iranian general | 400K people register to vote on Snapchat MORE (D-Ore.) pressed Equifax CEO Richard Smith for details on the scope of the breach in which the data of 143 million Americans was compromised, who is affected by it and actions Equifax is taking to mitigate its impacts.

Hatch and Wyden then pressed for specifics on when three executives were notified of the cyberattack.

Equifax Chief Financial Officer John Gamble and president of U.S. information solutions Joseph Loughran collectively sold shares and exercised stock options totaling approximately $1.5 million on Aug. 1. Rodolfo Ploder, president of workforce solutions, sold approximately $250,000 worth of stock on Aug. 2. Details of the hack, which occurred on July 29, were not yet made public at that time.

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The sales were not a part of the trio’s prescheduled trading plans that insiders often use when buying and selling equity.

Equifax has said that Gamble, Loughran and Ploder were not notified of the breach when they opted to sell shares and exercise options.

The timing has raised suspicion among some skeptics. When asked by The Hill on Friday if they would investigate the matter for potential insider trading, the Securities and Exchange Commission declined to comment.

Hatch and Wyden join Senate Commerce Committee leaders, Sens. John Thune John Randolph ThuneWhat Senate Republicans have said about election-year Supreme Court vacancies The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon The Hill's Morning Report - Sponsored by The Air Line Pilots Association - Trump contradicts CDC director on vaccine, masks MORE (R-S.D.) and Bill Nelson Clarence (Bill) William NelsonDemocrats sound alarm on possible election chaos Trump, facing trouble in Florida, goes all in NASA names DC headquarters after agency's first Black female engineer Mary W. Jackson MORE (D-Fla.) along with Sen. Brian Schatz Brian Emanuel SchatzVideo of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral Democrat on Graham video urging people to 'use my words against me': 'Done' Polls show trust in scientific, political institutions eroding MORE (D-Hawaii) who penned letters to Equifax demanding more answers on the hack. Both the House Energy and Commerce and Financial Services committees have also announced hearings to examine the breach further.