Democratic Party financiers plan to finance a primary challenge in 2024 against Sen. Kyrsten Silena, as she fights for key parts of the party’s agenda.

According to sources familiar with the matter, some of those who are now aiming to fund a campaign against Sinema from Arizona have contributed to her first Senate campaign in 2018. Sinema is being challenged by certain financiers signedIn a letter that they sent her recently, they recommended her campaign to return all donations if Senator Impairs Voting Rights Legislation.

People who refused to be identified in the story spoke freely because they wanted to.

Sinema will not be up for reelection before 2024 and has contributed to the sinking of some priorities in her party. Last week, Sinema was criticized by Democrats for her actions in destroying some of the party’s priorities. voted against changing the Senate’s filibuster rulesPassing legislation relating to voting rights

Her opposition to raising the federal minimum wages to $15 an hour, and increasing corporate taxes is also a concern.

Sinema has a record that at least one of her fellow congressional colleagues from Arizona is considering trying to unseat. Ruben Gallego (D-Ariz.) has stated that he met recently with donors to party parties, which included those who supported Sinema. Many times, they are. assuredThey would support him in a primary challenge to Senator Arizona.

Gallego is who optedDelegate Mark Kelly (D-Ariz.) said he will not be running in 2020 against Sinema before the critical 2022 midterm elections.

Gallego is considered to be a progressive. called out Sinema by name earlier this monthHe backed legislation to improve elections on the House’s floor. He previously stated that he supported liberal priorities like “Medicare for All.”

Gallego representatives and Sinema representatives did not respond to requests for comment.

According to OH Predictive Insights, “The majority of respondents said that they were satisfied with the results.”only 26% of Arizona DemocratsSinema was preferred by 72% of respondents, and Sinema would be the choice for another 72%. The survey surveyed over 700 Arizonan voters.

Sinema is a strong fundraiser despite all the criticism she’s received from her own party. She has raised more than $2 million in part through contributions from corporate PACS tied to AT&T, Amazon, Horizon Therapeutics and Airbus Group.

Sinema’s opposition to key party policies has earned her an influence vote in a Senate divided 50-50 between parties. However, Democratic donors are considering funding efforts to force Sinema out of Congress. Due to Sinema’s opposition to key party policies, the creationShe is the chair of at least three committees for political action that are aimed to unseat her.

“I’ve given up trying to comprehend Sinema’s reasons for voting the way that she does. At a point, I just don’t care. If there’s an alternative, I know I will support them. CNBC spoke with a Sinema donor in the past who said she no longer supports her.

Sinema stated that she supports voting rights legislation before the Senate. However, Sinema and Sen. Joe Manchin (D-W.Va) voted against a change to the filibuster rules in order to pass elections plans with no Republican support. These votes effectively ended all chance of passing legislation Democrats claim will increase access to the poll box.

The leaders of Arizona Democratic Party have been voting to since that time. censure Sinema. Emily’s List (an outside group backing Democratic women who advocate for abortion rights) said it would withdraw support for the Arizona lawmaker. According to data from Center for Responsive Politics (nonpartisan), Emily’s List gave $10,000 to Sinema’s 2018 campaign via its political action committee.

Before the filibuster vote was cast, Democratic donors began to think about how they could help Sinema in a primary fight.

According to sources familiar with the matter, Trey Beck is a major party financial and philanthropist who has stated to his allies that he will invest in Sinema’s primary. Gallego was contacted by Beck, one of several party donors.

According to data from CRP, he contributed $2700 or more to Sinema’s 2018 campaign. Beck signed the letter, in which donors criticised the senator’s positions and recommended that their donations be returned.

Beck is a former managing director at D.E., an investment company. Shaw Group has donated to Democratic-aligned organizations for many years. Five-figure contributions were made to the Democratic National Committee and the Senate Majority PAC, Priorities USA Action and the Senate Majority PAC. Beck refused to comment.

Luis A. Miranda, Jr., actor Lin-Manuel Miranda’s father, spoke to Gallego on Tuesday about possible primary, according to his spokesperson. Miranda worked closely with top party leaders including Senator Majority Leader Chuck Schumer (D-N.Y.), Sen. Kirsten Gillibrand (D-N.Y.) and ex-Sen. Hillary Clinton.

Miranda Jr. was one of those Democrats that signed Sinema’s letter. He has not yet contributed to her campaign, according to records. However, he has donated to Democratic candidates as well as organizations such the Latino Victory Fund.

CNBC spoke with people familiar with the situation. Party bundlers that have donated to President Joe Biden, Vice-President Kamala Harris and ex-President Barack Obama want to raise funds for a primary for Sinema.

CNBC was told by a bundler that raised more than $500,000 for Obama’s run for the presidency in 2012. They had been talking with Gallego since December about a potential primary. Gallego received a statement from this person (who declined to name because he was not allowed to discuss the possibility of a campaign) that they would be supporting them. Another person made contributions to Sinema’s campaign for the 2018 Senate.

Gallego visited New York recently and was asked by donors from many industries, including Wall Street, to talk about his future political plans.

CNBC spoke to some of those who were unable to attend the meetings because they have prior commitments.

A long-standing party donor has donated to Harris and Biden.