Transparency in elections is vital to ensuring that voters know who is spending money to influence their vote. Yet, wealthy special interests continue to undermine transparency through “dark money” tactics that allow them to conceal who’s spending money on election influence.
“Pop-up” super PACs are a particularly insidious way to prevent voters from accessing accurate information about election spending, and they are often deployed at the direction of deep-pocketed special interests.
Campaign Legal Center has been tracking and exposing the misleading influence of pop-up super PACs for nearly a decade.
With several instances just in the 2026 election cycle, it’s clear that using pop-up super PACs to conceal election spending is becoming an increasingly common tactic for wealthy special interests to hide their influence in elections.
It’s time for Congress and the Federal Election Commission (FEC) to put an end to this practice and protect voters’ right to know who is spending money to influence their vote.
How do pop-up super PACs work?
By waiting to take action until just before an election, a pop-up super PAC evades pre-election reporting rules and avoids having to disclose its contributors until after the election it’s spending money to influence.
As a result, voters who see the super PAC’s ads can’t find out who actually paid for those ads until after the election is over, depriving them of important information when deciding how to vote.
In many instances, these pop-up super PACs have names that suggest a local connection, but their post-election reporting eventually reveals that their money actually came from national special interest groups and wealthy donors with no connection whatsoever to the district or state being targeted.
In other instances, political operatives use pop-up super PACs to interfere in the opposing party’s primary election, in an attempt to prop up a candidate perceived as a weaker general election opponent.
How did pop-up super PACs impact the 2026 primary elections?
Pop-up super PACs aren’t new. In 2018, Campaign Legal Center released a report detailing how wealthy special interests were using this tactic to hide their election spending — and how the emergence of this tactic coincided with super PACs outspending the national party committees for the first time, marking a notable shift.
Since then, pop-up super PACs have become a hallmark of the election landscape, playing a particularly prominent role in the 2026 primary season.
For example, a pop-up super PAC named Lead Left spent over $3.1 million on election ads supporting far-left candidates in two 2026 Democratic primaries. Lead Left registered with the FEC on April 24, 2026, then waited until May to start running political ads in Texas and Pennsylvania that propped up fringe candidates that had largely been rebuked by the national Democratic party.
On June 20, 2026 — after the relevant primaries had passed — Lead Left filed a report that revealed it had received all of its funding from the Republican-aligned “Conservative Americans PAC.” Voters did not know until after the election that the Lead Left’s deluge of ads were paid for by national Republican entities trying to elect Democratic candidates they believed could not win in the general election.
On top of exploiting reporting deadlines to conceal where its money came from, Lead Left also obscured how it spent its money, presumably to hide its ties to Republican political consultants and media vendors. The super PAC reported paying two newly formed LLCs with no track record for all of its media services.
Campaign Legal Center filed a complaint calling on the FEC to investigate whether these LLCs were shell companies used to disguise the actual vendors Lead Left paid for its advocacy.
Similarly, a pop-up super PAC called Kentucky 4th PAC, which supported Republican primary candidate Ed Gallrein in Kentucky’s 4th congressional district, reported spending nearly $6.7 million on political ads attacking incumbent candidate Rep. Thomas Massie.
Instead of strategically exploiting federal reporting rules, Kentucky 4th PAC simply ignored them: it failed to file a required pre-primary report, and after Campaign Legal Center filed a complaint with the FEC, Kentucky 4th PAC was forced to file the missing report — weeks after the primary election. The late report revealed that the super PAC was wholly funded by a newly formed LLC, Tamarack Aspen Inc., with no known activity that was established just three days before Kentucky 4th PAC registered with the FEC.
Campaign Legal Center then filed a supplemental complaint with the FEC alleging that Tamarack Aspen acted as an illegal straw donor — a passthrough entity used to hide the person or people who actually provided the money to Kentucky 4th PAC. Because the true donors used this apparent straw donor to funnel money to Kentucky 4th PAC, Kentucky voters still do not know who spent millions of dollars to influence their primary.
These are just two examples of political committees using underhanded — and sometimes unlawful — tricks to manipulate voters in the 2026 election. Without reform, special interests will continue using such tricks to hide large sums of election spending, amplifying their voices while leaving voters in the dark.
What can be done to stop these pop-up super PACs from covertly influencing elections?
Voters deserve decisive action to address this clear problem. Congress could close the pop-up super PAC loophole by requiring that political committees promptly disclose (e.g., within 48 hours) all contributions they receive within one month of any election in which they spend money.
This is already required for candidates’ campaign committees, which must report within 48 hours all contributions of $1,000 or more received in the final 20 days before an election; super PACs should be held to this same standard.
Such legislation would prevent super PACs from continuing to exploit reporting rules to evade disclosure; super PACs would be required to report all substantial, last-minute contributions within 48 hours of receiving them.
Additionally, the FEC could end the gaming of reporting schedules by mandating that newly created political committees maintain their initial reporting schedule through any election in which they spend money. This would prevent committees from strategically switching their reporting schedule to avoid pre-election disclosure requirements. In fact, Campaign Legal Center petitioned the FEC in 2019 to make such a rule change, but the agency has yet to act on that petition.
Special interests shouldn’t be allowed to leave voters in the dark by hiding their influence in elections. To ensure that voters have the necessary information before they vote, Congress and the FEC must act to protect voters’ right to know who is spending money on elections. Campaign Legal Center will continue our work to ensure voters have the transparency they need, and to which they are legally entitled.