Michael
"Dr. Mike" Katz

1. Economy & jobs Supports cutting federal spending, pro-growth tax cuts, and deregulation +

2. Housing Supports removing federal barriers and expanding affordable housing supply +

3. Health care Supports ACA repeal, price transparency, competition, and rural health access +

4. Abortion & reproductive rights Introduced patient-safety bill for invasive procedure facilities post-Gosnell +

5. Education Supports early childhood investment and workforce-aligned education funding +

6. Climate & energy Supports diversified energy including nuclear; protect Delaware coasts +

7. Taxes & budget Opposes tax increases; supports permanent pro-growth tax cuts +

8. Foreign policy & defense Supports strong military, alliances, and deterrence of hostile nations +

1. Oct 11
   debate

   Debate uncertainty persists as Katz pushes for televised debate with Coons

   As of October 11, it remained unclear whether Delaware would have a broadcast debate in the 2026 Senate race. Katz continued calling for a televised debate with Coons after the University of Delaware reportedly canceled its traditional debate program and Coons declined the WDEL offer.

   ↳ Debating Debates: Will Delaware Have a Broadcast Debate in 2026? · Oct 11, 2026 (opens in a new tab)
2. Oct 10
   endorsement

   WHYY voter guide summarizes Katz policy positions and endorsements ahead of November election

   WHYY reported that Katz supports repealing the Affordable Care Act in favor of price transparency and competition, and emphasizes cost of living, housing, education, government spending, and accountability. Endorsements listed include the Delaware Republican Party, the Independent Party of Delaware, local Republican groups, College Republicans, former U.S. Attorney Julianne Murray, and various state lawmakers.

   ↳ Delaware election 2026: What to know about the U.S. Senate race between Chris Coons and Mike Katz - WHYY · Oct 10, 2026 (opens in a new tab)
3. Sep 29
   debate

   Katz calls for open debate after campaign says Coons rejected WDEL debate offer

   In a campaign release, Katz announced he had agreed to participate in a proposed debate to air on WDEL radio and NBC's CoastTV, and urged Coons to accept. The release stated that Coons had rejected the offer and that the University of Delaware would not hold its traditional debate program this year. These details come from the Katz campaign; the release said WDEL's offer remained open.

   ↳ Coons Rejects WDEL Debate Offer; Katz Calls for Accountability and Open Debate — Katz for Delaware · Sep 29, 2026 (opens in a new tab)
4. Sep 21
   controversy

   Katz calls on fellow Republican Joseph Arminio to withdraw from House race over transphobic remarks

   After Republican House candidate Joseph Arminio was removed from a candidates' forum for repeatedly misgendering Rep. Sarah McBride, Katz publicly urged Arminio to exit the race. The move drew criticism from Republicans including primary rival John Shulli, who accused Katz of trying to censor Arminio. The Delaware GOP defended Arminio's right to free speech.

   ↳ Delaware candidate's transphobic remarks spark write-in bids - WHYY · Sep 21, 2026 (opens in a new tab)
5. Sep 15
   news

   Katz campaign announces primary victory, sets stage for Coons challenge

   Katz's campaign published a statement declaring victory in the Republican primary and framing the race ahead against Sen. Chris Coons.

   ↳ Dr. Mike Katz Wins Republican Primary for U.S. Senate — Katz for Delaware · Sep 15, 2026 (opens in a new tab)
6. Sep 15
   news

   Katz wins Republican primary for Delaware U.S. Senate with 77.3% of the vote

   Katz defeated John Shulli in the Delaware Republican primary, receiving 30,896 votes (77.3%) to Shulli's 9,052 (22.7%), according to unofficial results from the Delaware Department of Elections. The win set up a general-election contest against Democratic Sen. Chris Coons on November 3.

   ↳ Results - Department of Elections - State of Delaware · Sep 15, 2026 (opens in a new tab)

• Independent Party of Delaware organization
  Described by the campaign as a "Cross-Partisan Statewide Endorsement," with Chair Benjamin Woratyla named. drmikekatz.com
• Delaware State Sportsmen's Association (DSSA) organization
  President Jeff Hague New listed as endorser; statement urges DSSA members to vote for Katz on September 15 (the primary date). drmikekatz.com
• Delaware State Sen. Dave Lawson official
  Lawson said, "I am proud to support Dr. Mike Katz for the United States Senate." drmikekatz.com
• Julianne Murray, former U.S. attorney and former Delaware GOP chair official
  Described on campaign page as Trump-endorsed. drmikekatz.com
• Lee Murphy, former two-time Republican U.S. House nominee in Delaware official
  drmikekatz.com
• Daniel Willis, vice chairman of the Republican State Committee of Delaware official
  drmikekatz.com
• Delaware College Republicans and College Republicans at the University of Delaware organization
  Described as a co-signed endorsement; no date shown. drmikekatz.com
• College Republicans of America organization
  Listed on the campaign endorsements page; no date shown. drmikekatz.com
• Sussex County Republican Party / Sussex County Republican Committee organization
  Chairman Tom Molnar named as associated with endorsement. drmikekatz.com
• Western New Castle Region Republican Committee organization
  Chair Laura DelPercio listed as supporting Katz. drmikekatz.com
• Delaware State Sen. Dave Wilson official
  Wilson said Katz gave Republicans "our best opportunity to defeat Chris Coons this November." drmikekatz.com · Jul 20, 2026
• Delaware State Rep. Danny Short, former House Minority Leader official
  Short said Katz offered Republicans their "strongest opportunity" to build a winning statewide coalition. drmikekatz.com · Jul 14, 2026
• America First Insight organization
  drmikekatz.com · Jul 13, 2026
• Northern New Castle County Republican Party organization
  drmikekatz.com · Jun 18, 2026
• Delaware Republican Party organization
  Katz received the party's endorsement at its state convention on April 25, 2026, with 233 delegate votes. delawarelive.com · Apr 25, 2026

Raised

$159K

Spent

$61K

Cash on hand

$98K

As of Aug 26, 2026. Filings are periodic, so recent money may not be included yet. ↳ FEC record S6DE00206(opens in a new tab)