Calendar: To Do & What’s Due

Events in May 2026

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April 26, 2026
April 27, 2026
April 28, 2026
April 29, 2026
April 30, 2026(1 event)

Form 941 Quarterly Payroll Tax Filings - Q1 Due

April 30, 2026

IRS Form 941 must be filed quarterly by employers to report income taxes, Social Security tax, and Medicare tax withheld from employee paychecks, along with the employer’s share of these taxes.

May 1, 2026
May 2, 2026
May 3, 2026(1 event)

National Small Business Week Starts

May 3, 2026

Celebrates small businesses and their contributions to the economy.

May 4, 2026(1 event)

National Small Business Week Starts

May 4, 2026

Celebrates small businesses and their contributions to the economy.

May 5, 2026
May 6, 2026
May 7, 2026
May 8, 2026
May 9, 2026
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May 23, 2026
May 24, 2026
May 25, 2026
May 26, 2026
May 27, 2026
May 28, 2026
May 29, 2026(1 event)

529 College Savings Plan Day

May 29, 2026

A good reminder to contribute to 529 plans for education savings. Some states offer special promotions.

May 30, 2026
May 31, 2026
June 1, 2026
June 2, 2026
June 3, 2026
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