Final estimated tax payment due for 2025 (Form 1040‑ES).
Taxes
Q4 estimated tax payment due for 2025 (Form 1040‑ES).
10 events found.
Taxes
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3.15 Tax Return Information Deadline
TaxesPlease submit all tax information to Symphona by February 16, 2026 to prevent an extension for the March 15 deadline.
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4.15 Tax Return Information Deadline
TaxesPlease submit all tax information to Symphona by March 2, 2026 to prevent an extension for the April 15 deadline.
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Partnership & S‑Corp Tax Return Filing Deadline
Taxes2025 Partnership (Form 1065) & S‑Corp (Form 1120‑S) filing deadline.
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Individual Tax Return Filing Deadline
Taxes2025 Individual tax return (Form 1040).
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Q1 estimated tax payment due for 2026.
TaxesQ1 estimated tax payment due for 2026.
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C-Corp Tax Return Filing Deadline
Taxes2025 C‑Corp (Form 1120) filing deadline.
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Trust & Estate Tax Return Filing Deadline
Taxes2025 Trust & Estate (Form 1041) filing deadline.
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Q2 estimated tax payment due for 2026.
TaxesQ2 estimated tax payment due for 2026.
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Q3 estimated tax payment due for 2026.
TaxesQ3 estimated tax payment due for 2026.