Where do I download my M1 Finance tax documents?

Use the broker’s official tax center and download the year-end consolidated PDF (often labeled “1099” or “tax documents”). Avoid screenshots; PDFs preserve text for extraction tools like BasilTax.

Does M1 Finance report my cost basis to the IRS?

Often yes for covered securities, but basis reporting has edge cases—wash sales, corporate actions, and transfers can still require your judgment. Always reconcile proceeds, basis, and adjustments to Schedule D.

How to Read Your M1 Finance 1099 for Taxes

M1 Finance tax documents

Last updated: 2026-04-27

TL;DR / ELI5

Imagine your broker as a vending machine that prints official receipts. M1 Finance packages your trades, dividends, and interest into IRS forms (mostly 1099 variants) so the IRS can auto-match your return. M1 issues standard consolidated 1099s; pies and automated rebalancing can generate many small trades.

Technical definition: M1 issues standard consolidated 1099s; pies and automated rebalancing can generate many small trades.

How M1 Finance tax documents work

Brokerages are required to furnish Form 1099 variants that summarize taxable events for the year. M1 issues standard consolidated 1099s; pies and automated rebalancing can generate many small trades.

What to download before you file

Download the official consolidated PDF for the tax year. If you had corrections, keep both the original and amended packages. BasilTax works best when the PDF is searchable and includes all pages (including supplements).

Tie-out tips that prevent IRS letters

Compare totals on the PDF to your brokerage’s online tax summary. Watch for wash sale adjustments, crypto activity on separate statements, and RSU/ESPP flows that may also require employer forms.

Using BasilTax with M1 Finance

Upload your PDFs and let BasilTax extract amounts, map them to schedules, and surface explanations. When something looks unusual, jump from the computed line to the exact PDF region so you can verify—not guess.

Common pitfalls

High trade counts with wash sales
Borrow/margin interest reporting

Why verification matters

See how BasilTax traces return lines back to your PDFs so you can file with confidence.

How verification works →

Using BasilTax

A single consolidated PDF is usually sufficient for BasilTax extraction.

Frequently asked questions

Where do I download my M1 Finance tax documents?: Use the broker’s official tax center and download the year-end consolidated PDF (often labeled “1099” or “tax documents”). Avoid screenshots; PDFs preserve text for extraction tools like BasilTax.
Does M1 Finance report my cost basis to the IRS?: Often yes for covered securities, but basis reporting has edge cases—wash sales, corporate actions, and transfers can still require your judgment. Always reconcile proceeds, basis, and adjustments to Schedule D.
What should I upload to BasilTax from M1 Finance?: A single consolidated PDF is usually sufficient for BasilTax extraction.

Skip manual typing from PDFs

Drop your broker and employer tax PDFs—BasilTax maps amounts to the right schedules automatically.

Upload your PDFs