No you don't have to pay the remaining estimates. If you are sure you sent in enough to cover the self employment taxes on it. The Estimates are optional to pay. You could even increase your W2 withholding if you need to pay more.
You must make quarterly estimated tax payments for the current tax year if both of the following apply:
- 1. You expect to owe at least $1,000 in tax for the current tax year, after subtracting your withholding and credits.
- 2. You expect your withholding and credits to be less than the smaller of:
90% of the tax to be shown on your current year’s tax return, or
100% of the tax shown on your prior year’s tax return. (Your prior year tax return must cover all 12 months.)