---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-121687"
form_type: "8-K"
ticker: "TARA"
cik: "0001359931"
company_name: "Protara Therapeutics, Inc."
filed_at: "2025-12-15T23:59:59+00:00"
generated_at: "2026-05-16T13:11:09.781619+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Protara closes full underwriters' option, gross proceeds ~$86.3M from offering

## Summary
- Closed full exercise of underwriters' option for 1,956,521 shares at $5.75/share on Dec 15, 2025.
- Combined with Dec 8 firm shares (13,043,479), total gross proceeds expected ~$86.3M.
- Net proceeds to fund clinical development of TARA-002 and other programs.
- Offering made under effective S-3 registration statement (File No. 333-275290).

## SEC filing metadata
- accession: 0001213900-25-121687
- form_type: 8-K
- ticker: TARA
- cik: 0001359931
- company_name: Protara Therapeutics, Inc.
- filed_at: 2025-12-15T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1359931/000121390025121687/0001213900-25-121687-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1359931/000121390025121687/ea0269478-8k_protara.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-121687
- JSON: https://secwatch.observer/filing/0001213900-25-121687.json
- Plain text: https://secwatch.observer/filing/0001213900-25-121687.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.