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Executive Summary

Two affiliated venture entities — Index Ventures Growth III (Jersey), L.P. and Yucca (Jersey) SLP — filed Form 144 notices on August 17, 2026, signaling intent to sell a combined 2,800,043 shares of Aurora Innovation Class A Common, valued at approximately $19.6 million. These filings follow a series of recent sales by the same entities between August 5-13, 2026, totaling roughly 3.5 million shares across multiple transactions. The coordinated selling by a major pre-IPO venture backer (Index Ventures) and its affiliated entity represents a material overhang on AUR stock, especially given the $14.0B market cap and the stock's proximity to recent highs.

Key Facts

• Index Ventures Growth III (Jersey), L.P. filed to sell 2,800,043 shares of AUR Class A Common, valued at ~$19.6 million.
• Yucca (Jersey) SLP filed to sell 42,639 shares of AUR Class A Common, valued at ~$298,047.
• Both entities had already sold ~3.5 million shares in the prior week (Aug 5-13, 2026) across multiple trades.
• The proposed sales represent ~1.1% of AUR's market cap combined, a material overhang from a single venture investor.
• No lock-up expiration or earnings catalyst is cited; the selling appears to be a planned distribution by the venture fund.

Financial Impact

Proposed sale of ~2.84M shares worth ~$19.9M, representing ~1.1% of AUR's $14.0B market cap.

Risk Factors

• Continued selling by Index Ventures could create sustained downward pressure on AUR shares.
• The venture fund may have additional undistributed shares, implying further Form 144 filings ahead.
• No operational catalyst is present to absorb the supply; the stock may drift lower on the overhang.

Market Snapshot

Investment Themes

Documents Analyzed

This report is based on 6 SEC documents filed with EDGAR.

US Market Status