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8-K ·Filed May 4, 2026

AURA

Aura Biosciences, Inc.
NEUTRAL
Impact 5/10
Horizondays Processed5mo ago SEC0001193125-26-204049
8-K material event: Items 1.01
Actionable Insight • Neutral

Monitor the pricing and closing of the equity offering; if the offering closes, the repurchase will remove a large holder overhang. The net dilution impact depends on the offering size relative to the repurchase. Watch for Q1 2026 earnings (due May) for precise cash position.

DirectionNeutral
Confidencemedium
Horizondays
Final — all horizons settled through T+60d ⚠ clustered
AURA ▼ -20.11% at T+60d
NEUTRAL call -20.11% · α vs SPY -22.85% · entry $8.90 → $7.11
Entry = T+0 close
May 4, 2026
via day close
T+1d
-6.85%
call -6.85% · α -8.24%
$8.29
settled 6mo ago
T+5d
-10.90%
call -10.90% · α -12.88%
$7.93
settled 6mo ago
T+20d
-22.47%
call -22.47% · α -27.43%
$6.90
settled 5mo ago
T+60d
-20.11%
call -20.11% · α -22.85%
$7.11
settled 3mo ago

Price Chart

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Executive Summary

Aura Biosciences announced a stock repurchase agreement with Matrix Capital to buy back up to 6.9M shares at $5.64/share, contingent on the closing of a concurrent equity offering. The company also reported preliminary cash of ~$114.7M as of March 31, 2026. The repurchase removes a 10.8% holder overhang but is funded by new dilution, creating offsetting effects.

Key Financial Metrics

Deal Value
$39.0M

Key Facts

  • Entered repurchase agreement with Matrix Capital to buy back up to 6,922,870 shares at $5.64 per share, representing all shares held by Matrix (10.8% stake).
  • Repurchase is conditioned on closing of underwritten equity offering announced May 4, 2026, and will be funded from net offering proceeds exceeding $200M.
  • Preliminary cash, cash equivalents and marketable securities were approximately $114.7M as of March 31, 2026 (unaudited), down from $144.2M at Dec 31, 2025.
  • The repurchase was approved by the audit committee of the board; shares repurchased will become authorized but unissued shares.
  • Matrix held approximately 10.8% of outstanding common stock prior to the offering and repurchase.

Financial Impact

Repurchase value estimated at ~$39M (6.9M shares × $5.64), but funded from offering proceeds; net dilution from offering partially offset. Preliminary cash $114.7M indicates Q1 2026 cash burn of ~$30M.

cashdilutionshare count

Risk Factors

  • Equity offering may not close on favorable terms or at all, preventing the repurchase.
  • Cash burn continues, with Q1 2026 spending ~$30M; runway into Q1 2027 may be shortened if offering raises less than expected.
  • Dilution from offering offsets the positive impact of the repurchase; net effect on stock price is uncertain.
  • CEO transition and clinical trial execution risks remain.

Market Snapshot

Exchange
Nasdaq
Sector
Biological Products, (No Diagnostic Substances)
Analyst Consensus
92% bullish (12 analysts)

Investment Themes

Documents Analyzed

This report is based on 5 SEC documents filed with EDGAR.

DocumentAccession Number
8-K Filing (Primary)0001193125-26-204049
Document: 0001193125-26-204049-index-headers.html0001193125-26-204049
Document: 0001193125-26-204049-index.html0001193125-26-204049
Document: 0001193125-26-204049.txt0001193125-26-204049
8-K Data (Synthetic)0001193125-26-204049
16 reports for AURA
Performance horizon
89% Hit rate @ T+20 8 of 9 directional calls Went positive at some point 9 of 9 best @ T+20▲ +18.46%Aug 21, 2026
Filters
Rows
Reports for AURA — sortable, filterable
TypeNow
Sep 22, 2026
4w ago
Institutional Cluster
NEUTRAL ★ 3/10
$6.45 $6.56▲ +1.71%▲ +2.27%$6.16 (−4.50%)
Aug 21, 2026
9w ago
EFFECT
BEARISH ★ 4/10
$7.80 $6.36▲ +18.46%▲ +17.94%$6.16 (+21.03%)
Aug 11, 2026
11w ago
8-K
BEARISH ★ 6/10
$8.04 $7.20▲ +10.45%▲ +9.39%$6.16 (+23.38%)
Aug 11, 2026
11w ago
Press Release
BEARISH ★ 6/10
$8.04 $7.20▲ +10.45%▲ +9.39%$6.16 (+23.38%)
Jul 8, 2026
15w ago
8-K
NEUTRAL ★ 3/10
$7.25 $7.18▼ −0.97%▼ −4.24%$6.16 (−15.03%)
May 19, 2026
22w ago
Press Release
NEUTRAL ★ 3/10
$7.47 $6.34▼ −15.13%▼ −15.87%$6.16 (−17.54%)
May 5, 2026
24w ago
8-K
BEARISH ★ 7/10
$8.29 $6.88▲ +17.01%▲ +19.79%$6.16 (+25.69%)
May 5, 2026
24w ago
Press Release
BEARISH ★ 7/10
$8.29 $6.88▲ +17.01%▲ +19.79%$6.16 (+25.69%)
May 4, 2026
25w ago
8-K
NEUTRAL ★ 5/10
$8.90 $6.90▼ −22.47%▼ −27.43%$6.16 (−30.79%)
May 4, 2026
25w ago
Press Release
BEARISH ★ 7/10
$8.35 $7.19▲ +13.89%▲ +19.54%$6.16 (+26.23%)
Showing 10 of 16

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Report published May 4, 2026