424B5 ·Filed Jun 25, 2026

TSHA

Taysha Gene Therapies, Inc.
BEARISH
Impact 6/10
Horizonweeks Processed3mo ago SEC0001193125-26-282846
Notable filing: 424B5
Actionable Insight ▼ Bearish

Traders should monitor post-offering price action for TSHA given the 13.6% discount to prior close — anticipate near-term selling pressure as the market absorbs ~32.5M new shares. The 60-day lockup on insiders/executives limits insider selling, but underwriters may release shares early. Key catalysts: REVEAL pivotal trial 6-month interim analysis (topline data expected H1 2027) and FDA Type C meeting follow-up. Pro forma cash of ~$464M removes near-term financing risk and funds BLA preparation.

DirectionBearish
Confidencehigh
Horizonweeks
Final — all horizons settled through T+60d ⚠ clustered
TSHA ▼ -20.50% at T+60d
SHORT call ✓ call won +20.50% · α vs SPY +26.61% · entry $6.34 → $5.04
Entry anchored
Jun 25, 03:59 PM ET
via exchange tick
T+1d
+6.15%
call -6.15% · α -4.50%
$6.73
settled 3mo ago
T+5d
+3.00%
call -3.00% · α -0.83%
$6.53
settled 3mo ago
T+20d
-8.04%
call +8.04% · α +9.30%
$5.83
settled 2mo ago
T+60d
-20.50%
call +20.50% · α +26.61%
$5.04
settled 11d ago

Price Chart

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Executive Summary

Taysha Gene Therapies is raising approximately $187.4 million ($215.6 million if underwriters' option is exercised) through the sale of 32.5M shares of common stock and pre-funded warrants at $6.00 per share, representing a 13.6% discount to the $6.94 prior closing price. Net proceeds combined with existing $276.6M cash will fund TSHA-102 BLA preparation/commercial launch and pipeline development, extending runway into H2 2028. The offering creates immediate 79% dilution ($4.75/share) for new investors.

Key Facts

  • Offering of 32,500,001 shares of common stock at $6.00/share, a 13.6% discount to the prior close of $6.94
  • Pre-funded warrants for up to 833,333 additional shares at $5.999 per warrant (exercise price $0.001)
  • Net proceeds estimated at $187.4M (or $215.6M with underwriter option exercise)
  • Immediate dilution of $4.75 per share for new investors (79% of offering price)
  • Post-offering shares outstanding increase to 319,776,886 from 287,276,885 (11.3% increase)
  • Cash and equivalents of $276.6M as of March 31, 2026; pro forma cash ~$464M
  • Underwriters have 30-day option to purchase 5,000,000 additional shares

Financial Impact

Gross proceeds of $200M; net proceeds ~$187.4M after underwriting discounts and expenses. Immediate dilution of $4.75/share (79%) to new investors at $6.00 offering price. Post-offering cash runway extended to H2 2028.

dilutioncash runwayshares outstanding

Risk Factors

  • Significant immediate dilution (79%) may pressure stock price
  • Pre-funded warrant exercises could add further dilution
  • Clinical-stage biotech with no approved products — regulatory/clinical risk remains high
  • Underwriters may release lock-up shares early, increasing supply
  • Cash burn rate for clinical/CMC activities could accelerate if trials expand

Market Snapshot

Exchange
Nasdaq
Sector
Biological Products, (No Diagnostic Substances)
Analyst Consensus
95% bullish (19 analysts)

Investment Themes

Biotech & Drug Discovery

Documents Analyzed

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

DocumentAccession Number
424B5 Filing (Primary)0001193125-26-282846
Document: d95601dexfilingfees.htm0001193125-26-282846
Document: 0001193125-26-282846-index-headers.html0001193125-26-282846
Document: 0001193125-26-282846-index.html0001193125-26-282846
Document: 0001193125-26-282846.txt0001193125-26-282846
12 reports for TSHA
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for TSHA — sortable, filterable
TypeNow
Aug 11, 2026
7w ago
Press Release
NEUTRAL ★ 5/10
$6.41 $5.16▼ −19.44%▼ −17.54%$4.63 (−27.71%)
Jun 25, 2026
14w ago
8-K
MIXED ★ 5/10
$6.34 $5.83▼ −8.04%▼ −9.30%$4.63 (−26.97%)
Jun 25, 2026
14w ago
424B5
BEARISH ★ 6/10
$6.34 $5.83▲ +8.04%▲ +9.30%$4.63 (+26.97%)
Jun 25, 2026
14w ago
Press Release
BEARISH ★ 7/10
$6.21 $5.83▲ +6.12%▲ +6.65%$4.63 (+25.44%)
Jun 5, 2026
17w ago
Press Release
NEUTRAL ★ 2/10
$5.50 $6.38▲ +16.00%▲ +14.14%$4.63 (−15.82%)
May 6, 2026
21w ago
8-K
NEUTRAL ★ 5/10
$6.98 $5.55▼ −20.49%▼ −23.27%$4.63 (−33.67%)
May 6, 2026
21w ago
Press Release
MIXED ★ 7/10
$6.98 $5.55▼ −20.49%▼ −23.27%$4.63 (−33.67%)
Apr 29, 2026
22w ago
Press Release
NEUTRAL ★ 1/10
$6.27 $5.75▼ −8.29%▼ −13.75%$4.63 (−26.16%)
Apr 27, 2026
22w ago
Press Release
BULLISH ★ 6/10
$6.30 $5.59▼ −11.27%▼ −16.74%$4.63 (−26.51%)
Apr 22, 2026
23w ago
DEFA14A
NEUTRAL ★ 3/10
$6.72 $5.19▼ −22.84%▼ −26.01%$4.63 (−31.10%)
Showing 10 of 12

US Market Status

Market Closed — Opens Mon (65h 29m)

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