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S-3 ·Filed May 22, 2026

SER

Serina Therapeutics, Inc.
BEARISH
Impact 7/10
Horizonweeks Processed5mo ago SEC0001493152-26-025007
Shelf registration — potential dilution
Actionable Insight ▼ Bearish

Expect significant downward pressure from the massive resale registration. The 16.45M shares registered exceed the current float, and selling stockholders (including a board member) can sell at any time after the S-3 becomes effective. Watch for stockholder approval on June 17, 2026 — if denied, Dr. Bailey's 11.8M shares remain restricted. Monitor for 424B prospectus supplements indicating actual selling begins. The company's cash burn at $6.9M/quarter suggests ~3.5 quarters of runway — further dilution via the redeemable warrants ($5 strike, deeply out of the money) is unlikely, putting pressure on the stock.

DirectionBearish
Confidencehigh
Horizonweeks
Final — all horizons settled through T+60d
SER ▲ +41.67% at T+60d
SHORT call ✗ call lost -41.67% · α vs SPY -38.94% · entry $1.92 → $2.72
Entry = T+0 close
May 22, 2026
via day close
T+1d
-3.13%
call +3.13% · α +3.08%
$1.86
settled 5mo ago
T+5d
-5.73%
call +5.73% · α +6.81%
$1.81
settled 5mo ago
T+20d
0.00%
call 0.00% · α -1.95%
$1.92
settled 4mo ago
T+60d
+41.67%
call -41.67% · α -38.94%
$2.72
settled 2mo ago

Price Chart

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Executive Summary

Serina Therapeutics filed an S-3 registration statement to register up to 16,450,442 shares of common stock for resale by selling stockholders, including insider Dr. Gregory H. Bailey. The shares stem from a $21.2M March/April 2026 PIPE, including PIPE shares, pre-funded/redeemable warrants, and Series A conversion shares. With 14,997,505 shares currently outstanding, potential dilution exceeds 100%. The company disclosed substantial doubt about its ability to continue as a going concern in its recent 10-Q (net loss -$6.9M in Q1 2026 vs -$4.8M in Q1 2025), making this a desperation raise registration that enables selling shareholders to exit.

Key Facts

  • Up to 16,450,442 shares registered for resale vs. 14,997,505 currently outstanding — more than 100% potential dilution
  • $21.2M March 2026 PIPE priced at $2.25/share vs. current stock price of $1.61 (premium had eroded by filing date)
  • Pre-Funded Warrants exercisable at $0.0001/share; Redeemable Warrants exercisable at $5.00/share
  • Q1 2026 net loss of -$6.9M (-$0.58 EPS) deepened from -$4.8M (-$0.49 EPS) in Q1 2025
  • Cash of $24.5M as of Q1 2026, plus $5.2M in April 2026; company still pre-revenue clinical-stage
  • Going concern warning in most recent 10-K (March 25, 2026) — substantial doubt about continued viability
  • NYSE American non-compliance notice received January 9, 2026; compliance plan accepted but subject to ongoing review
  • Board member/Co-Chair Dr. Gregory H. Bailey is largest selling stockholder, offering up to 11,830,472 shares (72% of registered shares)

Financial Impact

Potential overhang of $25.8M at May 19 closing price of $1.57/share; $21.2M gross proceeds already raised in PIPE; net loss deepened 44% YoY to -$6.9M

dilutioncash runwaynet lossmarket cap

Risk Factors

  • Massive overhang from 16.45M registered shares vs 15.0M outstanding — selling pressure could crush stock price
  • Going concern risk — company has no revenue, deepening losses, and a going concern warning
  • NYSE American delisting risk — company received non-compliance notice in January 2026
  • Insider selling by Co-Chair Dr. Bailey (11.8M shares) signals potential lack of confidence
  • Series A preferred holders forced to convert at $2.25 vs original $5.18, creating selling pressure from holders looking to exit

Market Snapshot

Exchange
NYSE
Sector
Pharmaceutical Preparations
Analyst Consensus
83% bullish (6 analysts)

Investment Themes

Documents Analyzed

This report is based on 7 SEC documents filed with EDGAR.

DocumentAccession Number
S-3 Filing (Primary)0001493152-26-025007
Exhibit: ex107.htm0001493152-26-025007
Exhibit: ex5-1.htm0001493152-26-025007
Exhibit: ex23-1.htm0001493152-26-025007
Document: 0001493152-26-025007-index-headers.html0001493152-26-025007
Document: 0001493152-26-025007-index.html0001493152-26-025007
Document: 0001493152-26-025007.txt0001493152-26-025007
9 reports for SER
Performance horizon
67% Hit rate @ T+5 2 of 3 directional calls Went positive at some point 2 of 3 best @ T+5▲ +2.69%Jun 4, 2026
Filters
Rows
Reports for SER — sortable, filterable
TypeNow
Sep 9, 2026
6w ago
8-K
BULLISH ★ 6/10
$2.57 $2.16▼ −15.95%▼ −14.86%$1.77 (−31.13%)
Jul 23, 2026
13w ago
Press Release
MIXED ★ 5/10
$2.09 $2.04▼ −2.39%▼ −2.87%$1.77 (−15.31%)
Jul 22, 2026
13w ago
8-K
NEUTRAL ★ 2/10
$2.09 $2.04▼ −2.39%▼ −2.87%$1.77 (−15.31%)
Jun 4, 2026
20w ago
EFFECT
BEARISH ★ 7/10
$1.86 $1.81▲ +2.69%▲ +0.14%$1.77 (+4.84%)
May 26, 2026
21w ago
Insider Cluster
MIXED ★ 5/10
$1.80 $1.79▼ −0.56%▼ −1.02%$1.77 (−1.67%)
May 26, 2026
21w ago
Insider Cluster
BEARISH ★ 5/10
$1.80 $1.79▲ +0.56%▲ +1.02%$1.77 (+1.67%)
May 22, 2026
22w ago
S-3
BEARISH ★ 7/10
$1.92 $1.81▲ +5.73%▲ +6.81%$1.77 (+7.81%)
Mar 27, 2026
30w ago
10-K/A
NEUTRAL ★ 2/10
$2.27 $2.15▼ −5.29%▼ −9.15%$1.77 (−22.03%)
Mar 25, 2026
30w ago
Press Release
MIXED ★ 7/10
$2.61 $2.12▼ −18.77%▼ −20.41%$1.77 (−32.18%)
Showing 9 of 9

US Market Status

Market Closed — Opens Wed (17h 19m)

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Report published May 22, 2026