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Insider Cluster (2 insiders) ·Filed May 18, 2026

BJDX

Bluejay Diagnostics, Inc.
BULLISH
Impact 7/10
Horizonweeks Processed5mo ago
Insider cluster: 2 insiders, $50K total
Actionable Insight ▲ Bullish

The $50K insider buy cluster at 2.5% of market cap is proportionally very material and historically amplified by cross-filing signals (earnings + offering context). However, the absence of C-suite participation reduces signal strength slightly, but the dollar weight relative to float is heavy. watch for SYMON-II trial completion (~750 enrollment) and any capital raise — cash burn of $1.9M/quarter implies ~2 quarters of runway. if the trial reads out positively, the insider buys may front-run a catalyst. if a dilutive offering emerges, the bullish read invalidates.

DirectionBullish
Confidencemedium
Horizonweeks
Final — all horizons settled through T+60d
BJDX ▼ -38.01% at T+60d
LONG call ✗ call lost -38.01% · α vs SPY -44.30% · entry $1.71 → $1.06
Entry = T+0 close
May 18, 2026
via day close
T+1d
+3.98%
call +3.98% · α +2.94%
$1.78
settled 5mo ago
T+5d
+14.33%
call +14.33% · α +12.03%
$1.96
settled 5mo ago
T+20d
+159.65%
call +159.65% · α +158.66%
$4.44
settled 4mo ago
T+60d
-38.01%
call -38.01% · α -44.30%
$1.06
settled 3mo ago

Price Chart

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Executive Summary

Two directors collectively purchased $50K worth of BJDX stock at $2.00/share shortly after Q1 2026 earnings (net loss unchanged at $1.9M, cash $3.7M, SYMON-II trial enrollment at ~680). At a $2M market cap, this represents ~2.5% of the company and is a significant proportional insider buy by directors — though not C-suite.

Key Financial Metrics

Direction
buying
Total Value
$50.0K
Insiders
2

Key Facts

  • Two directors (Chase, Zeidman) each purchased 12,500 shares at $2.00/share for a combined $50,000
  • Total insider purchase represents ~2. represents approximately 2.5% of the company's $2M market cap
  • Purchases occurred 4 days after Q1 2026 earnings release (net loss $1.9M, cash $3.7M, SYMON-II trial ~680/750 enrolled)
  • No C-suite executives participated in the cluster; only directors
  • The company is pre-revenue with no guidance and relies on SYMON-II trial completion for its Symphony IL-6 sepsis test

Financial Impact

$50,000 in open-market purchases by two directors, representing ~2.5% of the $2M market cap

insider ownershipequity signal

Risk Factors

  • Pre-revenue company with cash only covering ~2 quarters at current burn rate, implying imminent need for additional financing
  • No C-suite participation — the signal is from non-executive directors rather than management with deepest operational knowledge
  • SYMON-II trial enrollment is not yet complete; execution risk on the sepsis test remains high
  • 0% analyst bullish consensus on 6 ratings indicates heavy sell-side skepticism

Market Snapshot

Exchange
Nasdaq
Sector
Surgical & Medical Instruments & Apparatus
Analyst Consensus
0% bullish (6 analysts)

Investment Themes

Healthcare & Medical Devices

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-BJDX-1779139237465
18 reports for BJDX
Performance horizon
71% Hit rate @ T+20 5 of 7 directional calls Went positive at some point 5 of 7 best @ T+60▲ +83.76%Jun 5, 2026
Filters
Rows
Reports for BJDX — sortable, filterable
TypeNow
Oct 13, 2026
14d ago
8-K
NEUTRAL ★ 3/10
$0.8323awaiting T+20—$0.5771 (−30.66%)
Oct 6, 2026
21d ago
8-K
NEUTRAL ★ 4/10
$0.8107awaiting T+20—$0.5771 (−28.81%)
Aug 13, 2026
10w ago
8-K
NEUTRAL ★ 4/10
$1.06awaiting T+20—$0.5771 (−45.56%)
Aug 13, 2026
10w ago
Press Release
NEUTRAL ★ 4/10
$1.06awaiting T+20—$0.5771 (−45.56%)
Jul 22, 2026
13w ago
8-K
BULLISH ★ 5/10
$1.14 $0.9393▼ −17.61%▼ −20.91%$0.5771 (−49.38%)
Jul 13, 2026
15w ago
3
NEUTRAL ★ 4/10
$1.22 $0.9872▼ −19.08%▼ −22.27%$0.5771 (−52.70%)
Jul 10, 2026
15w ago
3
NEUTRAL ★ 2/10
$1.45 $1.07▼ −26.21%▼ −28.63%$0.5771 (−60.20%)
Jun 29, 2026
17w ago
EFFECT
BEARISH ★ 7/10
$1.44 $1.03▲ +28.47%▲ +28.19%$0.5771 (+59.92%)
Jun 17, 2026
18w ago
S-3
BEARISH ★ 7/10
$4.46 $1.30▲ +70.85%▲ +71.39%$0.5771 (+87.06%)
Jun 9, 2026
20w ago
8-K
NEUTRAL ★ 4/10
$4.49 $1.40▼ −68.82%▼ −72.44%$0.5771 (−87.15%)
Showing 10 of 18

US Market Status

Market Closed — Opens Wed (< 1m)

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Report published May 18, 2026