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Insider Cluster (2 insiders) ·Filed Sep 23, 2026

ETRA

Electra Therapeutics, Inc.
BULLISH
Impact 6/10
Horizonweeks Processed1mo ago
Insider cluster: 2 insiders, $10.0M total
Actionable Insight ▲ Bullish

Two large insider purchases totaling $10M by major holders OrbiMed and Gordon signal strong conviction. The simultaneous derivative conversions by C-suite and OrbiMed suggest a coordinated equity restructuring or financing event. Monitor for a press release or 8-K detailing the transaction and any upcoming clinical or regulatory catalysts.

DirectionBullish
Confidencehigh
Horizonweeks
Latest settled — T+20d ⚠ clustered
ETRA ▼ -21.74% at T+20d
LONG call ✗ call lost -21.74% · α vs SPY -21.32% · entry $11.82 → $9.25
Next anchor: T+60d in 7w
Entry = T+0 close
Sep 23, 2026
via day close
T+1d
-2.28%
call -2.28% · α -2.83%
$11.55
settled 5w ago
T+5d
-9.64%
call -9.64% · α -9.23%
$10.68
settled 28d ago
T+20d
-21.74%
call -21.74% · α -21.32%
$9.25
settled 7d ago
T+60d
Pending
in 7w

Price Chart

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Executive Summary

OrbiMed Advisors LLC and Carl L. Gordon, both directors and 10% owners of Electra Therapeutics, made open-market purchases totaling $10.0M at $15.00/share on September 21, 2026. This is a material insider buying cluster from two major institutional holders, representing a strong vote of confidence in the company's prospects.

Key Financial Metrics

Direction
buying
Total Value
$10.0M
Insiders
2

Key Facts

  • OrbiMed Advisors LLC purchased 333,333 shares for $5.0M on 2026-09-21
  • Carl L. Gordon purchased 333,333 shares for $5.0M on 2026-09-21
  • Total open-market purchases: $10.0M at $15.00/share
  • Both buyers are directors and 10% owners, not routine insiders
  • Multiple derivative conversions by CEO, CSO, CTO, and OrbiMed on same date (non-cash, $0 value) — likely related to warrant/option exercises

Financial Impact

$10.0M in open-market purchases by two 10% owners/directors

Risk Factors

  • Insider purchases, while bullish, do not guarantee near-term stock appreciation
  • Derivative conversions could indicate future dilution if shares are sold
  • No public catalyst disclosed alongside the trades

Investment Themes

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-ETRA-1790199385614
12 reports for ETRA
Performance horizon
67% Hit rate @ T+1 2 of 3 directional calls Went positive at some point 2 of 3 best @ T+1▲ +5.06%Sep 17, 2026
Filters
Rows
Reports for ETRA — sortable, filterable
TypeNow
Sep 28, 2026
29d ago
SC 13G
NEUTRAL ★ 3/10
$11.35 $11.25▼ −0.88%▼ −0.68%$8.52 (−24.93%)
Sep 28, 2026
29d ago
SC 13G
NEUTRAL ★ 3/10
$11.35 $11.25▼ −0.88%▼ −0.68%$8.52 (−24.93%)
Sep 25, 2026
4w ago
SC 13D
NEUTRAL ★ 5/10
$11.32 $11.35▲ +0.27%▲ +0.45%$8.52 (−24.73%)
Sep 23, 2026
4w ago
Insider Cluster
BULLISH ★ 6/10
$11.82 $11.55▼ −2.28%▼ −2.83%$8.52 (−27.92%)
Sep 21, 2026
5w ago
3
NEUTRAL ★ 2/10
$13.62 $12.67▼ −6.97%▼ −6.25%$8.52 (−37.44%)
Sep 18, 2026
5w ago
424B4
BULLISH ★ 7/10
$13.92 $13.62▼ −2.16%▼ −2.14%$8.52 (−38.79%)
Sep 18, 2026
5w ago
3
NEUTRAL ★ 3/10
$13.92 $13.62▼ −2.16%▼ −2.14%$8.52 (−38.79%)
Sep 18, 2026
5w ago
3
NEUTRAL ★ 2/10
$13.92 $13.62▼ −2.16%▼ −2.14%$8.52 (−38.79%)
Sep 18, 2026
5w ago
3
NEUTRAL ★ 2/10
$13.92 $13.62▼ −2.16%▼ −2.14%$8.52 (−38.79%)
Sep 18, 2026
5w ago
EFFECT
BULLISH ★ 7/10
$13.25 $13.92▲ +5.06%▲ +3.51%$8.52 (−35.70%)
Showing 10 of 12

US Market Status

Market Closed — Opens Thu (10h 20m)

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Report published Sep 23, 2026