Insider Cluster (2 insiders) ·Filed Aug 21, 2026

OMER

OMEROS CORP
NEUTRAL
Impact 2/10
Horizondays Processed1mo ago
Insider cluster: 2 insiders, $362K total
Actionable Insight • Neutral

The insider sales are too small relative to market cap to warrant concern. Monitor for any material corporate events (pipeline catalysts, earnings, or regulatory updates) that could explain the timing, but this cluster alone does not justify a trading response. The strong historical performance of prior OMER reports (+12% avg T+20) suggests the stock has been trending positively — these sales are likely routine portfolio diversification.

DirectionNeutral
Confidencehigh
Horizondays
Latest settled — T+20d
OMER ▲ +8.95% at T+20d
NEUTRAL call ✓ call won +8.95% · α vs SPY +7.64% · entry $19.32 → $21.05
Next anchor: T+60d in 6w
Latest observation: T+26 -34.39% FF3 residual α
Entry anchored
Aug 21, 04:34 PM ET
via 1-min bar
T+1d
-0.21%
call -0.21% · α -0.53%
$19.28
settled 6w ago
T+5d
-2.74%
call -2.74% · α -3.21%
$18.79
settled 5w ago
T+20d
+8.95%
call +8.95% · α +7.64%
$21.05
settled 11d ago
T+60d
—
call — · α —
—
in 6w

Price Chart

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Executive Summary

Two OMER insiders sold a combined $362K in open-market sales over a 7-day window, with Director Thomas Cable selling $277K at $18.45 and VP Finance David Borges selling $85K at $16.95. Cable also exercised derivative options for $44K in non-cash and cash exercises. At a $1.3B market cap, the total open-market sales represent ~0.03% of market cap, well below the 0.1% proportionality threshold for materiality. The cluster is small in dollar terms and the sales are likely liquidity-driven, not signaling fundamental deterioration — especially given the company's strong analyst consensus (70% bullish) and positive historical performance on prior reports (+12% avg T+20 return). The cross-filing actuarial verdicts show all context pairs as AMPLIFIERs, but the standalone cluster is too small to warrant escalation. Sentiment is neutral with low impact, as the dollar amount is trivial relative to company size and insider sales are weak predictors per academic literature.

Key Financial Metrics

Direction
selling
Total Value
$362.0K
Insiders
2

Key Facts

  • Director Thomas Cable sold 15,000 shares at $18.45 for $277K on 2026-08-20
  • VP Finance David Borges sold 5,000 shares at $16.95 for $85K on 2026-08-13
  • Cable also exercised 7,500 derivative shares at $0 (non-cash), 7,500 at $3.93 ($29K), and 7,500 at $2 ($15K)
  • Total open-market sales of $362K represent ~0.03% of OMER's $1.3B market cap
  • No C-suite executives (CEO/CFO) participated in the selling
  • Analyst consensus is 70% bullish with 7 Buy/Strong Buy ratings vs 3 Hold

Financial Impact

Total insider sales of $362K, or ~0.03% of market cap — immaterial

insider ownership

Risk Factors

  • Insider sales could accelerate if insiders perceive upcoming negative catalyst
  • Small sample size (2 insiders) limits statistical significance of cluster signal

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
70% bullish (10 analysts)

Investment Themes

Biotech & Drug Discovery

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-OMER-1787349697182
10 reports for OMER
Performance horizon
100% Hit rate 3 of 3 directional calls best @ T+20▲ +80.38%Jul 20, 2026
Filters
Rows
Reports for OMER — sortable, filterable
TypeNow
Sep 1, 2026
4w ago
Insider Cluster
NEUTRAL ★ 2/10
$18.75 $19.04▲ +1.55%▲ +1.44%$18.33 (−2.21%)
Aug 28, 2026
5w ago
Insider Cluster
NEUTRAL ★ 5/10
$18.61 $19.43▲ +4.41%▲ +4.15%$18.33 (−1.48%)
Aug 25, 2026
5w ago
Insider Cluster
NEUTRAL ★ 3/10
$18.22 $20.13▲ +10.48%▲ +10.26%$18.33 (+0.63%)
Aug 21, 2026
5w ago
Insider Cluster
NEUTRAL ★ 2/10
$19.32 $21.05▲ +8.95%▲ +7.64%$18.33 (−5.10%)
Jul 20, 2026
10w ago
8-K
BULLISH ★ 5/10
$9.53 $17.19▲ +80.38%▲ +77.82%$18.33 (+92.39%)
Jul 6, 2026
12w ago
8-K
NEUTRAL ★ 4/10
$10.34 $11.84▲ +14.51%▲ +15.07%$18.33 (+77.32%)
Jun 18, 2026
15w ago
8-K
BULLISH ★ 5/10
$10.28 $9.22▼ −10.31%▼ −10.84%$18.33 (+78.36%)
Jun 11, 2026
16w ago
Institutional Cluster
NEUTRAL ★ 4/10
$10.18 $10.27▲ +0.88%▼ −1.01%$18.33 (+80.11%)
May 13, 2026
20w ago
8-K
MIXED ★ 6/10
$13.28 $8.74▼ −34.19%▼ −33.33%$18.33 (+38.06%)
Mar 31, 2026
26w ago
8-K
BULLISH ★ 9/10
$12.08 $14.56▲ +20.53%▲ +10.81%$18.33 (+51.78%)
Showing 10 of 10

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Report published Aug 21, 2026