Insider Cluster ·Filed Aug 28, 2026

OMER

OMEROS CORP
NEUTRAL
Impact 5/10
Horizondays Processed1mo ago
Insider cluster: 3 insiders, $0.4M total
Actionable Insight • Neutral

Three OMER insiders, including two directors and the VP of Finance, sold a total of ~$387K in open-market shares over a one-week window. The cluster is 100% sells, with Director Hanish also exercising and immediately selling stock. At a $1.4B market cap, the total value is ~0.03% — well below the 0.1% materiality threshold — making this a routine, non-informative cluster likely driven by tax planning and vesting schedules rather than a bearish signal. Historical calibration shows strong past T+20 performance on OMER reports (+12% avg), but the proportionality check overrides any amplification here: the dollar amount is trivial relative to market cap, and per the academic literature, cluster sells are not predictive even when they occur. The cross-filing actuarial verdicts are all amplifiers, but they apply to context pairs (e.g., cluster + earnings) that are not present here — this is a standalone sell cluster with no material cross-filing context to escalate it. Score is capped at 3 due to trivial dollar value and non-predictive sell-cluster nature. Sentiment is neutral. Confidence is high because the data is clear and the proportionality check is unambiguous. Key facts: total sells $387K, 0.03% of market cap, 3 insiders, 100% sells, no C-suite CEO/CFO participation, exercise-and-sell pattern suggests routine option monetization. Actionable insight: no actionable signal — this is noise. Monitor for any material insider BUY cluster or a CEO/CFO open-market sell to indicate a real shift in sentiment. Risks: none from this filing. Related tickers: none. Time horizon: immediate. Drug names: none. Cross-filing narrative: no material cross-filings to escalate. Data: netDirection selling, totalValue 387000, insiderCount 3, cSuiteCount 1 (Borges is VP, not C-suite; counted as non-C-suite per strict definition), possibleCatalyst null. ImpactScore 3 is appropriate for a trivial, sub-0.1%-of-market-cap sell cluster with no predictive value. Sentiment neutral. Confidence high. All data fields from the filing: $387K total sells, 3 insiders, 1 VP-level (not C-suite).

DirectionNeutral
Confidencemedium
Horizondays
Latest settled — T+20d
OMER ▲ +4.41% at T+20d
NEUTRAL call ✓ call won +4.41% · α vs SPY +4.15% · entry $18.61 → $19.43
Next anchor: T+60d in 7w
Latest observation: T+22 -38.55% FF3 residual α
Entry anchored
Aug 27, 07:54 PM ET
via 1-min bar
T+1d
+0.97%
call +0.97% · α +1.27%
$18.79
settled 5w ago
T+5d
+1.83%
call +1.83% · α +1.72%
$18.95
settled 29d ago
T+20d
+4.41%
call +4.41% · α +4.15%
$19.43
settled 7d ago
T+60d
—
call — · α —
—
in 7w

Price Chart

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Executive Summary

Three OMER insiders, including two directors and the VP of Finance, sold a total of ~$387K in open-market shares over a one-week window. The cluster is 100% sells, with Director Hanish also exercising and immediately selling stock. At a $1.4B market cap, the total value is ~0.03% — well below the 0.1% materiality threshold — making this a routine, non-informative cluster likely driven by tax planning and vesting schedules rather than a bearish signal. Historical calibration shows strong past T+20 performance on OMER reports (+12% avg), but the proportionality check overrides any amplification here: the dollar amount is trivial relative to market cap, and per the academic literature, cluster sells are not predictive even when they occur. The cross-filing actuarial verdicts are all amplifiers, but they apply to context pairs (e.g., cluster + earnings) that are not present here — this is a standalone sell cluster with no material cross-filing context to escalate it. Score is capped at 3 due to trivial dollar value and non-predictive sell-cluster nature. Sentiment is neutral. Confidence is high because the data is clear and the proportionality check is unambiguous. Key facts: total sells $387K, 0.03% of market cap, 3 insiders, 100% sells, no C-suite CEO/CFO participation, exercise-and-sell pattern suggests routine option monetization. Actionable insight: no actionable signal — this is noise. Monitor for any material insider BUY cluster or a CEO/CFO open-market sell to indicate a real shift in sentiment. Risks: none from this filing. Related tickers: none. Time horizon: immediate. Drug names: none. Cross-filing narrative: no material cross-filings to escalate. Data: netDirection selling, totalValue 387000, insiderCount 3, cSuiteCount 1 (Borges is VP, not C-suite; counted as non-C-suite per strict definition), possibleCatalyst null. ImpactScore 3 is appropriate for a trivial, sub-0.1%-of-market-cap sell cluster with no predictive value. Sentiment neutral. Confidence high. All data fields from the filing: $387K total sells, 3 insiders, 1 VP-level (not C-suite).

Financial Impact

Not specified

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-1787983371778
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 29, 2026