Cancelmo Peter B sold $930K of OMER
Cancelmo Peter B (VP, General Counsel) sold 50,000 shares of OMEROS CORP (OMER) at an average of $18.59 ($18.54–$18.65, $0.93M total) across 2 trades over 2026-08-28 to 2026-08-31.
How this was made
The 30-second read
Why it matters
The sale reduces insider ownership, which some investors view as a negative signal, though the amount is modest relative to market cap.
Market read
A routine insider sale with limited market impact.
What to watch
No 10b5-1 plan; the insider may have personal liquidity needs.
Background
Form 4 filings disclose insider transactions and are primary sources for such events.
Ticker impact
VP and General Counsel Peter B. Cancelmo sold 50,000 shares for $929,667, reducing his stake to 200 shares.
Possible modest downward pressure in the near term.
Large insider sell of ~0.5% of float, but no accompanying buyback or other catalyst.
Market effects
Minimal impact on the broader biotech sector.
Limited to US markets where OMER trades.
Low
Counterpoint
The sale could be unrelated to confidence, perhaps a tax or diversification move.
Key entities
- OfficerPeter B. Cancelmo
Vice President, General Counsel of OMEROS CORP
