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Who

Peter A. Demopulos

Director

Company insider

Files Form 4 as: Director, Omeros.

In numbers

Trades disclosed
41
Buys
7
Sells
0
Bought
$565K
Sold
$0
Companies
1
Companies where not an officer
1
First trade
13 Oct 2009
Last trade
18 Jun 2026
Last filed
22 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
OMER OmerosDirector · Biotechnology · last 18 Jun 20267 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
18 Jun 2026filed 22 Jun 2026OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code A—15,000 at $0.00filing
18 Jun 2026filed 22 Jun 2026OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code A—15,000 at $0.00filing
27 Jun 2025filed 1 Jul 2025OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code A—15,000 at $0.00filing
6 Jun 2024filed 7 Jun 2024OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code A—15,000 at $0.00filing
15 Nov 2023filed 17 Nov 2023OMER OmerosBiotechnologySEC FORM 4 Bought$15K10,000 at $1.53filing
23 Jun 2023filed 27 Jun 2023OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code A—15,000 at $0.00filing
21 Sep 2022filed 23 Sep 2022OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code A—7,500 at $0.00filing
17 Jun 2022filed 22 Jun 2022OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code A—7,500 at $0.00filing
11 Jun 2021filed 14 Feb 2022OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code A—7,500 at $0.00filing
22 Feb 2021filed 23 Feb 2021OMER OmerosBiotechnologySEC FORM 4 Code M$27K5,000 at $5.30filing
22 Feb 2021filed 23 Feb 2021OMER OmerosBiotechnologySEC FORM 4 Code M$23K5,000 at $4.53filing
22 Feb 2021filed 23 Feb 2021OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code M—5,000 at $0.00filing
22 Feb 2021filed 23 Feb 2021OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code M—5,000 at $0.00filing
5 Jun 2020filed 9 Jun 2020OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code A—7,500 at $0.00filing
14 Dec 2019filed 17 Dec 2019OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code M—3,334 at $0.00filing
14 Dec 2019filed 17 Dec 2019OMER OmerosBiotechnologySEC FORM 4 Code M$25K3,334 at $7.56filing
7 Jun 2019filed 11 Jun 2019OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code A—7,500 at $0.00filing
15 Jun 2018filed 18 Jun 2018OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code A—7,500 at $0.00filing
16 Jun 2017filed 16 Jun 2017OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code A—10,000 at $0.00filing
9 Jun 2016filed 10 Jun 2016OMER Omerosoption or derivative · BiotechnologySEC FORM 4 Code A—7,500 at $0.00filing

News

Omeros Stock Falls 12% After EMA Committee Reaffirms Negative Narsoplimab OpinionOMER · rttnews.com · 16 Oct 2026

0 headlines in the last 90 days name Peter A. Demopulos; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care7

Buys in green, sells in red, by the company’s sector.

Related people

David J. BorgesVP, Finance & CAO · VP, Finance & CAO at Omeros, filing Form 4 there in the last year
Peter B. CancelmoVP, General Counsel · VP, General Counsel at Omeros, filing Form 4 there in the last year
Arnold C. HanishDirector · Director at Omeros, filing Form 4 there in the last year
Thomas J. CableDirector · Director at Omeros, filing Form 4 there in the last year
Joseph L. SchockenDirector · Director at Omeros, filing Form 4 there in the last year