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Who

Charles Olson V

Director

Company insider

Files Form 4 as: Director, Edesa Biotech; Chief Technology Officer, Anthera Pharmaceuticals.

Every Form 4 they filed

In numbers

Trades disclosed
14
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
2
Companies where not an officer
1
First trade
12 Feb 2016
Last trade
27 May 2026
Last filed
29 May 2026

Companies traded

Where they are an officer
Anthera PharmaceuticalsOfficer · last 20 May 20170 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
EDSA Edesa BiotechDirector · Biotechnology · last 27 May 20260 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
27 May 2026filed 29 May 2026EDSA Edesa BiotechBiotechnologySEC FORM 4 Code A—19,000 at $0.00filing
27 May 2026filed 29 May 2026EDSA Edesa BiotechBiotechnologySEC FORM 4 Code A—19,000 at $0.00filing
29 May 2025filed 2 Jun 2025EDSA Edesa BiotechBiotechnologySEC FORM 4 Code A—11,000 at $0.00filing
20 Jul 2023filed 24 Jul 2023EDSA Edesa Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—20,000 at $0.00filing
20 Jul 2023filed 21 Jul 2023EDSA Edesa Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—20,000 at $0.00filing
12 Mar 2019filed 13 Mar 2019EDSA Edesa Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—357 at $0.00filing
12 Mar 2018filed 14 Mar 2018EDSA Edesa Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—2,500 at $0.00filing
20 May 2017filed 22 May 2017Anthera Pharmaceuticalsoption or derivativeSEC FORM 4 Code A—43,750 at $0.00filing
23 Mar 2017filed 27 Mar 2017EDSA Edesa Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—2,500 at $0.00filing
11 Jan 2017filed 6 Feb 2017Anthera PharmaceuticalsSEC FORM 4 Code A$4,2727,767 at $0.55filing
20 Dec 2016filed 21 Dec 2016EDSA Edesa Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—2,500 at $0.00filing
30 Jun 2016filed 6 Feb 2017Anthera PharmaceuticalsSEC FORM 4 Code A$4,7051,789 at $2.63filing
9 Jun 2016filed 13 Jun 2016Anthera Pharmaceuticalsoption or derivativeSEC FORM 4 Code A—100,000 at $0.00filing
12 Feb 2016filed 16 Feb 2016Anthera Pharmaceuticalsoption or derivativeSEC FORM 4 Code A—5,626 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

No trade we could place in a sector.

Related people

Nobody else traded the same names lately.