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Who

Steven W. King

Director

Company insider

Files Form 4 as: Director, Mateon Therapeutics; President and CEO, Mosaic ImmunoEngineering; President & CEO, Peregrine Pharmaceuticals.

Every Form 4 they filed

In numbers

Trades disclosed
56
Buys
3
Sells
0
Bought
$20K
Sold
$0
Companies
3
Companies where not an officer
1
First trade
15 Feb 2006
Last trade
10 Jul 2026
Last filed
21 Jul 2026

Companies traded

Where they are an officer
Mosaic ImmunoEngineeringDirector, Officer, 10% owner · last 18 Feb 20220 buys · 0 sells
Peregrine PharmaceuticalsDirector, Officer · last 31 Oct 20173 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
Mateon TherapeuticsDirector · Biotechnology · last 10 Jul 20260 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
10 Jul 2026filed 21 Jul 2026Mateon Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—250 at $0.00filing
10 Jul 2026filed 21 Jul 2026Oncotelic Therapeuticsoption or derivativeSEC FORM 4 Code A—250 at $0.00filing
18 Feb 2022filed 22 Feb 2022Mosaic ImmunoEngineeringoption or derivativeSEC FORM 4 Code J—filing
3 Sep 2021filed 8 Sep 2021Oncotelic Therapeuticsoption or derivativeSEC FORM 4 Code A—500,000 at $0.00filing
8 Jul 2021filed 16 Jul 2021Oncotelic Therapeuticsoption or derivativeSEC FORM 4 Code A—357,412 at $0.00filing
31 Mar 2021filed 16 Jul 2021Oncotelic TherapeuticsSEC FORM 4 Code C—3,291,720filing
31 Mar 2021filed 16 Jul 2021Oncotelic Therapeuticsoption or derivativeSEC FORM 4 Code C—3,292filing
29 Jan 2021filed 29 Jan 2021Mosaic ImmunoEngineeringoption or derivativeSEC FORM 4 Code C—161,000filing
29 Jan 2021filed 29 Jan 2021Mosaic ImmunoEngineeringSEC FORM 4 Code C—1,641,252filing
16 Dec 2020filed 16 Dec 2020Mosaic ImmunoEngineeringoption or derivativeSEC FORM 4 Code A$215K65,218 at $3.30filing
16 Dec 2020filed 16 Dec 2020Mosaic ImmunoEngineeringoption or derivativeSEC FORM 4 Code A$143K43,479 at $3.30filing
31 Oct 2017filed 1 Nov 2017Peregrine PharmaceuticalsSEC FORM 4 Code J$5,4101,398 at $3.87filing
28 Apr 2017filed 28 Apr 2017Peregrine PharmaceuticalsSEC FORM 4 Code J$5,38419,941 at $0.27filing
31 Oct 2016filed 1 Nov 2016Peregrine PharmaceuticalsSEC FORM 4 Code J$5,46018,826 at $0.29filing
2 Jun 2016filed 3 Jun 2016Peregrine Pharmaceuticalsoption or derivativeSEC FORM 4 Code A—500,000 at $0.00filing
29 Apr 2016filed 2 May 2016Peregrine PharmaceuticalsSEC FORM 4 Code J$3,20510,683 at $0.30filing
30 Oct 2015filed 2 Nov 2015Peregrine PharmaceuticalsSEC FORM 4 Code J$5,2005,474 at $0.95filing
11 May 2015filed 12 May 2015Peregrine Pharmaceuticalsoption or derivativeSEC FORM 4 Code A—300,000 at $0.00filing
30 Apr 2015filed 1 May 2015Peregrine PharmaceuticalsSEC FORM 4 Code J$5,1444,634 at $1.11filing
31 Oct 2014filed 4 Nov 2014Peregrine PharmaceuticalsSEC FORM 4 Code J$4,4613,280 at $1.36filing

News

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

Sectors

Not placed3

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

Related people

Nobody else traded the same names lately.