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Who

Bernd R. Seizinger

Other role

Company insider

Files Form 4 as: Director and Other, Aptose Biosciences; Director, Aprea Therapeutics; Director, Oncolytics Biotech.

In numbers

Trades disclosed
44
Buys
9
Sells
0
Bought
$578K
Sold
$0
Companies
3
Companies where not an officer
3
First trade
7 Oct 2019
Last trade
30 Jun 2026
Last filed
2 Jul 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
Aptose BiosciencesDirector, Other · Biotechnology · last 30 Jun 20261 buy · 0 sells
APRE Aprea TherapeuticsDirector · Biotechnology · last 16 Jun 20265 buys · 0 sells
ONCY Oncolytics BiotechDirector · Biotechnology · last 1 Jun 20263 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
02Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
30 Jun 2026filed 2 Jul 2026Aptose BiosciencesBiotechnologySEC FORM 4 Code D$29K17,000 at $1.72filing
30 Jun 2026filed 2 Jul 2026Aptose Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code D—3,333 at $0.00filing
30 Jun 2026filed 2 Jul 2026Aptose Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code D—100,000 at $0.00filing
30 Jun 2026filed 2 Jul 2026Aptose Biosciencesoption or derivativeSEC FORM 4 Code D—3,333 at $0.00filing
30 Jun 2026filed 2 Jul 2026Aptose Biosciencesoption or derivativeSEC FORM 4 Code D—100,000 at $0.00filing
30 Jun 2026filed 2 Jul 2026Aptose Biosciencesoption or derivativeSEC FORM 4 Code D—50,000 at $0.00filing
30 Jun 2026filed 2 Jul 2026Aptose Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code D—50,000 at $0.00filing
30 Jun 2026filed 2 Jul 2026Aptose BiosciencesSEC FORM 4 Code D$29K17,000 at $1.72filing
16 Jun 2026filed 17 Jun 2026APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Code A—3,135 at $0.00filing
16 Jun 2026filed 17 Jun 2026APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—12,555 at $0.00filing
16 Jun 2026filed 17 Jun 2026APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—12,555 at $0.00filing
16 Jun 2026filed 17 Jun 2026APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Code A—3,135 at $0.00filing
1 Jun 2026filed 3 Jun 2026ONCY Oncolytics Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—30,000 at $0.00filing
1 Jun 2026filed 3 Jun 2026ONCY Oncolytics Biotechoption or derivative · BiotechnologySEC FORM 4 Code A—30,000 at $0.00filing
12 Feb 2026filed 13 Feb 2026ONCY Oncolytics BiotechBiotechnologySEC FORM 4 Bought$34K40,000 at $0.8466filing
12 Feb 2026filed 13 Feb 2026ONCY Oncolytics BiotechBiotechnologySEC FORM 4 Bought$34K40,000 at $0.85filing
11 Feb 2026filed 13 Feb 2026ONCY Oncolytics BiotechBiotechnologySEC FORM 4 Bought$50K60,000 at $0.8265filing
11 Feb 2026filed 13 Feb 2026ONCY Oncolytics BiotechBiotechnologySEC FORM 4 Bought$50K60,000 at $0.83filing
16 Jan 2026filed 20 Jan 2026ONCY Oncolytics BiotechBiotechnologySEC FORM 4 Bought$104K100,000 at $1.04filing
16 Jan 2026filed 20 Jan 2026ONCY Oncolytics BiotechBiotechnologySEC FORM 4 Bought$104K100,000 at $1.04filing

News

Oncolytics Biotech (NASDAQ:ONCY) Stock Price Up 9.8% – Still a Buy?ONCY · dailypolitical.com · 16 Oct 2026Oncolytics Biotech® Provides Update on GOBLET Study Clinical Data and Final PanCAN Grant PaymentONCY · manilatimes.net · 14 Oct 2026

0 headlines in the last 90 days name Bernd R. Seizinger; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care8
Not placed1

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

Related people

Fletcher PayneOther role · Other at Aptose Biosciences, filing Form 4 there in the last year
Erich PlatzerOther role · Other at Aptose Biosciences, filing Form 4 there in the last year
Mark D. VincentOther role · Other at Aptose Biosciences, filing Form 4 there in the last year
Rafael BejarOther role · Other at Aptose Biosciences, filing Form 4 there in the last year
William G. RiceChair, President & CEO · Chair, President & CEO at Aptose Biosciences, filing Form 4 there in the last year