Seizinger Bernd R. — SEC Form 4 filings

SEC reporting owner CIK 1789042. 10 Form 4 filings on record with FilingPulse; latest filed 2026-07-02.

Transaction summary — filings shown

Covers all 10 filings on record, filed 2024-02-07 to 2026-07-02. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By issuer — same filings

Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

IssuerRole (as filed)FilingsPurchases (P)Sales (S)Other legs
ONCOLYTICS BIOTECH INC (ONCY)Director33 legs · 200,000 sh · $187,2241
Aprea Therapeutics, Inc. (APRE)Director52 legs · 16,860 sh · $76,8098
Aptose Biosciences Inc. (APTO)25

Form 4 filings — Seizinger Bernd R.

FiledFormIssuerReported transactionsSource
2026-07-024Aptose Biosciences Inc. (APTO)Disposition to issuer (D): 17,000 @ $1.72 · Disposition to issuer (D): 3,333 (derivative) @ $0 · Disposition to issuer (D): 100,000 (derivative) @ $0 · Disposition to issuer (D): 50,000 (derivative) @ $0EDGAR
2026-06-174Aprea Therapeutics, Inc. (APRE)Grant/award (A): 3,135 @ $0 · Grant/award (A): 12,555 (derivative) @ $0EDGAR
2026-06-034ONCOLYTICS BIOTECH INC (ONCY)Grant/award (A): 30,000 (derivative) @ $0EDGAR
2026-02-134ONCOLYTICS BIOTECH INC (ONCY)Purchase (P): 60,000 @ $0.83 · Purchase (P): 40,000 @ $0.85EDGAR
2026-01-204ONCOLYTICS BIOTECH INC (ONCY)Purchase (P): 100,000 @ $1.04EDGAR
2025-06-094Aprea Therapeutics, Inc. (APRE)Grant/award (A): 1,045 @ $0 · Grant/award (A): 4,185 (derivative) @ $0EDGAR
2024-10-154Aprea Therapeutics, Inc. (APRE)Purchase (P): 10,000 @ $2.68EDGAR
2024-06-214Aprea Therapeutics, Inc. (APRE)Grant/award (A): 1,045 @ $0 · Grant/award (A): 4,185 (derivative) @ $0EDGAR
2024-03-144Aprea Therapeutics, Inc. (APRE)Purchase (P): 6,860 @ $7.29 · Purchase (P): 3,430 (derivative) · Purchase (P): 3,430 (derivative)EDGAR
2024-02-074Aptose Biosciences Inc. (APTO)Grant/award (A): 3,333 (derivative) @ $0EDGAR

FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.

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