Bernd R. Seizinger

CIK 1789042 · last filed 2026-06-03

Bernd R. Seizinger is a corporate insider who has filed 18 SEC Form 4 insider transactions across 3 companies since 2019. The most recent filing, for ONCY, was dated Jun 3, 2026. Across all open-market trades the lifetime net is +$389.9K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $486.7K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$486.7K

Companies

3

Total Filings

18

Lifetime Open-Market Net

$389.9K

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
ONCY Director 566,991 $0.80 $455.3K $187.2K 3 2026-06-03
APRE Director 45,775 $0.69 $31.4K $149.3K 11 2025-06-09
Aptose Biosciences Inc. (APTO) Delisted Director 17,000 $1.71 $29.1K $53.4K 4 2024-02-07

Recent Filings

18 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-03 ONCY Grant (A) $0 EDGAR
2026-02-13 ONCY Buy (P) +100,000 $83.5K EDGAR
2026-01-20 ONCY Buy (P) +100,000 $103.8K EDGAR
2025-06-09 APRE Grant (A) +1,045 $0 EDGAR
2024-10-15 APRE Buy (P) +10,000 $26.8K EDGAR
2024-06-21 APRE Grant (A) +1,045 $0 EDGAR
2024-03-14 APRE Buy (P) +6,860 $50.0K EDGAR
2024-02-07 Aptose Biosciences Inc. (APTO) Delisted Grant (A) $0 EDGAR
2023-09-25 Aptose Biosciences Inc. (APTO) Delisted Buy (P) +17,000 $53.4K EDGAR
2023-08-24 APRE Grant (A) +500 $0 EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.