Frank L. Muller

CIK 1807551 · last filed 2026-06-03

Frank L. Muller is a corporate insider who has filed 25 SEC Form 4 insider transactions across 2 companies since 2020. The most recent filing, for BCAL, was dated Jun 3, 2026. Current disclosed insider exposure totals $788.0K 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

$788.0K

Companies

2

Total Filings

25

Lifetime Open-Market Net

$0

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
BCAL Director 39,860 $19.77 $788.0K $0 3 2026-06-03
California BanCorp (CALB) Delisted Director 0 $25.09 $0 $0 22 2024-07-31

Recent Filings

25 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-03 BCAL Mixed +3,224 $537 EDGAR
2025-05-23 BCAL Grant (A) +3,729 $0 EDGAR
2024-08-12 BCAL Grant (A) +3,146 $0 EDGAR
2024-07-31 California BanCorp (CALB) Delisted Disp (D) −18,718 $0 EDGAR
2024-07-22 California BanCorp (CALB) Delisted Grant (A) +1,399 $0 EDGAR
2024-02-05 California BanCorp (CALB) Delisted Grant (A) +362 $9.0K EDGAR
2023-11-02 California BanCorp (CALB) Delisted Grant (A) +440 $9.0K EDGAR
2023-08-18 California BanCorp (CALB) Delisted Grant (A) +484 $9.0K EDGAR
2023-05-22 California BanCorp (CALB) Delisted Grant (A) +2,340 $0 EDGAR
2023-05-03 California BanCorp (CALB) Delisted Grant (A) +544 $9.0K 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.