Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
19 May 2026, 16:21:36 UTC
Prior SEC filing
20 May 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
Peter J. Wilder (Pursuant to Power of Attorney)

Key filing fact

Daniel P. Olszewski filed Form 4 for FIRST BUSINESS FINANCIAL SERVICES, INC. (FBIZ) on 19 May 2026.

Key facts

  • This page summarizes Daniel P. Olszewski's Form 4 filing for FIRST BUSINESS FINANCIAL SERVICES, INC. (FBIZ).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Accepted by SEC: 19 May 2026, 16:21.

Change

  • Previous filing in this sequence was filed on 20 May 2025.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001760576 Primary reporting owner

Olszewski Daniel P.

Relationship
Director
Address
401 CHARMANY DRIVE, MADISON
Signature
Peter J. Wilder (Pursuant to Power of Attorney)
Signature date
19 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

FBIZ transaction

Common Stock

Award

Transaction value
Shares
+710
Change %
+2.7%
Price
$0.000000*
Shares after
27,405
Date
16 May 2026
Ownership
Direct
Footnotes
F1
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

23,150 shares are held by the Kathryn J. Olszewski 2021 GST Trust.

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .