Every SEC filing First Business Financial Services, Inc. (FBIZ) has made, as reported
on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership
disclosures. Filter by form group, form type or period, and open any filing or its index directly.
Form Type
#
Form Type
Form Group
Accession
Date
Filing
Index
1
8-K
Current Report
0001193125-26-448813
Nov 5, 2026 9:16 AM
2
10-Q
Quarterly & Annual Report
0001193125-26-441632
Oct 30, 2026 4:06 PM
3
8-K
Current Report
0001193125-26-437781
Oct 29, 2026 8:05 PM
4
13F-HR
Beneficial Ownership Report
0001140361-26-041125
Oct 29, 2026 2:00 PM
5
4
Insider Transaction
0000892712-26-000359
Aug 28, 2026 4:40 PM
6
N-PX
Others
0001438934-26-001169
Aug 21, 2026 4:22 PM
7
8-K
Current Report
0001193125-26-359419
Aug 20, 2026 9:28 PM
8
4
Insider Transaction
0000892712-26-000353
Aug 18, 2026 8:12 PM
9
10-Q
Quarterly & Annual Report
0001193125-26-328468
Jul 31, 2026 8:06 PM
10
8-K
Current Report
0001193125-26-326079
Jul 30, 2026 8:00 PM
11
13F-HR
Beneficial Ownership Report
0001140361-26-029854
Jul 28, 2026 2:16 PM
12
3
Insider Transaction
0000892712-26-000292
Jun 2, 2026 8:12 PM
13
8-K
Current Report
0001193125-26-245166
May 28, 2026 8:02 PM
14
4
Insider Transaction
0000892712-26-000269
May 19, 2026 8:22 PM
15
4
Insider Transaction
0000892712-26-000268
May 19, 2026 8:21 PM
16
4
Insider Transaction
0000892712-26-000267
May 19, 2026 8:21 PM
17
4
Insider Transaction
0000892712-26-000266
May 19, 2026 8:21 PM
18
4
Insider Transaction
0000892712-26-000265
May 19, 2026 8:20 PM
19
4
Insider Transaction
0000892712-26-000264
May 19, 2026 8:20 PM
20
4
Insider Transaction
0000892712-26-000263
May 19, 2026 8:20 PM
21
4
Insider Transaction
0000892712-26-000262
May 19, 2026 8:19 PM
22
4
Insider Transaction
0000892712-26-000261
May 19, 2026 8:19 PM
23
4
Insider Transaction
0000892712-26-000260
May 19, 2026 8:18 PM
24
8-K
Current Report
0001104659-26-058671
May 11, 2026 8:19 PM
25
8-K
Current Report
0001193125-26-204998
May 5, 2026 11:01 AM
26
13F-HR
Beneficial Ownership Report
0001140361-26-018481
May 1, 2026 5:31 PM
27
8-K
Current Report
0001193125-26-191442
Apr 29, 2026 8:02 PM
28
S-8
Prospectus
0001104659-26-050422
Apr 28, 2026 8:39 PM
29
10-Q
Quarterly & Annual Report
0001193125-26-177139
Apr 24, 2026 8:06 PM
30
8-K
Current Report
0001193125-26-173671
Apr 23, 2026 8:06 PM
31
8-K
Current Report
0001193125-26-158945
Apr 16, 2026 8:01 PM
32
4
Insider Transaction
0000892712-26-000217
Apr 14, 2026 8:25 PM
33
4
Insider Transaction
0000892712-26-000216
Apr 14, 2026 8:25 PM
34
4
Insider Transaction
0000892712-26-000215
Apr 14, 2026 8:24 PM
35
4
Insider Transaction
0000892712-26-000214
Apr 14, 2026 8:24 PM
36
4
Insider Transaction
0000892712-26-000213
Apr 14, 2026 8:24 PM
37
4
Insider Transaction
0000892712-26-000211
Apr 14, 2026 8:23 PM
38
4
Insider Transaction
0000892712-26-000210
Apr 14, 2026 8:22 PM
39
4
Insider Transaction
0000892712-26-000209
Apr 14, 2026 8:22 PM
40
8-K
Current Report
0001193125-26-154867
Apr 14, 2026 8:01 PM
41
SCHEDULE 13G
Beneficial Ownership Report
0000102909-26-001235
Mar 26, 2026 10:21 PM
42
EFFECT
Others
9999999995-26-000820
Mar 13, 2026 4:15 AM
43
8-K
Current Report
0001193125-26-104126
Mar 12, 2026 8:07 PM
44
CORRESP
Others
0001104659-26-025929
Mar 10, 2026 9:10 PM
45
DEFA14A
Others
0001104659-26-025239
Mar 9, 2026 8:20 PM
46
UPLOAD
Others
0000000000-26-002383
Mar 9, 2026 12:30 PM
47
DEFA14A
Others
0001193125-26-092621
Mar 5, 2026 1:10 PM
48
DEF 14A
Others
0001193125-26-092613
Mar 5, 2026 1:07 PM
49
S-3
Prospectus
0001104659-26-022926
Mar 3, 2026 10:03 PM
50
10-K
Quarterly & Annual Report
0001193125-26-071523
Feb 25, 2026 9:06 PM
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First Business Financial Services, Inc. SEC Filings API
Pull First Business Financial Services, Inc.'s SEC filing index, with links to every filing and exhibit, into your own tools with the Business Quant SEC Filings API. Swap YOUR_API_KEY for your own key.
const res = await fetch("https://data.businessquant.com/secfilings?ticker=FBIZ&formtype=10-K,10-Q&api_key=YOUR_API_KEY");
const data = await res.json();