Insider Transactions Reported by 8 Insiders of
Bridgeline Digital, Inc.
-
Symbol
-
BLIN on Nasdaq
-
Location
-
Woburn, MA
Quick Takeaways
- BLIN - Bridgeline Digital, Inc. has 8 insiders with reported activity on this page.
- Net insider value flow over the last year: +$302,257.
- Recent transaction rows are available for direct filing-level review.
What Changed
- Buy value: $302,257; sell value: $0.
- Net share flow: <span class="text-green-600">+240,254</span>.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Filed on Form 4
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
See Original Filing
Insiders trading volume in the past year
Insider trading buckets (0-12 months)
Bridgeline Digital, Inc. executives and other stock owners filed with the SEC include:
| Name |
Relationship |
Holdings Value |
Past Year Net Change |
Change % |
Valuation |
Report Date |
| Roger E. Kahn |
President and CEO, Director, 10%+ Owner |
$1,650,025 |
+$284,107 |
+21% |
Mixed |
10 Mar 2026 |
| Michael Ketslakh |
Director |
$428,562 |
+$18,150 |
+4.4% |
Mixed |
02 Mar 2026 |
| Michael N. Taglich |
Director |
$73,751 |
|
|
Mixed |
22 Aug 2024 |
| Brandon Ross |
Director |
$64,959 |
|
|
Mixed |
30 Jan 2026 |
| Kenneth Galaznik |
Director |
$35,882 |
|
|
Mixed |
30 Jan 2026 |
| Joni Kahn |
Director |
$29,909 |
|
|
Mixed |
30 Jan 2026 |
| Scott E. Landers |
Director |
|
|
|
Mixed |
16 Feb 2024 |
| Thomas R. Windhausen |
Chief Financial Officer |
|
|
|
Mixed |
30 Jan 2026 |
Recent Insider Transactions by Companies or Individuals for Bridgeline Digital, Inc.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider |
Symbol |
Class |
Transaction |
% |
Value $ |
* Price $ |
Shares |
Shares Owned |
Date |
Ownership |
| Roger E. Kahn |
BLIN |
Common Stock |
Purchase |
0.57% |
$9,300 |
$0.9300 |
10,000 |
1,773,736 |
10 Mar 2026 |
Direct |
| Michael Ketslakh |
BLIN |
Common Stock |
Purchase |
0.91% |
$3,801 |
$0.8500 |
4,472 |
493,842 |
03 Mar 2026 |
Direct |
| Michael Ketslakh |
BLIN |
Common Stock |
Purchase |
0.51% |
$2,114 |
$0.8500 |
2,487 |
489,370 |
02 Mar 2026 |
Direct |
| Michael Ketslakh |
BLIN |
Common Stock |
Purchase |
2.24% |
$9,050 |
$0.8500 |
10,647 |
486,883 |
25 Feb 2026 |
Direct |
| Michael Ketslakh |
BLIN |
Common Stock |
Purchase |
0.51% |
$2,035 |
$0.8500 |
2,394 |
476,236 |
24 Feb 2026 |
Direct |
| Michael Ketslakh |
BLIN |
Common Stock |
Purchase |
0.29% |
$1,150 |
$0.8500 |
1,353 |
473,842 |
19 Feb 2026 |
Direct |
| Roger E. Kahn |
BLIN |
Common Stock |
Purchase |
0.28% |
$4,250 |
$0.8500 |
5,000 |
1,763,736 |
19 Feb 2026 |
Direct |
| Roger E. Kahn |
BLIN |
Common Stock |
Purchase |
0.8% |
$11,480 |
$0.8200 |
14,000 |
1,758,736 |
18 Feb 2026 |
Direct |
| Roger E. Kahn |
BLIN |
Common Stock |
Purchase |
2.07% |
$26,476 |
$0.7500 |
35,301 |
1,744,736 |
17 Feb 2026 |
Direct |
| Joni Kahn |
BLIN |
Common Stock |
Tax liability |
-19.8% |
|
|
-7,252 |
29,457 |
30 Jan 2026 |
Direct |
| Joni Kahn |
BLIN |
Common Stock |
Award |
158.4% |
|
|
22,500 |
36,709 |
30 Jan 2026 |
Direct |
| Kenneth Galaznik |
BLIN |
Common Stock |
Award |
108.5% |
|
|
22,500 |
43,232 |
30 Jan 2026 |
Direct |
| Michael Ketslakh |
BLIN |
Common Stock |
Award |
54.2% |
|
|
22,500 |
63,986 |
30 Jan 2026 |
Direct |
| Brandon Ross |
BLIN |
Common Stock |
Tax liability |
-8.83% |
|
|
-7,583 |
78,265 |
30 Jan 2026 |
Direct |
| Brandon Ross |
BLIN |
Common Stock |
Award |
35.5% |
|
|
22,500 |
85,848 |
30 Jan 2026 |
Direct |
| Thomas R. Windhausen |
BLIN |
Stock Option (right to buy) |
Award |
|
|
|
50,000 |
50,000 |
30 Jan 2026 |
Direct |
| Roger E. Kahn |
BLIN |
Common Stock |
Award |
21.3% |
|
|
300,000 |
1,709,435 |
30 Jan 2026 |
Direct |
| Roger E. Kahn |
BLIN |
Common Stock |
Tax liability |
-0.05% |
|
|
-685 |
1,409,435 |
30 Dec 2025 |
Direct |
| Roger E. Kahn |
BLIN |
Common Stock |
Options Exercise |
0.07% |
|
|
1,000 |
1,410,120 |
30 Dec 2025 |
Direct |
| Roger E. Kahn |
BLIN |
Stock option (right to buy) |
Options Exercise |
-100% |
|
|
-1,000 |
0 |
30 Dec 2025 |
Direct |
| Roger E. Kahn |
BLIN |
Common Stock |
Tax liability |
-3.89% |
|
|
-57,098 |
1,409,120 |
30 Sep 2025 |
Direct |
| Roger E. Kahn |
BLIN |
Common Stock |
Award |
13.1% |
|
|
169,429 |
1,466,218 |
30 Sep 2025 |
Direct |
| Thomas R. Windhausen |
BLIN |
Stock Option (right to buy) |
Award |
|
|
|
50,000 |
50,000 |
30 Sep 2025 |
Direct |
| Roger E. Kahn |
BLIN |
Common Stock |
Purchase |
3.14% |
$54,510 |
$1.38 |
39,500 |
1,296,789 |
26 Aug 2025 |
Direct |
| Kenneth Galaznik |
BLIN |
Common Stock |
Award |
3361.1% |
|
|
20,133 |
20,732 |
26 Jun 2025 |
Direct |
| Michael Ketslakh |
BLIN |
Common Stock |
Award |
4.45% |
|
|
20,133 |
472,489 |
26 Jun 2025 |
Direct |
| Brandon Ross |
BLIN |
Common Stock |
Tax liability |
-9.67% |
|
|
-6,785 |
63,348 |
26 Jun 2025 |
Direct |
| Brandon Ross |
BLIN |
Common Stock |
Award |
40.3% |
|
|
20,133 |
70,133 |
26 Jun 2025 |
Direct |
| Roger E. Kahn |
BLIN |
Common Stock |
Tax liability |
-3.4% |
|
|
-43,739 |
1,242,436 |
26 Jun 2025 |
Direct |
| Roger E. Kahn |
BLIN |
Common Stock |
Award |
11.2% |
|
|
129,788 |
1,286,175 |
26 Jun 2025 |
Direct |
| Roger E. Kahn |
BLIN |
Common Stock |
Purchase |
1.21% |
$22,500 |
$1.50 |
15,000 |
1,257,289 |
20 Jun 2025 |
Direct |
| Roger E. Kahn |
BLIN |
Common Stock |
Purchase |
4.39% |
$74,394 |
$1.53 |
48,600 |
1,156,387 |
27 May 2025 |
Direct |
| Roger E. Kahn |
BLIN |
Common Stock |
Purchase |
0.09% |
$1,550 |
$1.55 |
1,000 |
1,107,787 |
23 May 2025 |
Direct |
| Roger E. Kahn |
BLIN |
Common Stock |
Purchase |
4.78% |
$79,647 |
$1.58 |
50,500 |
1,106,787 |
22 May 2025 |
Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.