Bridgeline Digital, Inc. (BLIN) Insider Trading

Over the last 3 months, BLIN insiders made 1 open-market buy and 0 sales, a net purchase of $9K (SEC Form 4). Over the last 6 months, 10 institutions increased and 12 reduced their position (13F).

Insider Activity

Sentiment
100/100
Buys (3m)
1
Sells (3m)
0
Net (3m)
$9.3K
Insiders buying
Insider trades by month Buys Sells
Sep
Mar
May
Aug
Feb
Mar
Context3-month price +25.2%Institutions mixed (13F)
DateInsiderTypeSharesPrice
Mar 16, 2026Ross BrandondirectorTax7,583$0.82
Mar 16, 2026Ross BrandondirectorGrant22,500
Mar 16, 2026KAHN JONIdirectorTax7,252$0.82
Mar 16, 2026Galaznik KennethdirectorGrant22,500
Mar 16, 2026Ketslakh MichaeldirectorGrant22,500
Mar 16, 2026KAHN JONIdirectorGrant22,500
Mar 11, 2026Kahn Roger E.director, 10 percent owner, officer: President and CEOBuy10,000$0.93
Mar 4, 2026Ketslakh MichaeldirectorBuy2,487$0.85
Mar 4, 2026Ketslakh MichaeldirectorBuy4,472$0.85
Feb 26, 2026Ketslakh MichaeldirectorBuy2,394$0.85
Feb 26, 2026Ketslakh MichaeldirectorBuy10,647$0.85
Feb 23, 2026Ketslakh MichaeldirectorBuy1,353$0.85
Feb 19, 2026Kahn Roger E.director, 10 percent owner, officer: President and CEOBuy14,000$0.82
Feb 19, 2026Kahn Roger E.director, 10 percent owner, officer: President and CEOBuy35,301$0.75
Feb 19, 2026Kahn Roger E.director, 10 percent owner, officer: President and CEOBuy5,000$0.85
Feb 2, 2026Windhausen Thomas R.officer: Chief Financial OfficerGrant50,000$0.82
Feb 2, 2026Kahn Roger E.director, 10 percent owner, officer: President and CEOGrant300,000$0.82
Dec 31, 2025Kahn Roger E.director, 10 percent owner, officer: President and CEOOption1,000$0.81
Dec 31, 2025Kahn Roger E.director, 10 percent owner, officer: President and CEOTax685$0.90
Oct 2, 2025Windhausen Thomas R.officer: Chief Financial OfficerGrant50,000$1.32
Oct 2, 2025Kahn Roger E.director, 10 percent owner, officer: President and CEOGrant169,429
Oct 2, 2025Kahn Roger E.director, 10 percent owner, officer: President and CEOTax57,098$1.32
Aug 28, 2025Kahn Roger E.director, 10 percent owner, officer: President and CEOBuy15,000$1.50
Aug 28, 2025Kahn Roger E.director, 10 percent owner, officer: President and CEOBuy39,500$1.38
Jun 30, 2025Ross BrandondirectorGrant20,133
Jun 30, 2025Galaznik KennethdirectorGrant20,133
Jun 30, 2025Ketslakh MichaeldirectorGrant20,133
Jun 30, 2025KAHN JONIdirectorGrant20,133
Jun 30, 2025KAHN JONIdirectorTax6,489$1.51
Jun 30, 2025Ross BrandondirectorTax6,785$1.51

Source: BLIN SEC Form 4 filings, latest Mar 16, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their BLIN positions over the last 6 months (SEC Form 13F).

Increased
10
New positions
7
Reduced
12
Sold out
4
Largest moves
InstitutionActionSharesFiled
BARD ASSOCIATES INCReduced1.2MFeb 13, 2026
BARD ASSOCIATES INCReduced1.1MMay 8, 2026
RENAISSANCE TECHNOLOGIES LLCIncreased159KMay 14, 2026
RENAISSANCE TECHNOLOGIES LLCReduced146KFeb 12, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased127KMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCUnchanged126KFeb 9, 2026
CITADEL ADVISORS LLCIncreased118KFeb 17, 2026
VANGUARD GROUP INCUnchanged111KJan 29, 2026
LIDO ADVISORS, LLCIncreased79KMay 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position76KMay 15, 2026
LIDO ADVISORS, LLCNew Position58KFeb 10, 2026
CITADEL ADVISORS LLCReduced56KMay 15, 2026
DRW SECURITIES, LLCNew Position54KFeb 12, 2026
VANGUARD FIDUCIARY TRUST CONew Position35KMay 8, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLPReduced31KFeb 17, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.