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Explore/Insider Signals

Insider Buying Signals

When multiple C-suite executives buy their own stock within days of each other, it's worth paying attention. We detect these clusters automatically from SEC Form 4 filings.

3+ insiders
Open-market purchases only
Updated daily

Active Clusters

Stocks where 3+ officers or directors bought in the last 30 days

19 found
AEBI6 insiders buying

Aebi Schmidt Holding AG

$253K

total value

Schewerda Steffen· Pres Vehicle Soln & CEO NA
5K shares@ $11.68May 19
Scherer Marcus Andreas· Chief Engineering
2K shares@ $12.15May 19
Schaub Patrick Francois
7K shares@ $11.41May 15
Portmann Marco· Group Chief Financial Officer
5K shares@ $11.31May 15
Schroeder Henning· CEO Europe and ROW
3K shares@ $11.30May 15
Meury Joel Michel· Principal Accounting Officer
500 shares@ $11.30May 15

90-day price · green dots = insider buys

May 15May 19

22K total shares

AGBK6 insiders buying

AGI Inc

$220K

total value

DUBEUX MARCELLO WINIK· Financial and IR Officer
1K shares@ $7.00May 19
Morais Rafael De Oliveira· Risk & Controllership Officer
435.57 shares@ $7.12May 14
ALOE VINICIUS BIRKELAND· Chief Technology Officer
406.67 shares@ $7.38May 12
GIRARDI MATHEUS· Chief Sales Officer
270 shares@ $7.09May 8
TESTA MARCIANO· Chairman and CEO
28K shares@ $7.1523May 7
De Farias Daniel Monteiro· Chief Products Officer
692.5208 shares@ $7.22May 7

90-day price · green dots = insider buys

May 7May 19

31K total shares

CBKM5 insiders buying

CONSUMERS BANCORP INC /OH/

$68K

total value

Bickerton David R
100 shares@ $26.8745May 20
Benavides David E· SVP, Senior Loan Officer
100 shares@ $26.8745May 20
Gano Ann M
500 shares@ $27.45May 12
Lober Ralph J II· CEO & President
300 shares@ $27.25May 7
Gerzina Joseph A
2K shares@ $27May 1

90-day price · green dots = insider buys

May 1May 20

3K total shares

CCFN4 insiders buying

MUNCY COLUMBIA FINANCIAL Corp

$137K

total value

MCMICHAEL W BRUCE JR
926 shares@ $26.99May 26
MCMICHAEL W BRUCE JR
932 shares@ $26.80May 21
Glunk Robert J
4 shares@ $74.75May 4
Glunk Robert J
6 shares@ $74.27May 1
Lehman Jessica M.· EVP/Director of Trust Services
174 shares@ $72.12Apr 30
Klingerman Brian D
1K shares@ $73.50Apr 29

90-day price · green dots = insider buys

Apr 29May 26

3K total shares

HROW4 insiders buying

HARROW, INC.

$469K

total value

SILVERNAIL LAUREN P
1K shares@ $31.00May 18
Graves Adrienne L
1K shares@ $31.07May 18
BAUM MARK L· CHIEF EXECUTIVE OFFICER
10K shares@ $30.20May 14
BOLL ANDREW R.· PRESIDENT AND CFO
4K shares@ $29.90May 14

May 14May 18

16K total shares

IPM4 insiders buying

INTELLIGENT PROTECTION MANAGEMENT CORP.

$33K

total value

Katz Jason· Chief Executive Officer
10K shares@ $1.97May 21
SLOANE BARRY
5K shares@ $1.95May 21
Silberstein John
1K shares@ $1.92May 19
Abada Yoram
1K shares@ $1.89May 15

May 15May 21

17K total shares

NSPR4 insiders buying

InspireMD, Inc.

$253K

total value

Stuka Paul
5K shares@ $1.15May 14
Slosman Marvin· CEO and President
21K shares@ $1.20May 12
Stuka Paul
10K shares@ $1.19May 11
Stuka Paul
10K shares@ $1.19May 11
Stuka Paul
6K shares@ $1.15May 7
ROUBIN GARY S
90K shares@ $1.18May 7
Ward Scott R.
73K shares@ $1.15May 7

May 7May 14

216K total shares

NWFL4 insiders buying

NORWOOD FINANCIAL CORP

$49K

total value

Carroll Joseph W
180 shares@ $29.61May 1
Shook James
375 shares@ $29.06Apr 30
McCaffery John Martin JR· EVP & CFO
1K shares@ $29.44Apr 30
Donnelly James O· President & CEO
100 shares@ $29.06Apr 29

Apr 29May 1

2K total shares

OPCH4 insiders buying

Option Care Health, Inc.

$1.9M

total value

SULLIVAN TIMOTHY P
24K shares@ $20.6869May 7
RADEMACHER JOHN CHARLES· Chief Executive Officer
13K shares@ $21.1765May 4
KRAEMER HARRY M JANSEN JR
37K shares@ $21.4087May 4
Sethna Meenal· Chief Financial Officer
16K shares@ $20.1587May 4

May 4May 7

89K total shares

TONX4 insiders buying

TON Strategy Co

$111K

total value

Marbach Mary· General Counsel/Corp Secretary
2K shares@ $3.52May 15
Olsen Sarah Josephine· CFO & COO
7K shares@ $3.62May 14
Wilson Kevin Mark· Chief Executive Officer
8K shares@ $3.66May 14
Wilson Kevin Mark· Chief Executive Officer
8K shares@ $3.66May 14
Sohn Evan
3K shares@ $3.585May 14
Sohn Evan
3K shares@ $3.585May 14

May 14May 15

31K total shares

WSBK4 insiders buying

Winchester Bancorp, Inc./MD/

$47K

total value

Merritt Edward J
915 shares@ $12.76May 26
Carroll John A· President & CEO
50 shares@ $12.75May 21
Snow John Ingalls III
200 shares@ $12.77May 7
Snow John Ingalls III
200 shares@ $0May 5
Boodakian Stephen Harry
3K shares@ $12.9299May 1

May 1May 26

4K total shares

ACON3 insiders buying

Aclarion, Inc.

$46K

total value

Breidbart Scott
6K shares@ $3.18May 12
Ness Brent· Chief Executive Officer
6K shares@ $3.18May 11
Neal David K
3K shares@ $3.10May 11

May 11May 12

14K total shares

AGIG3 insiders buying

ABUNDIA GLOBAL IMPACT GROUP, INC.

$55K

total value

Gillespie Edward Oliver· Chief Executive Officer
15K shares@ $1.15May 18
Gillespie Edward Oliver· Chief Executive Officer
13K shares@ $1.157May 14
LONGO PETER F.
10K shares@ $1.20May 12
Bailey Robert J.
9K shares@ $1.1999May 12

May 12May 18

47K total shares

AVBC3 insiders buying

Avidia Bancorp, Inc.

$119K

total value

Jensen Barry H· EVP and Chief Admin Officer
500 shares@ $18.88May 18
Jensen Barry H· EVP and Chief Admin Officer
500 shares@ $19.26May 14
GILLES MICHAEL O
1K shares@ $19.50May 14
Cozzone Robert D· President & CEO
2K shares@ $19.7678May 13
Jensen Barry H· EVP and Chief Admin Officer
1K shares@ $20.19May 8
Jensen Barry H· EVP and Chief Admin Officer
1K shares@ $20.30Apr 29

Apr 29May 18

6K total shares

BLNE3 insiders buying

Beeline Holdings, Inc.

$74K

total value

Liuzza Nicholas Reyland JR· Chief Executive Officer
52K shares@ $1.04May 19
Milton Tiffany· Chief Accounting Officer
10K shares@ $1.02May 19
Moe Christopher R.· Chief Financial Officer
10K shares@ $1.0393May 19

May 19May 19

72K total shares

BOTJ3 insiders buying

BANK OF THE JAMES FINANCIAL GROUP INC

$49K

total value

JAMERSON PHILLIP C
1K shares@ $23.39690May 7
ADDISON LEWIS C
82 shares@ $23.175May 7
BRYANT WILLIAM C III
1K shares@ $23.11May 6

May 6May 7

2K total shares

FGBI3 insiders buying

First Guaranty Bancshares, Inc.

$3.0M

total value

Smith Edgar R. III
109K shares@ $9.17Apr 30
REYNOLDS MARSHALL T
109K shares@ $9.17Apr 30
McAnally Bruce
109K shares@ $9.17Apr 30

Apr 30Apr 30

327K total shares

HCWB3 insiders buying

HCW Biologics Inc.

$430K

total value

Wong Hing C· Chief Executive Officer
114K shares@ $1.405May 22
Byam Rebecca· Chief Financial Officer
14K shares@ $1.405May 22
GARRETT SCOTT T
178K shares@ $1.405May 22

May 22May 22

306K total shares

OVLY3 insiders buying

Oak Valley Bancorp

$25K

total value

HOLDER H RANDOLPH JR
200 shares@ $32.50May 12
LAFFERTY ALLISON
180 shares@ $33.19May 5
Leonard Daniel J
375 shares@ $33Apr 29

Apr 29May 12

755 total shares

Get clusters via API

try this →
curl -H "X-API-Key: YOUR_KEY" \
  "https://api.vintl.io/v1/insider/clusters?min_insiders=3&days=30"

Recent Filings

Latest SEC Form 4 insider transactions — last 7 days

Buy
TPL· HORIZON KINETICS ASSET MANAGEMENT LLC

10% Owner

1 shares

@ $404.86

$405

May 27

Sell
SE· Chen Jingye

CPO, Shopee

130 shares

@ $94.1

$12K

May 27

Sell
TG· GOTTWALD WILLIAM M

10% Owner

10K shares

@ $8.014

$83K

May 27

Sell
TG· Gottwald James T.

10% Owner

10K shares

@ $8.014

$83K

May 27

Sell
TG· GOTTWALD JOHN D

10% Owner

10K shares

@ $8.014

$83K

May 27

Sell
SE· Wang Yanjun

CCO and GC

130 shares

@ $94.1

$12K

May 27

C
LEVI· Haas Robert D.

10% Owner

6K shares

@ $24.0044

$140K

May 27

Buy
NAKA· Bailey David F

Chief Executive Officer

26K shares

@ $5.33

$137K

May 27

Option
ESP· WOOL MICHAEL W

Director

2K shares

@ $20.50

$44K

May 27

Sell
SE· Ye Gang

COO

2K shares

@ $94.09

$147K

May 27

Sell
TRT· TING HOCK MING

Director

17K shares

@ $16.65

$286K

May 26

Option
TATT· Lewandowski Jason

Chief Operating Officer

3K shares

@ $39.22

$123K

May 26

J
GHC· O'Shaughnessy Timothy J

President and CEO

400 shares

@ $

$NaN

May 26

J
GHC· Weymouth Katharine

Director

6K shares

@ $

$NaN

May 26

J
GHC· O'Shaughnessy Laura

10% Owner

400 shares

@ $

$NaN

May 26

Get filings via API

try this →
curl -H "X-API-Key: YOUR_KEY" \
  "https://api.vintl.io/v1/insider/filings?days=7&limit=20"

How cluster detection works

1

Collect

Every SEC Form 4 filing is parsed and stored within hours of submission.

2

Filter

Only open-market purchases by officers and directors. No option exercises, no awards.

3

Detect

When 3+ distinct insiders buy the same stock within a rolling window, it's flagged as a cluster.

Why insider clusters matter

A single insider buying stock could mean anything — a scheduled purchase plan, tax optimization, or genuine conviction. But when multiple executives at the same company start buying with their own money within days of each other, the signal is stronger.

Academic research consistently shows that insider buying clusters are among the most reliable predictive signals in equity markets. These aren't analysts guessing — they're the people who see the quarterly numbers before anyone else.

they know something you don't — unless you have the data

More data, same API

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/v1/series/{id}/observations

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