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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

14 found
AGBK7 insiders buying

AGI Inc

$235K

total value

Correa Glauber Marques· Director and COO
2K shares@ $7.3255Jun 1
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
De Farias Daniel Monteiro· Chief Products Officer
692.5208 shares@ $7.22May 7
TESTA MARCIANO· Chairman and CEO
28K shares@ $7.1523May 7

90-day price · green dots = insider buys

May 7Jun 1

33K total shares

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
Schroeder Henning· CEO Europe and ROW
3K shares@ $11.30May 15
Meury Joel Michel· Principal Accounting Officer
500 shares@ $11.30May 15
Schaub Patrick Francois
7K shares@ $11.41May 15
Portmann Marco· Group Chief Financial Officer
5K shares@ $11.31May 15

90-day price · green dots = insider buys

May 15May 19

22K total shares

CBKM4 insiders buying

CONSUMERS BANCORP INC /OH/

$27K

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

90-day price · green dots = insider buys

May 7May 20

1K 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
BOLL ANDREW R.· PRESIDENT AND CFO
4K shares@ $29.90May 14
BAUM MARK L· CHIEF EXECUTIVE OFFICER
10K shares@ $30.20May 14

90-day price · green dots = insider buys

May 14May 18

16K total shares

IPM4 insiders buying

INTELLIGENT PROTECTION MANAGEMENT CORP.

$33K

total value

SLOANE BARRY
5K shares@ $1.95May 21
Katz Jason· Chief Executive Officer
10K shares@ $1.97May 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.

$270K

total value

Stuka Paul
20K shares@ $0.8750May 27
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 27

236K total shares

TONX4 insiders buying

TON Strategy Co

$111K

total value

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

May 14May 15

31K total shares

ACON3 insiders buying

Aclarion, Inc.

$46K

total value

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

$139K

total value

Cozzone Robert D· President & CEO
2K shares@ $18.80May 29
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

May 8May 29

7K total shares

BLNE3 insiders buying

Beeline Holdings, Inc.

$74K

total value

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

HCWB3 insiders buying

HCW Biologics Inc.

$430K

total value

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

May 22May 22

306K total shares

WSBK3 insiders buying

Winchester Bancorp, Inc./MD/

$15K

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

May 5May 26

1K 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

Award
MRAI· Johnson Steve Andrew

Chief Financial Officer

1K shares

@ $0.62

$682

Jun 2

Sell
LARK· ALEXANDER PATRICK L

Director

700 shares

@ $28.5

$20K

Jun 2

Award
HPK· Fulgham Sharon F.

Director

19K shares

@ $0

$0

Jun 2

Award
CERS· NACHTSHEIM JAMI K

10% Owner

60K shares

@ $0

$0

Jun 2

Option
ONDS· Brock Eric A

Chairman, CEO and President

2.4M shares

@ $13.43

$31.9M

Jun 2

Award
HPK· Chernosky Jay M.

Director

19K shares

@ $0

$0

Jun 2

Sell
CVKD· Pham Quang X

CEO and Chairman

349 shares

@ $4.46

$2K

Jun 2

Award
HPK· OLDHAM LARRY

Director

19K shares

@ $0

$0

Jun 2

Award
HPK· Edgeworth Jason A.

Director

19K shares

@ $0

$0

Jun 2

Award
CERS· Shan Hua

10% Owner

60K shares

@ $0

$0

Jun 2

Award
CERS· Gregory Dean A.

10% Owner

60K shares

@ $0

$0

Jun 2

Award
CERS· Witney Frank

10% Owner

60K shares

@ $0

$0

Jun 2

Award
HPK· COVINGTON KEITH

Director

19K shares

@ $0

$0

Jun 2

Award
CERS· Lucena Ann

10% Owner

60K shares

@ $0

$0

Jun 2

Award
CERS· BJERKHOLT ERIC

10% Owner

60K shares

@ $0

$0

Jun 2

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/treasury/yields

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/v1/series/{id}/observations

Coming Soon

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on the roadmap

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