Form 4 holding
Chief Financial Officer
Greenland Mines Ltd
- Security class
- Common Stock
- Shares / value
- 4,820,342
- Estimated value
- $844,523
- Report date
- 16 Jul 2026
- Price
- $0.1752
- Ownership
- Direct
Jeff LeBlanc
Insider Reports History
- Reporting-owner location
- Cambridge, MA
- Latest reporting-owner signature
-
Jeffrey Brian LeBlanc
Source: Latest parsed Forms 3/4/5 signature
- Transaction source note
- Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.
Identity
Names, identifiers, and filing context for this profile.
1 identity field
SEC source record
Original filing metadata and source links for verification.
1 source field
Source evidence
Original filing metadata and source links for verification.
1 source field
Reported holdings for Jeff LeBlanc
Form 4 holding
10%+ Owner
WinVest Acquisition Corp.
- Security class
- Common Stock
- Shares / value
- 2,537,424
- Estimated value
- $25,374
- Report date
- 22 Dec 2023
- Price
- $0.0100
- Ownership
- Indirect
Form 4 holding
10%+ Owner
WinVest Acquisition Corp.
- Security class
- Common Stock
- Shares / value
- 28,000
- Estimated value
- $280
- Report date
- 22 Dec 2023
- Price
- $0.0100
- Ownership
- Direct
Form 4 holding
Director
Cactus Acquisition Corp. 1 Ltd
- Security class
- Class A ordinary shares
- Shares / value
- 135,000
- Estimated value
- Report date
- 29 Jul 2024
- Price
- Ownership
- Direct
Form 4 holding
Director
Cactus Acquisition Corp. 1 Ltd
- Security class
- Class A ordinary share
- Shares / value
- 35,000
- Estimated value
- Report date
- 16 May 2024
- Price
- Ownership
- Direct
Insider Reports Filed by Jeff LeBlanc
4
GRML
Greenland Mines Ltd
- Report period
- 16 Jul 2026
- Transactions
- 1
- Transaction value
- +$245,280
- Accepted by SEC
- 17 Jul 2026, 11:12
- Role
- Chief Financial Officer
- Next action
- Open filing details
4
KLTO
Klotho Neurosciences, Inc.
- Report period
- 04 Mar 2026
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 06 Mar 2026, 16:12
- Role
- Chief Financial Officer
- Next action
- Open filing details
4
KLTO
Klotho Neurosciences, Inc.
- Report period
- 25 Aug 2025
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 26 Aug 2025, 15:09
- Role
- Chief Financial Officer
- Next action
- Open filing details
4
KLTO
Klotho Neurosciences, Inc.
- Report period
- 05 Aug 2025
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 08 Aug 2025, 06:00
- Role
- Chief Financial Officer
- Next action
- Open filing details
4
CCTSF
Cactus Acquisition Corp. 1 Ltd
- Report period
- 29 Jul 2024
- Transactions
- 1
- Transaction value
- +$50,000
- Accepted by SEC
- 01 Aug 2024, 16:06
- Role
- Director
- Next action
- Open filing details
3
CCTSF
Cactus Acquisition Corp. 1 Ltd
- Report period
- 16 May 2024
- Transactions
- 0
- Transaction value
- $0
- Accepted by SEC
- 22 May 2024, 16:06
- Role
- Director
- Next action
- Open filing details
4
WINV
WinVest Acquisition Corp.
- Report period
- 22 Dec 2023
- Transactions
- 1
- Transaction value
- +$280
- Accepted by SEC
- 26 Dec 2023, 16:05
- Role
- 10%+ Owner
- Next action
- Open filing details
3
WINV
WinVest Acquisition Corp.
- Report period
- 14 Sep 2021
- Transactions
- 0
- Transaction value
- $0
- Accepted by SEC
- 14 Sep 2021, 15:42
- Role
- 10%+ Owner
- Next action
- Open filing details