John Kostoyannis
Director/Board Member at STEALTHGAS INC.
Net worth: 62 613 $ as of 2024-04-29
Profile
Mr. John G.
Kostoyannis is an Independent Non-Executive Director at C3is, Inc., an Independent Director at Imperial Petroleum, Inc., an Independent Director at StealthGas, Inc., a Managing Director & Director at Allied Shipbrokinc, Inc. and a Member at Hellenic Shipbrokers Association.
He is on the Board of Directors at C3is, Inc., Imperial Petroleum, Inc., StealthGas, Inc. and Allied Shipbrokinc, Inc. He received his undergraduate degree from London Guildhall University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
IMPERIAL PETROLEUM, INC.
0.06% | 2024-03-31 | 16,469 ( 0.06% ) | 56 983 $ | 2024-04-29 |
| 2024-03-31 | 235 ( 0.03% ) | 5 614 $ | 2024-04-29 | |
C3IS INC.
0.00% | 2024-04-25 | 12 ( 0.00% ) | 16 $ | 2024-04-29 |
John Kostoyannis active positions
| Companies | Position | Start |
|---|---|---|
| STEALTHGAS INC. | Director/Board Member | 2010-09-30 |
| IMPERIAL PETROLEUM INC. | Director/Board Member | 2021-10-31 |
| C3IS INC. | Director/Board Member | 2023-05-31 |
Allied Shipbrokinc, Inc.
 Allied Shipbrokinc, Inc. Marine ShippingTransportation Allied Shipbrokinc, Inc. is a shipbroking private company based in Attica, Greece. The Greek company was established on August 8th, 1988 by a partnership of experienced shipbrokers. Allied specializes in shipbroking services. John G. Kostoyannis has been the CEO of the company since 1991. | Chief Executive Officer | 1990-12-31 |
| Hellenic Shipbrokers Association | Corporate Officer/Principal | - |
Training of John Kostoyannis
| London Guildhall University | Undergraduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 3 |
|---|---|
| STEALTHGAS INC. | Transportation |
| IMPERIAL PETROLEUM INC. | Transportation |
| C3IS INC. | Transportation |
| Private companies | 2 |
|---|---|
Allied Shipbrokinc, Inc.
Allied Shipbrokinc, Inc. Marine ShippingTransportation Allied Shipbrokinc, Inc. is a shipbroking private company based in Attica, Greece. The Greek company was established on August 8th, 1988 by a partnership of experienced shipbrokers. Allied specializes in shipbroking services. John G. Kostoyannis has been the CEO of the company since 1991. | Transportation |
| Hellenic Shipbrokers Association |
- Stock Market
- Insiders
- John Kostoyannis
