ABCP · AmBase Corp · Insider Trading
Substantial doubt about the company's ability to continue as a going concern.
“Based on the above factors, management determined there is substantial doubt about the Company's ability to continue as a going concern within one year after the date that the financial statements are issued.”View the 10-Q filed Aug 12, 2026
Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2024-04-30 | Barc Investments LLC |
10% Owner |
Buy↑
Filing footnotes — Common Stock, par value $0.01 (Direct)
On April 30, 2024, the reporting person completed the purchase of 909,691 shares of common stock from a single institutional investor in an unsolicited private transaction. |
Common Stock, par value $0.01
|
909,691 |
| 2024-02-28 | Barc Investments LLC |
10% Owner |
Buy↑
Filing footnotes — Common Stock, par value $0.01 (Direct)
On February 28, 2024, the reporting person entered into a Standby Purchase Agreement with AmBase Corporation (the "Company"), pursuant to which the reporting agreement irrevocably committed to purchase up to 44,200,460 shares of the Company's common stock in a private placement (the "Offering"), subject to reduction based upon the exercise of purchase rights by other stockholders of the Company in the Offering. The Offering is expected to close on or about April 7, 2024, at which time the exact number of shares to be purchased by the reporting person will be determined. |
Common Stock, par value $0.01
|
44,200,460 |
| 2024-02-20 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
1,102,170 |
| 2024-02-16 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
1,693,021 |
| 2024-02-15 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
383,116 |
| 2023-10-09 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
50,000 |
| 2023-09-22 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
70,000 |
| 2023-09-08 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
50,000 |
| 2023-08-25 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
100,000 |
| 2023-08-01 | BIANCO RICHARD A |
Director, CEO |
Gift↓
Filing footnotes — Common stock (Direct)
On August 1, 2023, the reporting person gifted 700,000 shares to a Uniform Gift to Minors Act Account for the benefit of his grandchildren. The reporting person retains voting control of the shares. Pursuant to Rule 13d-4, the reporting person disclaims beneficial ownership of the transferred shares to the extent he does not have a pecuniary interest in such shares. |
Common stock
|
700,000 |
| 2023-08-01 | BIANCO RICHARD A |
Director, CEO |
Gift↑
Filing footnotes — Common stock (Indirect)
On August 1, 2023, the reporting person gifted 700,000 shares to a Uniform Gift to Minors Act Account for the benefit of his grandchildren. The reporting person retains voting control of the shares. Pursuant to Rule 13d-4, the reporting person disclaims beneficial ownership of the transferred shares to the extent he does not have a pecuniary interest in such shares. Includes 1,420,000 shares held in a Uniform Gift to Minors Act Account for the benefit of the reporting person grandchildren. The reporting person retains voting control of the shares, but pursuant to Rule 13d-4, he disclaims beneficial ownership of the shares to the extent he does not have a pecuniary interest in such shares. |
Common stock
(I)
|
700,000 |
| 2023-06-27 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
202,500 |
| 2023-06-14 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
12,000 |
| 2023-06-12 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
100,000 |
| 2023-06-07 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
15,000 |
| 2023-05-26 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
1,000,000 |
| 2023-05-26 | BIANCO RICHARD A |
Director, CEO |
Buy↑
Filing footnotes — Common stock (Direct)
Includes 720,000 shares held in an Uniform Gifts to Minors Act account for the benefit of his grandchildren. Mr. R.A. Bianco retains voting control of the shares, but pursuant to Rule 13d-4, he disclaims beneficial ownership of the shares to the extent he does not have a pecuniary interest in such shares. |
Common stock
|
745,000 |
| 2023-05-24 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
12,000 |
| 2023-05-09 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
20,000 |
| 2023-05-08 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
10,000 |
| 2023-01-27 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
50,000 |
| 2022-12-27 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
5,000 |
| 2022-12-23 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
80,000 |
| 2022-04-11 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
100,000 |
| 2021-06-17 | BIANCO RICHARD A |
Director, CEO |
Gift↓
Filing footnotes — Common Stock (Direct)
On June 17, 2021, the reporting person gifted 720,000 shares to a Uniform Gifts to Minors Act Account for the benefit of his grandchildren. The reporting person retains voting control of the transferred shares. Pursuant to Rule 13d-4, the reporting person disclaims beneficial ownership of the transferred shares to the extent he does not have a pecuniary interest in such shares. |
Common Stock
|
720,000 |
| 2021-06-17 | BIANCO RICHARD A |
Director, CEO |
Gift↑
Filing footnotes — Common Stock (Indirect)
On June 17, 2021, the reporting person gifted 720,000 shares to a Uniform Gifts to Minors Act Account for the benefit of his grandchildren. The reporting person retains voting control of the transferred shares. Pursuant to Rule 13d-4, the reporting person disclaims beneficial ownership of the transferred shares to the extent he does not have a pecuniary interest in such shares. |
Common Stock
(I)
|
720,000 |
| 2021-01-05 | Camac Fund, LP |
10% Owner |
Sell↓
|
Common Stock
|
606,060 |
| 2020-05-20 | Carnegie Jerry Y |
Director |
Buy↑
|
Common Stock
|
71,898 |
| 2020-05-20 | BIANCO RICHARD A |
Director, CEO |
Buy↑
|
Common Stock
|
100,000 |