AmBase Corp (ABCP)

Latest Insider Confidence Score

2025Q4

50.0
Bullish

Company insider confidence (by quarter)

2004Q1 2025Q4

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Barc Investments LLC 10% Owner 59,860,151 May 1, 2024
Bianco Richard A Jr — 16,000,000 Jun 30, 2016
Bianco Alessandra F — 16,000,000 Aug 31, 2012
Bianco Christina A — 5,333,333 Mar 26, 2009
Camac Fund, LP 10% Owner 4,227,465 Feb 20, 2024

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Apr 30, 2024 May 1, 2024 Barc Investments LLC 10% Owner Buy 82.5 +909,691 1.54% ✗ $191K
May 1, 2024 Carnegie Jerry Y Director Neutral 52.5 - 0.00% ✗ -
Feb 28, 2024 Mar 7, 2024 Barc Investments LLC 10% Owner Buy 100.0 +44,200,460 276.25% ✗ $8.8M
Feb 15, 2024 Feb 20, 2024 Camac Fund, LP 10% Owner Sell 20.0 -3,178,307 -42.92% ✗ $754.5K
Oct 9, 2023 Oct 11, 2023 Camac Fund, LP 10% Owner Sell 37.5 -50,000 -0.67% ✗ $7.5K
Sep 22, 2023 Sep 26, 2023 Camac Fund, LP 10% Owner Sell 36.3 -70,000 -0.93% ✗ $10.9K
Sep 8, 2023 Sep 12, 2023 Camac Fund, LP 10% Owner Sell 37.5 -50,000 -0.66% ✗ $7.5K
Aug 25, 2023 Aug 29, 2023 Camac Fund, LP 10% Owner Sell 26.3 -100,000 -1.30% ✗ $15K
Aug 1, 2023 Aug 3, 2023 BIANCO RICHARD A CEO Neutral 52.5 - 0.00% ✗ -
Jun 27, 2023 Jun 29, 2023 Camac Fund, LP 10% Owner Sell 26.3 -202,500 -2.57% ✗ $30.4K
Jun 12, 2023 Jun 14, 2023 Camac Fund, LP 10% Owner Sell 26.3 -112,000 -1.40% ✗ $16.8K
Jun 7, 2023 Jun 9, 2023 Camac Fund, LP 10% Owner Sell 27.5 -15,000 -65.24% ✗ $2.3K
Jun 2, 2023 Schmidt Kenneth M Director Neutral 52.5 - 0.00% ✗ -
May 26, 2023 May 30, 2023 BIANCO RICHARD A CEO Buy 100.0 +745,000 84.90% ✗ $55.5B
May 24, 2023 May 26, 2023 Camac Fund, LP 10% Owner Sell 22.5 -1,012,000 -11.22% ✗ $101.2K
May 8, 2023 May 10, 2023 Camac Fund, LP 10% Owner Sell 45.0 -30,000 -0.33% ✗ $3K
Jan 27, 2023 Jan 30, 2023 Camac Fund, LP 10% Owner Sell 37.5 -50,000 -0.55% ✗ $5K
Jan 20, 2023 Salant Scott Michael Director Neutral 52.5 - 0.00% ✗ -
Dec 27, 2022 Dec 29, 2022 Camac Fund, LP 10% Owner Sell 52.5 -5,000 -0.05% ✗ $500
Dec 23, 2022 Dec 27, 2022 Camac Fund, LP 10% Owner Sell 37.5 -80,000 -0.87% ✗ $8.8K
Apr 11, 2022 Apr 12, 2022 Camac Fund, LP 10% Owner Sell 26.3 -100,000 -1.08% ✗ $36K
Jun 17, 2021 Feb 9, 2022 BIANCO RICHARD A CEO Neutral 27.5 -562,453 -64.09% ✗ -
Jan 5, 2021 Jan 5, 2021 Camac Fund, LP 10% Owner Sell 22.5 -606,060 -6.12% ✗ $200K
May 20, 2020 May 22, 2020 BIANCO RICHARD A CEO Buy 91.3 +100,000 12.86% ✗ $18K
May 20, 2020 May 22, 2020 Carnegie Jerry Y Director Buy 91.3 +71,898 100.00% ✗ $12.9K
Jan 9, 2020 Camac Fund, LP 10% Owner Neutral 52.5 - 0.00% ✗ -
Dec 30, 2019 Jan 2, 2020 ISZO CAPITAL MANAGEMENT LP 10% Owner Sell 17.5 -9,896,969 -100.00% ✗ $1.6M
Jun 3, 2019 Jun 5, 2019 ISZO CAPITAL MANAGEMENT LP 10% Owner Sell 22.5 -267,100 -2.63% ✗ $99.3K
Sep 18, 2018 Sep 20, 2018 ISZO CAPITAL MANAGEMENT LP 10% Owner Sell 22.5 -158,416 -1.53% ✗ $84.8K
Sep 7, 2018 Sep 20, 2018 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 82.5 +219,534 2.17% ✗ $114.4K
Apr 30, 2018 Sep 20, 2018 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 87.5 +407,000 4.20% ✗ $196.1K
Sep 7, 2018 Sep 11, 2018 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 82.5 +219,534 2.18% ✗ $114.4K
Apr 30, 2018 May 3, 2018 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 87.5 +397,000 4.09% ✗ $190.9K
Apr 30, 2018 May 2, 2018 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 97.5 +1,121,500 11.57% ✗ $538.2K
Dec 21, 2017 Dec 26, 2017 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 87.5 +450,000 4.87% ✗ $126K
Dec 4, 2017 Dec 6, 2017 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 78.8 +145,000 1.59% ✗ $38.4K
Nov 27, 2017 Nov 29, 2017 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 87.5 +425,000 4.90% ✗ $106.3K
Oct 11, 2017 Nov 14, 2017 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 95.0 +833,166 10.62% ✗ $236.7K
Dec 9, 2016 Dec 12, 2016 Bianco Joseph R Treasurer Buy 90.0 +7,000 16.28% ✗ $6.1K
Dec 7, 2016 Dec 8, 2016 Bianco Joseph R Treasurer Buy 90.0 +10,000 30.30% ✗ $8.6K
Jun 30, 2016 Bianco Richard A Jr Director Neutral 52.5 - 0.00% ✗ -
Jun 30, 2016 Carnegie Jerry Y Director Neutral 52.5 - 0.00% ✗ -
Feb 29, 2016 Mar 2, 2016 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 56.3 +13,800 0.18% ✗ $24.8K
Feb 24, 2016 Feb 26, 2016 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 65.0 +35,000 0.45% ✗ $68.3K
Feb 17, 2016 Feb 19, 2016 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 65.0 +32,000 0.41% ✗ $60.8K
Jan 13, 2016 Jan 15, 2016 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 72.5 +45,353 0.59% ✗ $98.9K
Dec 23, 2015 Dec 28, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 82.5 +95,600 1.26% ✗ $214.2K
Dec 4, 2015 Dec 8, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 65.0 +63,100 0.28% ✗ $142K
Nov 13, 2015 Nov 20, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 72.5 +50,000 0.67% ✗ $112.5K
Nov 13, 2015 Nov 17, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 47.5 +50 0.00% ✗ $112.5
Nov 9, 2015 Nov 12, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 90.0 +212,813 2.91% ✗ $480.6K
Sep 28, 2015 Sep 30, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 72.5 +40,000 0.55% ✗ $96K
Aug 26, 2015 Aug 28, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 85.0 +162,500 2.29% ✗ $406.3K
Aug 14, 2015 Aug 18, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 85.0 +103,900 1.49% ✗ $259.8K
Aug 10, 2015 Aug 12, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 82.5 +83,150 1.20% ✗ $207.9K
Jul 30, 2015 Aug 3, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 72.5 +67,341 0.98% ✗ $168.4K
Jul 23, 2015 Jul 27, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 56.3 +6,600 0.10% ✗ $16.8K
Jul 21, 2015 Jul 23, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 82.5 +78,400 1.16% ✗ $198.1K
Jul 16, 2015 Jul 21, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 72.5 +33,804 0.50% ✗ $86.2K
Jul 14, 2015 Jul 16, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 72.5 +40,000 0.60% ✗ $104K
Jul 8, 2015 Jul 10, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 95.0 +540,000 8.79% ✗ $1.4M
Jul 1, 2015 Jul 6, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 90.0 +185,300 3.11% ✗ $465.1K
Jun 25, 2015 Jun 29, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Buy 100.0 +1,377,475 13.08% ✗ $3.4M
Jun 29, 2015 ISZO CAPITAL MANAGEMENT LP 10% Owner Neutral 52.5 - 0.00% ✗ -
Oct 16, 2014 Oct 17, 2014 BIANCO RICHARD A CEO Buy 90.0 +41,511 5.64% ✗ $51.1K
Jun 13, 2014 Jun 17, 2014 Schmidt Kenneth M Director Buy 90.0 +4,794 15.22% ✗ $6.5K
Jun 11, 2014 Jun 13, 2014 Schmidt Kenneth M Director Buy 90.0 +5,206 52.06% ✗ $7.1K
Jan 24, 2014 Jan 28, 2014 FERRARA JOHN CFO Sell 22.5 -205,000 -85.05% ✗ $239.6K
Jul 24, 2013 Jul 25, 2013 Schmidt Kenneth M Director Buy 91.3 +10,000 100.00% ✗ $11K
May 10, 2013 May 20, 2013 BIANCO RICHARD A CEO Buy 60.0 +2,000 0.26% ✗ $2.4K
Apr 9, 2013 Apr 10, 2013 Bianco Joseph R Treasurer Sell 26.3 -20,000 -37.74% ✗ $25.2K
Apr 8, 2013 Apr 9, 2013 Bianco Joseph R Treasurer Sell 27.5 -2,000 -3.64% ✗ $2.5K
Apr 5, 2013 Apr 8, 2013 Bianco Joseph R Treasurer Sell 22.5 -40,000 -42.11% ✗ $50.4K
Apr 4, 2013 Apr 4, 2013 Bianco Joseph R Treasurer Sell 22.5 -45,000 -32.14% ✗ $56.7K
Mar 18, 2013 Schmidt Kenneth M Director Neutral 52.5 - 0.00% ✗ -
Mar 18, 2013 Horton Theodore T Jr Director Neutral 52.5 - 0.00% ✗ -
Sep 18, 2012 Sep 18, 2012 FERRARA JOHN CFO Neutral 52.5 - 0.00% ✗ -
Sep 18, 2012 Sep 18, 2012 BIANCO RICHARD A CEO Neutral 52.5 - 0.00% ✗ -
Sep 18, 2012 Sep 18, 2012 Bianco Joseph R TREASURER Neutral 52.5 - 0.00% ✗ -
Sep 18, 2012 Sep 18, 2012 FERRARA JOHN CFO Neutral 52.5 - 0.00% ✗ -
Aug 31, 2012 Bianco Alessandra F Director Neutral 52.5 - 0.00% ✗ -
Dec 30, 2011 Jan 4, 2012 Bianco Joseph R Treasurer Neutral 52.5 - 0.00% ✗ -
Dec 30, 2011 Jan 4, 2012 FERRARA JOHN CFO Neutral 52.5 - 0.00% ✗ -
Jun 26, 2009 Jul 31, 2009 Trani Salvatore Director Neutral 52.5 - 0.00% ✗ -
Jul 2, 2009 Jul 6, 2009 Trani Salvatore Director Buy 90.0 +10,000 39.22% ✗ $1K
Jun 26, 2009 Jul 1, 2009 Trani Salvatore Director Buy 77.5 +500 2.00% ✗ $50
Mar 26, 2009 Barc Investments LLC 10% Owner Neutral 52.5 - 0.00% ✗ -
Mar 26, 2009 Bianco Alessandra F 10% Owner Neutral 52.5 - 0.00% ✗ -
Mar 26, 2009 Bianco Christina A 10% Owner Neutral 52.5 - 0.00% ✗ -
Mar 26, 2009 Bianco Richard A Jr 10% Owner Neutral 52.5 - 0.00% ✗ -
Mar 16, 2009 Mar 18, 2009 BIANCO RICHARD A CEO Sell 17.5 -16,000,000 -97.71% ✗ $1.2M
Jan 26, 2009 Carnegie Jerry Y Director Neutral 52.5 - 0.00% ✗ -
Dec 9, 2008 Dec 10, 2008 BIANCO RICHARD A CEO Buy 47.5 +5,016 0.03% ✗ $1.1K
Dec 4, 2008 Dec 5, 2008 BIANCO RICHARD A CEO Buy 60.0 +35,000 0.21% ✗ $7.7K
Oct 15, 2008 Oct 16, 2008 BIANCO RICHARD A CEO Buy 47.5 +8,000 0.05% ✗ $2.2K
Jun 6, 2008 Jun 9, 2008 Halpern Philip M Director Buy 90.0 +10,000 100.00% ✗ $4.5K
Apr 7, 2008 Apr 8, 2008 Trani Salvatore Director Neutral 90.0 +10,000 66.67% ✗ -
Mar 20, 2008 Bianco Joseph R Treasurer Neutral 52.5 - 0.00% ✗ -
Aug 17, 2007 Aug 21, 2007 Trani Salvatore Director Buy 90.0 +5,000 50.00% ✗ $2K
Jul 30, 2007 Jul 31, 2007 BIANCO RICHARD A CEO Buy 55.0 +10,000 0.06% ✗ $4.7K