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ABCP · Ambase Corp
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ABCP AmBase (ABCP) Insider Trading, Ownership & Congress Trades

Real Estate · Opeators of nonresidential buildings · CIK 0000020639
Quote by TradingView
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
0
13F, latest reported quarter

AmBase insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

No insider purchases or sales are on record for AmBase Corp in the period covered. Source: SEC Form 4 filings, as of 2026-10-27.

Insider
Filed
Shares
Value
Since filing
Barc Investments LLC
BUY
2024-05-01 SECtraded 2024-04-30
909,691
$191.0K
+23.8%
Context
  • 1 earlier Form 4 trade (code P or S) here by this insider (1 buy), the last on Feb 28, 2024.
  • The trade is 1.5% of the 59,860,151 shares held after it.
  • No other insider bought within 30 days.
Insider activity: Insider Barc Investments LLC bought about $191.0K of ABCP on Apr 30, 2024.
Barc Investments LLC
BUY
2024-03-07 SECtraded 2024-02-28
44,200,460
$8.8M
+19.3%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 73.4% of the 60,200,460 shares held after it.
  • No other insider bought within 30 days.
Insider activity: Insider Barc Investments LLC bought about $8.8M of ABCP on Feb 28, 2024, the largest insider purchase at the company on our record.
Camac Fund, LP
SELL
2024-02-20 SEC
1,102,170
$242.5K
+18.2%
Context
  • 18 earlier Form 4 trades (code P or S) here by this insider (18 sales), the last on Feb 16, 2024.
  • The trade is 26.1% of the 4,227,465 shares held after it.
  • No other insider sold within 30 days.
Insider activity: Insider Camac Fund, LP sold about $242.5K of ABCP on Feb 20, 2024.
Camac Fund, LP
SELL
2024-02-20 SECtraded 2024-02-16
1,693,021
$423.3K
+18.2%
Context
  • 17 earlier Form 4 trades (code P or S) here by this insider (17 sales), the last on Feb 15, 2024.
  • The trade is 31.8% of the 5,329,635 shares held after it.
  • No other insider sold within 30 days.
Insider activity: Insider Camac Fund, LP sold about $423.3K of ABCP on Feb 16, 2024, the largest insider sale at the company on our record.
Camac Fund, LP
SELL
2024-02-20 SECtraded 2024-02-15
383,116
$95.8K
+18.2%
Context
  • 16 earlier Form 4 trades (code P or S) here by this insider (16 sales), the last on Oct 9, 2023.
  • The trade is 5.5% of the 7,022,656 shares held after it.
  • No other insider sold within 30 days.
Insider activity: Insider Camac Fund, LP sold about $95.8K of ABCP on Feb 15, 2024.
21 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
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Seven facts, ranked against the sector · Rank is not a forecast
Insiders
no insider buys or sells on file
Congress
no House purchase disclosed in the last 12 months
Funds
under five funds report holding it
Revenue
no revenue reported in any filing
Margin
no margin: no revenue reported
Buybacks
no share repurchases reported
Short interest
0.1% of the float short (float per yahoo 2026-10-26) · 5.7 days to cover · settled 2026-09-30
below 95% of Real Estate
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch ABCP

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The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-6.8%12M
-51%-32%-13%+6%2025-102025-122026-022026-042026-062026-082026-10
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns ABCP: institutional holders (13F)

13F holdings, latest reported quarter
SEC 13F
No reported 13F holders

No fund above the reporting threshold listed this stock last quarter. That is a fact, not missing data.

Congress trades in ABCP

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

ABCP planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
Each figure here is a federal filing, dated the day it went public, so you can test what was knowable then.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
EQIXBRTACRFPHIRMNYCSPGOPENMDVMDRRAATAXR

ABCP financials

Ratios from the company's XBRL filings, latest filings
Revenue, TTM
n/a
fewer than four consecutive quarters of revenue filed
Net margin, TTM
n/a
needs four consecutive quarters of both revenue and net income
Free cash flow, TTM
n/a
capex not filed for the four quarters
Debt to equity
n/a
equity is zero or negative, the ratio has no meaning
Cash flow to debt
-0.96x
TTM operating cash flow over long-term debt only, 2024-03-31 (27 months older than the period end)
Return on equity
n/a
average equity is zero or negative
Return on assets
-3,281%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
n/a
pre-tax loss, no effective tax rate to apply
Return on capital employed
n/a
assets or current liabilities not filed
P/E, trailing
n/a
fewer than four consecutive quarters of diluted EPS
Enterprise value
$25.5M
market value at close 2026-10-26 on 2026-07-31 shares, plus long-term debt only, 2024-03-31 (27 months older than the period end), minus cash 2026-06-30
FCF yield
n/a
capex not filed for the four quarters
PEG, trailing
n/a
fewer than four consecutive quarters of diluted EPS
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Operating income-$4.3M-$6.5M-$5.0M-$3.4M
Net income-$4.6M-$6.6M-$5.3M-$3.5M
Operating cash flow-$2.3M-$8.9M-$3.5M-$2.7M
Cash$87.0K$314.0K$78.0K$349.0K
Long-term debtn/an/a$3.2M$0
SEC XBRL, fiscal years, as known on 2026-10-27

ABCP Stock Sonar score 2/7 axes

Find similar shapesCompare
Financial health
3
Inputs
  • Debt to equityequity is zero or negative, the ratio has no meaning
  • Cash flow to debt-0.96x · 3 pct, sector of 215
Risk and compliance
95
Inputs
  • Short interest, % of float+0.1% · 95 pct, sector of 256
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-Kneeds two 10-Ks with a Risk Factors section (not 20-F filers or stubs)
5 not measured: Profitability, Growth, Insider conviction, Institutional and government, US patents
  • Profitability needs 2 of 4 inputs, 1 present: assets or current liabilities not filed; average equity is zero or negative; pre-tax loss, no effective tax rate to apply
  • Growth needs 1 of 2 inputs, 0 present: no backlog line filed, or no year-earlier backlog; no revenue for this year and the year before
  • Insider conviction needs 1 of 2 inputs, 0 present: no Form 4 purchase or sale (code P or S) in 180 days; no insider trades in 180 days
  • Institutional and government needs 1 of 4 inputs, 0 present: fewer than five funds report holding it; no Congress trades in 365 days; no federal contracts in 180 days; no lobbying filings in the last four quarters
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

2 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

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