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Stocks › AMBFX

AMBFX

AMBFX·USD
$40.04
+0.20 (+0.50%)
Close · Oct 5, 2026 · Close Prices from Tiingo.com
AMBFX
AMBFX
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
AMBFXS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair

Congressional Trades

Recent trades of AMBFX by members of U.S. Congress · 0 on record

No congressional trades in AMBFX on record.

Whale Activity

Institutional 13F positions

No 13F positions in AMBFX among the institutional filers we track.

KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.

Insider Trading

Net shares bought (+) or sold (−) on the open market by AMBFX insiders, by quarter · Form 4

No open-market insider buys or sells in the last two years.

Recent Insider Transactions

0 transactions on record · newest first
All insider activity →

No insider transactions on record.

Fund Holders

Mutual funds and ETFs holding AMBFX · SEC Form N-PORT

Funds report their holdings by CUSIP, and AMBFX could not be matched to one, so no fund holdings are shown.

Activist & Passive Stakes

Schedule 13D / 13G beneficial-ownership filings

No 13D/13G beneficial-ownership filings on record.

Corporate Lobbying

Estimated quarterly lobbying spending reported under the LDA, filings naming AMBFX as client

No lobbying filings found naming AMBFX as the client.

Government Contracts

Federal awards to AMBFX · USAspending

No federal contract awards found for AMBFX.

U.S. Patents

Recent USPTO applications naming AMBFX

No USPTO patent applications found for AMBFX.

Annual Financials

From AMBFX's 10-K filings · XBRL

No annual XBRL figures on record for AMBFX. KeyVex's fundamentals cover about 130 large companies so far.

Stock Splits

Every split and reverse split in the price history

No stock splits in AMBFX's price history.

Material Events (8-K)

Corporate events filed with the SEC

No 8-K filings on record.

About AMBFX

From SEC EDGAR company records

No company profile on record.