SpaceX~$1TSpaceX~$1T
Insider Buying
Subscribe
All stock lists
BBTX

Bambusa Therapeutics, Inc. (NASDAQ:BBTX)

US · Delayed Price · Currency is USD
Healthcare · Biotechnology
16.00+1.01 (+6.74%)
 
Market cap
$796M
Insider Score
Listed since
Oct 30, 2026
Market Cap796.19M+6.7%
Revenue (ttm)n/a
Net Incomen/a
EPSn/a
Shares Out49.76M
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume433,193
Open14.97
Previous Close14.99
Day's Range14.82 - 16.06
52-Week Range13.60 - 16.06
Betan/a
Analystsn/a
Price Targetn/a
Earnings Daten/a
Insider Score
84/ 100
BBTX Insider Score
Bullish

1 qualifying trade · 1 insider · $12.00M bought in the last 90 days

About BBTX

Bambusa Therapeutics, Inc. operates as a clinical-stage biopharmaceutical company. It engages in developing a portfolio of next-generation, multi-targeting medicines designed to transform patient care across chronic immunology and inflammation diseases. The company was founded by Shan Shan Xu, Thang Ho, and Helmut Jeggle on March 14, 2024 and is headquartered in Boston, MA.

Address
22 Boston Wharf Road, Boston, MA, 02210, US
Market Cap
796 million
Employees
26
Industrial Classification
Biotechnology

What Are Insiders Doing?

Open-market buy / sell balanceNet Buying
Sold
$0
Bought
$12.00M

View the trades behind this meter — each links to its SEC Form 4 →

Open-market Form 4 purchases (code P) vs sales (code S) on file for this company. Grants, option exercises and tax withholdings are excluded. Informational only.

Ask Barron about BBTX

1 Day
+6.74%
5 Days
+7.53%
1 Month
+6.74%
6 Months
+6.74%
1 Year
+6.74%

$BBTX stock is featured in our Insider Score Rankings, and Insider Trades datasets.

→ All Stock Lists

Recently reported changes in BBTX holdings by institutional investors

Scanning latest 13F filings…

Latest 0 13F filings · Source: SEC EDGAR

View all institutional owners →

Insider Trading

Quarterly net insider trading by BBTX's directors and management

Net Shares Purchased by Insiders−800k−400k02025Q42026Q12026Q22026Q32026Q4

Source: SEC EDGAR (Form 4)

Corporate Lobbying

BBTX Estimated quarterly lobbying spending

Source: U.S. Senate LDA

U.S. Patents

New BBTX patent grants

Loading patent grants…

Source: USPTO Open Data Portal

Government Contracts

Estimated quarterly amount awarded to BBTX from public contracts

Source: USAspending.gov

BBTX Insider Score

Our composite score: insider buying, sector, volume, tone & dilution

84
Strong
Data completeness: 77%

Bull Case vs Bear Case

AI-generated from BBTX’s recent data — informational, not investment advice

Generating analysis…

Insider Score

Our 0–100 Insider Score and the signals behind it.

84/ 100
Insider Activity
Open-market Form 4 buying
Positive
Transaction Size
Purchase $ vs. market cap
Strong
Insider Ownership
Stake increase by buyers
Neutral
Buyer Cluster
Multiple insiders buying together
Positive
Track Record
Past insider-buy performance
Positive
Market Timing
Timing vs. recent price trend
Neutral

Biotech: ranks #14 of 97 scored Biotech stocks · sector average 59.5

What’s Behind the Score

Insider Activity
100% of score
83.71
Analyst Ratings
No data yet
—
News & Sentiment
No data yet
—

Recent Insider Activity

Buys
2
Sells
0
Buy Value
$12.00M
Distinct Buyers
2

Frequently Asked Questions

Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.