Inhibrx Biosciences, Inc.

Inhibrx Biosciences, Inc.

INBX·NASDAQ

$95.22

+1.7%
HealthcareBiotechnology

Inhibrx Biosciences, Inc., a clinical-stage biopharmaceutical company, engages in the development of biologic therapeutics for people with life-threatening conditions. Its therapeutic candidates includes INBRX-109, a tetravalent therapeutic candidate targeting death-receptor 5 that is in phase 2 clinical trial for the treatment of unresectable or metastatic conventional chondrosarcoma; and INBRX-106, a hexavalent sdAb-based therapeutic candidate targeting OX4 that is in phase 2 clinical trial for the treatment of metastatic solid tumor, non-small cell lung cancer, melanoma, head and neck cancer, gastric (GIST) and gastroesophageal adenocarcinoma (GEA) cancer, renal cell carcinoma, and urothelial (transitional) cell carcinoma. The company was incorporated in 2024 and is based in La Jolla, California.

At a Glance

Live Snapshot
Market Cap$1.40B
EPS-9.0400
P/E Ratio-10.53
Earnings Date08/12/2026
-117.41%
Return on Invested Capital
-50%
3Y+141.0%
5Y+98.0%
10Y+205.0%
-1752.22%
Return on Equity
-239%
3Y+600.0%
5Y+1648.0%
10Y-2059.0%
-95.62%
Return on Assets
-110%
3Y+92.0%
5Y+82.0%
10Y+146.0%
Inhibrx Biosciences, Inc.

Inhibrx Biosciences, Inc. Management Team

INBX · NASDAQ
DC

Dr. Carlos Bais Ph.D.

EVice President & Chief Scientific Officer

DJ

Dr. Josep Garcia Ph.D.

Executive Vice President & Chief Clinical Development Officer

DA

Dr. Ashraf Amanullah Ph.D.

Executive Vice President & Chief Technical Operations Officer

Born 1968(Age 58)
MK

Ms. Kelly Devine Deck B.S., CPA, M.S.

Executive Vice President, Chief Financial Officer & Treasurer

Compensation

$2,190,588

Born 1980(Age 46)
female
MM

Mr. Mark Paul Lappe

Founder, Chief Executive Officer & Chairman

Compensation

$1,130,194

Born 1967(Age 59)
male
MD

Mr. David J. Matly M.B.A.

President and Chief Commercial & Business Development Officer

Born 1986(Age 40)
male
MB

Ms. Bonne Adams M.B.A.

Vice President of Operations

Born 1977(Age 49)
female
ML

Ms. Leah Pollema J.D.

Vice President, General Counsel & Corporate Secretary

female
inbx

Inhibrx Biosciences, Inc. Insider Positioning

INBX · NASDAQ

During the last 12 months, insiders have sold $9.95M worth of INBX shares, with no buying activity reported.

3 Months

Bought

0

0.00

Sold

0

0.00

Net Activity

+0

+$0

3-6 Months

Bought

0

0.00

Sold

0

0.00

Net Activity

+0

+$0

6-9 Months

Bought

0

0.00

Sold

308.6K

9.95M

Net Activity

-10.0M

-$9.95M

9-12 Months

Bought

0

0.00

Sold

0

0.00

Net Activity

+0

+$0

Top Buyers

No buying activity

Top Sellers

1
VGIL

Viking Global Investors Lp

10 Percent Owner

308.6K shares1 transactions

$9.95M

Insider Activity Analysis

Net Insider Sentiment

Bearish

Strong bearish signal with $9.95M net selling. Heavy insider selling may indicate concerns about valuation or near-term prospects.

Buy/Sell Ratio

0.00:1

Very poor ratio. Heavy selling with minimal buying suggests insiders may be concerned about valuation or outlook.

Insider Participation

High Selling

1 insider sellers vs. 0 buyers. Widespread selling across multiple insiders may signal concerns.

SEC Filings

INBX - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
DEF 14A

DEF 14A 2025

N/A

April 23, 2026
December 31, 2025
2025
DEF 14A

DEF 14A 2024

N/A

April 16, 2025
December 31, 2024
2024
Showing 1 to 2 of 2 filings