NBP Insider Trading

Insider Ownership Percentage: 22.10%
Insider Buying (Last 12 Months): $577,300.00
Insider Selling (Last 12 Months): $111,688.94

I-Mab Insider Trading History Chart

This chart shows the insider buying and selling history at I-Mab by year and by quarter.

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I-Mab Share Price & Price History

Current Price: $1.22
Price Change: ▼ Price Decrease of -0.155 (-11.31%)
As of 10/26/2026 04:00 PM ET

This chart shows the closing price history over time for NBP up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

I-Mab Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
9/18/2026Phillip Andrew DennisInsiderSell8,209$0.71$5,828.39173,427View SEC Filing Icon  
9/9/2026Sean Wuxiong CaoInsiderSell107,978$0.74$79,903.72266,467View SEC Filing Icon  
8/31/2026Cong Claire XuEVPSell3,282$0.79$2,592.78304,201View SEC Filing Icon  
7/6/2026Cong Claire XuSVPSell4,485$0.89$3,991.65298,101View SEC Filing Icon  
6/18/2026Phillip Andrew DennisInsiderSell8,494$0.66$5,606.04157,941View SEC Filing Icon  
6/1/2026Cong Claire XuSVPSell3,494$3.94$13,766.36290,154View SEC Filing Icon  
4/24/2026Mark Arnold HaglerInsiderBuy230,000$2.51$577,300.00230,000View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for I-Mab (NASDAQ:NBP)

38.38% of I-Mab stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

I-Mab Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/17/2026Taikang Asset Management Hong Kong Co Ltd128,765$0.51M0.1%N/A0.112%Search for SEC Filing on Google Icon
2/12/2026Brooklyn Investment Group12,715$51K0.0%N/A0.011%Search for SEC Filing on Google Icon
Data available starting January 2016

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I-Mab logo
I-Mab, a clinical stage biopharmaceutical company, discovers, develops, and commercializes biologics to treat cancer and autoimmune disorders. It is developing Felzartamab, a CD38 antibody that is in Phase III clinical trials to treat multiple myeloma and autoimmune diseases; Eftansomatropin alfa, a long-acting human growth hormone, which has completed Phase 3 clinical trials to treat pediatric growth hormone deficiency; Lemzoparlimab, a CD47 monoclonal antibody that has completed Phase 1a clinical trials with RBC-sparing differentiation; and Olamkicept, an IL-6 blocker that has completed Phase 2 clinical trials for the treatment of ulcerative colitis and autoimmune. Its product candidates also includes Enoblituzumab, a humanized B7-H3 antibody that is in Phase 2 to treat head and neck cancer, and other oncology diseases; Efineptakin, a long-acting recombinant human IL-7, which is in Phase 2 clinical trials to treat glioblastoma multiforme patients with lymphopenia; TJ210, a monoclonal antibody against human C5aR1 that is in Phase 1 for the treatment of cancers and autoimmune; Plonmarlimab, a GM-CSF monoclonal antibody that is in Phase 2 clinical trials for rheumatoid arthritis and CAR-T-related therapies; Uliledlimab, a CD73 antibody, which is in Phase I/2 clinical trials for treating solid tumors and oncology; TJ-L14B, a PD-L1-based tumor-dependent T-cell engager for solid cancers; and TJ-CD4B, a tumor-dependent T cell engager for gastric and other cancers. Its product candidates in pre-clinical development stage comprises TJX7, a novel CXCL13 antibody for autoimmune diseases; and TJ-C4GM antibodies for treating oncology diseases. I-Mab has strategic collaboration agreement with AbbVie Ireland Unlimited Company; Sinopharm Group Co. Ltd.; PT Kalbe Genexine Biologics; and Roche Diagnostics. The company was founded in 2014 and is headquartered in Shanghai, the People's Republic of China.
Read More on I-Mab

Today's Range

Now: $1.22
Low: $1.21
High: $1.39

50 Day Range

MA: $1.59
Low: $1.26
High: $2.00

52 Week Range

Now: $1.22
Low: $1.21
High: $5.19

Volume

816,907 shs

Average Volume

402,836 shs

Market Capitalization

$140.94 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.59

Who are the company insiders with the largest holdings of I-Mab?

I-Mab's top insider investors include:
  1. Cong Claire Xu (EVP)
  2. Cong Claire Xu (SVP)
  3. Sean Wuxiong Cao (Insider)
  4. Mark Arnold Hagler (Insider)
  5. Phillip Andrew Dennis (Insider)
Learn More about top insider investors at I-Mab.