ZBIO

Market Tracker

  • ZBIO (Selected)

ZBIO Most Active Options Strike Prices Whale BUY Activity - 5 day

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Represents the strikes that had the highest premium of whale flow (on the ASK side) over the past 5 trading days.

ZBIO Most Active Options Strike Prices Whale SALES Activity - 5 day

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Represents the strikes that had the highest premium of whale flow (on the BID side) over the past 5 trading days.

ZBIO Open Interest Trend

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Total Open Interest of Calls & Puts across all strikes and expirations over the past 16 trading days.

ZBIO Largest 1-Day Open Interest Movements

Expires Type Strike OI Change Percent
10/17/2025 PUT $22.50 634 +170 +36.64%
10/17/2025 PUT $25.00 126 +35 +38.46%
11/21/2025 PUT $25.00 33 +33
10/17/2025 CALL $25.00 57 +23 +67.65%
11/21/2025 PUT $22.50 80 +20 +33.33%
10/17/2025 CALL $30.00 154 +17 +12.41%
05/15/2026 PUT $22.50 0 0
05/15/2026 PUT $25.00 0 0
05/15/2026 PUT $30.00 0 0
05/15/2026 PUT $35.00 0 0
05/15/2026 PUT $40.00 0 0
11/21/2025 CALL $30.00 143 -36 -20.11%

Contracts with largest changes in open interest from the previous trading day to the current/most recent.

ZBIO News

  • Chairman and CEO of Zenas BioPharma (ZBIO) Buys 36,928 Shares for $769,948

    10/16 12:12 pm

    The Motley Fool

    Read more
  • INVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Zenas BioPharma, Inc. of Class Action Lawsuit and Upcoming Deadlines - ZBIO

    06/15 10:00 am

    GlobeNewswire Inc.

    Read more
  • SHAREHOLDER NOTICE: Faruqi & Faruqi, LLP Investigates Claims on Behalf of Investors of Zenas BioPharma

    06/12 06:17 pm

    GlobeNewswire Inc.

    Read more
  • ZBIO INVESTOR ALERT: Bronstein, Gewirtz & Grossman LLC Announces that Zenas BioPharma, Inc. Investors with Substantial Losses Have Opportunity to Lead Class Action Lawsuit

    06/11 04:00 pm

    GlobeNewswire Inc.

    Read more
  • Zenas BioPharma, Inc. Investors: Please contact the Portnoy Law Firm to recover your losses; June 16, 2025 Deadline to file Lead Plaintiff Motion

    06/10 06:39 pm

    GlobeNewswire Inc.

    Read more
  • GoHealth, Inc. Investor News: If You Have Suffered Losses in GoHealth, Inc. (NASDAQ: GOCO), You Are Encouraged to Contact The Rosen Law Firm About Your Rights

    06/10 03:59 pm

    GlobeNewswire Inc.

    Read more
  • Bragar Eagel & Squire, P.C. Reminds Investors That Class Action Lawsuits Have Been Filed Against Ibotta, NET Power, Zenas BioPharma, and Avis Budget and Encourages Investors to Contact the Firm

    06/09 09:00 pm

    GlobeNewswire Inc.

    Read more
  • Zenas BioPharma, Inc. Investors: Please contact the Portnoy Law Firm to recover your losses; June 16, 2025 Deadline to file Lead Plaintiff Motion

    06/04 04:59 pm

    GlobeNewswire Inc.

    Read more
  • ZBIO INVESTOR ALERT: Bronstein, Gewirtz & Grossman LLC Announces that Zenas BioPharma, Inc. Investors with Substantial Losses Have Opportunity to Lead Class Action Lawsuit

    06/04 04:00 pm

    GlobeNewswire Inc.

    Read more
  • The Gross Law Firm Announces the Filing of a Securities Class Action on Behalf of Zenas BioPharma, Inc. (ZBIO) Shareholders

    06/04 01:00 pm

    GlobeNewswire Inc.

    Read more
  • Bragar Eagel & Squire, P.C. Reminds Investors That Class Action Lawsuits Have Been Filed Against Ibotta, NET Power, Zenas BioPharma, and BigBear and Encourages Investors to Contact the Firm

    06/02 09:00 pm

    GlobeNewswire Inc.

    Read more
  • ROSEN, RECOGNIZED INVESTOR COUNSEL, Encourages Zenas BioPharma, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the Firm – ZBIO

    06/01 08:41 am

    GlobeNewswire Inc.

    Read more
  • ROSEN, THE FIRST FILING FIRM, Encourages Zenas BioPharma, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the Firm – ZBIO

    05/29 07:16 pm

    GlobeNewswire Inc.

    Read more
  • ZBIO Investors Have Opportunity to Lead Zenas BioPharma, Inc. Securities Fraud Lawsuit with the Schall Law Firm

    05/27 09:32 am

    Benzinga

    Read more
  • ZBIO Investors Have Opportunity to Lead Zenas BioPharma, Inc. Securities Fraud Lawsuit with the Schall Law Firm

    05/23 09:39 am

    Benzinga

    Read more
  • ZBIO INVESTOR ALERT: Bronstein, Gewirtz & Grossman LLC Announces that Zenas BioPharma, Inc. Investors with Substantial Losses Have Opportunity to Lead Class Action Lawsuit

    05/21 04:00 pm

    GlobeNewswire Inc.

    Read more
  • ZBIO Investors Have Opportunity to Lead Zenas BioPharma, Inc. Securities Fraud Lawsuit with the Schall Law Firm

    05/19 10:26 am

    Benzinga

    Read more
  • ZBIO Investors Have the Opportunity to Lead the Zenas BioPharma Securities Fraud Lawsuit with Faruqi & Faruqi, LLP

    05/18 08:55 am

    GlobeNewswire Inc.

    Read more
  • ROSEN, LEADING TRIAL ATTORNEYS, Encourages Zenas BioPharma, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the Firm – ZBIO

    05/17 12:00 pm

    GlobeNewswire Inc.

    Read more
  • Bragar Eagel & Squire, P.C. Reminds Investors That Class Action Lawsuits Have Been Filed Against Ibotta, NET Power, Zenas BioPharma, and BigBear and Encourages Investors to Contact the Firm

    05/14 09:00 pm

    GlobeNewswire Inc.

    Read more
  • INVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Zenas BioPharma, Inc. of Class Action Lawsuit and Upcoming Deadlines - ZBIO

    05/13 09:00 am

    GlobeNewswire Inc.

    Read more
  • ZBIO Investors Have Opportunity to Lead Zenas BioPharma, Inc. Securities Fraud Lawsuit with the Schall Law Firm

    05/12 09:49 am

    Benzinga

    Read more
  • DEADLINE ALERT: Faruqi & Faruqi, LLP Investigates Claims on Behalf of Investors of Zenas BioPharma

    05/11 09:05 am

    GlobeNewswire Inc.

    Read more
  • Cohen Milstein Continues Lead Plaintiff Search for Zenas BioPharma (ZBIO) Securities Fraud Class Action Following Post-IPO Stock Decline

    05/09 07:34 pm

    GlobeNewswire Inc.

    Read more
  • Lost Money on Zenas BioPharma, Inc.(ZBIO)? Join Class Action Suit Seeking Recovery – Contact Levi & Korsinsky

    05/08 01:58 pm

    GlobeNewswire Inc.

    Read more
  • ZBIO Stock Notice: Zenas BioPharma, Inc. Stockholders are Encouraged to Contact Shareholder Rights Law Firm Robbins LLP for Information About the ZBIO Class Action

    05/05 08:06 pm

    GlobeNewswire Inc.

    Read more
  • Cohen Milstein Reminds Zenas BioPharma (ZBIO) Investors of Opportunity to Lead Securities Fraud Suit

    05/05 02:48 pm

    GlobeNewswire Inc.

    Read more
  • Levi & Korsinsky Announces the Filing of a Securities Class Action on Behalf of Zenas BioPharma, Inc.(ZBIO) Shareholders

    05/05 01:54 pm

    GlobeNewswire Inc.

    Read more
  • NET Power, Inc. Sued for Securities Law Violations – Investors Should Contact Levi & Korsinsky Before June 17, 2025 to Discuss Your Rights – NPWR

    05/05 01:54 pm

    GlobeNewswire Inc.

    Read more
  • ZBIO INVESTOR ALERT: Bronstein, Gewirtz & Grossman LLC Announces that Zenas BioPharma, Inc. Investors with Substantial Losses Have Opportunity to Lead Class Action Lawsuit

    04/30 04:00 pm

    GlobeNewswire Inc.

    Read more
  • Robbins LLP Reminds ZBIO Stockholders with Large Losses to Contact the Law Firm for Information on Leading the Zenas BioPharma, Inc. Class Action

    04/29 06:57 pm

    GlobeNewswire Inc.

    Read more
  • Bragar Eagel & Squire, P.C. Reminds Investors That Class Action Lawsuits Have Been Filed Against Ibotta, NET Power, and Zenas BioPharma and Encourages Investors to Contact the Firm

    04/28 09:00 pm

    GlobeNewswire Inc.

    Read more
  • ZBIO Investors Have Opportunity to Lead Zenas BioPharma, Inc. Securities Fraud Lawsuit with the Schall Law Firm

    04/28 09:32 am

    Benzinga

    Read more
  • INVESTOR ALERT: Faruqi & Faruqi, LLP Investigates Claims on Behalf of Investors of Zenas BioPharma

    04/26 09:40 am

    GlobeNewswire Inc.

    Read more
  • INVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Zenas BioPharma, Inc. of Class Action Lawsuit and Upcoming Deadlines - ZBIO

    04/21 05:58 pm

    GlobeNewswire Inc.

    Read more
  • ROSEN, THE FIRST FILING FIRM, Encourages Zenas BioPharma, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the Firm – ZBIO

    04/19 08:23 am

    GlobeNewswire Inc.

    Read more
  • Gainey McKenna & Egleston Announces A Class Action Lawsuit Has Been Filed Against Zenas BioPharma, Inc. (ZBIO)

    04/17 08:00 pm

    GlobeNewswire Inc.

    Read more
  • SMTC INVESTOR ALERT: Bronstein, Gewirtz & Grossman LLC Announces that Semtech Corporation Investors with Substantial Losses Have Opportunity to Lead Class Action Lawsuit

    04/17 04:00 pm

    GlobeNewswire Inc.

    Read more
  • ZBIO INVESTOR ALERT: Bronstein, Gewirtz & Grossman LLC Announces that Zenas BioPharma, Inc. Investors with Substantial Losses Have Opportunity to Lead Class Action Lawsuit

    04/17 04:00 pm

    GlobeNewswire Inc.

    Read more
  • ZBIO INVESTOR NEWS: ROSEN, THE FIRST FILING FIRM, Encourages Zenas BioPharma, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the Firm – ZBIO

    04/16 07:00 pm

    GlobeNewswire Inc.

    Read more
  • ZBIO INVESTOR ALERT: Robbins Geller Rudman & Dowd LLP Announces that Zenas BioPharma, Inc. Investors with Substantial Losses Have Opportunity to Lead the Zenas BioPharma Class Action Lawsuit

    04/16 06:41 pm

    GlobeNewswire Inc.

    Read more
  • Kyndryl Holdings, Inc. Announcement: If You Have Suffered Losses in Kyndryl Holdings, Inc. (NYSE: KD), You Are Encouraged to Contact The Rosen Law Firm About Your Rights

    04/13 09:45 am

    GlobeNewswire Inc.

    Read more
  • Zenas BioPharma, Inc. Investor News: If You Have Suffered Losses in Zenas BioPharma, Inc. (NASDAQ: ZBIO), You Are Encouraged to Contact The Rosen Law Firm About Your Rights

    04/10 03:00 pm

    GlobeNewswire Inc.

    Read more
  • Zenas BioPharma, Inc. Announcement: If You Have Suffered Losses in Zenas BioPharma, Inc. (NASDAQ: ZBIO), You Are Encouraged to Contact The Rosen Law Firm About Your Rights

    04/01 12:51 pm

    GlobeNewswire Inc.

    Read more
  • Zenas BioPharma, Inc. Announcement: If You Have Suffered Losses in Zenas BioPharma, Inc. (NASDAQ: ZBIO), You Are Encouraged to Contact The Rosen Law Firm About Your Rights

    03/25 01:30 pm

    GlobeNewswire Inc.

    Read more
  • Zenas BioPharma to Present at the Guggenheim SMID Cap Biotech Conference

    01/28 09:00 am

    GlobeNewswire Inc.

    Read more
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