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Privacy Policy

Last Updated: August 28, 2025
Treeline Biosciences, Inc. (“Treeline Biosciences,” “we,” “us,” and “our”) is a life sciences company that prioritizes molecular targets in oncology that are validated but difficult to drug. This Privacy Policy is designed to help you understand how Treeline Biosciences collects, uses, and shares your personal information and to help you understand and exercise your privacy rights.
Notice at Collection. At or before the time of collection, California residents may have a right to receive notice of our practices, including the categories of personal information to be collected, the purposes for which such information is collected or used, whether such information is sold or shared and how to opt-out of such uses, and how long such information is retained. You can find those details in this statement by clicking on the above links.

1. SCOPE

This Privacy Policy applies to personal information processed by Treeline Biosciences on our website (the “Site”).

2. CHANGES TO OUR PRIVACY POLICY

We may revise this Privacy Policy from time to time in our sole discretion. If there are any material changes to this Privacy Policy, we will notify you as required by applicable law. You understand and agree that you will be deemed to have accepted the updated Privacy Policy if you continue to use our Site after the new Privacy Policy takes effect.

3. PERSONAL INFORMATION WE COLLECT

The categories of personal information we collect depend on how you interact with us, our Site and the requirements of applicable law. We collect information that you provide to us, information we obtain automatically when you use our Site, and information from other sources such as third-party services and organizations, as described below.

A. Information You Provide to Us Directly

We may collect the following personal information that you provide to us:
  • Your Communications with Us. We may collect personal information, such as email address, phone number, or mailing address when you request information about Treeline Biosciences, or the Site, or otherwise communicate with us.
  • Interactive Features. We may collect personal information that you submit or make available through our interactive features (e.g., contact functionalities). Any personal information you provide on any public sections of these features will be considered “public,” unless otherwise required by applicable law, and is not subject to the privacy protections referenced herein.
  • Job Applications. We may post job openings and opportunities on our Site. You may reply to one of these postings by submitting your application, CV, cover letter, and/or other information to us. If you reply to one of these postings, we will collect and use this information to assess your qualifications.

B. Information Collected Automatically

We may collect personal information automatically when you use our Site:
  • Automatic Data Collection. We may collect certain information automatically when you use our Site, such as your Internet protocol (IP) address, user settings, MAC address, cookie identifiers, mobile carrier, mobile advertising and other unique identifiers, browser or device information, location information (including approximate location derived from IP address), and Internet service provider. We may also automatically collect information regarding your use of our Site, such as pages that you visit before, during and after using our Site, information about the links you click, the types of content you interact with, the frequency and duration of your activities, and other information about how you use our Site.
  • Cookies, Pixel Tags/Web Beacons, and Other Technologies. We, as well as third parties that provide content or other functionality on our Site, may use cookies, local storage, and other technologies (“Technologies”) to automatically collect information through your use of our Site.
    • Cookies. Cookies are small text files placed in device browsers that store preferences and facilitate and enhance your experience.
    • Pixel Tags/Web Beacons. A pixel tag (also known as a web beacon) is a piece of code embedded in our Site that collects information about engagement on our Site. The use of a pixel tag allows us to record, for example, that a user has visited a particular web page or clicked on a particular advertisement. We may also include web beacons in e-mails to understand whether messages have been opened, acted on, or forwarded.
Our uses of these Technologies fall into the following general categories:
  • Operationally Necessary. This includes Technologies that allow you access to our Site, applications, and tools that are required to identify irregular website behavior, prevent fraudulent activity and improve security or that allow you to make use of our functionality;
  • Performance-Related. We may use Technologies to assess the performance of our Site, including as part of our analytic practices to help us understand how individuals use our Site (see “Analytics” below); and
  • Functionality-Related. We may use Technologies that allow us to offer you enhanced functionality when accessing or using our Site. This may include identifying you when you sign into our Site or keeping track of your specified preferences, interests, or past items viewed.
See “Your Privacy Choices and Rights” below to understand your choices regarding these Technologies.
  • Analytics. We may use Technologies and other third-party tools to process analytics information on our Site. Some of our analytics partners include Google Analytics. For more information about how Google collects and processes data, please visit “How Google uses information from sites or apps that use our services”, (located at www.google.com/policies/privacy/partners). To learn more about how to opt-out of Google Analytics’ use of your information on our website, please click here.

C. Information Collected from Other Sources

  • Third-Party Sources. We may obtain information about you from other sources, including through third-party services and organizations.

4. HOW WE USE YOUR INFORMATION

We use your information for a variety of business purposes, including to provide our Site and for administrative purposes, as described below.

A. Provide Our Site

We use your information to provide you with our Site, such as:
  • Answering requests and inquiries;
  • Communicating with you about activities on our Site and policy changes;
  • Allowing you to register for events; and
  • Processing applications if you apply for a job we post on our Site.

B. Administrative Purposes

We use your information for various administrative purposes, such as:
  • Pursuing our legitimate interests such as research and development (including marketing research), network and information security, and fraud prevention;
  • Detecting security incidents, protecting against malicious, deceptive, fraudulent or illegal activity, and prosecuting those responsible for that activity;
  • Measuring interest and engagement in our Site;
  • Improving, upgrading or enhancing our Site;
  • Developing new products and services;
  • Ensuring internal quality control and safety;
  • Authenticating and verifying individual identities;
  • Debugging to identify and repair errors with our Site;
  • Auditing relating to interactions, transactions and other compliance activities;
  • Enforcing our agreements and policies; and
  • Complying with our legal obligations.

C. Other Purposes

We also use your information for other purposes as requested by you or as permitted by applicable law.
  • Consent. We may use personal information for other purposes that are clearly disclosed to you at the time you provide personal information or with your consent.
  • De-identified and Aggregated Information. We may use personal information and other information about you to create de-identified and/or aggregated information, such as de-identified demographic information, de-identified location information, information about the device from which you access our Site, or other analyses we create. De-identified and/or aggregated information is not personal information, and we may use, disclose, and retain such information as permitted by applicable laws including, but not limited to, for research, analysis, analytics, and any other legally permissible purposes.

5. HOW WE DISCLOSE YOUR INFORMATION

We disclose your information to third parties for a variety of business purposes, including to provide our Site, to protect us or others, or in the event of a major business transaction such as a merger, sale, or asset transfer, as described below.

A. Disclosures to Provide our Site

The categories of third parties with whom we may share your information are described below.
  • Service Providers. We may share your personal information with our third-party service providers who use that information to help us provide our Site. This includes service providers that provide us with IT support, hosting, and other related services.
  • Affiliates. We may share your personal information with members of our corporate family.
  • Advertising Partners. We may share your personal information with third-party advertising partners. These third-party advertising partners may set Technologies and other tracking tools on our Site to collect information regarding your activities and your device (e.g., your IP address, cookie identifiers, page(s) visited, location, time of day). These advertising partners may use this information (and similar information collected from other services) for purposes of delivering personalized advertisements to you when you visit digital properties within their networks. This practice is commonly referred to as “interest-based advertising” or “personalized advertising.”

B. Disclosures to Protect Us or Others

We may access, preserve, and disclose any information we store associated with you to external parties if we, in good faith, believe doing so is required or appropriate to: comply with law enforcement or national security requests and legal process, such as a court order or subpoena; protect your, our, or others’ rights, property, or safety; enforce our policies or contracts; collect amounts owed to us; or assist with an investigation or prosecution of suspected or actual illegal activity.

C. Disclosure in the Event of Merger, Sale, or Other Asset Transfers

If we are involved in a merger, acquisition, financing due diligence, reorganization, bankruptcy, receivership, purchase or sale of assets, or transition of service to another provider, your information may be sold or transferred as part of such a transaction, as permitted by law and/or contract.

6. YOUR PRIVACY CHOICES AND RIGHTS

Your Privacy Choices. The privacy choices you may have about your personal information are determined by applicable law and are described below.
  • Email Communications. If you receive an unwanted email from us, you can use the unsubscribe link found at the bottom of the email to opt out of receiving future emails. Note that you will continue to receive emails regarding specific requests you have made, such as in connection with a job application you have made. We may also send you certain non-promotional communications regarding us and our Site, and you will not be able to opt out of those communications (e.g., communications regarding our Site or updates to any associated Terms of Service or this Privacy Policy).
  • “Do Not Track.” Do Not Track (“DNT”) is a privacy preference that users can set in certain web browsers. Please note that we do not respond to or honor DNT signals or similar mechanisms transmitted by web browsers.
  • Cookies and Interest-Based Advertising. You may stop or restrict the placement of Technologies on your device or remove them by adjusting your preferences as your browser or device permits. However, if you adjust your preferences, our Site may not work properly. Please note that cookie-based opt-outs are not effective on mobile applications. However, you may opt-out of personalized advertisements on some mobile applications by following the instructions for Android, iOS and others.
The online advertising industry also provides websites from which you may opt out of receiving targeted ads from data partners and other advertising partners that participate in self-regulatory programs. You can access these and learn more about targeted advertising and consumer choice and privacy by visiting the Network Advertising Initiative, the Digital Advertising Alliance, the European Digital Advertising Alliance, and the Digital Advertising Alliance of Canada.
Please note you must separately opt out in each browser and on each device.
Your Privacy Rights. In accordance with applicable law, you may have the right to:
  • Confirm Whether We Are Processing Your Personal Information (the right to know);
  • Access Personal Information about you, including: (i) confirming whether we are processing your personal information; (ii) obtaining access to or a copy of your personal information; or (iii) receiving an electronic copy of personal information that you have provided to us, or asking us to send that information to another company (aka the right of data portability);
  • Request Correction of your personal information where it is inaccurate or incomplete. In some cases, we may provide self-service tools that enable you to update your personal information;
  • Request Deletion of your personal information;
  • Request Restriction of or Object to our processing of your personal information;
  • Withdraw Your Consent to our processing of your personal information; and
  • Appeal our Decision to decline to process your request.
If you would like to exercise any of these rights, please contact us as set forth in Section 15 below. We will process such requests in accordance with applicable laws.
If applicable laws grant you an appeal right and you would like to appeal our decision with respect to your request, you may do so by informing us of this and providing us with information supporting your appeal.

7. SECURITY OF YOUR INFORMATION

We take steps to ensure that your information is treated securely and in accordance with this Privacy Notice. Unfortunately, no system is 100% secure, and we cannot ensure or warrant the security of any information you provide to us. To the fullest extent permitted by applicable law, we do not accept liability for unauthorized disclosure.
By using our Site or providing personal information to us, you agree that we may communicate with you electronically regarding security, privacy, and administrative issues relating to your use of our Site. If we learn of a security system’s breach, we may attempt to notify you electronically by posting a notice on our Site, by mail or by sending an email to you.

8. INTERNATIONAL DATA TRANSFERS

All information processed by us may be transferred, processed, and stored anywhere in the world, including, but not limited to, the United States or other countries, which may have data protection laws that are different from the laws where you live. We endeavor to safeguard your information consistent with the requirements of applicable laws.
If we transfer personal information which originates in the European Economic Area, Switzerland, and/or the United Kingdom to a country that has not been found to provide an adequate level of protection under applicable data protection laws, one of the safeguards we may use to support such transfer is the EU Standard Contractual Clauses.
For more information about the safeguards, we use for international transfers of your personal information, please contact us as set forth below.

9. RETENTION OF PERSONAL INFORMATION

We store the personal information we collect as described in this Privacy Policy for as long as you use our Site or as necessary to fulfill the purpose(s) for which it was collected, provide our Site, resolve disputes, establish legal defenses, conduct audits, pursue legitimate business purposes, enforce our agreements, and comply with applicable laws.
To determine the appropriate retention period for personal information, we may consider applicable legal requirements, the amount, nature, and sensitivity of the personal information, certain risk factors, the purposes for which we process your personal information, and whether we can achieve those purposes through other means.

10. SUPPLEMENTAL NOTICE FOR CALIFORNIA RESIDENTS

This Supplemental California Privacy Notice only applies to our processing of personal information that is subject to the California Consumer Privacy Act of 2018 (as amended from time to time, the “CCPA”). The CCPA provides California residents with the right to know what categories of personal information Treeline Biosciences has collected about them, whether Treeline Biosciences disclosed that personal information for a business purpose (e.g., to a service provider) whether Treeline Biosciences “sold” that personal information, and whether Treeline Biosciences “shared” that personal information for “cross-context behavioral advertising” in the preceding twelve months. California residents can find this information below:
The categories of sources from which we collect personal information and our business and commercial purposes for using personal information are set forth in “Personal Information We Collect”, “How We Use Your Personal Information”, and “How We Disclose Your Personal Information” above, respectively. We will retain personal information in accordance with the time periods set forth in “Retention of Personal Information”.
Additional Privacy Rights for California Residents
Treeline Biosciences neither “sells” nor “shares” personal information for “cross-context behavioral advertising”.
Disclosure Regarding Individuals Under the Age of 16. We do not have actual knowledge of any “sale” of personal information of minors under 16 years of age. We do not have actual knowledge of any “sharing” of personal information of minors under 16 years of age for “cross-context behavioral advertising.”
Disclosure Regarding Sensitive Personal Information. Treeline Biosciences only uses and discloses sensitive personal information for the following purposes:
• To perform the services or provide the goods reasonably expected by an average consumer who requests those goods or services
• To prevent, detect, and investigate security incidents that compromise the availability, authenticity, integrity, and or confidentiality of stored or transmitted personal information.
• To resist malicious, deceptive, fraudulent, or illegal actions directed at Treeline Biosciences and to prosecute those responsible for those actions.
• To ensure the physical safety of natural persons.
• To verify or maintain the quality or safety of a product, service, or device that is owned, manufactured, manufactured for, or controlled by Treeline Biosciences, and to improve, upgrade, or enhance the service or device that is owned, manufactured by, manufactured for, or controlled by Treeline Biosciences.
  • For purposes that do not infer characteristics about individuals.
Non-Discrimination. California residents have the right not to receive discriminatory treatment by us for the exercise of their rights conferred by the CCPA.
Authorized Agent. Only you, or someone legally authorized to act on your behalf, may make a verifiable consumer request related to your personal information. To designate an authorized agent, please provide written authorization signed by you and your designated agent using the information found in “Contact Us” below and ask us for additional instructions.
Verification. To protect your privacy, we will take steps to reasonably verify your identity before fulfilling requests submitted under the CCPA. These steps may involve asking you to provide sufficient information that allows us to reasonably verify you are the person about whom we collected personal information or an authorized representative, which may include confirming the email address associated with any personal information we have about you.
If you are a California resident and would like to exercise any of your rights under the CCPA, please contact us as set forth below. We will process such requests in accordance with applicable laws.

11. SUPPLEMENTAL NOTICE FOR NEVADA RESIDENTS

If you are a resident of Nevada, you have the right to opt-out of the sale of certain personal information to third parties who intend to license or sell that personal information. You can exercise this right by contacting us as set forth below with the subject line “Nevada Do Not Sell Request” and providing us with your name and the email address we have associated with you. Please note that we do not currently sell your personal information as sales are defined in Nevada Revised Statutes Chapter 603A. If you have any questions, please contact us as set forth in “Contact Us” below.

12. CHILDREN'S INFORMATION

The Site is not directed to children under 13 (or other age as required by local law), and we do not knowingly collect personal information from children. If you are a parent or guardian and believe your child has uploaded personal information to our site without your consent, you may contact us as described in “Contact Us” below. If we become aware that your child has provided us with personal information without your consent, you may contact us as set forth below. If we learn that we have collected a child’s personal information in violation of applicable law, we will delete any personal information we have collected, unless we have a legal obligation to keep it.

13. THIRD-PARTY WEBSITES/APPLICATIONS

The Site may contain links to other websites/applications and other websites/applications may reference or link to our Site. These third-party services are not controlled by us. We encourage our users to read the privacy policies of each website and application with which they interact. We do not endorse, screen or approve, and are not responsible for, the privacy practices or content of such other websites or applications. Providing personal information to third-party websites or applications is at your own risk.

14. SUPERVISORY AUTHORITY

If you are located in the European Economic Area, Switzerland, or the United Kingdom you have the right to lodge a complaint with a supervisory authority if you believe our processing of your personal information violates applicable law.

15. CONTACT US

Treeline Biosciences is the controller of your personal information we process under this Privacy Policy. If you have any questions about our privacy practices or this Privacy Policy, or to exercise your rights as detailed in this Privacy Policy, please contact us at:
Treeline Biosciences, Inc.
500 Arsenal St., Watertown MA 02472
privacy@treeline.bio
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