4551 KENNEDY COMMERCE DR., HOUSTON, TX
Market cap: $16.7M (2/09/2026)
Price: $1.55
2026 Annual Meeting Scheduled for May 1, 2026; Proposals Due March 9, 2026
Reports Third Quarter 2025 Financial Results and Provides Business Updates
Appoints Kathryn Penkus Corzo to Board of Directors
Announces First Patient Treated in Off-the-Shelf Program
Corporate Presentation August 26, 2025 NASDAQ: MRKR
Changing the Company's Accountant
Announce Collaboration to Advance cGMP Manufacturing of MT-601, a Multi-Antigen Recognizing T Cell Therapy for Patients with Lymphoma
Shareholder votes
Q3
Q2
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FY 2024
FY 2023
Effectiveness Notice
Prospectus filed pursuant to Rule 424(b)(3)
Registration Statement for Securities Offered under a Shelf Registration
Notice of Exempt Offering of Securities
Prospectus filed pursuant to Rule 424(b)(5)
Additional Proxy Materials
Definitive Proxy Statement
PRE 14A
Statement of Changes in Beneficial Ownership
Amended Schedule 13D - Ownership Report
Amended Schedule 13G - Ownership Report
Initial Statement of Beneficial Ownership
Prospectus filed pursuant to Rule 424(b)(7)