On track to initiate FIH study with STRO-004, potential best-in-class Tissue Factor ADC, in the second half of 2025 Expanded breadth of preclinical data across pipeline, including STRO-006 and dual-payload ADCs Entered research collaboration with the FDA to advance regulatory standards for ADCs Industry veteran Greg Chow appointed as Chief Financial Officer Cash, cash equivalents and marketable securities as of June 30, 2025... Read More

SOUTH SAN FRANCISCO, Calif., July 22, 2025 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), an oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that it has entered into a collaboration with the U.S. Food and Drug Administration (FDA) to develop reference materials to improve regulatory standards and enhance analytical methods for ADC... Read More

SOUTH SAN FRANCISCO, Calif., June 02, 2025 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), an oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced the appointment of Greg Chow as Chief Financial Officer (CFO), effective June 2, 2025. Mr. Chow brings over 25 years of executive leadership experience across corporate finance, capital... Read More

Sharpened product candidate focus on its next-generation ADC portfolio, following strategic review and pipeline reprioritization Promising preclinical results with STRO-004 and dual-payload ADC, as well as STRO-006 programs presented at AACR 2025 and PEGS, respectively Three INDs for wholly-owned programs anticipated in next 3 years, beginning with potential best-in-class Tissue Factor ADC, STRO-004, planned for 2H 2025... Read More

SOUTH SAN FRANCISCO, Calif., May 01, 2025 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), an oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that management will participate in two upcoming investor conferences. Conference Details: The Citizens Life Sciences Conference Date: May 7-8, 2025 Location: New York, NY BofA Securities 2025... Read More

SOUTH SAN FRANCISCO, Calif., April 28, 2025 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc . (Sutro or the Company) (NASDAQ: STRO), an oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced poster presentations at the upcoming 2025 American Association for Cancer Research (AACR) Annual Meeting, taking place April 25-30 in Chicago, IL. The presentations will cover preclinical... Read More

SOUTH SAN FRANCISCO, Calif., March 15, 2025 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), an oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced expanded data in a late-breaking oral presentation from the dose-optimization portion of the REFRαME-O1 trial with luveltamab tazevibulin (luvelta) in patients with platinum resistant ovarian... Read More

Sutro announced a strategic portfolio review resulting in prioritization of wholly-owned next-generation ADC programs; Key management changes announced as part of transition Cash, cash equivalents and marketable securities as of December 31, 2024 of $316.9 million, with cash runway expected into at least Q4 2026, excluding anticipated milestones from existing collaborations Conference call today at 2:00 p.m. PT / 5:00 p.m.... Read More

Sutro will rapidly advance next-generation exatecan and dual-payload ADC programs; luveltamab tazevibulin development to be deprioritized as Sutro continues to seek a partner Three INDs for wholly-owned programs expected in the next 3 years, beginning with novel Tissue Factor ADC, STRO-004, planned for 2H 2025 Jane Chung, President and COO, to succeed Bill Newell as CEO and Board Director Cash, cash equivalents and... Read More

SOUTH SAN FRANCISCO, Calif., March 03, 2025 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that management will present at the TD Cowen 45th Annual Health Care Conference taking place March 3-5, 2025 in Boston, MA. The presentation will be accessible through the News &... Read More

SOUTH SAN FRANCISCO, Calif., Jan. 07, 2025 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that Bill Newell, Chief Executive Officer, will present at the 43 rd Annual J.P. Morgan Healthcare Conference on Wednesday, January 15, 2025, at 2:15 p.m. PT / 5:15 p.m. ET in San... Read More

SOUTH SAN FRANCISCO, Calif., Jan. 07, 2025 (GLOBE NEWSWIRE) -- Boehringer Ingelheim BioXcellence™ and Sutro Biopharma Inc. today announced that they successfully applied Sutro’s proprietary cell-free expression technology on a commercial scale to manufacture luveltamab tazevibulin (luvelta), Sutro’s Tubulin FRα-targeting antibody-drug conjugate (ADC) designed to treat a broad range of patients with ovarian cancer and other... Read More

32% objective response rate (ORR) in evaluable patients at the 5.2 mg/kg starting dose – the selected dose for randomized portion (Part 2) of ongoing registrational REFRαME-O1 trial These data confirm luvelta’s robust response rate in patients with late-stage ovarian cancer expressing a broad range of folate receptor alpha (FRα) Neutropenia well-managed; no new safety findings Luvelta is positioned for an Accelerated... Read More

Expects to deliver three Investigational New Drug (IND) applications in next three years based on next-generation ADC technology Two new clinical trials, REFRαME-P1, a registration-enabling trial of luvelta for pediatric patients with rare leukemia, and REFRαME-L1, a Phase 2 trial of luvelta for patients with non-small cell lung cancer, are underway Sutro presented data from the Phase 1b study of luvelta in combination with... Read More

SOUTH SAN FRANCISCO, Calif., Nov. 04, 2024 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that the company will have five presentations at the 15th Annual World ADC Conference, taking place in San Diego, November 4-6, 2024. Presentation Details: Development of... Read More

SOUTH SAN FRANCISCO, Calif., Nov. 01, 2024 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that REFRαME-P1, the registration-directed study of luveltamab tazevibulin (luvelta) for pediatric patients with CBFA2T3::GLIS2 (CBF/GLIS; RAM phenotype) acute myeloid leukemia... Read More

Proprietary cell-free platform enables the design of next-generation ADCs intended to broaden addressable patient populations STRO-004 (tissue factor ADC) preclinical data has demonstrated greater anti-tumor activity and lower toxicity compared to a benchmark tissue factor ADC Preclinical models highlight potent anti-tumor... Read More

SOUTH SAN FRANCISCO, Calif., Sept. 20, 2024 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc . (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody-drug conjugates (ADCs), today announced that on September 16, 2024, the Compensation Committee of Sutro’s Board of Directors granted 60,000 restricted stock units (RSUs) of Sutro common stock to a new employee. The... Read More

4.3 mg/kg of luveltamab tazevibulin (luvelta) in combination with standard dose of bevacizumab (15 mg/kg) every 3 weeks resulted in a 56% objective response rate in patients with late-stage ovarian cancer and was selected to be the recommended phase 2 dose (RP2D) Luvelta in combination with bevacizumab demonstrated encouraging preliminary antitumor activity (35% response rate) across all explored dose ranges Expansion at... Read More

SOUTH SAN FRANCISCO, Calif., Sept. 11, 2024 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that it will host a Research Forum to highlight its pipeline of next-generation ADCs. The live webcast will be held on Thursday, October 10, 2024, starting at 1:30 p.m. PT / 4:30... Read More

SOUTH SAN FRANCISCO, Calif., Aug. 22, 2024 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that REFRαME-L1, the global Phase 2 study of luveltamab tazevibulin (luvelta) for patients with non-small cell lung cancer (NSCLC) whose tumor expresses Folate Receptor-α (FRα),... Read More

Sutro will present updated data from the ongoing Phase 1b study of luvelta in combination with bevacizumab in a poster presentation at ESMO 2024; expansion study is ongoing with data expected in the first half of 2025 REFRαME-O1 Part 2 (randomized portion) of the Phase 3 trial of luvelta for treatment of platinum-resistant ovarian cancer (PROC) is underway REFRαME-P1, a registration-enabling trial of luvelta for pediatric... Read More

SOUTH SAN FRANCISCO, Calif., July 09, 2024 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced the appointment of Barbara Leyman, Ph.D., as Chief Business Development Officer, effective July 8, 2024. Dr. Leyman brings 20 years of life science industry business development,... Read More

Investigational New Drug application for non-small cell lung cancer trial with luvelta cleared by U.S. Food and Drug Administration; Phase 2 on track to begin dosing in the second half of 2024 Patient expansion phase well underway in Phase 2 study of luvelta in combination with bevacizumab; enrollment is expected to complete in the first half of 2024 The randomized portion of REFRαME-O1, the registration-enabling study of... Read More

Part 2 of REFRαME-O1, the registration-directed study of luvelta for patients with platinum-resistant ovarian cancer (PROC), is open for enrollment Planned 50 patients in Dose-Optimization (Part 1) of REFRαME-O1 have been enrolled and are in follow up SOUTH SAN FRANCISCO, Calif., April 30, 2024 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering... Read More

SOUTH SAN FRANCISCO, Calif., April 02, 2024 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced the pricing of an underwritten offering of 14,478,764 shares of its common stock at a price of $5.18 per share. The gross proceeds from this offering are expected to be... Read More

Sutro highlighted luveltamab tazevibulin (luvelta) in a January 2024 investor webcast, describing the broad opportunity to address unmet needs in multiple FolRα-expressing cancers Compelling anti-leukemic activity of luvelta in pediatric patients with relapsed/refractory CBF2AT3-GLIS2 AML treated under Compassionate Use shown in data presented at ASH 2023 Jane Chung promoted to President and Chief Operating Officer in... Read More

SOUTH SAN FRANCISCO, Calif., Feb. 06, 2024 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that Bill Newell, Chief Executive Officer, will participate in three upcoming investor conferences. Conference Details: Oppenheimer 34th Annual Healthcare Life Sciences Conference... Read More

Ovarian cancer data supports registration-enabling trial of luvelta for women with platinum-resistant ovarian cancer Potential benefit to 8 out of 10 platinum-resistant ovarian cancer patients, including addressing unmet need in patients with low-medium FolRα expression Promising clinical activity and tolerability of luvelta as both a monotherapy and in combination across multiple cancers may provide for a significant... Read More

SOUTH SAN FRANCISCO, Calif., Dec. 14, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that it will host an investor webcast to highlight the broad opportunity for its foundational ADC program, Luveltamab tazevibulin (luvelta), a novel folate receptor-α (FolRα)... Read More

Complete remission seen in 42% of patients with CBF/GLIS AML with ≥5% blasts and 75% of pediatric patients with CBF/GLIS AML with <5% blasts; treatment with luvelta was either alone or in combination Luvelta was generally well-tolerated Data supports potential further development in CBF/GLIS AML SOUTH SAN FRANCISCO, Calif., Dec. 11, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a... Read More

SOUTH SAN FRANCISCO, Calif., Dec. 04, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that Bill Newell, Chief Executive Officer, will participate in a virtual fireside chat at the JMP Securities Hematology and Oncology Summit on Wednesday, December 6, 2023 at 2:30... Read More

SOUTH SAN FRANCISCO, Calif., Nov. 21, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced the promotion of Jane Chung to President and Chief Operating Officer, a newly created role, effective December 1, 2023. In this newly created position, Ms. Chung will be... Read More

Updated luvelta data from Compassionate Use Access demonstrating anti-leukemic activity in pediatric patients with relapsed/refractory CBF2AT3-GLIS2 AML to be presented in a poster at ASH 2023 Luvelta demonstrated encouraging preliminary anti-tumor activity in initial data from the Phase 1 dose-expansion study for patients with endometrial cancer presented at ESMO 2023 Dr. Hans-Peter Gerber joined Sutro as Chief Scientific... Read More

Luvelta demonstrated encouraging preliminary anti-tumor activity (29% response rate) in late-stage patients with recurrent/relapsed endometrial cancer with tumor proportion score (TPS) >25% FolRα expression Safety profile was consistent with prior data in patients with platinum-resistant ovarian cancer SOUTH SAN FRANCISCO, Calif., Oct. 22, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO),... Read More

SOUTH SAN FRANCISCO, Calif., Sept. 19, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced the appointment of Hans-Peter Gerber, Ph.D., as Chief Scientific Officer, effective September 18, 2023. Dr. Gerber brings over 25 years of drug discovery and development... Read More

SOUTH SAN FRANCISCO, Calif., Aug. 30, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that Bill Newell, Chief Executive Officer, will participate in two upcoming investor conferences. Presentation Details: Citi 18th Annual BioPharma Conference Format: Fireside Chat... Read More

Enrollment is underway for REFRaME-O1, the Phase 2/3 pivotal study of luveltamab tazevibulin, or luvelta, for patients with platinum-resistant ovarian cancer Sutro will present data from the Phase 1 dose expansion for luvelta for patients with endometrial cancers as a Mini Oral Session at ESMO 2023 Sutro announced a royalty monetization agreement with Blackstone Life Sciences in June 2023, under which Sutro received an... Read More

Sutro will receive $140 million upfront and is eligible to receive up to an additional $250 million in future milestone payments in exchange for the royalty, or revenue interest, in potential future sales of Vaxcyte’s products Transaction provides non-dilutive growth capital to Sutro for continued pipeline advancement and further development of its cell-free protein synthesis and site-specific conjugation technologies SOUTH... Read More

Consistent with data shared in January 2023, the presentation at ASCO 2023 highlights data from the Phase 1 dose-expansion study for luveltamab tazevibulin, or luvelta, in ovarian cancer, demonstrating that FolRα-selected patients, who represent 80% of the patient population, experienced substantial clinical benefit REFRaME-O1, the Phase 2/3 pivotal study of luvelta for patients with platinum-resistant ovarian cancer has... Read More

SOUTH SAN FRANCISCO, Calif., May 31, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that Bill Newell, Chief Executive Officer, will participate in a fireside chat at the Jefferies Healthcare Conference on Wednesday, June 7, 2023, at 4:30 p.m. ET/1:30 p.m. PT in... Read More

Data from the Phase 1 dose-expansion study for luveltamab tazevibulin, or luvelta, for patients with advanced ovarian cancer will be featured as an oral presentation at ASCO 2023 As presented at AACR 2023, STRO-003 demonstrated potent anti-tumor activity and immune-modulating properties in preclinical models, suggesting its potential to augment checkpoint blockade therapy As of March 31, 2023, Sutro had cash and investments... Read More

SOUTH SAN FRANCISCO, Calif., May 08, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that Bill Newell, Chief Executive Officer, will present at the JMP Securities Life Sciences Conference on Monday, May 15th, 2023, at 2:00 p.m. ET / 11:00 a.m. PT in New York City.... Read More

SOUTH SAN FRANCISCO, Calif., April 27, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced the Company’s President of Research & Chief Scientific Officer, Trevor Hallam, Ph.D., will be departing from his position effective May 31, 2023 and will immediately join the... Read More

ORLANDO, Fla., April 18, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced expanded preclinical data for STRO-003, its ROR1 targeting ADC, presented at the American Association for Cancer Research (AACR) Annual Meeting 2023, being held in Orlando, Florida from April... Read More

Sutro plans to initiate a Phase 2/3 registration-directed study of luvelta for patients with platinum resistant ovarian cancer in the second quarter Dr. Anne Borgman joined Sutro as Chief Medical Officer in February 2023 Sutro expanded its relationship with Vaxcyte through an option agreement for the development and manufacturing rights for cell-free extract As of year-end 2022, Sutro had cash and investments of $302.3... Read More

SOUTH SAN FRANCISCO, Calif., March 17, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that on March 1, 2023, the Compensation Committee of Sutro’s Board of Directors (i) granted to Anne Borgman, M.D. 175,000 shares of Sutro Biopharma stock options and 150,000... Read More

SOUTH SAN FRANCISCO, Calif., March 01, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that Bill Newell, Chief Executive Officer, will participate in an Ovarian Cancer panel discussion at the Cowen 43 rd Annual Health Care Conference on Wednesday, March 8, 2023, at... Read More

SOUTH SAN FRANCISCO, Calif., Feb. 28, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced the appointment of Anne Borgman, M.D., as Chief Medical Officer, effective February 28, 2023. Dr. Borgman brings over 20 years of oncology and hematology drug development... Read More

SOUTH SAN FRANCISCO, Calif., Feb. 17, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that on February 15, 2023, the Compensation Committee of Sutro’s Board of Directors granted 90,000 shares of Sutro Biopharma stock options and 130,000 restricted stock units... Read More

Results from the STRO-002 (luvelta) Phase 1 dose-expansion study demonstrate that FolRα-selected patients experienced meaningful clinical benefit, with 43.8% ORR, median DOR of 5.4 months, and median PFS of 6.6 months at the higher starting dose of 5.2mg/kg Meaningful clinical benefit was observed in FolRα-selected patients, defined as TPS>25%, which is potentially 80% of the advanced ovarian cancer patient population Safety... Read More

SOUTH SAN FRANCISCO, Calif., Jan. 04, 2023 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced that Bill Newell, Chief Executive Officer, will present at the 41st Annual J.P. Morgan Healthcare Conference on Thursday, January 12, 2023, at 11:15 a.m. PT / 2:15 p.m. ET in San... Read More

Conference call and webcast to be held on Monday, January 9, 2023 at 1:30 pm PT, or 4:30 pm ET SOUTH SAN FRANCISCO, Calif., Dec. 21, 2022 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro or the Company) (NASDAQ: STRO), a clinical-stage oncology company pioneering site-specific and novel-format antibody drug conjugates (ADCs), today announced it will host a conference call and webcast to present data from its Phase 1... Read More

New Agreement Provides Vaxcyte Access to Expanded Rights to Develop and Manufacture Cell-Free Extract, a Key Component of Vaxcyte's Vaccine Candidates Sutro to Receive $22.5 Million in Upfront Payments and is Eligible for Up to an Additional $135 Million Pending Option Exercise and from Other Milestones SOUTH SAN FRANCISCO, Calif. and SAN CARLOS, Calif., Dec. 20, 2022 (GLOBE NEWSWIRE) -- Sutro Biopharma, Inc. (Sutro)... Read More

A total of 17 pediatric patients were treated with STRO-002 on a compassionate use basis; eight patients achieved complete remission, of which seven patients were MRD negative Safety and efficacy profile in this patient population provides added confidence to advance clinical development of STRO-002, which is currently being studied in patients with advanced ovarian and endometrial cancers FDA recently granted Orphan Drug... Read More