Exhibit 99.1 Pyxis Oncology Provides Corporate Update and Reports Financial Results for First Quarter 2024 May 14, 2024 PYX-201 Phase 1 trial clinical readout on track for fall of 2024 Executive Leadership Team expanded with the appointment of Stephen Worsley as Senior Vice President, Chief Business Officer PYX-106 Phase 1 trial clinical readout on track for 2H 2024 Expected cash runway into 2H 2026 BOSTON, May 14, 2024 (GLOBE NEWSWIRE) -- Pyxis Oncology, Inc. (Nasdaq: PYXS), a clinical stage company focuse ...

PYX-201 Phase 1 trial clinical readout on track for fall of 2024 Executive Leadership Team expanded with the appointment of Stephen Worsley as Senior Vice President, Chief Business Officer PYX-106 Phase 1 trial clinical readout on track for 2H 2024 Expected cash runway into 2H 2026 BOSTON, May 14, 2024 (GLOBE NEWSWIRE) -- Pyxis Oncology, Inc. (NASDAQ:PYXS), a clinical stage company focused on developing next generation therapeutics to target difficult-to-treat cancers, today reported financial results for t ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-40881 Pyxis Oncology, Inc. (Exact name of Registrant as specified in its Charter) Delaware 83-1160910 (State or other jurisdiction of ...

Exhibit 99.1 Pyxis Oncology Provides Corporate Update and Reports Financial Results for Fourth Quarter and Full Year 2023 March 21, 2024 PYX-201 Phase 1 Part 1 trial progressing with initial data expected in the fall of 2024 PYX-106 Phase 1 trial progressing with initial data expected 2H 2024 Completed $50 million private placement Expected cash runway into 2H 2026 BOSTON, March 21, 2024 (GLOBE NEWSWIRE) -- Pyxis Oncology, Inc. (Nasdaq: PYXS), a clinical stage company focused on developing next generation t ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-40881 Pyxis Oncology, Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 83-1160910 (State or other jurisdiction of (I.R.S. Employer incorpor ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-40881 Pyxis Oncology, Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 83-1160910 (State or other jurisdiction of (I.R.S. Employer incorporation ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-40881 Pyxis Oncology, Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 83-1160910 (State or other jurisdiction of (I.R.S. Employer incorporatio ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-40881 Pyxis Oncology, Inc. (Exact name of Registrant as specified in its Charter) Delaware 83-1160910 (State or other jurisdiction of ...