Agreement”) upon meeting certain financing milestones. The 2022 License Agreement covers the rights to DA-1241 for treatment of MASH and DA-1726 for treatment of obesity and MASH. The 2022 License Agreement also provides that we may develop DA-1241 for the treatment of type 2 diabetes mellitus.
In connection with the 2022 License Agreement, we entered into a shared services agreement with Dong-A (the “Shared Services Agreement”), relating to DA-1241 and DA-1726, pursuant to which Dong-A may provide technical support, preclinical development, and clinical trial support services on terms and conditions acceptable to both parties. In addition, the Shared Services Agreement provides that Dong-A will manufacture all of our clinical requirements of DA-1241 and DA-1726 under the terms provided in the Shared Services Agreement.
We incurred R&D expenses of $3.4 million and $3.6 million for the three and six months ended June 30, 2024, respectively, and $1.5 million and $1.8 million for the three and six months ended June 30, 2023, respectively, under the Shared Services Agreement, which are included in operating expenses: research and development in the accompanying condensed consolidated statements of operations. We have an aggregate payable to Dong-A of $3.6 million and $0.8 million as of June 30, 2024 and December 31, 2023, respectively, under the Shared Services Agreement, which are included in related party payable in the accompanying condensed consolidated balance sheets.
For additional information on the 2022 License Agreement, the Shared Service Agreement and other agreements with Dong-A, refer to “Note 5. Related party” in the audited consolidated financial statements and notes thereto for the year ended December 31, 2023, which is included in our 2023 Form 10-K.
7. Commitments and contingencies
Operating lease
In August 2023, we entered into a non-cancelable operating lease for our new corporate headquarters in Cambridge, Massachusetts. The initial lease term is for three years with an option to renew for an additional two-year term. The lease commenced in September 2023 and expires in August 2026. We recorded lease rental expense of $22 thousand and $44 thousand for the three and six months ended June 30, 2024, respectively, and we made cash lease payments of $21 thousand and $43 thousand during the three and six months ended June 30, 2024.
Our lease liability, which represents the net present value of future lease payments, was calculated utilizing a discount rate of 11%, which corresponds to our estimated incremental borrowing rate.
Additionally, we had short-term operating leases for our former corporate headquarters located in Boston, Massachusetts and such lease was terminated in January 2024. For our former corporate headquarters, no rental expenses were recorded for the three months and six months ended June 30, 2024, and we recorded rental expense of $6 thousand and $11 thousand for the three and six months ended June 30, 2023, respectively.
8.Stockholders’ equity
June 2024 offering
Securities purchase agreements
In June 2024, we entered into and closed on two securities purchase agreements (the “Offering”) with an institutional accredited investor and Dong-A, and received aggregate gross proceeds of $20.0 million, of which $10.0 million was received from Dong-A. The Offering was comprised of (i) 3,307,889 shares of common stock at a purchase price of $3.93 per share, (ii) pre-funded warrants to purchase up to 1,781,171 shares of common (the “Pre-Funded Warrants”) at a purchase price of $3.929 per warrant, (iii) Series A warrants to purchase 5,089,060 shares of common stock (the “Series A Warrants”), and (iv) Series B warrants to purchase up to 7,633,591 shares of common stock (the “Series B Warrants”). Collectively, the Series A Warrants and the Series B Warrants are referred to as “PIPE Common Warrants.” Of the total shares of common stock issued in the Offering, 763,359 shares were sold to an institutional investor pursuant to our