Related Party Transactions	6 Months Ended
Jun. 30, 2022
Related Party Transactions [Abstract]
Related Party Transactions	6. Related Party Transactions Technology license agreement In March 2018, the Company, Oxford University Innovation Limited (OUI), and the Medical Research Council of United Kingdom Research and Innovation, or MRC (or collectively the Licensors), entered into a license of technology agreement, or the License Agreement, which was subsequently amended in December 2018 and further amended and restated in November 2020. The Licensors and affiliates hold shares of the Company's common stock. The License Agreement provides the Company with an exclusive world-wide license to licensed data and technology owned by OUI and MRC in respect of cell penetrating peptides for treatment of Duchenne muscular dystrophy, spinal muscular atrophy, and other conditions. The License Agreement provides the Company with the rights to grant and authorize sublicenses to make, use, sell, and import products and otherwise exploit the patent rights. As consideration for the license, the Company made an initial upfront payment in 2018 of $0.1 million upon transfer of the license technology and data and in 2020 upon amending and restating the License Agreement made two additional payments each of $19,000 for a Restatement Completion Fee and License Data Fee. The Company determined that the upfront payment and subsequent Restatement Completion Fee and License Data Fee as part of the license agreement would be expensed upon execution of the original contract and subsequent amendment as the license was acquired for research and development purposes which does not have alternative future uses, and the underlying technology has not reached technological feasibility. The Company could be required to make milestone payments to the Licensors upon completion of certain patent and commercial milestones related to the patents and commercialization of certain of the Company’s product candidates. The aggregate potential milestone payments are $0.1 million. The Company also agreed to pay the Licensors low single digit royalties on net sales of any licensed products that are commercialized by the Company or sublicensees in excess of a threshold amount between £20 million and £30 million ($24.6 million and $36.9 million as of June 30, 2022), subject to certain adjustments. The term of the License Agreement continues until the later of (i) the date on which all the patents and patent applications covered thereunder have been abandoned or allowed to lapse or expired or been rejected or revoked or (ii) 20 years from the date of the original agreement. Upon completion of the Company’s IPO in May 2022, the Company became obligated to pay OUI an exit fee between 0.5% to 2% of the value determined in an acquisition or IPO, not to exceed £5 million ($6.2 million as of the IPO date) (See Note 6). The exit fee due to OUI, based on the IPO raise, was $1.4 million, which was paid during the second quarter of 2022 and charged to research and development expense. Additionally, the Company pays office space rent to OUI. For the three and six months ended June 30, 2022 total rent expense and other costs paid to OUI and affiliates was $0.1 million and $0.2 million, in each case. Services agreement In November 2020, the Company entered into an agreement, or the Services Agreement, with Carnot Pharma, LLC, or Carnot, under which Carnot provides research and other services to the Company. Carnot is an entity controlled by RA Capital Management, L.P. Entities affiliated with RA Capital Management, L.P. purchased shares of Series A-2 convertible preferred stock in the Company’s preferred stock financing in November of 2020 and May and July of 2021, which were converted to shares of the Company's common stock in connection with the IPO. In addition, entities affiliated with RA Capital Management, L.P. purchased shares of our Series B convertible preferred stock in the Company’s preferred stock financing in July 2021 which were also converted into shares of the Company's common stock in connection with the IPO. One member of the Company’s Board of Directors is also affiliated with RA Capital Management, L.P. Under the terms of the Services Agreement, the Company compensates Carnot on a fully burdened cost basis for personal time devoted to Company projects. In addition, the Company reimburses Carnot on a costs basis for any subcontractor costs incurred. The Company pays Carnot on a quarterly basis, in arrears, for services performed and costs incurred. The Services Agreement is for a term of the later of (A) two (2) years and (B) the later of (a) completion of the Services or (b) latest-to-occur delivery of a final report or any other items required to be delivered to the Company under the last ongoing project as part of the services, if any. The Company may terminate the services agreement by giving 30 days’ prior notice and either party can terminate the services agreement for a material breach, if not cured within 30 days following notice by the nonbreaching party. The services agreement was terminated on April 15, 2022. Expenses incurred by the Company under the Services Agreement with Carnot for the six months ended June 30, 2022 and June 30, 2021, totaled $0.1 million and $0.4 million, respectively. As of June 30, 2022 and December 31, 2021, included in accounts payable was approximately $0 and $2,600 that was due to Carnot by the Company for services rendered under the Services Agreement, respectively.

Related Party Transactions

6 Months Ended

Jun. 30, 2022

6. Related Party Transactions

Technology license agreement

In March 2018, the Company, Oxford University Innovation Limited (OUI), and the Medical Research Council of United Kingdom Research and Innovation, or MRC (or collectively the Licensors), entered into a license of technology agreement, or the License Agreement, which was subsequently amended in December 2018 and further amended and restated in November 2020. The Licensors and affiliates hold shares of the Company's common stock. The License Agreement provides the Company with an exclusive world-wide license to licensed data and technology owned by OUI and MRC in respect of cell penetrating peptides for treatment of Duchenne muscular dystrophy, spinal muscular atrophy, and other conditions. The License Agreement provides the Company with the rights to grant and authorize sublicenses to make, use, sell, and import products and otherwise exploit the patent rights.

As consideration for the license, the Company made an initial upfront payment in 2018 of $0.1 million upon transfer of the license technology and data and in 2020 upon amending and restating the License Agreement made two additional payments each of $19,000 for a Restatement Completion Fee and License Data Fee. The Company determined that the upfront payment and subsequent Restatement Completion Fee and License Data Fee as part of the license agreement would be expensed upon execution of the original contract and subsequent amendment as the license was acquired for research and development purposes which does not have alternative future uses, and the underlying technology has not reached technological feasibility.

The Company could be required to make milestone payments to the Licensors upon completion of certain patent and commercial milestones related to the patents and commercialization of certain of the Company’s product candidates. The aggregate potential milestone payments are $0.1 million. The Company also agreed to pay the Licensors low single digit royalties on net sales of any licensed products that are commercialized by the Company or sublicensees in excess of a threshold amount between £20 million and £30 million ($24.6 million and $36.9 million as of June 30, 2022), subject to certain adjustments. The term of the License

Agreement continues until the later of (i) the date on which all the patents and patent applications covered thereunder have been abandoned or allowed to lapse or expired or been rejected or revoked or (ii) 20 years from the date of the original agreement.

Upon completion of the Company’s IPO in May 2022, the Company became obligated to pay OUI an exit fee between 0.5% to 2% of the value determined in an acquisition or IPO, not to exceed £5 million ($6.2 million as of the IPO date) (See Note 6). The exit fee due to OUI, based on the IPO raise, was $1.4 million, which was paid during the second quarter of 2022 and charged to research and development expense.

Additionally, the Company pays office space rent to OUI. For the three and six months ended June 30, 2022 total rent expense and other costs paid to OUI and affiliates was $0.1 million and $0.2 million, in each case.

Services agreement

In November 2020, the Company entered into an agreement, or the Services Agreement, with Carnot Pharma, LLC, or Carnot, under which Carnot provides research and other services to the Company. Carnot is an entity controlled by RA Capital Management, L.P. Entities affiliated with RA Capital Management, L.P. purchased shares of Series A-2 convertible preferred stock in the Company’s preferred stock financing in November of 2020 and May and July of 2021, which were converted to shares of the Company's common stock in connection with the IPO. In addition, entities affiliated with RA Capital Management, L.P. purchased shares of our Series B convertible preferred stock in the Company’s preferred stock financing in July 2021 which were also converted into shares of the Company's common stock in connection with the IPO. One member of the Company’s Board of Directors is also affiliated with RA Capital Management, L.P.

Under the terms of the Services Agreement, the Company compensates Carnot on a fully burdened cost basis for personal time devoted to Company projects. In addition, the Company reimburses Carnot on a costs basis for any subcontractor costs incurred. The Company pays Carnot on a quarterly basis, in arrears, for services performed and costs incurred. The Services Agreement is for a term of the later of (A) two (2) years and (B) the later of (a) completion of the Services or (b) latest-to-occur delivery of a final report or any other items required to be delivered to the Company under the last ongoing project as part of the services, if any. The Company may terminate the services agreement by giving 30 days’ prior notice and either party can terminate the services agreement for a material breach, if not cured within 30 days following notice by the nonbreaching party. The services agreement was terminated on April 15, 2022.

Expenses incurred by the Company under the Services Agreement with Carnot for the six months ended June 30, 2022 and June 30, 2021, totaled $0.1 million and $0.4 million, respectively. As of June 30, 2022 and December 31, 2021, included in accounts payable was approximately $0 and $2,600 that was due to Carnot by the Company for services rendered under the Services Agreement, respectively.