had an accumulated deficit of $549.6 million. We expect to continue to incur significant expenses and increasing operating losses for the foreseeable future in connection with our ongoing activities, including the commercialization of AT 007. Furthermore, we expect to incur additional costs associated with operating as a public company, including significant legal, accounting, investor relations and other expenses. As of June 30, 2024, we had cash and cash equivalents of $122.2 million.
April 2023 Private Placement
On April 26, 2023, we completed the April 2023 Private Placement, in which we sold a total of 9,735,731 shares of common stock, at a purchase price of $0.946 per share, and 22,000,000 Pre-Funded Warrants to purchase common stock, at a purchase price of $0.945 per Pre-Funded Warrant, in a private placement to a select group of accredited investors (the “2023 Purchasers”), pursuant to a Securities Purchase Agreement, dated as of April 23, 2023, by and between us and the 2023 Purchasers. The April 2023 Private Placement resulted in net proceeds to us of approximately $27.5 million, after deducting underwriting discounts, commissions and offering expenses. The Pre-Funded Warrants are immediately exercisable from the date of issuance and do not have an expiration date. They have an exercise price of $0.001. Holders may not exercise any Pre-Funded Warrants that would cause the aggregate number of shares of common stock beneficially owned by the holder to exceed 9.99% of our outstanding common stock immediately after exercise. The Pre-Funded Warrants are subject to adjustment in the event of certain stock dividends and distributions, stock splits, stock combinations, reclassifications or similar events affecting the common stock and also upon any distributions for no consideration of assets to our stockholders. In the event of certain corporate transactions, the holders of the Pre-Funded Warrants will be entitled to receive, upon exercise of the Pre-Funded Warrants, the kind and amount of securities, cash or other property that the holders would have received had they exercised the Pre-Funded Warrants immediately prior to such transaction. The Pre-Funded Warrants do not entitle the holders thereof to any voting rights or any of the other rights or privileges to which holders of common stock are entitled.
Leerink ATM Agreement
On August 11, 2023, we entered into the Leerink ATM Agreement with Leerink Partners LLC, pursuant to which we may offer and sell, from time to time, shares of common stock having an aggregate offering price of up to $75.0 million through Leerink Partners LLC as sales agent. Under the Leerink ATM Agreement, the sales agent may sell shares of common stock by any method permitted by law deemed to be an “at the market offering” as defined in Rule 415(a)(4) of the Securities Act of 1933, as amended. We will pay the sales agent a commission rate of up to 3% of the gross offering proceeds of any shares sold and has agreed to provide the sales agent with indemnification and contribution against certain liabilities. The Leerink ATM Agreement contains customary representations and warranties.
As of June 30, 2024, we had sold an aggregate of 20,615,976 shares of our common stock, pursuant to the Leerink ATM Agreement with an average sale price of $3.36 per share, resulting in net proceeds of $49.3 million, after deducting underwriting discounts, commissions and offering expenses.
Venrock Warrant Exchange
On October 12, 2023, we entered into the Exchange Agreement with entities affiliated with Venrock Healthcare Capital Partners, pursuant to which we exchanged an aggregate of 5,658,034 shares of common stock, owned by the Exchanging Stockholders for pre-funded warrants to purchase an aggregate of 5,658,034 shares of common stock (subject to adjustment in the event of stock splits, recapitalizations and other similar events affecting common stock), with an exercise price of $0.001 per share.
March 2024 Private Placement
On March 1, 2024, we completed the March 2024 Private Placement, during which we sold a total of 12,285,714 common shares, at a purchase price of $7.00 per share, and 2,000,000 Pre-Funded Warrants at a purchase price of $6.999 per Pre-Funded Warrant, in a private placement to a select group of purchasers (the “2024 Purchasers”) pursuant to a Securities Purchase Agreement (the “Securities Purchase Agreement”). The March 2024 Private Placement