| Balance Sheets | 2025-09-30 | 2025-06-30 | ||
|---|---|---|---|---|
| Cash and cash equivalents | 50,831 | 40,985 | ||
| Marketable securities, current | 197,498 | 221,586 | ||
| Prepaid expenses and other current assets | 3,999 | 4,175 | ||
| Total current assets | 252,328 | 266,746 | ||
| Property and equipment, net | 2,144 | 2,246 | ||
| Marketable securities, noncurrent | 76,671 | 74,699 | ||
| Restricted cash | 962 | 962 | ||
| Operating lease right-of-use asset | 7,165 | 7,395 | ||
| Other assets | 0 | 0 | ||
| Total assets | 339,270 | 352,048 | ||
| Accounts payable | 1,481 | 914 | ||
| Accrued expenses | 6,929 | 5,468 | ||
| Operating lease liability, current | 1,217 | 1,168 | ||
| Other current liabilities | 224 | - | ||
| Total current liabilities | 9,851 | 7,550 | ||
| Operating lease liability, noncurrent | 7,751 | 8,069 | ||
| Total liabilities | 17,602 | 15,619 | ||
| Convertible preferred stock, value-Series Seed Convertible Preferred Stock | 0 | 0 | ||
| Convertible preferred stock, value-Series AConvertible Preferred Stock | 0 | 0 | ||
| Convertible preferred stock, value-Series BConvertible Preferred Stock | 0 | 0 | ||
| Convertible preferred stock, value-Series CConvertible Preferred Stock | 0 | 0 | ||
| Convertible preferred stock, value | 0 | 0 | ||
| Common stock, 0.001 par value, 500,000,000 and 55,200,000 shares authorized as of september30, 2025 and december31, 2024, respectively 44,463,527 and 4,798,721 shares issued, 44,463,527 and 4,722,763 shares outstanding as of september30, 2025 and december31, 2024, respectively | 44 | 44 | ||
| Additional paid-in capital | 557,118 | 551,838 | ||
| Accumulated other comprehensive income | 420 | 183 | ||
| Accumulated deficit | -235,914 | -215,636 | ||
| Total stockholders equity (deficit) | 321,668 | 336,429 | ||
| Total liabilities, convertible preferred stock and stockholders equity (deficit) | 339,270 | 352,048 | ||
Sionna Therapeutics, Inc. (SION)
Sionna Therapeutics, Inc. (SION)