SPROHIGH SIGNALOPERATIONAL10-K

SPRO has dramatically reduced its R&D spending while discontinuing two drug development programs (SPR206 and SPR720) to focus exclusively on tebipenem HBr development.

This represents a major strategic pivot for the biotech company, with management essentially betting the company's future on a single drug program in partnership with GSK. The cessation of two programs signals either resource constraints or strategic repositioning, while the shift in responsibility language regarding FDA approval (from GSK obtaining approval to SPRO's ability to realize value depending on FDA approval) suggests potential changes in the partnership dynamics.

Comparing 2026-03-26 vs 2025-03-27View on EDGAR →
FINANCIAL ANALYSIS

The company's financial profile shows a substantial reduction in R&D expenses alongside meaningfully higher revenue and dramatically lower total liabilities. Cash reserves declined modestly to $40.3M while stockholders' equity improved to $59.0M. The significant liability reduction combined with lower operating cash burn suggests successful cost management, though the company remains cash-flow negative as it continues developing its remaining drug program.

FINANCIAL STATEMENT CHANGES
Total Liabilities
Balance Sheet
-84.6%
$64.4M$9.9M

Liabilities reduced 84.6% — deleveraging improves balance sheet strength and financial flexibility.

Current Liabilities
Balance Sheet
-81.9%
$49.1M$8.9M

Current liabilities reduced — improved short-term financial position and working capital health.

R&D Expense
P&L
-60.2%
$96.8M$38.5M

R&D spending cut 60.2% — could signal cost discipline or concerning reduction in innovation investment.

Capital Expenditure
Cash Flow
-50%
$314K$157K

Capex reduced 50% — investment cycle winding down or capital discipline; may improve near-term free cash flow.

Operating Cash Flow
Cash Flow
+46.2%
-$23.4M-$12.6M

Operating cash flow surged 46.2% — exceptional cash generation, highest quality earnings signal.

Revenue
P&L
+39.2%
$48.0M$66.8M

Strong top-line growth of 39.2% — accelerating demand or successful expansion into new markets.

Total Assets
Balance Sheet
-37.7%
$110.5M$68.9M

Total assets contracted 37.7% — asset sales, write-downs, or balance sheet optimization underway.

Current Assets
Balance Sheet
-37.3%
$107.3M$67.3M

Current assets declined 37.3% — monitor working capital adequacy and short-term liquidity.

Stockholders Equity
Balance Sheet
+28%
$46.1M$59.0M

Equity base grew 28% — retained earnings accumulation or equity issuance strengthening the balance sheet.

Cash & Equivalents
Balance Sheet
-23.9%
$52.9M$40.3M

Cash decreased 23.9% — monitor burn rate and upcoming capital needs.

LANGUAGE CHANGES
NEW — 2026-03-26
PRIOR — 2025-03-27
ADDED
As of March 20, 2026, there were 57,891,493 shares of the registrant s common stock, $0.001 par value per share, outstanding.
These forward-looking statements include, but are not limited to, statements about: our estimates regarding expenses, future revenue and capital requirements and our expectations regarding our ability to fund our operating expenses and capital expenditure requirements with our cash and cash equivalents; the initiation, timing, design, progress and results of any preclinical studies and clinical trials, and our research and development programs; the regulatory path forward for tebipenem HBr and the potential approval of tebipenem HBr by the U.S.
These risks and uncertainties include, but are not limited to, the following: As of March 2025, we have ceased development of our SPR206 program, and as of November 2025, we have ceased development of our SPR720 oral program, and have shifted our focus and resources to advancing the development of the tebipenem HBr program, as well as other corporate activities.
If we fail to execute successfully on this re-prioritized strategic focus, or our collaboration with GSK fails to advance the development of the tebipenem HBr program, our business and prospects may be materially adversely affected.
Our ability to realize the value of tebipenem HBr depends on obtaining FDA approval.
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REMOVED
As of March 21, 2025, there were 55,900,641 shares of the registrant s common stock, $0.001 par value per share, outstanding.
These risks and uncertainties include, but are not limited to, the following: Our ability to realize the value of tebipenem HBr depends on our commercial partner, GSK, obtaining FDA approval.
Pursuant to our previously announced restructuring, we have suspended development of our SPR720 oral program and have shifted our focus and resources to advancing the clinical development of our tebipenem HBr program, as well as other corporate activities.
If we fail to execute successfully on this re-prioritized strategic focus, our business and prospects may be materially adversely affected.
The report of our auditor on our consolidated financial statements expresses substantial doubt about our ability to continue as a going concern; if we are unable to obtain additional capital, we may not be able to continue our operations on the scope or scale as currently conducted, and that could have a material adverse effect on our business, results of operations and financial condition.
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