MoonLake Immunotherapeutics (MLTX) SEC Filings & Earnings Calls
EquiReason read 19 MoonLake Immunotherapeutics SEC filings in the last 12 months. Latest: 8-K on 2026-09-30 — MoonLake submitted a BLA to FDA for sonelokimab in hidradenitis suppurativa; awaiting acceptance and review timeline..
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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Every filing, read
last 12 months · SECWhat happened, the numbers inside, guidance and risks. The original is one click away.
30 Sep 20268-K · 8.01MoonLake submitted a BLA to FDA for sonelokimab in hidradenitis suppurativa; awaiting acceptance and review timeline.open
Risks flagged
Regulatory risk: FDA may not accept BLA or may delay review; approval uncertain.
“expects to be notified by the FDA whether the BLA submission is accepted for review within approximately 60 days” · word for word
10 Aug 20268-K · 2.02, 7.01Phase 3 IZAR-1 trial of sonelokimab in psoriatic arthritis met all clinical endpoints at Week 16, including primary endpoint ACR50 (42.1%), with strong efficacy across multiple domains and no new safety signals.open
Figures in the filing · each found in the filing text
| Cash, cash equivalents and short-term marketable debt securities · Q2-2026 | $537M | |
| Non-dilutive funds available through debt facility · Q2-2026 | $400M |
Risks flagged
Clinical trial failure pressure for pipeline assets if subsequent trials fail
“IZAR-2 trial in TNF-refractory patients still enrolling; full readout of IZAR-1 at Week 52 expected H1 2027.”
10 Aug 202610-QMoonLake reported Q2 2026 results with positive clinical data for SLK in HS and PsA, strong cash position, and BLA submission timeline.earningsopen
Figures in the filing · each found in the filing text
| Cash, cash equivalents, and short-term marketable securities · Q2-2026 | $537M |
Risks flagged
Single asset dependency
“We are currently a single asset company focused on the development of SLK, a novel tri-specific IL-17A and IL-17F inhibiting Nanobody, that we exclusively licensed from MHKDG” · word for word
No approved products or revenue
“We do not have any product candidates approved for commercial sale, and we have not generated any revenue from product sales.” · word for word
Clinical and regulatory uncertainty
“Clinical development involves a lengthy and expensive process with uncertain outcomes and is subject to risks described in” · word for word
15 Jul 20268-K · 8.01Underwriters exercised option to purchase 1,500,000 additional shares, raising $30M gross proceeds in a follow-on public offering.open
Figures in the filing · each found in the filing text
| Gross proceeds from option exercise · Q3-2026 | $30M |
Risks flagged
Dilution risk from additional share issuance
“1,500,000 additional shares issued”
29 Jun 2026SC 13D/ABVF Partners group filed an amended Schedule 13D disclosing 19.7% beneficial ownership of MoonLake Immunotherapeutics, with stated purpose for general investment.open
Risks flagged
Dilution risk from equity offering
“The aggregate percentage of Shares reported owned by each person named herein is based on 81,134,066 Shares outstanding as of June 25, 2026, which is the total number of Shares outstanding following the closing of the Issuer's offering as reported in the Issuer's Prospectus Supplement filed with the Securities and Exchange Commission on June 24, 2026.” · word for word
29 Jun 2026SC 13D/ABVF Partners group filed an amended Schedule 13D disclosing 19.7% beneficial ownership of MoonLake Immunotherapeutics, with stated purpose for general investment.open
Risks flagged
Dilution risk from equity offering
“The aggregate percentage of Shares reported owned by each person named herein is based on 81,134,066 Shares outstanding as of June 25, 2026, which is the total number of Shares outstanding following the closing of the Issuer's offering as reported in the Issuer's Prospectus Supplement filed with the Securities and Exchange Commission on June 24, 2026.” · word for word
25 Jun 20268-K · 1.01MoonLake Immunotherapeutics entered into an underwriting agreement for a public offering of 9,000,000 shares and pre-funded warrants, with gross proceeds of $200 million.open
Risks flagged
High dilution risk from large share issuance.
“9,000,000 shares offered, plus option for 1,500,000 additional shares.”
22 Jun 20268-K · 7.01, 8.01MoonLake Immunotherapeutics announced Week 52 results from Phase 3 VELA trials (VELA-1 and VELA-2) for sonelokimab in hidradenitis suppurativa, plus interim analysis of VELA-TEEN trial.open
Risks flagged
Regulatory and commercial risks remain; BLA submission and FDA approval not guaranteed.
“Plans for BLA submission; regulatory approval process.”
9 Jun 20268-K · 5.02, 5.07MoonLake Immunotherapeutics held its annual meeting; shareholders approved amendment and restatement of 2022 Equity Incentive Plan, increasing shares available by 5,000,000, and ratified auditor.open
Risks flagged
Potential dilution from increased share authorization for equity awards.
“increase the number of Class A Ordinary Shares available for stock-based awards by 5,000,000 shares” · word for word
11 May 202610-QMoonLake reported Q1 2026 results with no revenue, cash of $357.9M, and provided updates on Phase 3 HS trials and BLA timeline.earningsopen
Figures in the filing · each found in the filing text
| Cash, cash equivalents, and short-term marketable securities · Q1-2026 | $358M |
Risks flagged
Single asset dependency
“We are substantially dependent on the success of our novel tri-specific Nanobody®, Sonelokimab ('SLK', also known as M1095/ALX 0761), which we license from Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany ('MHKDG').” · word for word
No approved products or revenue
“We do not have any product candidates approved for commercial sale, and we have not generated any revenue from product sales.” · word for word
Clinical trial failure risk
“We may never succeed in achieving regulatory approval for SLK. We may obtain unexpected results from our clinical trials.” · word for word
11 May 20268-K · 2.02, 7.01Positive final pre-BLA meeting with FDA for sonelokimab in hidradenitis suppurativa; alignment on submission plans and label strategy. BLA submission planned for end of September 2026. Also reported Q1 2026 financials with $357.9M cash.open
Figures in the filing · each found in the filing text
| Cash, cash equivalents and short-term marketable debt securities · Q1-2026 | $358M | |
| Research and development expenses · Q1-2026 | $55M | |
| General and administrative expenses · Q1-2026 | $16M |
Risks flagged
BLA submission and FDA approval are not guaranteed; regulatory risks remain.
“BLA submission planned for end of September 2026; acceptance and Priority Review decision expected by end of November 2026.”
Increased G&A expenses due to stock option cancellation may indicate one-time costs.
“General and administrative expenses increased to $15.5 million from $9.2 million, primarily due to $4.8 million in accelerated expense recognition from voluntary cancellation of unvested stock option awards.”
21 Apr 2026DEF 14AProxy statement for 2026 annual meeting; proposes equity plan amendment to increase share pool by 5 million shares.open
Figures in the filing · each found in the filing text
| Net loss · FY2025 | $-227M | |
| Total Shareholder Return (TSR) · FY2025 | $133.00 |
2 Apr 2026SC 13D/ABVF group filed an amended Schedule 13D disclosing a reduction in stake via a sale of 3,750,000 shares on March 31, 2026, but remains the largest shareholder with 22.3% ownership; no activist intent stated.open
Figures in the filing · each found in the filing text
| Beneficial ownership percentage (BVF GP Holdings LLC) · 2026-03-31 | 20.8% | |
| Beneficial ownership percentage (Biotechnology Value Fund L P) · 2026-03-31 | 11.6% | |
| Beneficial ownership percentage (Biotechnology Value Fund II LP) · 2026-03-31 | 9.2% | |
| Beneficial ownership percentage (Biotechnology Value Trading Fund OS LP) · 2026-03-31 | 1.4% |
2 Apr 2026SC 13D/ABVF group filed an amended Schedule 13D disclosing a reduction in stake via a sale of 3,750,000 shares on March 31, 2026, but remains the largest shareholder with 22.3% ownership; no activist intent stated.open
Figures in the filing · each found in the filing text
| Beneficial ownership percentage (BVF GP Holdings LLC) · 2026-03-31 | 20.8% | |
| Beneficial ownership percentage (Biotechnology Value Fund L P) · 2026-03-31 | 11.6% | |
| Beneficial ownership percentage (Biotechnology Value Fund II LP) · 2026-03-31 | 9.2% | |
| Beneficial ownership percentage (Biotechnology Value Trading Fund OS LP) · 2026-03-31 | 1.4% |
25 Feb 202610-KMoonLake reported positive Phase 3 VELA program data for SLK in HS, with FDA confirming BLA can be submitted without additional trials, and positive Phase 2 data in axSpA and PPP.open
Figures in the filing · each found in the filing text
| VELA-1 HiSCR75 response rate at week 16 · HS · 2025 | 34.0% | |
| VELA-1 HiSCR75 response rate at week 52 (as-observed) · HS · 2026 | 69.0% | |
| VELA-2 HiSCR75 response rate at week 52 (as-observed) · HS · 2026 | 67.0% | |
| VELA-TEEN HiSCR75 response rate at week 16 · HS (adolescent) · 2026 | 67.0% | |
| S-OLARIS ASAS40 response rate at week 12 · axSpA · 2026 | 81.0% | |
| LEDA mean PPPASI change from baseline at week 16 · PPP · 2025 | -64.0% | |
| LEDA PPPASI75 response rate at week 16 · PPP · 2025 | 39.0% |
Risks flagged
Single-asset dependency
“We are currently a single asset company focused on the development of SLK” · word for word
Clinical trial failure risk
“VELA-2 did not achieve statistical significance on the primary endpoint using the composite strategy (p=0.053)”
Regulatory approval uncertainty
“we have no products approved for commercial sale” · word for word
Need for additional capital
“we require substantial additional capital to finance our operations” · word for word
Competition
“competition and competitive pressures from other global companies in the industries in which we operate” · word for word
23 Feb 20268-K · 1.01, 2.02, 2.03, 5.02, 7.01, 8.01MoonLake announces positive Phase 2 S-OLARIS topline results for sonelokimab in axial spondyloarthritis: 81% of patients achieved ASAS40 at Week 12, with consistent improvements in imaging and biomarker data. Safety profile consistent withopen
Figures in the filing · each found in the filing text
| Cash, cash equivalents and short-term marketable debt securities · consolidated · Q4-2025 | $394M | |
| Equity raise gross proceeds · consolidated · 2026-02-22 | $75M | |
| Debt facility drawdown · consolidated · 2026-02-22 | $25M | |
| Available non-dilutive funds · consolidated · 2026-02-22 | $400M |
Risks flagged
Clinical-stage biotech risk: Positive Phase 2 data but仍需 regulatory approval and Phase 3 success for commercialization.
“Data from this clinical trial further strengthens the potential of SLK in treating a wide array of inflammatory diseases and represents the fifth indication with positive data.” · word for word
Board resignation: Simon Sturge resigns from Board effective Feb 28, 2026, though stated as non-disagreement.
“Simon Sturge notified the Board of Directors of the Company of his intent to resign as a member of the Board, effective as of February 28, 2026... not the result of any dispute or disagreement.”
5 Nov 20258-K · 2.02, 7.01MoonLake reports positive Phase 2 LEDA trial results for sonelokimab in PPP: 64% mean PPPASI reduction, 39% PPPASI75 at week 16. Also interim Phase 3 VELA-TEEN data in adolescent HS: 46% HiSCR75. FDA Type B meeting scheduled Dec 15, 2025. Copen
Figures in the filing · each found in the filing text
| Cash, cash equivalents and short-term marketable debt securities · Q3-2025 | $381M | |
| Research and development expenses · Q3-2025 | $61M | +22% y/y |
| General and administrative expenses · Q3-2025 | $11M | -1% y/y |
| PPPASI mean percent change from baseline · Week 16 | 64.0% | |
| PPPASI75 response rate · Week 16 | 39.0% | |
| HiSCR75 response rate in adolescent HS · Week 16 | 46.0% |
Risks flagged
Clinical-stage company with no approved products; reliance on successful BLA submission and FDA approval.
“Company is a clinical-stage biotechnology company; BLA submission expected Q3/Q4 2026”
R&D expenses increasing as trials ramp up; cash burn rate significant.
“R&D expenses $60.6M vs $49.8M prior quarter; cash runway into H2 2027”
5 Nov 202510-QMoonLake's Phase 3 VELA-2 trial for SLK in hidradenitis suppurativa missed its primary endpoint, reducing committed debt by $175M and increasing uncertainty around regulatory approval.open
Figures in the filing · each found in the filing text
| Net loss · Q3-2025 | $-71M | +96% y/y |
| Net loss · 9M-2025 | $-167M | +124% y/y |
| Cash and cash equivalents · Q3-2025 | $351M | |
| Cash, cash equivalents and short-term marketable securities · Q3-2025 | $381M | |
| Research and development expenses · Q3-2025 | $61M | +70% y/y |
| Research and development expenses · 9M-2025 | $147M | +103% y/y |
| Operating cash flow · 9M-2025 | $-137M | +101% y/y |
Risks flagged
Phase 3 trial miss reduces approval probability
“In VELA-2, intercurrent events in the higher-than-expected placebo arm precluded the study from achieving statistical significance in the week 16 primary endpoint using the composite strategy (HiSCR75, delta to placebo of 9%, p=0.053).” · word for word
Loss of $175M committed debt financing
“we did not achieve the Tranche 2 and Tranche 4 Milestones, reducing the committed amount under the Loan and Security agreement by $175.0 million.” · word for word
Accelerating cash burn
“Net cash used in operating activities was $137.2 million and $68.1 million for the nine months ended September 30, 2025 and September 30, 2024, respectively.” · word for word
MoonLake Immunotherapeutics — questions
- What did MoonLake Immunotherapeutics file recently?
- 19 SEC filings in the last 12 months. Latest: 8-K on 2026-09-30 — MoonLake submitted a BLA to FDA for sonelokimab in hidradenitis suppurativa; awaiting acceptance and review timeline.
Every figure on this page comes from MoonLake Immunotherapeutics's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.