Climb Bio Inc (CLYM) SEC Filings & Earnings Calls
EquiReason read 28 Climb Bio Inc SEC filings in the last 12 months. Latest: 8-K on 2026-10-23 — Phase 1 data for CLYM116/MIL116 in IgAN shows deep APRIL suppression, ~70% Gd-IgA1 reduction, ~33-day half-life, and Q12W dosing potential; Phase 2 enrolling with data expected H1 .
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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last 12 months · SECWhat happened, the numbers inside, guidance and risks. The original is one click away.
23 Oct 20268-K · 7.01, 8.01Phase 1 data for CLYM116/MIL116 in IgAN shows deep APRIL suppression, ~70% Gd-IgA1 reduction, ~33-day half-life, and Q12W dosing potential; Phase 2 enrolling with data expected H1 2027.open
Figures in the filing · each found in the filing text
| Gd-IgA1 reduction · 2026-10-23 | 70.0% | |
| IgA reduction · 2026-10-23 | 60.0% | |
| Half-life · 2026-10-23 | $33.00 | |
| Free APRIL suppression · 2026-10-23 | 90.0% |
Risks flagged
Phase 2 and Phase 3 trials still ongoing; regulatory feedback pending for global Phase 3; early-stage data may not translate to patients.
“NAVIGATE-2 Phase 2 trial enrolling, initial data expected H1 2027; global Phase 3 expected to initiate in 2027 pending regulatory feedback”
3 Sep 20268-K · 7.01Climb Bio announces positive Phase 1 data for CLYM116 in IgA nephropathy; best-in-class profile with long half-life and Q12W dosing; Phase 2 underway.open
Figures in the filing · each found in the filing text
| half-life | $29.00 | |
| free APRIL suppression | 90.0% |
Risks flagged
Clinical trial risk; Phase 2 data expected in 1H 2027.
“NAVIGATE-2, a Phase 2 study in IgAN, enrolling with initial data anticipated in 1H 2027.” · word for word
6 Aug 20268-K · 2.02Cash, cash equivalents, and marketable securities $239M; R&D expenses $10M (+47% y/y); G&A expenses $6M (+37% y/y)earningsopen
Figures in the filing · each found in the filing text
| Cash, cash equivalents, and marketable securities · Q2-2026 | $239M | |
| R&D expenses · Q2-2026 | $10M | +47% y/y |
| G&A expenses · Q2-2026 | $6M | +37% y/y |
| Other income, net · Q2-2026 | $2M | -5% y/y |
Risks flagged
No revenue, net loss, and reliance on financing for cash runway
“Clinical stage biotech with no approved products; cash burn from R&D and G&A”
6 Aug 202610-QClimb Bio reported Q2 2026 results: net loss $13.5M, R&D spend increased, cash position $239.2M, pipeline advancing with positive early data.earningsopen
Figures in the filing · each found in the filing text
| Cash, cash equivalents and marketable securities · Q2-2026 | $239M | |
| Net loss · Q2-2026 | $-13M | |
| Research and development expenses · Q2-2026 | $10M | |
| General and administrative expenses · Q2-2026 | $6M | |
| Accumulated deficit · Q2-2026 | $-317M | |
| Net cash used in operating activities · H1-2026 | $-25M | |
| Net cash provided by financing activities · H1-2026 | $104M |
Guidance
Cash runway into H2 2028; no revenue guidance
Cash runway reaffirmed into H2 2028; no product revenue guidance; management tone positive on pipeline progress.
Risks flagged
No approved products or revenue
“We currently have no source of product revenue and may never become profitable.” · word for word
Need for additional capital
“We anticipate that it will need to raise substantial financing in the future to fund its operations.”
Clinical development risk
“Nonclinical and clinical development involves a lengthy, complex and expensive process with an uncertain outcome.” · word for word
Material weaknesses in internal controls
“We have identified material weaknesses in our internal control over financial reporting; if we are unable to remediate these material weaknesses ... we may not be able to accurately or timely report our financial condition or results of operations.” · word for word
Litigation risk
“On December 31, 2025, the Company filed a complaint in Delaware Superior Court against Alumis Inc. and its wholly owned subsidiary, Acelyrin, relating to a dispute concerning potential milestone payments owed under the Asset Purchase Agreement.” · word for word
1 Jul 20268-K · 5.02Option grant to new director 70,284; annual cash retainer for director $40,000.00open
Figures in the filing · each found in the filing text
| option grant to new director · point_in_time | 70,284 | |
| annual cash retainer for director · annual | $40000.00 |
12 Jun 20268-K · 1.01, 8.01Climb Bio entered an Open Market Sale Agreement with Jefferies to sell up to $100M of common stock in an at-the-market offering, replacing a terminated $22.35M ATM facility with Oppenheimer under which no shares were sold.open
Risks flagged
Potential dilution from up to $100M ATM equity offering; prior $22.35M facility terminated with no shares sold.
“Company may offer and sell shares of Common Stock having an aggregate offering price of up to $100.0 million” · word for word
11 Jun 20268-K · 8.01Climb Bio announced initial Phase 1b data for budoprutug in ITP: well tolerated, B-cell depletion >90%, durable platelet responses in 4/6 patients at 250mg, 2/6 with platelets >=100K for >24 weeks. Supports continued development.open
Figures in the filing · each found in the filing text
| mean platelet count increase · 250mg cohort · Q2-2026 | $111000.00 | |
| B-cell depletion average · 250mg cohort · Q2-2026 | 90.0% |
Risks flagged
Early-stage clinical data; small sample size; further cohorts and longer follow-up needed
“15 patients enrolled; median follow-up 38 weeks (250mg) and 12 weeks (500mg); 1000mg cohort enrollment ongoing”
8 Jun 20268-K · 5.02, 5.07Reported the departure of a director or principal officer (CEO/CFO change); submitted matters to a vote of security holdersopen
Risks flagged
No material risks identified; routine governance filing
5 Jun 20268-K · 8.01Announced positive translational pharmacometric modeling and initial Phase 1 safety data for CLYM116 anti-APRIL mAb: well tolerated, no SAEs, dose-dependent IgA suppression projected.open
Risks flagged
Early-stage clinical development risk; no revenue or profitability
“Company is pre-revenue with significant R&D expenses and accumulated deficit.”
7 May 202610-QClimb Bio reported Q1 2026 results: net loss narrowed to $13.7M from $20.8M YoY; cash and marketable securities $146.3M; no product revenue.earningsopen
Figures in the filing · each found in the filing text
| Net loss · Q1-2026 | $-14M | -34% y/y |
| Cash and cash equivalents · 2026-03-31 | $8M | |
| Total cash, cash equivalents and marketable securities · 2026-03-31 | $146M | |
| Accumulated deficit · 2026-03-31 | $303M | |
| Research and development expense · Q1-2026 | $9M | -46% y/y |
| General and administrative expense · Q1-2026 | $6M | +3% y/y |
| Interest income · Q1-2026 | $2M | -34% y/y |
| Stock-based compensation expense · Q1-2026 | $2M | -21% y/y |
| Net cash used in operating activities · Q1-2026 | $-14M | -7% y/y |
| Free cash flow · Q1-2026 | $-14M | -7% y/y |
Risks flagged
No product revenue; reliance on future financing
“We currently have no source of product revenue and may never become profitable.” · word for word
Material weakness in internal controls
“We have identified material weaknesses in our internal control over financial reporting.” · word for word
Single-source supplier dependency
“We rely and expect to continue to rely on single-source suppliers and manufacturers to supply us with certain critical materials.”
Litigation risk with Alumis/Acelyrin
“On December 31, 2025, the Company filed a complaint in Delaware Superior Court against Alumis Inc. and its wholly owned subsidiary, Acelyrin, relating to a dispute concerning potential milestone payments.” · word for word
7 May 20268-K · 2.02Cash, Cash Equivalents, and Marketable Securities $146M; Research and Development Expenses $9M (-46% y/y); General and Administrative Expenses $6M (-3% y/y)earningsopen
Figures in the filing · each found in the filing text
| Cash, Cash Equivalents, and Marketable Securities · Q1-2026 | $146M | |
| Research and Development Expenses · Q1-2026 | $9M | -46% y/y |
| General and Administrative Expenses · Q1-2026 | $6M | -3% y/y |
| Other Income, Net · Q1-2026 | $2M | -32% y/y |
| Gross Proceeds from Private Placement · 2026-04-29 | $110M |
Risks flagged
Clinical-stage company with no approved products; reliance on successful trial outcomes and regulatory approvals.
“Company is clinical-stage; all programs in Phase 1 or 2; no revenue from product sales.”
Cash runway depends on operating plan; updated guidance pending after private placement.
“Company expects cash to fund operations into 2028 excluding private placement; updated cash runway guidance to be provided later.”
28 Apr 20268-K · 1.01, 3.02, 8.01Climb Bio Inc. entered into a securities purchase agreement for a private placement of 9,481,000 shares at $9.50/share and pre-funded warrants for 2,106,000 shares at $9.4999, expecting ~$110M gross proceeds. Dilution to existing shareholdeopen
Figures in the filing · each found in the filing text
| Gross proceeds | $110M | |
| Shares issued | 9,481,000 | |
| Pre-funded warrants issued | 2,106,000 | |
| Price per share | $9.50 |
Risks flagged
Dilution risk from issuance of ~11.6M shares (including pre-funded warrants).
“9,481,000 shares + 2,106,000 pre-funded warrants”
24 Apr 2026DEF 14AProxy statement filed for annual meeting; includes proposals to amend charter and equity plan, and elect directors.open
Risks flagged
Dilution from equity compensation
“As of March 31, 2026, we had outstanding 47,768,543 shares of common stock and prefunded warrants to purchase an aggregate of 20,440,000 shares of common stock.” · word for word
Concentration of ownership by RA Capital
“Entities affiliated with RA Capital beneficially own 33.0% of our common stock as of March 31, 2026.”
3 Apr 20268-K · 5.02Reported a director or officer change (departure, election, appointment or pay arrangement)open
Risks flagged
Loss of key finance executive may create temporary operational gap, but CFO assumes role, mitigating risk.
“Departure of SVP Finance; CFO appointed as principal accounting officer.”
5 Mar 20268-K · 2.02Cash, cash equivalents, and marketable securities $161M; R&D expenses $47M (+227% y/y); G&A expenses $21M (+32% y/y)earningsopen
Figures in the filing · each found in the filing text
| Cash, cash equivalents, and marketable securities · FY2025 | $161M | |
| R&D expenses · FY2025 | $47M | +227% y/y |
| G&A expenses · FY2025 | $21M | +33% y/y |
Risks flagged
Clinical-stage biotech with no approved products; high R&D spend and reliance on pipeline success.
“R&D expenses $46.7M in FY2025; no revenue; cash runway into 2028 but dependent on clinical trial outcomes.”
5 Mar 202610-KClimb Bio filed its annual 10-K, detailing progress in clinical development of budoprutug and CLYM116 for autoimmune diseases.open
Risks flagged
Clinical trial failure risk
“Nonclinical and clinical development involves a lengthy, complex, and expensive process, which is uncertain and may not predict final outcomes.” · word for word
Capital need risk
“If we are unable to access capital when needed and on acceptable terms, we may be forced to delay, reduce, or discontinue our product candidate development programs.” · word for word
Regulatory approval risk
“Our future success is dependent on the regulatory approval and commercialization of our product candidates.” · word for word
Competition risk
“We face significant competition in an environment of rapid technological change.” · word for word
8 Jan 20268-K · 7.01, 8.01Regulatory clearances 20; Trial sites activated 45open
Figures in the filing · each found in the filing text
| Regulatory clearances · FY2025 | 20 | |
| Trial sites activated · FY2025 | 45 |
Risks flagged
Clinical trial risk; data may not meet endpoints.
“Initial data expected in H2 2026; uncertainty in outcomes.”
31 Dec 20258-K · 8.01Disclosed a material event under other events (litigation, recall, contract loss, or major announcement); filed financial statements and exhibits with this reportopen
Risks flagged
Litigation risk: dispute over milestone payment could result in financial liability or impact on drug development.
“The Complaint seeks a declaratory judgment that the Company’s budoprutug drug candidate is not a “Product” under the APA and the Company does not owe a milestone payment sought by Alumis in connection with its development of budoprutug.” · word for word
11 Dec 20258-K · 1.01, 3.02Entered a material definitive agreement (acquisition, partnership, or major contract); issued unregistered shares, diluting existing shareholdersopen
Risks flagged
Shareholder dilution risk from issuance of pre-funded warrants and exchange agreement.
“Item 3.02 Unregistered Sale of Equity Securities; Pre-Funded Warrant form filed as Exhibit 4.1.” · word for word
6 Nov 20258-K · 2.02Cash, cash equivalents and marketable securities $176M; Research and Development expenses $9M; General and Administrative expenses $6Mearningsopen
Figures in the filing · each found in the filing text
| Cash, cash equivalents and marketable securities · Q3-2025 | $176M | |
| Research and Development expenses · Q3-2025 | $9M | |
| General and Administrative expenses · Q3-2025 | $6M |
Risks flagged
Clinical-stage company with no approved products or revenue
“No revenue reported; company is clinical-stage with multiple trials ongoing”
Dependence on clinical trial outcomes
“Multiple clinical milestones expected in 2026; trial failures could impact stock”
6 Nov 202510-QClimb Bio reported Q3 2025 results: net loss $12.9M, R&D expense $9.1M, cash burn continues with $175.8M total liquidity.earningsopen
Figures in the filing · each found in the filing text
| Cash and cash equivalents · Q3-2025 | $26M | |
| Total cash, cash equivalents and marketable securities · Q3-2025 | $176M | |
| Net loss · Q3-2025 | $-13M | |
| Research and development expense · Q3-2025 | $9M | |
| General and administrative expense · Q3-2025 | $6M | |
| Accumulated deficit · Q3-2025 | $-272M |
Risks flagged
Pre-revenue biotech with ongoing losses
“We have incurred significant losses since our inception and anticipate that we will incur substantial losses for the foreseeable future and may never achieve or maintain profitability.” · word for word
Need for future financing
“The Company anticipates that it will need to raise substantial financing in the future to fund its operations.” · word for word
Material weakness in internal controls
“We have identified material weaknesses in our internal control over financial reporting.” · word for word
Climb Bio Inc — questions
- What did Climb Bio Inc file recently?
- 28 SEC filings in the last 12 months. Latest: 8-K on 2026-10-23 — Phase 1 data for CLYM116/MIL116 in IgAN shows deep APRIL suppression, ~70% Gd-IgA1 reduction, ~33-day half-life, and Q12W dosing potential; Phase 2 enrolling with data expected H1 2027.
Every figure on this page comes from Climb Bio Inc'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.