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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

CLYMClimb Bio IncFollow CLYM — free
Biotechnology · Healthcare
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585.3M
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Next earnings
11 Nov, in 18 days

Every filing, read

last 12 months · SEC

What 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 · 2026-10-2370.0%
IgA reduction · 2026-10-2360.0%
Half-life · 2026-10-23$33.00
Free APRIL suppression · 2026-10-2390.0%

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”
Read the original on SEC EDGAR ↗
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 suppression90.0%

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
Read the original on SEC EDGAR ↗
14 Aug 20268-K · 8.01First patient dosed in Phase 2 trial for IgA nephropathy in China, conducted in collaboration with Beijing Mabworks Biotech.SEC ↗
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”
Read the original on SEC EDGAR ↗
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
Read the original on SEC EDGAR ↗
7 Jul 2026SC 13D/ARA Capital group filed Amendment No. 10 to Schedule 13D, reporting aggregate beneficial ownership of 33.0% of Climb Bio, Inc., with appointment of Dr. Breanna Celebi to the board of directors.SEC ↗
7 Jul 2026SC 13D/ARA Capital group filed Amendment No. 10 to Schedule 13D, reporting aggregate beneficial ownership of 33.0% of Climb Bio, Inc., with appointment of Dr. Breanna Celebi to the board of directors.SEC ↗
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_time70,284
annual cash retainer for director · annual$40000.00
Read the original on SEC EDGAR ↗
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
Read the original on SEC EDGAR ↗
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 · Q2-202690.0%

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”
Read the original on SEC EDGAR ↗
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

Read the original on SEC EDGAR ↗
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.”
Read the original on SEC EDGAR ↗
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
Read the original on SEC EDGAR ↗
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.”
Read the original on SEC EDGAR ↗
5 May 20268-K · 7.01Issued a Regulation FD disclosure (forward guidance or material update); filed financial statements and exhibits with this reportSEC ↗
29 Apr 2026SC 13D/AClimb Bio completed a $20M PIPE with RA Capital Healthcare Fund purchasing pre-funded warrants, and RA Capital disclosed a 33% beneficial ownership stake.SEC ↗
29 Apr 2026SC 13D/AClimb Bio completed a $20M PIPE with RA Capital Healthcare Fund purchasing pre-funded warrants, and RA Capital disclosed a 33% beneficial ownership stake.SEC ↗
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 issued9,481,000
Pre-funded warrants issued2,106,000
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”
Read the original on SEC EDGAR ↗
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.”
Read the original on SEC EDGAR ↗
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.”
Read the original on SEC EDGAR ↗
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.”
Read the original on SEC EDGAR ↗
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
Read the original on SEC EDGAR ↗
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 · FY202520
Trial sites activated · FY202545

Risks flagged

Clinical trial risk; data may not meet endpoints.

“Initial data expected in H2 2026; uncertainty in outcomes.”
Read the original on SEC EDGAR ↗
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
Read the original on SEC EDGAR ↗
15 Dec 2025SC 13D/ASchedule 13D/A: RA Capital Management, L.P. 33.0%SEC ↗
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
Read the original on SEC EDGAR ↗
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”
Read the original on SEC EDGAR ↗
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
Read the original on SEC EDGAR ↗

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.