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Iambic Therapeutics, Inc.

Biological Products, (No Diagnostic Substances) · IAM

ipo trading trading Nasdaq Global Select Market 424B4

Iambic Therapeutics, Inc. IPO research page with SEC filing history, offering status, deal terms, structured filing extracts, company news, and comparable IPO context. Latest filing: 424B4 on 2026-10-15. Current deal snapshot: exchange Nasdaq Global Select Market.

Filing Timeline

SEC EDGAR
424B4 priced
Final prospectus
Final prospectus filed after pricing with final deal terms.
First tracked pre-IPO filing for this issuer.
Price $16.00 · 9,375,000 shares · Gross proceeds $150,000,000
Common Stock · Exchange Nasdaq Global Select Market · Ticker IAM · Over-allotment 1,406,250 · Use of proceeds To increase capitalization and financial flexibility, create a public market, and facilitate future access to public equity markets · Underwriters J.P. Morgan, Jefferies, BofA Securities
Iambic Therapeutics, Inc. reports collaboration revenue of $12.8M for H1 2026, up 225% from $3.9M in H1 2025, driven by progress in RevMed and Takeda programs and a milestone achievement. Research and development expenses surged 74% to $57.1M, with significant increases in IAM1363 program costs, discovery/platform activities, and personnel expenses. General and administrative expenses rose 37% to $9.1M. The company remains unprofitable, recording a $50.1M net loss in H1 2026, with no product sales revenue expected for the foreseeable future. Revenue from the Lundbeck Agreement is projected to reach $3.8M by 2027.
2026-10-15 · 0001193125-26-422865
EFFECT effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
First tracked pre-IPO filing for this issuer.
2026-10-14 · 9999999995-26-003244
CERT inactive
CERT
Pre-IPO filing captured from the SEC submission timeline.
First tracked pre-IPO filing for this issuer.
2026-10-14 · 0001354457-26-000988
8-A12B effective
Exchange Act registration
Registration filed to list the securities under the Exchange Act ahead of trading.
First tracked pre-IPO filing for this issuer.
2026-10-13 · 0001193125-26-420387
S-1/A amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
First tracked pre-IPO filing for this issuer.
Price $16.00 · Range $15.00 to $17.00 · 9,375,000 shares · Gross proceeds $150,000,000
Common stock · Exchange Nasdaq Global Select Market · Ticker IAM · Over-allotment 1,406,250 · 7,004,367 shares reserved under 2026 Equity Incentive Plan · Use of proceeds General corporate purposes · Flags warrants
Iambic Therapeutics, Inc. reported increased collaboration revenue of $12.8 million for the six months ended June 30, 2026, driven by progress with RevMed and Takeda agreements, compared to $3.9 million in the same period in 2025. Research and development expenses rose 74% to $57.1 million, reflecting expanded clinical trials for IAM1363 and platform development. General and administrative expenses increased 37% to $9.1 million. The company expects future revenue from collaboration milestones and royalties, with $3.8 million remaining from the Lundbeck Agreement to be recognized through 2027. No product sales revenue has been generated, and losses continue as development efforts advance.
2026-10-08 · 0001193125-26-417416
S-1 filed
Initial registration statement
Initial public filing submitted to start the SEC review process.
Follows DRS/A in the pre-IPO sequence.
Common stock · Exchange Nasdaq Global Select Market · Ticker IAM · Use of proceeds Net proceeds will be used for clinical development of IAM1363, IAM217, and IAM-C1, with remaining funds for working capital and general corporate purposes. · Underwriters J.P. Morgan, Jefferies, BofA Securities
Iambic Therapeutics, Inc. has expanded its collaboration agreements with major pharmaceutical companies, including AbbVie, Takeda, Revolution Medicines, and Lundbeck, generating $12.8 million in collaboration revenue for the six months ended June 30, 2026, a 225% increase from $3.9 million in the same period in 2025. The company anticipates continued revenue growth from milestone payments and royalties but remains unprofitable, reporting a net loss of $50.1 million for the six months ended June 30, 2026. Operating expenses, primarily research and development, rose 74% year-over-year to $57.1 million, driven by expanded drug development programs and platform advancements. The company faces risks related to reliance on collaboration revenue, clinical trial uncertainties, and the inability to commercialize drug candidates.
2026-09-21 · 0001193125-26-396704
DRS/A amended
Amended draft registration statement
Updated draft registration filed before the public launch.
Updates the prior DRS filing.
Iambic Therapeutics, Inc. reported significant growth in collaboration revenue for the six months ended June 30, 2026, reaching $12.8 million compared to $3.9 million in the same period in 2025, driven by progress in programs with RevMed and Takeda, as well as a success-based milestone. Research and development expenses increased by 74% to $57.1 million, primarily due to expanded clinical trials for IAM1363, platform development, and increased personnel costs. General and administrative expenses rose 37% to $9.1 million, reflecting broader operational scaling. The company remains focused on advancing its HER2 program and AI-driven platform while managing ongoing financial risks.
2026-08-28 · 0001193125-26-374173
DRS filed
Draft registration statement
Draft registration filed confidentially before the public launch.
First tracked pre-IPO filing for this issuer.
Iambic Therapeutics, Inc. reports collaboration revenue from agreements with Lundbeck, RevMed, and Takeda, with $9.4 million in 2025 revenue compared to $1.2 million in 2024. The company remains in early development stages, with no product sales revenue and expects to rely on collaboration arrangements for future revenue. Significant increases in R&D expenses reflect expanded clinical programs, platform development, and partnership activities. The company faces risks related to clinical trial outcomes, revenue volatility, and dependence on third-party collaborations.
2026-07-24 · 0001193125-26-315779