Highest-materiality recent filing
Jasper Therapeutics completes IgAN enrollment for vensobafusp alfa Phase 2; adds FSGS cohort
18 IgAN patients enrolled in stage 1 across 3 cohorts: subcutaneous Q2W (n=6), Q4W (n=6) and Q8W (n=6) maintenance dosing.
Tender offer at $0.324 in cash per warrant, without interest; warrants were issued in Jasper's September 18, 2025 underwritten public offering.
Jasper Therapeutics holders approve 1-for-15 to 1-for-35 reverse split and share increase to 675M
Proposal 1 approved 21,088,353 to 567,692 (91,820 abstentions): reverse stock split at a ratio of 1-for-15 to 1-for-35, at Board discretion any time on or before December 31, 2026.
Jasper refiles Kira pro formas: $149M asset deal, $125M IPR&D charge, $132M PIPE nets $125M
Merger closed July 16, 2026: Jasper issued 5,195,009 Kira common shares at $0.774 and 4,644,977 preferred shares, total consideration ~$149.0M including $1.34M deal costs.
Kira reported FY2025 net loss of $4.4M (vs $4.8M in FY2024); R&D expense fell to $0.9M from $2.8M and G&A was $1.5M.
Jasper Therapeutics CFO Herb Cross resigns Oct 9; CEO Jeet Mahal takes interim PFO role
CFO, principal financial and accounting officer and corporate secretary Herb Cross resigned effective October 9, 2026 to pursue other professional endeavors.
Jasper Therapeutics receives Nasdaq delisting notice for equity shortfall
On Aug 21, 2026, Nasdaq notified Jasper it fails $2.5M stockholders' equity requirement under Rule 5550(b)(1).
Jasper Therapeutics Q2 2026 net loss $2.8M; closes Kira acquisition, $132M PIPE
Q2 2026 net loss $2.8M ($0.10/share); cash $7.3M at June 30, 2026.
Jasper Therapeutics 2026 annual meeting voting results; all proposals approved
Elected Judith Shizuru and Tom Wiggans as Class II directors with ~9.27M and ~9.28M votes for, respectively.
Each share of common stock as of July 16, 2026 (closing date) receives one CVR.
Jasper Therapeutics acquires Kira Pharmaceuticals; issues ~9.8M shares and raises $132M PIPE
Jasper issued ~5.2M common shares and ~4.6M convertible preferred shares to Kira shareholders; Kira holders own ~88.73% of pro forma common pre-PIPE.
Jasper Therapeutics completes all-stock acquisition of Kira Pharmaceuticals and $132M PIPE
Jasper acquires Kira in all-stock deal; pre-deal Jasper holders own ~6.68%, Kira holders ~49.86%, PIPE investors ~43.46% of combined company.
Jasper Therapeutics receives Nasdaq bid price deficiency notice; 180 days to cure
On June 3, 2026, Nasdaq notified Jasper that its common stock bid price closed below $1.00 for 30 consecutive business days.
Jasper Therapeutics initiates strategic review including potential sale or wind-down
Board of Directors initiates comprehensive review of strategic alternatives to maximize shareholder value.
Jasper Therapeutics director Christian Nolet resigns; Svetlana Lucas joins audit committee
Christian Nolet resigned from Board and all committees effective May 15, 2026.
Jasper Therapeutics Q1 net loss $1.2M; refiles Phase 2b protocol for briquilimab in CSU
Cash and equivalents of $14.1M as of March 31, 2026, with $5.8M R&D and $5.1M G&A expenses.
Jasper posts Q4 net loss $9.1M; cash $28.7M; appoints new CEO; reports positive CSU/asthma data
Jeet Mahal named President and CEO to lead next phase of clinical growth.
67% (4/6) of new BEACON briquilimab patients achieved complete response at week 12; mean UAS7 drop of 31 points.
Effective Jan 5, 2026, Jeet Mahal becomes CEO and President; he also joins the Board as Class III director.
Jasper reports positive ETESIAN asthma data; BEACON investigation clears drug product
Single 180mg briquilimab reduced sputum eosinophils from 10.3% to 2.32% at 6 weeks post-allergen challenge.
Jasper Q3 net loss $18.7M; BEACON investigation finds no drug quality issues; cash $50.9M
Net loss of $18.7M ($1.13 per share); R&D expense $14.4M, G&A $4.8M.
Jasper Therapeutics prices $30M public offering, updates BEACON CSU investigation progress
Gross proceeds ~$30M from offering of 11.67M shares + warrants at $2.43/share; closing expected Sept 22.
Jasper Therapeutics Q2 net loss $26.7M; cuts workforce 50%, probes BEACON lot issue
Net loss of $26.7M ($1.74 per share); cash and equivalents $39.5M as of June 30, 2025.
Jasper Therapeutics cuts workforce ~50%, halts non-urticaria programs; CMO departs
Workforce reduction of ~50% and halting of all non-chronic urticaria programs.
8 of 9 (89%) patients in 240mg and 360mg single-dose cohorts achieved complete response (UAS7=0).
Jasper Therapeutics shareholders elect directors, ratify PwC, approve say-on-pay
Elected Kurt von Emster, Scott Brun, and Vishal Kapoor as Class I directors with >8.4M votes each.
Jasper Therapeutics: 92% complete response in 180mg cohort of briquilimab SPOTLIGHT study in CIndU
11 of 12 participants (92%) achieved complete response; 12 of 12 (100%) achieved clinical response within 8-week analysis.
Jasper Therapeutics Q1 2025 net loss $21.2M; cash $48.8M; briquilimab programs on track
Net loss of $21.2M ($1.41 per share) for Q1 2025; R&D expenses $16.2M, G&A $5.6M.
Company entered Open Market Sale Agreement with Jefferies LLC to sell up to $100M of common stock.
Jasper Therapeutics reports FY2024 net loss of $71.3M; briquilimab data positive
Cash and equivalents $71.6M at Dec 31, 2024; net loss $71.3M ($4.89 diluted EPS) for FY2024.
Mean UAS7 change of -26.6 at 8 weeks in 240mg single-dose cohort (N=3); all patients achieved Complete Response (UAS7=0).
Jasper Therapeutics Q3 net loss $18.6M, reports positive CIndU data, discontinues LR-MDS
Net loss $18.6M ($1.24 diluted EPS); cash $92.5M at Sept 30, 2024.
Jasper reports 93% clinical response rate in SPOTLIGHT study of briquilimab in CIndU
14 of 15 patients (93%) achieved clinical response; 10 of 12 (83%) in 120mg cohort had complete response.
Jasper Therapeutics appoints Svetlana Lucas to Board; Anna French resigns
Anna French resigned from Board effective June 18, 2024, citing no disagreement with company.
Stockholders voted 10.3M for, 95K against to approve 2024 Equity Incentive Plan.
Net loss for FY2023: $64.5M ($6.18 diluted EPS); Q4 net loss $16.6M ($1.50 diluted EPS).
Jasper Therapeutics prices $50M underwritten offering of 3.9M shares at $12.95/share
Gross proceeds ~$50M from 3,900,000 shares of common stock at $12.95 per share.
Jasper Therapeutics effects 1-for-10 reverse stock split to regain Nasdaq compliance
Reverse split effective 12:01 a.m. ET on Jan 4, 2024; shares begin trading split-adjusted same day.
Jasper Therapeutics announces 1-for-10 reverse stock split effective Jan 4, 2024
Reverse split ratio set at 1-for-10, effective 12:01 a.m. ET on Jan 4, 2024.
Jasper Therapeutics stockholders approve reverse stock split authorization up to 1-for-10
Reverse split proposal approved with 91,108,798 votes for, 873,917 against, 32,292 abstentions.
Net loss of $17.5M ($0.16 per share); R&D expenses $14.8M; G&A expenses $4.5M.
Jasper appoints Thomas G. Wiggans as Chairperson; William Lis to retire in Dec 2023
Thomas G. Wiggans joins Board as Class II director and Chairperson effective Nov 1, 2023.
Notice from Nasdaq: common stock bid price below $1.00 for 30 consecutive business days.
FDA cleared IND for Phase 1b/2a repeat dose study of subcutaneous briquilimab in CSU patients.
Furnished updated corporate presentation under Regulation FD; presentation dated October 2023.
Jasper Therapeutics appoints Herb Cross as CFO; Jeet Mahal continues as COO
Herb Cross, age 51, appointed CFO and Corporate Secretary effective Sept 22, 2023; prior CFO at Atreca.
All three Fanconi Anemia patients treated with briquilimab achieved full donor engraftment and full blood count recovery.
Jasper Therapeutics Q2 2023 net loss $16.1M; cash $115.8M; first patient dosed in LR-MDS trial
Net loss of $16.1M for Q2 2023 vs $10.4M in Q2 2022; R&D expenses increased to $13.3M from $8.1M.
Scott Brun, M.D., appointed to Jasper Board as R&D Committee Chair; Klein resigns
Scott Brun, M.D., appointed as Class I director effective June 20, 2023; chairs R&D Committee, serves on Compensation Committee.
Compensation Committee approved amendment to 2022 Inducement Plan, increasing shares from 3M to 5.5M (2.5M new shares).
On May 15, 2026 (the “Notice Date”), Christian Nolet informed the Board of Directors (the “Board”) of Jasper Therapeutics, Inc. (the “Company”) that he is resigning from the Board and the committees of the Board on which he serves, effective as of the Notice Date.
On June 17, 2024, Anna French, D.Phil. notified the Board of Directors (the “Board”) of Jasper Therapeutics, Inc. (the “Company”) of her intent to resign from the Board effective as of June 18, 2024.
Effective immediately following Dr. French’s resignation, on June 18, 2024, the Board appointed Svetlana Lucas, Ph.D. as a Class III director of the Company.
Effective November 1, 2023, the Board of Directors (the “Board”) of Jasper Therapeutics, Inc. (the “Company”) appointed Thomas G. Wiggans as a Class II director of the Company. Mr. Wiggans was also appointed to serve as Chairperson of the Board.
On September 21, 2023, the Board of Directors (the “Board”) of Jasper Therapeutics, Inc. (the “Company”) appointed Herb Cross, age 51 , as its Chief Financial Officer and Corporate Secretary.
the Board approved the transition of Jeet Mahal, the Company’s Chief Financial Officer and Chief Operating Officer, to serve solely as the Company’s Chief Operating Officer.
Effective June 20, 2023, the Board of Directors (the “Board”) of Jasper Therapeutics, Inc. (the “Company”) appointed Scott Brun, M.D., as a Class I director of the Company.
Effective February 16, 2023, the Board of Directors (the “Board”) of Jasper Therapeutics, Inc. (the “Company”) appointed Vishal Kapoor as a Class I director of the Company.
Dr. Heller’s employment with the Company will terminate, effective May 17, 2022.
On March 18, 2022, the Board of Directors (the “Board”) of Jasper Therapeutics, Inc. (the “Company”) approved the promotion of Jeet Mahal, age 50, the Company’s Chief Financial Officer and Chief Business Officer, to Chief Operating Officer and Chief Financial Officer, effective March 21, 2022.
Mr. Lis will continue serving as a Class III director of the Company and will commence serving as a non-employee Chairperson of the Company’s Board of Directors (the “Board”).
On March 7, 2022, in connection with the appointment of Ronald Martell as the President and Chief Executive Officer of Jasper Therapeutics, Inc. (the “Company”),
Max materiality 1.00 · Median 0.65 · Most common event other_material