Maiabiotech
Chicago, US · 1 known investors
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MAIA Biotech is a clinical-stage biopharmaceutical company developing telomere-targeting cancer therapies, with a lead compound (THIO) based on a telomerase-targeting therapeutic approach. Its work spans oncology and nucleic acid-based therapeutics across multiple tumor types.
Founders & leadership
SM

Sergei M. GryaznovChief Scientific Officer
JC
Jeffrey C. HimmelreichHead of Finance
VV
Vlad VitocChief Executive Officer and Chairman
NY
Ngar Yee LouieNamed on SEC filing
Board
CL
Cristian LuputBoard director
JT
Jean-Manasse TheageneBoard director
RG
Ramiro GuerreroBoard director
SC
Steven ChaoukiBoard director
SS
Stan SmithBoard director
LN
Louie Ngar YeeBoard director
Investors · 1
Reported raises · per SEC filings
Form D private placements$19.6M disclosed across 7 rounds · 2023–2025
▶$1.5MraisedJan 2026 · 17 investors · BiotechnologyRule 506(b)
▶$1.5MraisedJan 2026 · 17 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Sergei GryaznovExecutive Officer
- Jean-Manasse TheageneDirector
- Ramiro GuerreroDirector
- Stan SmithDirector
- Cristian LuputDirector
- Vlad VitocExecutive Officer, Director
- Jeffrey HimmelreichExecutive Officer, Director
- Steven ChaoukiDirector
- Louie Ngar YeeDirector
- Offering amount
- $2M
- Amount sold
- $1.5M
- First sale
- Dec 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$3MraisedOct 2025 · 17 investors · BiotechnologyRule 506(b)
▶$3MraisedOct 2025 · 17 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Louie Ngar YeeDirector
- Steven ChaoukiDirector
- Stan SmithDirector
- Sergei GryaznovExecutive Officer
- Jeffrey HimmelreichExecutive Officer
- Vlad VitocExecutive Officer, Director
- Ramiro GuerreroDirector
- Jean-Manasse TheageneDirector
- Cristian LuputDirector
- Offering amount
- $7M
- Amount sold
- $3M
- First sale
- Sep 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$695KraisedJun 2025 · 11 investors · BiotechnologyRule 506(b)
▶$695KraisedJun 2025 · 11 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Ramiro GuerreroDirector
- Jean-Manasse TheageneDirector
- Louie Ngar YeeDirector
- Vlad VitocExecutive Officer, Director
- Cristian LuputDirector
- Jeffrey HimmelreichExecutive Officer
- Steven ChaoukiDirector
- Stan SmithDirector
- Sergei GryaznovExecutive Officer
- Offering amount
- $8M
- Amount sold
- $695K
- First sale
- May 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$4.1MraisedMar 2025 · 43 investors · BiotechnologyRule 506(b)
▶$4.1MraisedMar 2025 · 43 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Cristian LuputDirector
- Jeffrey HimmelreichExecutive Officer
- Stan SmithDirector
- Vlad VitocExecutive Officer, Director
- Ramiro GuerreroDirector
- Steven ChaoukiDirector
- Louie Ngar YeeDirector
- Sergei GryaznovExecutive Officer
- Jean-Manasse TheageneDirector
- Offering amount
- $5.9M
- Amount sold
- $4.1M
- First sale
- Feb 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$2.4MraisedNov 2024 · 21 investors · BiotechnologyRule 506(b)
▶$2.4MraisedNov 2024 · 21 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Cristian LuputDirector
- Jean-Manasse TheageneDirector
- Jeffrey HimmelreichExecutive Officer
- Ramiro GuerreroDirector
- Steven ChaoukiDirector
- Sergei GryaznovExecutive Officer
- Vlad VitocExecutive Officer, Director
- Stan SmithDirector
- Louie Ngar YeeDirector
- Offering amount
- $15.5M
- Amount sold
- $2.4M
- First sale
- Oct 2024
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$2.9MraisedMar 2024 · 19 investors · BiotechnologyRule 506(b)
▶$2.9MraisedMar 2024 · 19 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Jeffrey HimmelreichExecutive Officer
- Stan V. SmithDirector
- Cristian LuputDirector
- Steven ChaoukiDirector
- Sergei GryaznovExecutive Officer
- Ngar Yee LouieDirector
- Ramiro GuerreroDirector
- Vlad VitocExecutive Officer, Director
- Jean-Manasse TheageneDirector
- Offering amount
- $5.7M
- Amount sold
- $2.9M
- First sale
- Mar 2024
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$4.9MraisedNov 2023 · 3 investors · BiotechnologyRule 506(b)
▶$4.9MraisedNov 2023 · 3 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Cristian LuputDirector
- Stan SmithDirector
- Vlad VitocExecutive Officer, Director
- Jeffrey C HimmelreichExecutive Officer
- Ramiro GuerreroDirector
- Sergei GryaznovExecutive Officer
- Steven M ChaoukiDirector
- Ngar Yee LouieDirector
- Jean-Manasse TheageneDirector
- Offering amount
- $4.9M
- Amount sold
- $4.9M
- Sales commissions
- $280K
- Placement agents
- H.C. Wainwright & Co., LLC
- First sale
- Nov 2023
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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Frequently asked questions
- What does Maiabiotech do?
- MAIA Biotech is a clinical-stage biopharmaceutical company developing telomere-targeting cancer therapies, with a lead compound (THIO) based on a telomerase-targeting therapeutic approach. Its work spans oncology and nucleic acid-based therapeutics across multiple tumor types.
- Who are Maiabiotech's investors?
- Maiabiotech's investors include Checkmate Capital Group LLC.
- How much funding has Maiabiotech raised?
- Maiabiotech has disclosed $19.6M raised across 7 rounds.
- Where is Maiabiotech headquartered?
- Maiabiotech is headquartered in Chicago, US.



