Cartesian Therapeutics, Inc. (RNAC)
Nasdaq: RNAC · Pharmaceutical Preparations · Frederick, MD · filing with the SEC since 2009
Who runs Cartesian Therapeutics, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Brunn Carsten
President and CEO. First filing Dec 2018, latest Jan 8, 2026, 20 filings in all.
Officers reporting now
5
of 13 people with a filing in the last fifteen months
Directors reporting now
8
48 people on the record since 2016
Officerssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Brunn Carsten | President and CEO | Dec 2018 | Jan 8, 2026 | 1 · $200,000 |
| Davis Blaine | Chief Financial Officer | Nov 2022 | Jan 8, 2026 | 1 · $100,000 |
| Miljkovic Milos | Chief Medical Officer | Nov 2023 | Jan 8, 2026 | 1 · $0.00 |
| English Emily | Chief Operations Officer | Apr 2024 | Jan 6, 2026 | none |
| Seymour June Ann | Chief Accounting Officer | Oct 2025 | Jan 6, 2026 | none |
Directorssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Kalayoglu Murat | director | Nov 2023 | Apr 6, 2026 | none |
| Singer Michael | director | Nov 2023 | Mar 13, 2026 | none |
| Barabe Timothy C | director | Aug 2016 | Jan 6, 2026 | none |
| Desilva Nishan M | director | Jul 2021 | Jan 6, 2026 | none |
| Malik Kemal | director | Jul 2024 | Jan 6, 2026 | none |
| Springer Timothy A | director | Jun 2016 | Jan 6, 2026 | none |
| Zenner Patrick J | director | Jun 2017 | Jan 6, 2026 | none |
| Bot Adrian Ion | director | Dec 2025 | Dec 18, 2025 | none |
Owners of more than 10% of a classsales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Hoge Elizabeth | 10% owner | Nov 2023 | Apr 6, 2026 | none |
| Seven One Eight Three Four Irrevocable Trust | 10% owner | Nov 2023 | Apr 6, 2026 | none |
Earlier names on the record50, newest filing first
Jewell Christopher M · officer · last filing Jan 2025Kurtoglu Metin · officer · last filing Jan 2025Cox Carrie Smith · director · last filing Jan 2025Sallin Aymeric · director · last filing Jan 2024Myers Scott Dunseth · director · last filing Nov 2023Traber Peter G · officer · last filing Sep 2023Kishimoto Takashi Kei · officer · last filing Jun 2023Johnston Lloyd P. · officer · last filing Jan 2023Ando Goran · director · last filing Jan 2023Tan Kevin · officer · last filing Jan 2022Donohue Ann K. · officer · last filing Jun 2021Dahms Bradford D. · officer · last filing Jan 2021Schecter Alison D. · officer · last filing Jan 2020Smolinski Stephen · officer · last filing Jan 2020Kogan Elona Esq. · officer · last filing Jan 2020Farokhzad Omid · director · last filing Aug 2019Nashat Amir · director · last filing Jun 2019Leaman John Harold · officer · last filing Jun 2018Abraham David · officer · last filing Jun 2018Hutt Peter Barton · director · last filing Jun 2018Sands Earl · officer · last filing Nov 2017Cautreels Werner · officer · last filing Nov 2017Siewers David · officer · last filing Sep 2017Keller Peter · officer · last filing Jul 2017Kania Edwin M Jr · director · last filing May 2017Afeyan Noubar · director · last filing Jun 2016Flagship Ventures 2007 General Partner LLC · director · last filing Jun 2016Flagship Ventures Fund 2007, L.P. · director · last filing Jun 2016Gordon Carl L · director · last filing Jun 2016Isaly Samuel D · director · last filing Jun 2016Leukon Investments, LP · director · last filing Jun 2016Orbimed Advisors LLC · director · last filing Jun 2016Orbimed Capital Gp III LLC · director · last filing Jun 2016Tas Partners, LLC · director · last filing Jun 2016Nanodimension Limited Partnership · 10% owner · last filing Jun 2016Nanodimension Management Ltd · 10% owner · last filing Jun 2016Osage Partners, LLC · 10% owner · last filing Jun 2016Osage University Gp II, L.P. · 10% owner · last filing Jun 2016Osage University Partners II, L.P. · 10% owner · last filing Jun 2016Polaris Venture Management Co. V, L.L.C. · 10% owner · last filing Jun 2016Polaris Venture Partners Entrepreneurs' Fund V, L.P. · 10% owner · last filing Jun 2016Polaris Venture Partners Founders' Fund V, L.P. · 10% owner · last filing Jun 2016Polaris Venture Partners Special Founders' Fund V, L.P. · 10% owner · last filing Jun 2016Polaris Venture Partners V, L.P. · 10% owner · last filing Jun 2016Rusnano · 10% owner · last filing Jun 2016Selecta Rkfn, Ltd. · 10% owner · last filing Jun 2016Vtb Capital I2bf Netherlands, B.V. · 10% owner · last filing Jun 2016Shaydullina Leysan · director · last filing Jun 2016Langer Robert · 10% owner · last filing Jun 2016Von Andrian Ulrich · 10% owner · last filing Jun 2016
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.