Cartesian Therapeutics, Inc. SEC filings RNAC

Cartesian Therapeutics, Inc. has 876 filings in SEC EDGAR's recent list, going back to Jan 5, 2009. Its latest annual report, Form 10-K, was filed on Mar 9, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.

Cartesian Therapeutics, Inc. SEC filings
Form Description Filed Period
10-Q Quarterly report Nov 5, 2026 Sep 30, 2026
8-K Current report
Results of operations
Nov 5, 2026 Nov 5, 2026
8-K Current report
Regulation FD disclosure, Other events
Sep 29, 2026 Sep 29, 2026
10-Q Quarterly report Aug 6, 2026 Jun 30, 2026
8-K Current report
Results of operations
Aug 6, 2026 Aug 6, 2026
8-K Current report
Shareholder vote results
Jun 17, 2026 Jun 12, 2026
8-K Current report
Regulation FD disclosure
Jun 9, 2026 Jun 9, 2026
8-K Current report
Material agreement, New debt, Unregistered share sale, Officer or director change, Regulation FD disclosure
May 26, 2026 May 22, 2026
S-8 Employee stock plan registration Apr 30, 2026 —
10-Q Quarterly report Apr 30, 2026 Mar 31, 2026
8-K Current report
Results of operations
Apr 30, 2026 Apr 30, 2026
DEF 14A Proxy statement Apr 28, 2026 Dec 31, 2025
DEFA14A Additional proxy material Apr 28, 2026 —
8-K Current report
Officer or director change
Mar 30, 2026 Mar 26, 2026
10-K Annual report Mar 9, 2026 Dec 31, 2025
8-K Current report
Results of operations
Mar 9, 2026 Mar 9, 2026
8-K Current report
Regulation FD disclosure
Jan 9, 2026 Jan 9, 2026
8-K Current report
Officer or director change, Regulation FD disclosure
Dec 18, 2025 Dec 16, 2025
8-K Current report
Regulation FD disclosure, Other events
Nov 13, 2025 Nov 13, 2025
10-Q Quarterly report Nov 6, 2025 Sep 30, 2025
8-K Current report
Results of operations
Nov 6, 2025 Nov 6, 2025
8-K Current report
Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
Oct 30, 2025 Oct 29, 2025
8-K Current report
Officer or director change
Oct 21, 2025 Oct 15, 2025
8-K Current report
Officer or director change
Oct 8, 2025 Oct 2, 2025
10-Q Quarterly report Aug 7, 2025 Jun 30, 2025
8-K Current report
Results of operations
Aug 7, 2025 Aug 7, 2025
8-K Current report
Shareholder vote results
Jun 16, 2025 Jun 13, 2025
8-K Current report
Other events
May 30, 2025 May 30, 2025
S-8 Employee stock plan registration May 8, 2025 —
10-Q Quarterly report May 8, 2025 Mar 31, 2025
8-K Current report
Results of operations
May 8, 2025 May 8, 2025
8-K Current report
Officer or director change
Apr 29, 2025 Apr 29, 2025
DEF 14A Proxy statement Apr 28, 2025 Dec 31, 2024
DEFA14A Additional proxy material Apr 28, 2025 —
8-K Current report
Regulation FD disclosure, Other events
Apr 8, 2025 Apr 8, 2025
10-K Annual report Mar 13, 2025 Dec 31, 2024
8-K Current report
Results of operations
Mar 13, 2025 Mar 13, 2025
8-K Current report
Regulation FD disclosure
Mar 3, 2025 Mar 3, 2025
8-K Current report
Other events
Jan 27, 2025 Jan 27, 2025
EFFECT Filing Jan 13, 2025 —
EFFECT Filing Jan 13, 2025 —
8-K Current report
Regulation FD disclosure
Jan 13, 2025 Jan 13, 2025
POS AM Filing Jan 10, 2025 —
POS AM Filing Jan 10, 2025 —
EFFECT Filing Jan 8, 2025 —
EFFECT Filing Jan 8, 2025 —
EFFECT Filing Jan 8, 2025 —
424B7 Filing Jan 8, 2025 —
424B7 Filing Jan 8, 2025 —
424B3 Prospectus Jan 8, 2025 —
CORRESP Letter to the SEC Jan 6, 2025 —
CORRESP Letter to the SEC Jan 6, 2025 —
CORRESP Letter to the SEC Jan 6, 2025 —
UPLOAD Letter from the SEC Dec 19, 2024 —
UPLOAD Letter from the SEC Dec 19, 2024 —
UPLOAD Letter from the SEC Dec 19, 2024 —
S-3 Shelf registration Dec 13, 2024 —
S-3 Shelf registration Dec 13, 2024 —
S-3 Shelf registration Dec 13, 2024 —
8-K Current report
Regulation FD disclosure, Other events
Dec 3, 2024 Dec 3, 2024
S-8 Employee stock plan registration Nov 7, 2024 —
10-Q Quarterly report Nov 7, 2024 Sep 30, 2024
8-K Current report
Results of operations
Nov 7, 2024 Nov 7, 2024
EFFECT Filing Oct 1, 2024 —
424B7 Filing Oct 1, 2024 —
CORRESP Letter to the SEC Sep 27, 2024 —
8-K Current report
Other events
Sep 26, 2024 Sep 25, 2024
8-K Current report
Shareholder vote results
Sep 23, 2024 Sep 20, 2024
CORRESP Letter to the SEC Sep 20, 2024 —
S-1/A Amended registration statement Sep 20, 2024 —
UPLOAD Letter from the SEC Sep 16, 2024 —
CORRESP Letter to the SEC Sep 9, 2024 —
S-1/A Amended registration statement Sep 9, 2024 —
UPLOAD Letter from the SEC Aug 29, 2024 —
DEF 14A Proxy statement Aug 16, 2024 Sep 20, 2024
10-Q Quarterly report Aug 8, 2024 Jun 30, 2024
8-K Current report
Results of operations, Regulation FD disclosure
Aug 8, 2024 Aug 8, 2024
PRE 14A Preliminary proxy statement Aug 2, 2024 Aug 2, 2024
S-1 Registration statement Aug 2, 2024 —
D Filing Jul 17, 2024 —
8-K Current report
Material agreement, Unregistered share sale, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure, Other events
Jul 2, 2024 Jul 1, 2024
8-K Current report
Officer or director change, Shareholder vote results
Jun 17, 2024 Jun 14, 2024
8-K Current report
Regulation FD disclosure, Other events
May 22, 2024 May 22, 2024
10-Q Quarterly report May 8, 2024 Mar 31, 2024
8-K Current report
Results of operations, Regulation FD disclosure
May 8, 2024 May 8, 2024
DEF 14A Proxy statement Apr 26, 2024 Dec 31, 2023
DEFA14A Additional proxy material Apr 26, 2024 —
8-K Current report
Other events
Apr 22, 2024 Apr 19, 2024
8-K Current report
Regulation FD disclosure, Other events
Apr 9, 2024 Apr 8, 2024
8-K Current report
Officer or director change
Apr 1, 2024 Mar 26, 2024
8-K Current report
Bylaw or fiscal year change, Shareholder vote results, Regulation FD disclosure, Other events
Mar 28, 2024 Mar 26, 2024
8-K Current report
Agreement ended
Mar 14, 2024 Mar 8, 2024
10-K Annual report Mar 7, 2024 Dec 31, 2023
8-K Current report
Results of operations
Mar 7, 2024 Mar 7, 2024
8-K Current report
Material agreement, Officer or director change, Regulation FD disclosure
Mar 5, 2024 Feb 28, 2024
DEFA14A Additional proxy material Feb 14, 2024 —
DEF 14A Proxy statement Feb 14, 2024 Feb 14, 2024
PRE 14A Preliminary proxy statement Jan 31, 2024 Jan 31, 2024
8-K/A Amended current report Jan 23, 2024 Nov 13, 2023
8-K Current report
Listing notice
Jan 19, 2024 Jan 17, 2024
S-8 Employee stock plan registration Jan 12, 2024 —
8-K Current report
Regulation FD disclosure
Jan 8, 2024 Jan 8, 2024
8-A12G Filing Dec 8, 2023 —
D/A Filing Dec 4, 2023 —
EFFECT Filing Dec 1, 2023 —
D Filing Dec 1, 2023 —
CORRESP Letter to the SEC Dec 1, 2023 —
S-3/A Filing Dec 1, 2023 —
8-K Current report
Officer or director change
Nov 27, 2023 Nov 21, 2023
10-Q Quarterly report Nov 13, 2023 Sep 30, 2023
DEFA14A Additional proxy material Nov 13, 2023 —
8-K Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
Nov 13, 2023 Nov 13, 2023
8-K Current report
Material agreement, Officer or director change, Other events
Oct 31, 2023 Oct 31, 2023
CORRESP Letter to the SEC Oct 30, 2023 —
UPLOAD Letter from the SEC Oct 30, 2023 —
S-3 Shelf registration Oct 25, 2023 —
8-K Current report
Officer or director change
Sep 25, 2023 Aug 25, 2023
8-K Current report
Other events
Sep 13, 2023 Sep 11, 2023
S-8 Employee stock plan registration Aug 17, 2023 —
10-Q Quarterly report Aug 17, 2023 Jun 30, 2023
8-K Current report
Results of operations
Aug 17, 2023 Aug 17, 2023
NT 10-Q Filing Aug 14, 2023 Jun 30, 2023
8-K Current report
Shareholder vote results
Jun 16, 2023 Jun 16, 2023
DEFA14A Additional proxy material Jun 13, 2023 —
10-Q Quarterly report May 4, 2023 Mar 31, 2023
DEF 14A Proxy statement Apr 28, 2023 —
DEFA14A Additional proxy material Apr 28, 2023 —
PRE 14A Preliminary proxy statement Apr 18, 2023 —
8-K Current report
Material agreement
Apr 4, 2023 Mar 31, 2023
8-K Current report
Regulation FD disclosure, Other events
Mar 21, 2023 Mar 21, 2023
10-K Annual report Mar 2, 2023 Dec 31, 2022
8-K Current report
Officer or director change, Regulation FD disclosure
Jan 9, 2023 Jan 4, 2023
8-K Current report
Regulation FD disclosure
Dec 14, 2022 Dec 14, 2022
8-K Current report
Officer or director change, Regulation FD disclosure
Nov 28, 2022 Nov 22, 2022
8-K Current report
Regulation FD disclosure
Nov 18, 2022 Nov 18, 2022
10-Q Quarterly report Nov 3, 2022 Sep 30, 2022
8-K Current report
Results of operations
Nov 3, 2022 Nov 3, 2022
8-K Current report
Bylaw or fiscal year change
Aug 22, 2022 Aug 19, 2022
10-Q Quarterly report Aug 8, 2022 Jun 30, 2022
8-K Current report
Regulation FD disclosure
Aug 4, 2022 Aug 4, 2022
8-K Current report
Results of operations
Aug 4, 2022 Aug 4, 2022
8-K Current report
Other events
Jun 30, 2022 Jun 29, 2022
8-K Current report
Other events
Jun 22, 2022 Jun 22, 2022
8-K Current report
Bylaw or fiscal year change
Jun 21, 2022 Jun 21, 2022
8-K Current report
Shareholder vote results
Jun 17, 2022 Jun 17, 2022
8-K Current report
Regulation FD disclosure
Jun 13, 2022 Jun 13, 2022
8-K Current report
Listing notice
Jun 3, 2022 May 31, 2022
8-K Current report
Other events
May 18, 2022 May 3, 2022
S-8 Employee stock plan registration May 5, 2022 —
10-Q Quarterly report May 5, 2022 Mar 31, 2022
8-K Current report
Results of operations
May 5, 2022 May 5, 2022
DEFR14A Filing May 3, 2022 —
DEF 14A Proxy statement May 3, 2022 Dec 31, 2021
DEFA14A Additional proxy material May 3, 2022 —
10-K/A Amended annual report Apr 28, 2022 Dec 31, 2021
PRE 14A Preliminary proxy statement Apr 22, 2022 Dec 31, 2021
DEF 14A Proxy statement Apr 22, 2022 Dec 31, 2021
8-K Current report
Regulation FD disclosure
Apr 13, 2022 Apr 13, 2022
8-K Current report
Material agreement, Other events
Apr 7, 2022 Apr 6, 2022
424B5 Prospectus supplement Apr 7, 2022 —
8-K Current report
Other events
Apr 6, 2022 Apr 6, 2022
8-K Current report
Material agreement, New debt, Other events
Mar 22, 2022 Mar 21, 2022
10-K Annual report Mar 10, 2022 Dec 31, 2021
8-K Current report
Results of operations
Mar 10, 2022 Mar 10, 2022
8-K Current report
Regulation FD disclosure
Feb 16, 2022 Feb 16, 2022
8-K Current report
Other events
Feb 10, 2022 Feb 9, 2022
8-K Current report
Other events
Jan 10, 2022 Jan 3, 2022
8-K Current report
Other events
Nov 24, 2021 Nov 23, 2021
10-Q Quarterly report Nov 9, 2021 Sep 30, 2021
8-K Current report
Results of operations
Nov 9, 2021 Nov 9, 2021
8-K Current report
Regulation FD disclosure, Other events
Nov 8, 2021 Nov 8, 2021
8-K Current report
Other events
Oct 26, 2021 Oct 25, 2021
8-K Current report
Material agreement, Agreement ended
Oct 25, 2021 Oct 22, 2021
424B5 Prospectus supplement Oct 25, 2021 —
8-K Current report
Other events
Oct 21, 2021 Oct 21, 2021
8-K Current report
Other events
Oct 4, 2021 Oct 1, 2021
8-K Current report
Bylaw or fiscal year change, Regulation FD disclosure
Sep 30, 2021 Sep 24, 2021
8-K Current report
Officer or director change
Sep 20, 2021 Sep 20, 2021
8-K Current report
Other events
Sep 8, 2021 Sep 7, 2021
10-Q Quarterly report Aug 12, 2021 Jun 30, 2021
8-K Current report
Results of operations
Aug 12, 2021 Aug 12, 2021
8-K Current report
Officer or director change
Jun 24, 2021 Jun 23, 2021
8-K Current report
Shareholder vote results
Jun 21, 2021 Jun 18, 2021
S-8 Employee stock plan registration May 13, 2021 —
10-Q Quarterly report May 13, 2021 Mar 31, 2021
8-K Current report
Results of operations, Officer or director change
May 13, 2021 May 10, 2021
8-K Current report
Other events
Apr 29, 2021 Apr 29, 2021
DEF 14A Proxy statement Apr 29, 2021 Apr 29, 2021
DEFA14A Additional proxy material Apr 29, 2021 —
8-K Current report
Other events
Apr 15, 2021 Apr 13, 2021
10-K Annual report Mar 12, 2021 Dec 31, 2020
8-K Current report
Results of operations
Mar 11, 2021 Mar 11, 2021
8-K Current report
Other events
Jan 6, 2021 Jan 6, 2021
10-Q Quarterly report Nov 5, 2020 Sep 30, 2020
8-K Current report
Results of operations
Nov 5, 2020 Nov 5, 2020
8-K Current report
Other events
Oct 8, 2020 Oct 8, 2020
8-K Current report
Results of operations, Regulation FD disclosure, Other events
Sep 30, 2020 Sep 30, 2020
8-K Current report
Material agreement, Agreement ended, New debt, Unregistered share sale
Sep 3, 2020 Aug 31, 2020
D Filing Aug 18, 2020 —
EFFECT Filing Aug 14, 2020 —

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Pharmaceutical Preparations (SIC 2834)
Listed as
RNAC (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Frederick, MD
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
1453687
Former names
SELECTA BIOSCIENCES INC (until Nov 13, 2023)

Other Pharmaceutical Preparations companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.