Cartesian Therapeutics, Inc. (RNAC) Insider Ownership

Historic Ownership Trends

Over the 90-day window ending December 12, 2025, Cartesian Therapeutics's three dominant insider ownership positions are held by Director Murat Kalayoglu (5.06Mn shares), TenPercentOwner Elizabeth Hoge (4.56Mn shares), Director Michael Singer (149.75K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Timothy A Springer 9,300,198 11 Apr, 2025
Murat Kalayoglu 5,064,237 06 Jan, 2025
Elizabeth Hoge 4,555,260 15 Oct, 2024
Peter G Traber Chief Medical Officer 15,059 26 Sep, 2023
Lloyd P. Johnston Chief Operations Officer 8,850 06 Jan, 2023
Takashi Kei Kishimoto Chief Scientific Officer 7,510 01 Jun, 2023
Carsten Brunn President And CEO 204,096 07 Jan, 2025
Aymeric Sallin 5,933 04 Jan, 2024
Michael Singer 149,752 19 Nov, 2025
Blaine Davis Chief Financial Officer 94,811 07 Jan, 2025
Kevin Tan Chief Financial Officer 2,566 05 Jan, 2022
Emily English Chief Operations Officer 62,726 02 Dec, 2025
Christopher M Jewell Chief Scientific Officer 62,490 13 Jan, 2025
Metin Kurtoglu Chief Technology Officer 62,258 07 Jan, 2025
Timothy C Barabe 54,366 08 Dec, 2025
Bradford D. Dahms Chief Financial Officer 1,267 06 Jan, 2021
Milos Miljkovic Chief Medical Officer 35,393 07 Jan, 2025
Carrie Smith Cox 15,629 06 Jan, 2025
Patrick J Zenner 10,374 06 Jan, 2025
Nishan M Desilva 8,766 06 Jan, 2025
Kemal Malik 8,533 06 Jan, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
04 Dec, 2025 Timothy C Barabe Common Stock A 30,000 $6.86 54,366 D P
28 Nov, 2025 Emily English Common Stock A 7,500 $3.30 62,726 D M
18 Nov, 2025 Michael Singer Common Stock D 20,000 $0.00 53,533 D G
12 May, 2025 Emily English Common Stock A 7,500 $3.30 55,226 D M
15 Apr, 2025 Emily English Common Stock A 7,500 $3.30 47,726 D M
09 Apr, 2025 Timothy A Springer Common Stock A 7,342 $9.43 8,628,667 D P
09 Apr, 2025 Timothy A Springer - - 8,628,667 D
09 Apr, 2025 Timothy A Springer - - 8,628,698 D
09 Apr, 2025 Timothy A Springer Common Stock A 31 $9.95 8,628,698 D P
09 Apr, 2025 Timothy A Springer - - 571,402 I
09 Apr, 2025 Timothy A Springer Common Stock A 41,604 $9.43 571,402 I P
09 Apr, 2025 Timothy A Springer - - 571,580 I
09 Apr, 2025 Timothy A Springer Common Stock A 178 $9.95 571,580 I P
10 Apr, 2025 Timothy A Springer - - 8,636,664 D
10 Apr, 2025 Timothy A Springer Common Stock A 7,966 $10.43 8,636,664 D P
10 Apr, 2025 Timothy A Springer Common Stock A 609 $10.92 8,637,273 D P
10 Apr, 2025 Timothy A Springer - - 8,637,273 D
10 Apr, 2025 Timothy A Springer - - 616,724 I
10 Apr, 2025 Timothy A Springer Common Stock A 45,144 $10.43 616,724 I P
10 Apr, 2025 Timothy A Springer - - 620,175 I