Companies / Cartesian Therapeutics, Inc.
Cartesian Therapeutics, Inc.
Financials · FY2025
Ownership
30.3M shares outstanding · as of Jul 31, 2026
Ownership
| Insiders | 30.67% | 9,280,506 |
| 10%+ / strategic | 4.52% | 1,366,989 |
| Institutions | 14.76% | 4,464,871 |
| Public float | 50.05% | 15,142,986 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 12
View all →| Insider | % of shares | Shares |
|---|---|---|
Springer Timothy aDirector · 10% owner | 28.58% | 8,646,285 |
Kalayoglu MuratFormerDirector · 10% owner | 1.69% | 511,577 |
Brunn CarstenCEOPresident and CEO · Director | 1.07% | 323,530 |
Davis BlaineChief Financial Officer | 0.40% | 121,220 |
English EmilyFormerChief Operations Officer | 0.31% | 94,226 |
Miljkovic MilosChief Medical Officer | 0.19% | 58,820 |
Barabe Timothy CDirector | 0.19% | 56,966 |
Singer MichaelDirector | 0.16% | 49,578 |
Zenner Patrick JDirector | 0.04% | 12,974 |
DeSilva Nishan MFormerDirector | 0.04% | 11,366 |
Institutional holders 71
View all →| Holder | Value | % of shares |
|---|---|---|
| $9.86M | 4.52% | |
| $8.54M | 2.71% | |
| $3.90M | 1.79% | |
| $2.60M | 0.82% | |
| $2.02M | 0.93% | |
| $1.96M | 0.90% | |
| $1.75M | 0.94% | |
| $1.62M | 0.87% | |
| $1.58M | 0.50% | |
| $1.54M | 0.83% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Jan 6, 2026 | Brunn Carsten CEO | Sell | Common Stock | $162.1K | -24K -6.84% | 323,530 1.07% of shares | medium |
| Jan 6, 2026 | Davis Blaine Executive | Sell | Common Stock | $72.2K | -11K -8.04% | 121,220 0.40% of shares | low |
| Dec 30, 2025 | English Emily Executive | Exercise | Common Stock | $24.8K | +8K +11.96% | 70,226 0.23% of shares | low |
| Jan 6, 2026 | Miljkovic Milos Executive | Sell | Common Stock | $24.4K | -4K -5.73% | 58,820 0.19% of shares | low |
| Jan 2, 2026 | Davis Blaine Executive | Grant | Common Stock | $0 | +37K +39.02% | 131,811 0.44% of shares | low |
| Jan 2, 2026 | Malik Kemal Director | Grant | Common Stock | $0 | +3K +30.47% | 11,133 0.04% of shares | low |
| Jan 2, 2026 | Brunn Carsten CEO | Grant | Common Stock | $0 | +143K +70.16% | 347,296 1.15% of shares | low |
| Jan 2, 2026 | DeSilva Nishan M Director | Grant | Common Stock | $0 | +3K +29.66% | 11,366 0.04% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Fmr LLC | Passive13G/A | — |
| Squarepoint Ops LLC | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| RNAC | Common Stock | 816212302 |