RNAC
Cartesian Therapeutics, Inc.
Pharmaceutical PreparationsNasdaqNon-accelerated filer<br>Smaller reporting company
Total Trades
26
Buys
9
Sells
13
Largest Trade
$1M+
Insiders
8
Institutional Funds
46
Inst. Value
$1M+
Activist Filings
13
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Brunn Carsten | President and CEO | SELL | $100K–$500K | 24K | $6.82 | Jan 8, 2026 |
| Miljkovic Milos | Chief Medical Offi… | SELL | $15K–$50K | 4K | $6.82 | Jan 8, 2026 |
| Davis Blaine | CFO | SELL | $50K–$100K | 11K | $6.82 | Jan 8, 2026 |
| BARABE TIMOTHY C | Director | BUY | $100K–$500K | 30K | $6.86 | Dec 8, 2025 |
| SPRINGER TIMOTHY A | Director | BUY | $1M+ | 149K | $10.21 | Apr 11, 2025 |
| SPRINGER TIMOTHY A | Director | BUY | $1M+ | 90K | $15.26 | Mar 20, 2025 |
| SPRINGER TIMOTHY A | Director | BUY | $100K–$500K | 21K | $17.47 | Jan 15, 2025 |
| Kurtoglu Metin | CTO | SELL | $50K–$100K | 5K | $16.78 | Jan 8, 2025 |
| Miljkovic Milos | Chief Medical Offi… | SELL | $15K–$50K | 2K | $16.78 | Jan 8, 2025 |
| Jewell Christopher M | Chief Scientific O… | SELL | $15K–$50K | 3K | $16.78 | Jan 8, 2025 |
| English Emily | Chief Operations O… | SELL | $15K–$50K | 2K | $16.78 | Jan 8, 2025 |
| Brunn Carsten | President and CEO | SELL | $100K–$500K | 17K | $16.78 | Jan 8, 2025 |
| Davis Blaine | CFO | SELL | $100K–$500K | 8K | $16.78 | Jan 8, 2025 |
| SPRINGER TIMOTHY A | Director | BUY | $500K+ | 52K | $18.49 | Dec 23, 2024 |
| Kurtoglu Metin | CTO | SELL | $500K+ | 39K | $16.78 | Nov 21, 2024 |
| Kurtoglu Metin | CTO | EXERCISE | $50K–$100K | 39K | $1.41 | Nov 21, 2024 |
| SPRINGER TIMOTHY A | Director | BUY | $1M+ | 432K | $17.07 | Nov 19, 2024 |
| Kurtoglu Metin | CTO | SELL | $1M+ | 82K | $17.46 | Nov 19, 2024 |
| Kurtoglu Metin | CTO | EXERCISE | $100K–$500K | 82K | $1.41 | Nov 19, 2024 |
| Miljkovic Milos | Chief Medical Offi… | SELL | $500K+ | 55K | $16.50 | Nov 19, 2024 |
| Miljkovic Milos | Chief Medical Offi… | EXERCISE | $100K–$500K | 55K | $3.23 | Nov 19, 2024 |
| Jewell Christopher M | Chief Scientific O… | EXERCISE | $100K–$500K | 52K | $3.23 | Nov 19, 2024 |
| Jewell Christopher M | Chief Scientific O… | SELL | $500K+ | 52K | $16.79 | Nov 19, 2024 |
| SPRINGER TIMOTHY A | Director | BUY | $1M+ | 206K | $20.87 | Oct 4, 2024 |
| SPRINGER TIMOTHY A | Director | BUY | $1K–$15K | 18K | $0.62 | Mar 28, 2024 |
| SPRINGER TIMOTHY A | Director | BUY | $1K–$15K | 19K | $0.60 | Mar 20, 2024 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 46 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Erste Asset Management GmbH | 272K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 218K | $1M+ | SH |
| STATE STREET CORP | 199K | $1M+ | SH |
| Privium Fund Management B.V. | 173K | $1M+ | SH |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 96K | $500K+ | SH |
| GSA CAPITAL PARTNERS LLP | 77K | $500K+ | SH |
| UBS Group AG | 66K | $100K–$500K | SH |
| Walleye Capital LLC | 44K | $100K–$500K | SH |
| RENAISSANCE TECHNOLOGIES LLC | 41K | $100K–$500K | SH |
| Point72 Asset Management, L.P. | 34K | $100K–$500K | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 25K | $100K–$500K | SH |
| Nuveen, LLC | 24K | $100K–$500K | SH |
| Ikarian Capital, LLC | 21K | $100K–$500K | SH |
| JANE STREET GROUP, LLC | 19K | $100K–$500K | SH (Put) |
| Squarepoint Ops LLC | 18K | $100K–$500K | SH |
| BARCLAYS PLC | 18K | $100K–$500K | SH |
| Jain Global LLC | 17K | $100K–$500K | SH |
| Miller Financial Services LLC | 14K | $50K–$100K | SH |
| ALLIANCEBERNSTEIN L.P. | 13K | $50K–$100K | SH |
| RHUMBLINE ADVISERS | 12K | $50K–$100K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 5, 2026
5.3%
1.4M shares
SC 13G/A · Nov 5, 2025
8.3%
2.2M shares
SC 13G · Apr 25, 2025
6.1%
1.7M shares
SC 13G/A · Feb 12, 2025
9.4%
2.4M shares
SC 13D/A · Jan 15, 2025
36.9%
9.6M shares
SC 13D/A · Dec 24, 2024
36.8%
9.5M shares
SC 13D/A · Nov 19, 2024
37.1%
9.5M shares
SC 13D/A · Oct 15, 2024
505.8M shares
SC 13D/A · Oct 4, 2024
37.6%
9.0M shares
SC 13D/A · Sep 27, 2024
36.7%
8.8M shares
SC 13G · Aug 12, 2024
12.7%
2.7M shares
SC 13D/A · Jul 5, 2024
36.3%
8.8M shares
SC 13G/A · May 10, 2024
3.9%
698K shares