RNAC
insider transactionsCartesian Therapeutics, Inc. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Net shares · 365d
-37.9K
0 buy · 37.9K sell
Net value · 365d
-$258.7K
$0 in · $258.7K out
Sentiment · 365d
Net selling
0% buying · 100% selling
Open-market trades · 365d
3
0 buy · 37.9K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Exercise·M
—
22.7K sh
Own +208%
-
Exercise·M
—
758.0K sh
Own +17%
-
Exercise·M
10% Owner
—
22.7K sh
Own +208%
-
Exercise·M
10% Owner
—
758.0K sh
Own +17%
-
Other·G
Director
$0
6.6K sh
Own -12%
-
Sell·S
Chief Medical Officer
$24.4K
3.6K sh · $6.82
Own -6%
-
Sell·S
Blaine Davis KEY
Chief Financial Officer
$72.2K
10.6K sh · $6.82
Own -8%
-
Sell·S
Carsten Brunn KEY
President and CEO
$162.1K
23.8K sh · $6.82
Own -7%
-
Grant·A
Director
$0
7.8K sh
Own New
-
Grant·A
Director
$0
2.6K sh
Own +30%
-
Grant·A
Director
$0
7.8K sh
Own New
-
Grant·A
Director
$0
2.6K sh
Own +30%
-
Grant·A
Chief Medical Officer
$0
77.0K sh
Own New
-
Grant·A
Chief Medical Officer
$0
27.0K sh
Own +76%
-
Grant·A
Director
$0
7.8K sh
Own New
-
Grant·A
Director
$0
2.6K sh
Own +25%
-
Grant·A
Chief Accounting Officer
$0
19.0K sh
Own New
-
Grant·A
Chief Accounting Officer
$0
6.5K sh
Own New
-
Grant·A
Blaine Davis KEY
Chief Financial Officer
$0
109.0K sh
Own New
-
Grant·A
Blaine Davis KEY
Chief Financial Officer
$0
37.0K sh
Own +39%
-
Grant·A
Chief Operations Officer
$0
71.0K sh
Own New
-
Grant·A
Chief Operations Officer
$0
24.0K sh
Own +34%
-
Grant·A
Director
$0
7.8K sh
Own New
-
Grant·A
Director
$0
2.6K sh
Own +5%
-
Grant·A
Director, 10% Owner
$0
7.8K sh
Own New
-
Grant·A
Director, 10% Owner
$0
2.6K sh
Own +0%
-
Grant·A
Director, 10% Owner
$0
7.8K sh
Own New
-
Grant·A
Director, 10% Owner
$0
2.6K sh
Own +1%
-
Grant·A
Carsten Brunn KEY
President and CEO
$0
415.7K sh
Own New
-
Grant·A
Carsten Brunn KEY
President and CEO
$0
143.2K sh
Own +70%
-
Exercise·M
Chief Operations Officer
—
7.5K sh
Own +63%
-
Exercise·M
Chief Operations Officer
$24.8K
7.5K sh · $3.30
Own +12%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Apr 2, 2026 | Elizabeth Hoge / Seven One Eight Three Four Irrevocable Trust | Exercise M | 22.7K | — |
| Apr 2, 2026 | Elizabeth Hoge / Seven One Eight Three Four Irrevocable Trust | Exercise M | 758.0K | — |
| Apr 2, 2026 | Murat Kalayoglu | Exercise M | 22.7K | — |
| Apr 2, 2026 | Murat Kalayoglu | Exercise M | 758.0K | — |
| Mar 13, 2026 | Michael Singer | Other G | 6.6K | $0 |
| Jan 6, 2026 | Milos Miljkovic | Sell S | 3.6K | $24.4K |
| Jan 6, 2026 | Blaine Davis KEY | Sell S | 10.6K | $72.2K |
| Jan 6, 2026 | Carsten Brunn KEY | Sell S | 23.8K | $162.1K |
| Jan 2, 2026 | Nishan M Desilva | Grant A | 7.8K | $0 |
| Jan 2, 2026 | Nishan M Desilva | Grant A | 2.6K | $0 |
| Jan 2, 2026 | Kemal Malik | Grant A | 7.8K | $0 |
| Jan 2, 2026 | Kemal Malik | Grant A | 2.6K | $0 |
| Jan 2, 2026 | Milos Miljkovic | Grant A | 77.0K | $0 |
| Jan 2, 2026 | Milos Miljkovic | Grant A | 27.0K | $0 |
| Jan 2, 2026 | ZENNER PATRICK J | Grant A | 7.8K | $0 |
| Jan 2, 2026 | ZENNER PATRICK J | Grant A | 2.6K | $0 |
| Jan 2, 2026 | June Ann Seymour | Grant A | 19.0K | $0 |
| Jan 2, 2026 | June Ann Seymour | Grant A | 6.5K | $0 |
| Jan 2, 2026 | Blaine Davis KEY | Grant A | 109.0K | $0 |
| Jan 2, 2026 | Blaine Davis KEY | Grant A | 37.0K | $0 |
| Jan 2, 2026 | Emily English | Grant A | 71.0K | $0 |
| Jan 2, 2026 | Emily English | Grant A | 24.0K | $0 |
| Jan 2, 2026 | Michael Singer | Grant A | 7.8K | $0 |
| Jan 2, 2026 | Michael Singer | Grant A | 2.6K | $0 |
| Jan 2, 2026 | Timothy A Springer | Grant A | 7.8K | $0 |
| Jan 2, 2026 | Timothy A Springer | Grant A | 2.6K | $0 |
| Jan 2, 2026 | Murat Kalayoglu | Grant A | 7.8K | $0 |
| Jan 2, 2026 | Murat Kalayoglu | Grant A | 2.6K | $0 |
| Jan 2, 2026 | Carsten Brunn KEY | Grant A | 415.7K | $0 |
| Jan 2, 2026 | Carsten Brunn KEY | Grant A | 143.2K | $0 |
| Dec 30, 2025 | Emily English | Exercise M | 7.5K | — |
| Dec 30, 2025 | Emily English | Exercise M | 7.5K | $24.8K |
About RNAC insider trading
This page tracks insider transactions for Cartesian Therapeutics, Inc. (RNAC) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.