Cartesian Therapeutics, Inc.
Cartesian Therapeutics, Inc. (RNAC) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · RNAC · as of Jun 9, 2026
Activity summary
Buy transactions
17
P-Purchase only
Sell transactions
15
12 Months
Buy/Sell ratio
1.13
Buy/Sell (by trades)
Overall sentiment
Cartesian Therapeutics, Inc. insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 9, 2026
RNAC insider buying and selling by quarter
RNAC insider selling · RNAC insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 9, 2026
Active insiders
Most active in past 12 months · RNAC ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
RNAC executive sell shares · RNAC board member insider trading · RNAC insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Apr 2, 2026 | Hoge Elizabeth 10 percent owner | Option | 758,001 | — | Form 4 |
| Apr 2, 2026 | Kalayoglu Murat 10 percent owner | Option | 758,001 | — | Form 4 |
| Jan 6, 2026 | Brunn Carsten President and CEO · Director | Sale | 23,766 | $162K | Form 4 |
| Jan 2, 2026 | DeSilva Nishan M Director | Award | 2,600 | — | Form 4 |
| Jan 2, 2026 | Brunn Carsten President and CEO · Director | Award | 143,200 | — | Form 4 |
| Jan 2, 2026 | ZENNER PATRICK J Director | Award | 2,600 | — | Form 4 |
| Jan 2, 2026 | BARABE TIMOTHY C Director | Award | 2,600 | — | Form 4 |
| Jan 2, 2026 | SPRINGER TIMOTHY A Director | Award | 2,600 | — | Form 4 |
| Dec 4, 2025 | BARABE TIMOTHY C Director | Purchase | 30,000 | $206K | Form 4 |
| Apr 11, 2025 | SPRINGER TIMOTHY A Director | Purchase | 6,412 | $69K | Form 4 |
| Apr 10, 2025 | SPRINGER TIMOTHY A Director | Purchase | 609 | $7K | Form 4 |
| Apr 10, 2025 | SPRINGER TIMOTHY A Director | Purchase | 7,966 | $83K | Form 4 |
| Apr 9, 2025 | SPRINGER TIMOTHY A Director | Purchase | 31 | $308 | Form 4 |
| Apr 9, 2025 | SPRINGER TIMOTHY A Director | Purchase | 7,342 | $69K | Form 4 |
| Apr 11, 2025 | SPRINGER TIMOTHY A Director | Purchase | 36,338 | $391K | Form 4 |
| Apr 10, 2025 | SPRINGER TIMOTHY A Director | Purchase | 3,451 | $38K | Form 4 |
| Apr 10, 2025 | SPRINGER TIMOTHY A Director | Purchase | 45,144 | $471K | Form 4 |
| Apr 9, 2025 | SPRINGER TIMOTHY A Director | Purchase | 178 | $2K | Form 4 |
| Apr 9, 2025 | SPRINGER TIMOTHY A Director | Purchase | 41,604 | $392K | Form 4 |
| Mar 20, 2025 | SPRINGER TIMOTHY A Director | Purchase | 54,889 | $856K | Form 4 |
| Mar 19, 2025 | SPRINGER TIMOTHY A Director | Purchase | 20,234 | $303K | Form 4 |
| Mar 18, 2025 | SPRINGER TIMOTHY A Director | Purchase | 14,740 | $213K | Form 4 |
| Jan 14, 2025 | SPRINGER TIMOTHY A Director | Purchase | 4,022 | $72K | Form 4 |
| Jan 13, 2025 | SPRINGER TIMOTHY A Director | Purchase | 8,983 | $160K | Form 4 |
| Jan 13, 2025 | SPRINGER TIMOTHY A Director | Purchase | 7,962 | $134K | Form 4 |
Brunn Carsten
President and CEO · Director
Date
Jan 6
Shares
23,766
Price
$6.82
Value
$162K
Brunn Carsten
President and CEO · Director
Date
Jan 2
Shares
143,200
Price
—
Value
—
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About RNAC insider trading
RNAC insider trades
Cartesian Therapeutics, Inc. (RNAC) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Brunn Carsten (President and CEO · Director), BARABE TIMOTHY C (Director), Hoge Elizabeth (10 percent owner). Over the past 12 months, 5 insiders have filed transactions with the SEC. RNAC insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Cartesian Therapeutics, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
RNAC insider trading · 5 questionsThe insiders of Cartesian Therapeutics, Inc. (RNAC) include executives and directors such as Brunn Carsten (President and CEO · Director), BARABE TIMOTHY C (Director), Hoge Elizabeth (10 percent owner), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 9, 2026