RNAC
HealthcareCartesian Therapeutics, Inc.
$7.43-0.69 (-8.50%)
Prev Close
$8.12
Open
$8.23
High
$8.70
Low
$7.30
Volume
130.6K
Market Cap
$234.6M
P/E
—
Div Yield
—
Over the past 12 months, insider activity at Cartesian Therapeutics, Inc. (RNAC) has been dominated by buying, with 3 insider purchases totaling $3.10M and 4 insider sales totaling $420.7K. The most recent insider transaction was by Brunn Carsten (director, officer: President and CEO), who sold $162.1K worth of shares on Jan 8, 2026. Cartesian Therapeutics, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $234.6M.
Buys (12M)
3
$3.10M
Sells (12M)
4
$420.7K
Net Activity
Net Buyer
$2.68M
Active Insiders
5
last 12 mo
RNAC Price Chart
RNAC Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jan 8, 2026↗ | Brunn Carsten | director, officer: President and CEO | Sell | 23,766 | $6.82 | $162.1K | 323,530 |
| Jan 6, 2026↗ | Brunn Carsten | President and CEO | Sell | 23,766 | $6.82 | $162.1K | 0 |
| Jan 6, 2026↗ | Davis Blaine | Chief Financial Officer | Sell | 10,591 | $6.82 | $72.2K | 0 |
| Jan 6, 2026↗ | Miljkovic Milos | Chief Medical Officer | Sell | 3,573 | $6.82 | $24.4K | 0 |
| Dec 4, 2025↗ | BARABE TIMOTHY C | Director | Buy | 30,000 | $6.86 | $205.8K | 0 |
| Apr 9, 2025↗ | SPRINGER TIMOTHY A | Director | Buy | 149,075 | $10.21 | $1.52M | 0 |
| Mar 18, 2025↗ | SPRINGER TIMOTHY A | Director | Buy | 89,863 | $15.26 | $1.37M | 0 |
| Jan 15, 2025↗ | SPRINGER TIMOTHY A | Director | Buy | 20,967 | $17.47 | $366.4K | 8,531,460 |
| Jan 7, 2025↗ | Brunn Carsten | President and CEO | Sell | 17,271 | $16.78 | $289.8K | 212,804 |
| Dec 23, 2024↗ | SPRINGER TIMOTHY A | Director | Buy | 52,189 | $18.49 | $965.0K | 8,507,900 |
| Nov 18, 2024↗ | SPRINGER TIMOTHY A | Director | Buy | 431,940 | $17.07 | $7.37M | 8,455,710 |
| Oct 4, 2024↗ | SPRINGER TIMOTHY A | Director | Buy | 205,721 | $20.87 | $4.29M | 8,023,770 |
| Aug 14, 2024↗ | BARABE TIMOTHY C | Director | Buy | 7,500 | $12.70 | $95.3K | 21,766 |
| Aug 14, 2024↗ | SPRINGER TIMOTHY A | Director | Buy | 8,016 | $12.72 | $102.0K | 11,509 |
| Mar 28, 2024↗ | SPRINGER TIMOTHY A | Director | Buy | 18,400 | $0.62 | $11.4K | 104,818 |
| Mar 20, 2024↗ | SPRINGER TIMOTHY A | Director | Buy | 19,044 | $0.60 | $11.4K | 31,073,400 |
| Mar 18, 2024↗ | SPRINGER TIMOTHY A | Director | Buy | 1,185,872 | $0.56 | $666.2K | 31,054,400 |
| Sep 26, 2023↗ | Brunn Carsten | President and CEO | Sell | 2,932 | $1.06 | $3.1K | 783,081 |
| Sep 26, 2023↗ | TRABER PETER G | Chief Medical Officer | Sell | 705 | $1.06 | $747.30 | 451,826 |
| Jan 6, 2023↗ | Brunn Carsten | President and CEO | Sell | 41,070 | $1.13 | $46.5K | 799,534 |
| Jan 6, 2023↗ | Johnston Lloyd P. | Chief Operations Officer | Sell | 9,784 | $1.13 | $11.1K | 268,918 |
| Jan 6, 2023↗ | Kishimoto Takashi Kei | Chief Scientific Officer | Sell | 9,784 | $1.13 | $11.1K | 367,719 |
| Jan 6, 2023↗ | TRABER PETER G | Chief Medical Officer | Sell | 11,644 | $1.13 | $13.2K | 449,601 |
| Dec 7, 2022↗ | Brunn Carsten | President and CEO | Sell | 4,522 | $1.33 | $6.0K | 544,283 |
| Sep 30, 2022↗ | Brunn Carsten | President and CEO | Sell | 2,692 | $1.66 | $4.5K | 537,867 |
| Sep 6, 2022↗ | Brunn Carsten | President and CEO | Sell | 4,768 | $1.85 | $8.8K | 540,559 |
| Jun 15, 2022↗ | COX CARRIE SMITH | Director | Buy | 130,000 | $1.15 | $149.8K | 212,881 |
| May 11, 2022↗ | BARABE TIMOTHY C | Director | Buy | 50,000 | $0.77 | $38.7K | 250,013 |
| Mar 3, 2022↗ | Brunn Carsten | President and CEO | Sell | 5,443 | $1.81 | $9.9K | 523,452 |
| Jan 7, 2022↗ | Brunn Carsten | President and CEO | Sell | 13,597 | $3.09 | $42.0K | 517,958 |
| Jan 7, 2022↗ | Johnston Lloyd P. | Chief Operations Officer | Sell | 3,416 | $3.09 | $10.5K | 175,299 |
| Jan 7, 2022↗ | Kishimoto Takashi Kei | Chief Scientific Officer | Sell | 3,416 | $3.09 | $10.5K | 268,353 |
| Jan 7, 2022↗ | TRABER PETER G | Chief Medical Officer | Sell | 3,226 | $3.09 | $10.0K | 251,355 |
| Dec 17, 2021↗ | SPRINGER TIMOTHY A | Director | Buy | 211,190 | $2.99 | $631.1K | 23,186,900 |
| Dec 14, 2021↗ | Brunn Carsten | President and CEO | Sell | 17,196 | $2.99 | $51.4K | 305,255 |
| Dec 14, 2021↗ | Johnston Lloyd P. | Chief Operations Officer | Sell | 4,370 | $2.99 | $13.1K | 106,715 |
| Dec 14, 2021↗ | Kishimoto Takashi Kei | Chief Scientific Officer | Sell | 4,370 | $2.99 | $13.1K | 199,769 |
| Dec 14, 2021↗ | TRABER PETER G | Chief Medical Officer | Sell | 4,083 | $2.99 | $12.2K | 164,381 |
| Dec 13, 2021↗ | SPRINGER TIMOTHY A | Director | Buy | 3,821,273 | $3.06 | $11.69M | 22,975,700 |
| Dec 6, 2021↗ | COX CARRIE SMITH | Director | Buy | 17,200 | $2.95 | $50.7K | 82,881 |
| Dec 6, 2021↗ | DeSilva Nishan M | Director | Buy | 7,000 | $2.96 | $20.7K | 7,000 |
| Dec 6, 2021↗ | Tan Kevin | Chief Financial Officer | Buy | 5,000 | $3.03 | $15.1K | 5,000 |
| Dec 3, 2021↗ | Brunn Carsten | President and CEO | Sell | 4,746 | $2.96 | $14.1K | 284,951 |
| Oct 15, 2021↗ | Brunn Carsten | President and CEO | Sell | 15,313 | $4.39 | $67.2K | 278,759 |
| Oct 15, 2021↗ | Johnston Lloyd P. | Chief Operations Officer | Sell | 3,892 | $4.39 | $17.1K | 97,335 |
| Oct 15, 2021↗ | Kishimoto Takashi Kei | Chief Scientific Officer | Sell | 3,892 | $4.39 | $17.1K | 190,389 |
| Oct 15, 2021↗ | TRABER PETER G | Chief Medical Officer | Sell | 3,636 | $4.39 | $16.0K | 154,714 |
| Sep 3, 2021↗ | Brunn Carsten | President and CEO | Sell | 4,523 | $4.51 | $20.4K | 229,372 |
| Aug 20, 2021↗ | BARABE TIMOTHY C | Director | Buy | 9,000 | $4.00 | $36.0K | 190,013 |
| Jun 3, 2021↗ | Brunn Carsten | President and CEO | Sell | 4,806 | $4.38 | $21.0K | 222,958 |
Showing 1–50 of 58
1 / 2
RNAC Insider Buying Activity
The following table shows recent insider purchases of Cartesian Therapeutics, Inc. (RNAC) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Dec 4, 2025↗ | BARABE TIMOTHY C | Director | Buy | 30,000 | $6.86 | $205.8K | 0 |
| Apr 9, 2025↗ | SPRINGER TIMOTHY A | Director | Buy | 149,075 | $10.21 | $1.52M | 0 |
| Mar 18, 2025↗ | SPRINGER TIMOTHY A | Director | Buy | 89,863 | $15.26 | $1.37M | 0 |
| Jan 15, 2025↗ | SPRINGER TIMOTHY A | Director | Buy | 20,967 | $17.47 | $366.4K | 8,531,460 |
| Dec 23, 2024↗ | SPRINGER TIMOTHY A | Director | Buy | 52,189 | $18.49 | $965.0K | 8,507,900 |
| Nov 18, 2024↗ | SPRINGER TIMOTHY A | Director | Buy | 431,940 | $17.07 | $7.37M | 8,455,710 |
| Oct 4, 2024↗ | SPRINGER TIMOTHY A | Director | Buy | 205,721 | $20.87 | $4.29M | 8,023,770 |
| Aug 14, 2024↗ | BARABE TIMOTHY C | Director | Buy | 7,500 | $12.70 | $95.3K | 21,766 |
| Aug 14, 2024↗ | SPRINGER TIMOTHY A | Director | Buy | 8,016 | $12.72 | $102.0K | 11,509 |
| Mar 28, 2024↗ | SPRINGER TIMOTHY A | Director | Buy | 18,400 | $0.62 | $11.4K | 104,818 |
| Mar 20, 2024↗ | SPRINGER TIMOTHY A | Director | Buy | 19,044 | $0.60 | $11.4K | 31,073,400 |
| Mar 18, 2024↗ | SPRINGER TIMOTHY A | Director | Buy | 1,185,872 | $0.56 | $666.2K | 31,054,400 |
| Jun 15, 2022↗ | COX CARRIE SMITH | Director | Buy | 130,000 | $1.15 | $149.8K | 212,881 |
| May 11, 2022↗ | BARABE TIMOTHY C | Director | Buy | 50,000 | $0.77 | $38.7K | 250,013 |
| Dec 17, 2021↗ | SPRINGER TIMOTHY A | Director | Buy | 211,190 | $2.99 | $631.1K | 23,186,900 |
| Dec 13, 2021↗ | SPRINGER TIMOTHY A | Director | Buy | 3,821,273 | $3.06 | $11.69M | 22,975,700 |
| Dec 6, 2021↗ | COX CARRIE SMITH | Director | Buy | 17,200 | $2.95 | $50.7K | 82,881 |
| Dec 6, 2021↗ | DeSilva Nishan M | Director | Buy | 7,000 | $2.96 | $20.7K | 7,000 |
| Dec 6, 2021↗ | Tan Kevin | Chief Financial Officer | Buy | 5,000 | $3.03 | $15.1K | 5,000 |
| Aug 20, 2021↗ | BARABE TIMOTHY C | Director | Buy | 9,000 | $4.00 | $36.0K | 190,013 |
RNAC Insider Selling Activity
The following table shows recent insider sales of Cartesian Therapeutics, Inc. (RNAC) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jan 8, 2026↗ | Brunn Carsten | director, officer: President and CEO | Sell | 23,766 | $6.82 | $162.1K | 323,530 |
| Jan 6, 2026↗ | Brunn Carsten | President and CEO | Sell | 23,766 | $6.82 | $162.1K | 0 |
| Jan 6, 2026↗ | Davis Blaine | Chief Financial Officer | Sell | 10,591 | $6.82 | $72.2K | 0 |
| Jan 6, 2026↗ | Miljkovic Milos | Chief Medical Officer | Sell | 3,573 | $6.82 | $24.4K | 0 |
| Jan 7, 2025↗ | Brunn Carsten | President and CEO | Sell | 17,271 | $16.78 | $289.8K | 212,804 |
| Sep 26, 2023↗ | Brunn Carsten | President and CEO | Sell | 2,932 | $1.06 | $3.1K | 783,081 |
| Sep 26, 2023↗ | TRABER PETER G | Chief Medical Officer | Sell | 705 | $1.06 | $747.30 | 451,826 |
| Jan 6, 2023↗ | Brunn Carsten | President and CEO | Sell | 41,070 | $1.13 | $46.5K | 799,534 |
| Jan 6, 2023↗ | Johnston Lloyd P. | Chief Operations Officer | Sell | 9,784 | $1.13 | $11.1K | 268,918 |
| Jan 6, 2023↗ | Kishimoto Takashi Kei | Chief Scientific Officer | Sell | 9,784 | $1.13 | $11.1K | 367,719 |
| Jan 6, 2023↗ | TRABER PETER G | Chief Medical Officer | Sell | 11,644 | $1.13 | $13.2K | 449,601 |
| Dec 7, 2022↗ | Brunn Carsten | President and CEO | Sell | 4,522 | $1.33 | $6.0K | 544,283 |
| Sep 30, 2022↗ | Brunn Carsten | President and CEO | Sell | 2,692 | $1.66 | $4.5K | 537,867 |
| Sep 6, 2022↗ | Brunn Carsten | President and CEO | Sell | 4,768 | $1.85 | $8.8K | 540,559 |
| Mar 3, 2022↗ | Brunn Carsten | President and CEO | Sell | 5,443 | $1.81 | $9.9K | 523,452 |
| Jan 7, 2022↗ | Brunn Carsten | President and CEO | Sell | 13,597 | $3.09 | $42.0K | 517,958 |
| Jan 7, 2022↗ | Johnston Lloyd P. | Chief Operations Officer | Sell | 3,416 | $3.09 | $10.5K | 175,299 |
| Jan 7, 2022↗ | Kishimoto Takashi Kei | Chief Scientific Officer | Sell | 3,416 | $3.09 | $10.5K | 268,353 |
| Jan 7, 2022↗ | TRABER PETER G | Chief Medical Officer | Sell | 3,226 | $3.09 | $10.0K | 251,355 |
| Dec 14, 2021↗ | Brunn Carsten | President and CEO | Sell | 17,196 | $2.99 | $51.4K | 305,255 |
| Dec 14, 2021↗ | Johnston Lloyd P. | Chief Operations Officer | Sell | 4,370 | $2.99 | $13.1K | 106,715 |
| Dec 14, 2021↗ | Kishimoto Takashi Kei | Chief Scientific Officer | Sell | 4,370 | $2.99 | $13.1K | 199,769 |
| Dec 14, 2021↗ | TRABER PETER G | Chief Medical Officer | Sell | 4,083 | $2.99 | $12.2K | 164,381 |
| Dec 3, 2021↗ | Brunn Carsten | President and CEO | Sell | 4,746 | $2.96 | $14.1K | 284,951 |
| Oct 15, 2021↗ | Brunn Carsten | President and CEO | Sell | 15,313 | $4.39 | $67.2K | 278,759 |
| Oct 15, 2021↗ | Johnston Lloyd P. | Chief Operations Officer | Sell | 3,892 | $4.39 | $17.1K | 97,335 |
| Oct 15, 2021↗ | Kishimoto Takashi Kei | Chief Scientific Officer | Sell | 3,892 | $4.39 | $17.1K | 190,389 |
| Oct 15, 2021↗ | TRABER PETER G | Chief Medical Officer | Sell | 3,636 | $4.39 | $16.0K | 154,714 |
| Sep 3, 2021↗ | Brunn Carsten | President and CEO | Sell | 4,523 | $4.51 | $20.4K | 229,372 |
| Jun 3, 2021↗ | Brunn Carsten | President and CEO | Sell | 4,806 | $4.38 | $21.0K | 222,958 |
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