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Cartesian Therapeutics, Inc. (RNAC)

Cartesian Therapeutics, Inc. (RNAC) Insider Trading

Directors, officers and holders of more than 10% of RNAC report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 186 transactions on file: 6 with code P, 3 with code S and 41 with other codes.

DateInsiderCodeShares
Apr 2, 2026Kalayoglu MuratM Exercise758,001
Apr 2, 2026Kalayoglu MuratM Exercise22,740
Apr 2, 2026Hoge ElizabethM Exercise758,001
Apr 2, 2026Hoge ElizabethM Exercise22,740
Mar 13, 2026Singer MichaelG Gift6,555
Jan 6, 2026Brunn CarstenS Sale23,766
Jan 6, 2026Miljkovic MilosS Sale3,573
Jan 6, 2026Davis BlaineS Sale10,591
Jan 2, 2026Kalayoglu MuratA Award2,600
Jan 2, 2026English EmilyA Award24,000
Jan 2, 2026BARABE TIMOTHY CA Award7,800
Jan 2, 2026Miljkovic MilosA Award27,000
Jan 2, 2026ZENNER PATRICK JA Award2,600
Jan 2, 2026Malik KemalA Award7,800
Jan 2, 2026Singer MichaelA Award7,800
Jan 2, 2026Seymour June AnnA Award6,500
Jan 2, 2026DeSilva Nishan MA Award7,800
Jan 2, 2026ZENNER PATRICK JA Award7,800
Jan 2, 2026Brunn CarstenA Award415,700
Jan 2, 2026DeSilva Nishan MA Award2,600
Jan 2, 2026Davis BlaineA Award109,000
Jan 2, 2026English EmilyA Award71,000
Jan 2, 2026Malik KemalA Award2,600
Jan 2, 2026Miljkovic MilosA Award77,000
Jan 2, 2026Kalayoglu MuratA Award7,800
Jan 2, 2026BARABE TIMOTHY CA Award2,600
Jan 2, 2026Davis BlaineA Award37,000
Jan 2, 2026Seymour June AnnA Award19,000
Jan 2, 2026SPRINGER TIMOTHY AA Award2,600
Jan 2, 2026Singer MichaelA Award2,600
Jan 2, 2026SPRINGER TIMOTHY AA Award7,800
Jan 2, 2026Brunn CarstenA Award143,200
Dec 30, 2025English EmilyM Exercise7,500
Dec 30, 2025English EmilyM Exercise7,500
Dec 16, 2025Bot Adrian IonA Award5,800
Dec 16, 2025Bot Adrian IonA Award17,200
Dec 4, 2025BARABE TIMOTHY CP Purchase30,000
Nov 28, 2025English EmilyM Exercise7,500
Nov 28, 2025English EmilyM Exercise7,500
Nov 18, 2025Singer MichaelG Gift20,000
Oct 27, 2025Seymour June AnnA Award50,000
May 12, 2025English EmilyM Exercise7,500
May 12, 2025English EmilyM Exercise7,500
Apr 15, 2025English EmilyM Exercise7,500
Apr 15, 2025English EmilyM Exercise7,500
Apr 11, 2025SPRINGER TIMOTHY AP Purchase36,338
Apr 11, 2025SPRINGER TIMOTHY AP Purchase6,412
Apr 10, 2025SPRINGER TIMOTHY AP Purchase45,144
Apr 10, 2025SPRINGER TIMOTHY AP Purchase609
Apr 10, 2025SPRINGER TIMOTHY AP Purchase7,966

The full Form 4 history is on the RNAC company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.