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Cabaletta Bio, Inc. (CABA)

Cabaletta Bio, Inc. (CABA) Insider Trading

Directors, officers and holders of more than 10% of CABA 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 135 transactions on file: 8 with code P, 0 with code S and 42 with other codes.

DateInsiderCodeShares
Jun 9, 2026Simon MarkA Award22,000
Jun 9, 2026Bollard CatherineA Award22,000
Jun 9, 2026HENRIQUES RICHARD C JRA Award22,000
Jun 9, 2026Brun Scott C.A Award22,000
Jun 9, 2026Tomasello ShawnA Award22,000
Mar 2, 2026Binder GwendolynA Award225,000
Mar 2, 2026Das ArunA Award175,000
Mar 2, 2026Marda AnupA Award225,000
Mar 2, 2026Nichtberger StevenA Award674,000
Mar 2, 2026Gerard MichaelA Award175,000
Mar 2, 2026Chang David J.A Award225,000
Jan 21, 2026Simon MarkP Purchase11,061
Jan 21, 2026Tomasello ShawnP Purchase22,725
Jan 21, 2026Nichtberger StevenP Purchase45,000
Jan 21, 2026Binder GwendolynP Purchase11,312
Jan 21, 2026Chang David J.P Purchase8,800
Jan 21, 2026Bollard CatherineP Purchase4,405
Jan 21, 2026Gavel SteveP Purchase22,170
Jan 21, 2026Gerard MichaelP Purchase6,600
Oct 13, 2025Gavel SteveA Award275,000
Jun 9, 2025Simon MarkA Award22,000
Jun 9, 2025Tomasello ShawnA Award22,000
Jun 9, 2025HENRIQUES RICHARD C JRA Award22,000
Jun 9, 2025Brun Scott C.A Award22,000
Jun 9, 2025Bollard CatherineA Award22,000
May 19, 2025Nichtberger StevenA Award300,000
May 19, 2025Chang David J.A Award38,238
May 19, 2025Chang David J.D Disposition38,238
May 19, 2025Chang David J.D Disposition113,500
May 19, 2025Chang David J.A Award113,500
May 19, 2025Nichtberger StevenD Disposition300,000
May 19, 2025Chang David J.A Award48,836
May 19, 2025Chang David J.D Disposition48,836
May 19, 2025Chang David J.A Award185,709
May 19, 2025Chang David J.D Disposition185,709
May 19, 2025Nichtberger StevenA Award99,714
May 19, 2025Nichtberger StevenA Award353,000
May 19, 2025Nichtberger StevenD Disposition353,000
May 19, 2025Nichtberger StevenA Award411,600
May 19, 2025Nichtberger StevenD Disposition411,600
May 19, 2025Nichtberger StevenD Disposition380,000
May 19, 2025Nichtberger StevenA Award380,000
May 19, 2025Nichtberger StevenA Award333,500
May 19, 2025Chang David J.A Award130,000
May 19, 2025Chang David J.D Disposition130,000
May 19, 2025Nichtberger StevenD Disposition333,500
May 19, 2025Chang David J.A Award150,000
May 19, 2025Chang David J.D Disposition150,000
May 19, 2025Chang David J.A Award135,000
May 19, 2025Chang David J.D Disposition135,000

The full Form 4 history is on the CABA 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.