QUODD

Insider Transactions last 24 months for Cabaletta Bio, Inc. - NSDQ: CABA

Transactions
All	Buy	Sell	Option Exercise

Filer's Name	Relationship/ Title	Trans. Date	Trans. Type	Ownership Type	Security Type	Shares	Price	Trans. Value	Total Shares Owned
Gerard Michael	General Counsel	01/21/2026	AP	Direct	COM	6,600	$2.27	$14,979.36	6,600
Simon Mark	Director	01/21/2026	AP	Direct	COM	11,061	$2.28	$25,261.11	147,205
Nichtberger Steven	President & CEO	01/21/2026	AP	Direct	COM	45,000	$2.24	$100,777.50	1,031,483
Bollard Catherine	Director	01/21/2026	AP	Direct	COM	4,405	$2.27	$9,982.17	5,405
Gavel Steve	Chief Commercial Officer	01/21/2026	AP	Direct	COM	22,170	$2.27	$50,215.05	22,170
Tomasello Shawn	Director	01/21/2026	AP	Indirect	COM	22,725	$2.21	$50,322.24	22,725
Binder Gwendolyn	President, Science & Tech.	01/21/2026	AP	Direct	COM	11,312	$2.19	$24,763.10	31,312
Chang David J.	Chief Medical Officer	01/21/2026	AP	Direct	COM	8,800	$2.26	$19,888.00	8,800

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Transaction Type Key First letter: A = Acquired, D = Disposed Second letter: A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security \| D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) \| E = Expiration of short derivative position \| F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. \| G = Gift \| H = Expiration (or cancellation) of long derivative position with value received \| I = Discretionary transaction in accordance with Rule 16b-3(f) \| J = Other \| L = Small acquisition under Rule 16a-6 \| M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 \| O = Exercise of out-of-the-money derivative security \| P = Open market or private purchase \| S = Open market or private sale \| U = Disposition pursuant to a tender of shares in a change of control transaction \| W = Acquisition or disposition by will or the laws of descent and distribution \| X = Exercise of in-the-money or at-the-money derivative security \| Z = Deposit into or withdrawal from voting trust		Send to Excel

Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust

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