Cabaletta Bio, Inc.

Cabaletta Bio, Inc.

CABA·NASDAQ

$3.42

-7.2%
HealthcareBiotechnology

Cabaletta Bio, Inc., a clinical-stage biotechnology company, focuses on the discovery and development of engineered T cell therapies for patients with B cell-mediated autoimmune diseases. Its proprietary technology utilizes chimeric autoantibody receptor (CAAR) T cells that are designed to selectively bind and eliminate B cells, which produce disease-causing autoantibodies or pathogenic B cells. The company's lead product candidate is DSG3-CAART, which is in Phase I clinical trial for the treatment of mucosal pemphigus vulgaris, an autoimmune blistering skin disease, and Hemophilia A with Factor VIII alloantibodies. Its product candidate pipeline also includes MuSK-CAART, a preclinical stage product to treat a subset of patients with myasthenia gravis; FVIII-CAART, a discovery stage product to treat a subset of patients with Hemophilia A; and DSG3/1-CAART, a discovery stage product for the treatment of mucocutaneous pemphigus vulgaris. It has a collaboration with the University of Pennsylvania; and research agreement with The Regents of the University of California. The company was formerly known as Tycho Therapeutics, Inc. and changed its name to Cabaletta Bio, Inc. in August 2018. Cabaletta Bio, Inc. was incorporated in 2017 and is headquartered in Philadelphia, Pennsylvania.

At a Glance

Live Snapshot
Market Cap$556.83M
EPS-1.6400
P/E Ratio-2.08
Earnings Date08/06/2026
-123.78%
Return on Invested Capital
70%
3Y+151.0%
5Y+301.0%
10Y-223.0%
-149.80%
Return on Equity
97%
3Y+196.0%
5Y+392.0%
10Y-249.0%
-101.68%
Return on Assets
62%
3Y+125.0%
5Y+250.0%
10Y-100.0%
Cabaletta Bio, Inc.

Cabaletta Bio, Inc. Management Team

CABA · NASDAQ
MH

Ms. Heather Harte-Hall M.Sc.

Chief Compliance Officer

female
MA

Mr. Anup Marda M.B.A.

Chief Financial Officer

Compensation

$548,197

Born 1978(Age 48)
male
DD

Dr. David J. Chang FACR, M.D., M.P.H.

Chief Medical Officer

Compensation

$765,123

Born 1963(Age 63)
DS

Dr. Samik Basu M.D.

Chief Scientific Officer

DQ

Dr. Qing Sarah Yuan Ph.D.

Chief Technology Officer

Born 1972(Age 54)
DA

Dr. Aimee Payne M.D., Ph.D.

Co-Founder & Co-Chair of Scientific Advisory Board

DM

Dr. Michael C. Milone M.D., Ph.D.

Co-Founder & Co-Chair of Scientific Advisory Board

DS

Dr. Steven A. Nichtberger M.D.

Co-Founder, Chairman, Chief Executive Officer & President

Compensation

$1,088,530

Born 1961(Age 65)
MM

Mr. Michael Gerard J.D.

General Counsel & Secretary

Born 1980(Age 46)
male
DG

Dr. Gwendolyn K. Binder Ph.D.

President of Science & Technology

Compensation

$743,786

Born 1975(Age 51)
caba

Cabaletta Bio, Inc. Insider Positioning

CABA · NASDAQ

During the last 12 months, insiders have purchased $557K worth of CABA shares, with no selling activity reported.

3 Months

Bought

0

0.00

Sold

0

0.00

Net Activity

+0

+$0

3-6 Months

Bought

132.1K

296.19K

Sold

0

0.00

Net Activity

+296K

+$296K

6-9 Months

Bought

0

0.00

Sold

0

0.00

Net Activity

+0

+$0

9-12 Months

Bought

110.0K

260.70K

Sold

0

0.00

Net Activity

+261K

+$261K

Top Buyers

1
TS

Tomasello Shawn

Director

44.7K shares2 transactions

$102K

2
NS

Nichtberger Steven

Director, Officer: President & Ceo

45.0K shares1 transactions

$101K

3
SM

Simon Mark

Director

33.1K shares2 transactions

$77K

4
BC

Bollard Catherine

Director

26.4K shares2 transactions

$62K

5
HRCJ

Henriques Richard C Jr

Director

22.0K shares1 transactions

$52K

Top Sellers

No selling activity

Insider Activity Analysis

Net Insider Sentiment

Bullish

Strong bullish signal with $557K net buying. Insiders are aggressively accumulating shares, suggesting significant confidence in future prospects.

Buy/Sell Ratio

∞:1

Perfect buy/sell ratio. Only buying activity with zero selling—the most bullish possible insider signal.

Insider Participation

High Buying

5 insider buyers vs. 0 sellers. Broad-based buying across management team suggests widespread confidence.

Insider Activity Insight

Compelling insider conviction: The combination of strong buy/sell ratio and multiple buyers suggests insiders see attractive risk/reward. Consider this alongside fundamental analysis for confirmation.

SEC Filings

CABA - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
DEF 14A

DEF 14A 2026

N/A

April 28, 2026
June 09, 2026
2026
DEF 14A

DEF 14A 2025

N/A

May 13, 2025
June 09, 2025
2025
DEF 14A

DEF 14A 2024

N/A

April 23, 2024
June 03, 2024
2024
DEF 14A

DEF 14A 2023

N/A

April 21, 2023
June 01, 2023
2023
DEF 14A

DEF 14A 2022

N/A

April 21, 2022
June 01, 2022
2022
DEF 14A

DEF 14A 2021

N/A

April 21, 2021
June 01, 2021
2021
DEF 14A

DEF 14A 2020

N/A

April 23, 2020
June 02, 2020
2020
Showing 1 to 7 of 7 filings