CABA

Cabaletta Bio, Inc.$2.59-0.32 (-10.82%)

Prev Close$2.91·MCap$446.8M·P/E—·Vol5.76M·Yield—

▲

Buys (12M)

$572.5K

▼

Sells (12M)

$0.00

◆

Net Activity

Net Buyer

$572.5K

●

Active Insiders

last 12 mo

Over the past 12 months, insider activity at Cabaletta Bio, Inc. (CABA) has been exclusively buying, with 8 insider purchases totaling $572.5K and 0 insider sales totaling $0.00. The most recent insider transaction was by Simon Mark (Director), who purchased $50.5K worth of shares on Jan 21, 2026. Cabaletta Bio, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $446.8M.

CABA Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Jan 21, 2026	Simon Mark	Director	Buy	22,122	$2.28	$50.5K	147,205
Jan 21, 2026	Binder Gwendolyn	President, Science & Tech.	Buy	22,624	$2.19	$49.5K	31,312+260%
Jan 21, 2026	Bollard Catherine	Director	Buy	8,810	$2.27	$20.0K	5,405
Jan 21, 2026	Gavel Steve	officer: Chief Commercial Officer	Buy	44,340	$2.26	$100.4K	22,170
Jan 21, 2026	Gerard Michael	officer: General Counsel	Buy	13,200	$2.27	$30.0K	6,600
Jan 21, 2026	Nichtberger Steven	President & CEO	Buy	90,000	$2.24	$201.6K	1,031,483
Jan 21, 2026	Tomasello Shawn	Director	Buy	45,450	$2.21	$100.6K	22,725
Jan 21, 2026	Chang David J.	Chief Medical Officer	Buy	8,800	$2.26	$19.9K	0
Jan 19, 2024	Binder Gwendolyn	See Remarks	Sell	11,000	$19.59	$215.4K	0
Dec 19, 2023	Binder Gwendolyn	See Remarks	Sell	11,000	$21.89	$240.8K	0
Nov 20, 2023	Binder Gwendolyn	See Remarks	Sell	11,000	$17.82	$196.0K	0
Oct 19, 2023	Binder Gwendolyn	See Remarks	Sell	11,000	$13.36	$146.9K	0
Sep 19, 2023	Binder Gwendolyn	See Remarks	Sell	11,000	$17.57	$193.2K	0
Aug 21, 2023	Binder Gwendolyn	See Remarks	Sell	11,000	$13.42	$147.6K	0
Jul 19, 2023	Binder Gwendolyn	See Remarks	Sell	11,000	$13.82	$152.0K	0
Jun 20, 2023	Binder Gwendolyn	See Remarks	Sell	11,000	$12.99	$142.9K	0
May 19, 2023	Binder Gwendolyn	See Remarks	Sell	22,000	$11.81	$259.8K	0
Oct 19, 2022	Nichtberger Steven	President & CEO	Buy	8,127	$1.25	$10.2K	0
Oct 18, 2022	Binder Gwendolyn	See Remarks	Buy	20,000	$0.99	$19.9K	0
Oct 18, 2022	Bollard Catherine	Director	Buy	1,000	$0.99	$993.50	0
Oct 18, 2022	Marda Anup	Chief Financial Officer	Buy	50,000	$0.99	$49.6K	0
Oct 18, 2022	Nichtberger Steven	President & CEO	Buy	141,873	$0.99	$141.0K	0
Oct 18, 2022	Simon Mark	Director	Buy	125,000	$0.98	$122.1K	0

CABA Insider Buying Activity

The following table shows recent insider purchases of Cabaletta Bio, Inc. (CABA) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Jan 21, 2026	Simon Mark	Director	Buy	22,122	$2.28	$50.5K	147,205
Jan 21, 2026	Binder Gwendolyn	President, Science & Tech.	Buy	22,624	$2.19	$49.5K	31,312+260%
Jan 21, 2026	Bollard Catherine	Director	Buy	8,810	$2.27	$20.0K	5,405
Jan 21, 2026	Gavel Steve	officer: Chief Commercial Officer	Buy	44,340	$2.26	$100.4K	22,170
Jan 21, 2026	Gerard Michael	officer: General Counsel	Buy	13,200	$2.27	$30.0K	6,600
Jan 21, 2026	Nichtberger Steven	President & CEO	Buy	90,000	$2.24	$201.6K	1,031,483
Jan 21, 2026	Tomasello Shawn	Director	Buy	45,450	$2.21	$100.6K	22,725
Jan 21, 2026	Chang David J.	Chief Medical Officer	Buy	8,800	$2.26	$19.9K	0
Oct 19, 2022	Nichtberger Steven	President & CEO	Buy	8,127	$1.25	$10.2K	0
Oct 18, 2022	Binder Gwendolyn	See Remarks	Buy	20,000	$0.99	$19.9K	0
Oct 18, 2022	Bollard Catherine	Director	Buy	1,000	$0.99	$993.50	0
Oct 18, 2022	Marda Anup	Chief Financial Officer	Buy	50,000	$0.99	$49.6K	0
Oct 18, 2022	Nichtberger Steven	President & CEO	Buy	141,873	$0.99	$141.0K	0
Oct 18, 2022	Simon Mark	Director	Buy	125,000	$0.98	$122.1K	0

CABA Insider Selling Activity

The following table shows recent insider sales of Cabaletta Bio, Inc. (CABA) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value
Jan 19, 2024	Binder Gwendolyn	See Remarks	Sell	11,000	$19.59	$215.4K
Dec 19, 2023	Binder Gwendolyn	See Remarks	Sell	11,000	$21.89	$240.8K
Nov 20, 2023	Binder Gwendolyn	See Remarks	Sell	11,000	$17.82	$196.0K
Oct 19, 2023	Binder Gwendolyn	See Remarks	Sell	11,000	$13.36	$146.9K
Sep 19, 2023	Binder Gwendolyn	See Remarks	Sell	11,000	$17.57	$193.2K
Aug 21, 2023	Binder Gwendolyn	See Remarks	Sell	11,000	$13.42	$147.6K
Jul 19, 2023	Binder Gwendolyn	See Remarks	Sell	11,000	$13.82	$152.0K
Jun 20, 2023	Binder Gwendolyn	See Remarks	Sell	11,000	$12.99	$142.9K
May 19, 2023	Binder Gwendolyn	See Remarks	Sell	22,000	$11.81	$259.8K