Question 1

Who are the insiders buying Cabaletta Bio, Inc. stock?

Accepted Answer

InsiderAct tracks all open-market purchases of Cabaletta Bio, Inc. stock by corporate insiders — including officers, directors, and shareholders owning more than 10% — sourced from public SEC Form 4 filings.

Question 2

What does insider buying at a company mean?

Accepted Answer

When a corporate officer, director, or major shareholder purchases their own company's stock on the open market using personal funds, it signals confidence in the company's outlook. This is especially meaningful when multiple insiders buy within the same 7–14 day window (cluster buying) or when the purchase size exceeds $100,000.

Question 3

How do I find cluster buying signals for a company?

Accepted Answer

InsiderAct automatically detects cluster buying — two or more insiders independently purchasing shares within a 14-day window. When a cluster buy signal is active for a company, it appears prominently on the company's InsiderAct page and on the Signals tab.

Question 4

Has Cabaletta Bio, Inc. had any recent large insider purchases?

Accepted Answer

InsiderAct tracks all open-market purchases of $100,000 or more at Cabaletta Bio, Inc.. Large insider purchases are flagged as high-conviction signals because they represent meaningful personal capital commitments by executives or directors who have direct visibility into the company's operations and prospects.

Question 5

Where do the insider transactions on this page come from?

Accepted Answer

All transactions shown on InsiderAct company pages are sourced directly from SEC EDGAR Form 4 filings — the mandatory public disclosures that corporate insiders must submit within 2 business days of any stock transaction. InsiderAct ingests these filings in near real time and filters for open-market purchases and sales.


2026-06-10	2026-06-09	Tomasello Shawn	Director	Award	22,000	$3.22	$70,840
2026-06-10	2026-06-09	Simon Mark	Director	Award	22,000	$3.22	$70,840
2026-06-10	2026-06-09	Henriques Richard C Jr	Director	Award	22,000	$3.22	$70,840
2026-06-10	2026-06-09	Bollard Catherine	Director	Award	22,000	$3.22	$70,840
2026-06-10	2026-06-09	Brun Scott C.	Director	Award	22,000	$3.22	$70,840
2026-03-03	2026-03-02	Gerard Michael	General Counsel	Award	175,000	$3.30	$577,500
2026-03-03	2026-03-02	Binder Gwendolyn	President	Award	225,000	$3.30	$742,500
2026-03-03	2026-03-02	Chang David J.	CMO	Award	225,000	$3.30	$742,500
2026-03-03	2026-03-02	Nichtberger Steven	CEO	Award	674,000	$3.30	$2,224,200
2026-03-03	2026-03-02	Marda Anup	CFO	Award	225,000	$3.30	$742,500

CABA

Latest Insider Transactions

Want to see more transactions?