Michael Gerard

CIK: 0001881529

Transaction Breakdown

Open Market Buys (P)1 (9.1%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)6 (54.5%)

Compensation grants

Other (G, F, J, C, D, …)4 (36.4%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

CABA

Cabaletta Bio, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (11 total)

CABA
Cabaletta Bio, Inc.
Mar 2, 2026
Award(A)
Stock Option (Right to Buy)
Direct
175K shares-
CABA
Cabaletta Bio, Inc.
Jan 21, 2026
Purchase(P)
Direct
6.6K shares at avg. $2.27$15K
CABA
Cabaletta Bio, Inc.
May 19, 2025
Award(A)
Stock Option (Right to Buy)
Direct
100K shares-
CABA
Cabaletta Bio, Inc.
May 19, 2025
Disposition(D)
Stock Option (Right to Buy)
Direct
75K shares-
CABA
Cabaletta Bio, Inc.
May 19, 2025
Award(A)
Stock Option (Right to Buy)
Direct
75K shares-
CABA
Cabaletta Bio, Inc.
May 19, 2025
Disposition(D)
Stock Option (Right to Buy)
Direct
112.5K shares-
CABA
Cabaletta Bio, Inc.
May 19, 2025
Award(A)
Stock Option (Right to Buy)
Direct
112.5K shares-
CABA
Cabaletta Bio, Inc.
May 19, 2025
Disposition(D)
Stock Option (Right to Buy)
Direct
100K shares-
CABA
Cabaletta Bio, Inc.
May 19, 2025
Award(A)
Stock Option (Right to Buy)
Direct
100K shares-
CABA
Cabaletta Bio, Inc.
May 19, 2025
Disposition(D)
Stock Option (Right to Buy)
Direct
100K shares-
CABA
Cabaletta Bio, Inc.
Mar 3, 2025
Award(A)
Stock Option (Right to Buy)
Direct
115K shares-

		Type	Shares	Price		Ownership
Mar 2, 2026	CABA Cabaletta Bio, Inc.	Award(A) Stock Option (Right to Buy)	175,000	-	-	Direct
Jan 21, 2026	CABA Cabaletta Bio, Inc.	Purchase(P)	6,600	$2.27	$14,979	Direct
May 19, 2025	CABA Cabaletta Bio, Inc.	Award(A) Stock Option (Right to Buy)	100,000	-	-	Direct
May 19, 2025	CABA Cabaletta Bio, Inc.	Disposition(D) Stock Option (Right to Buy)	75,000	-	-	Direct
May 19, 2025	CABA Cabaletta Bio, Inc.	Award(A) Stock Option (Right to Buy)	75,000	-	-	Direct
May 19, 2025	CABA Cabaletta Bio, Inc.	Disposition(D) Stock Option (Right to Buy)	112,500	-	-	Direct
May 19, 2025	CABA Cabaletta Bio, Inc.	Award(A) Stock Option (Right to Buy)	112,500	-	-	Direct
May 19, 2025	CABA Cabaletta Bio, Inc.	Disposition(D) Stock Option (Right to Buy)	100,000	-	-	Direct
May 19, 2025	CABA Cabaletta Bio, Inc.	Award(A) Stock Option (Right to Buy)	100,000	-	-	Direct
May 19, 2025	CABA Cabaletta Bio, Inc.	Disposition(D) Stock Option (Right to Buy)	100,000	-	-	Direct
Mar 3, 2025	CABA Cabaletta Bio, Inc.	Award(A) Stock Option (Right to Buy)	115,000	-	-	Direct

1-11 of 11 transactions

About Gerard Michael

Gerard Michael (SEC CIK 0001881529) files insider reports with the SEC as General Counsel of Cabaletta Bio, Inc. (CABA).

Signal8 holds 4 ownership filings by Gerard Michael, all Form 4s, filed between Mar 4, 2025 and Mar 2, 2026. Those filings report 11 transactions, from Mar 3, 2025 to Mar 2, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Gerard Michael's filings is in PHILADELPHIA, PA.

Recent filings by Gerard Michael

Mar 2, 2026: Grant or award of CABA derivative securities (Form 4, code A).
Jan 21, 2026: Open-market purchase of CABA shares (Form 4, code P).
May 19, 2025: Grant or award of CABA derivative securities (Form 4, code A).
May 19, 2025: Disposition to issuer transaction of CABA derivative securities (Form 4, code D).
May 19, 2025: Grant or award of CABA derivative securities (Form 4, code A).

Other insiders filing for Cabaletta Bio, Inc. (CABA)

Tomasello Shawn, Director
Simon Mark, Director
HENRIQUES RICHARD C JR, Director
Bollard Catherine, Director
Brun Scott C., Director
Das Arun, Chief Business Officer

How to read Form 4 transaction codes