Michael Singer

CIK: 0002000122

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)4 (66.7%)

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

Companies & Roles (1)

RNAC

Cartesian Therapeutics, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

RNAC
Cartesian Therapeutics, Inc.
Mar 13, 2026
Gift(G)
Direct
6.6K shares-
RNAC
Cartesian Therapeutics, Inc.
Jan 2, 2026
Award(A)
Direct
2.6K shares-
RNAC
Cartesian Therapeutics, Inc.
Nov 18, 2025
Gift(G)
Direct
20K shares-
RNAC
Cartesian Therapeutics, Inc.
Jan 2, 2025
Award(A)
Direct
2.6K shares-
RNAC
Cartesian Therapeutics, Inc.
Dec 26, 2024
Gift(G)
Direct
20K shares-
RNAC
Cartesian Therapeutics, Inc.
Nov 19, 2024
Gift(G)
Direct
28.8K shares-

		Type	Shares	Price		Ownership
Mar 13, 2026	RNAC Cartesian Therapeutics, Inc.	Gift(G)	6,555	-	$0	Direct
Jan 2, 2026	RNAC Cartesian Therapeutics, Inc.	Award(A)	2,600	-	$0	Direct
Nov 18, 2025	RNAC Cartesian Therapeutics, Inc.	Gift(G)	20,000	-	-	Direct
Jan 2, 2025	RNAC Cartesian Therapeutics, Inc.	Award(A)	2,600	-	$0	Direct
Dec 26, 2024	RNAC Cartesian Therapeutics, Inc.	Gift(G)	20,000	-	$0	Direct
Nov 19, 2024	RNAC Cartesian Therapeutics, Inc.	Gift(G)	28,821	-	$0	Direct

1-6 of 6 transactions

About Singer Michael

Singer Michael (SEC CIK 0002000122) files insider reports with the SEC as Director of Cartesian Therapeutics, Inc. (RNAC).

Signal8 holds 6 ownership filings by Singer Michael, all Form 4s, filed between Nov 21, 2024 and Mar 13, 2026. Those filings report 6 transactions, from Nov 19, 2024 to Mar 13, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Singer Michael's filings is in FREDERICK, MD.

Recent filings by Singer Michael

Mar 13, 2026: Gift of RNAC shares (Form 4, code G).
Jan 2, 2026: Grant or award of RNAC shares (Form 4, code A).
Nov 18, 2025: Gift of RNAC shares (Form 4, code G).
Jan 2, 2025: Grant or award of RNAC shares (Form 4, code A).
Dec 26, 2024: Gift of RNAC shares (Form 4, code G).

Other insiders filing for Cartesian Therapeutics, Inc. (RNAC)

Hoge Elizabeth, 10% Owner
Kalayoglu Murat, 10% Owner
Brunn Carsten, President and CEO
Miljkovic Milos, Chief Medical Officer
Davis Blaine, Chief Financial Officer
DeSilva Nishan M, Director

How to read Form 4 transaction codes