Christopher A. Marlett

CIK: 0000897744

Transaction Breakdown

Open Market Buys (P)31 (86.1%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)1 (2.8%)

Derivative conversions

Awards (A)3 (8.3%)

Compensation grants

Other (G, F, J, C, D, …)1 (2.8%)

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

Companies & Roles (2)

EXOZ

EXOZYMES INC.

Director10% Owner

MDBH

MDB Capital Holdings, LLC

DirectorOfficer10% Owner

Discretionary Trading P&L

Holdings

Transaction History (36 total)

MDBH
MDB Capital Holdings, LLC
Oct 15, 2026
Purchase(P)
Direct
917 shares at avg. $1.93$2K
MDBH
MDB Capital Holdings, LLC
Oct 13, 2026
Purchase(P)
Direct
10K shares at avg. $1.99$20K
EXOZ
EXOZYMES INC.
Oct 1, 2026
Award(A)
Stock Option (right to buy)
Direct
10K shares-
MDBH
MDB Capital Holdings, LLC
May 1, 2026
Award(A)
Employee Stock Option
Indirect
100K shares-
MDBH
MDB Capital Holdings, LLC
Jan 2, 2026
Purchase(P)
Direct
1.2K shares at avg. $3.50$4K
MDBH
MDB Capital Holdings, LLC
Dec 31, 2025
Purchase(P)
Direct
4.4K shares at avg. $3.35$15K
MDBH
MDB Capital Holdings, LLC
Dec 30, 2025
Purchase(P)
Direct
4.4K shares at avg. $3.18$14K
MDBH
MDB Capital Holdings, LLC
Oct 6, 2025
Purchase(P)
Indirect
1.7K shares at avg. $3.41$6K
MDBH
MDB Capital Holdings, LLC
Oct 3, 2025
Purchase(P)
Indirect
2.3K shares at avg. $3.35$8K
MDBH
MDB Capital Holdings, LLC
Aug 29, 2025
Purchase(P)
Indirect
1.6K shares at avg. $3.52$6K
MDBH
MDB Capital Holdings, LLC
Aug 28, 2025
Purchase(P)
Indirect
1.6K shares at avg. $3.56$6K
MDBH
MDB Capital Holdings, LLC
Aug 27, 2025
Purchase(P)
Indirect
1.3K shares at avg. $3.40$4K
MDBH
MDB Capital Holdings, LLC
Aug 26, 2025
Purchase(P)
Indirect
1.4K shares at avg. $3.35$5K
MDBH
MDB Capital Holdings, LLC
Aug 25, 2025
Purchase(P)
Indirect
1.2K shares at avg. $3.31$4K
MDBH
MDB Capital Holdings, LLC
Aug 22, 2025
Purchase(P)
Indirect
1.2K shares at avg. $3.33$4K
MDBH
MDB Capital Holdings, LLC
Aug 21, 2025
Purchase(P)
Indirect
1.2K shares at avg. $3.45$4K
MDBH
MDB Capital Holdings, LLC
Jul 14, 2025
Purchase(P)
Indirect
100 shares at avg. $4.42$442
MDBH
MDB Capital Holdings, LLC
Jun 26, 2025
Purchase(P)
Indirect
22 shares at avg. $4.50$99
MDBH
MDB Capital Holdings, LLC
Jun 25, 2025
Purchase(P)
Indirect
2 shares at avg. $4.50$9
MDBH
MDB Capital Holdings, LLC
Jun 24, 2025
Purchase(P)
Indirect
20 shares at avg. $4.46$89.2
MDBH
MDB Capital Holdings, LLC
Jun 23, 2025
Purchase(P)
Indirect
677 shares at avg. $4.12$3K
MDBH
MDB Capital Holdings, LLC
Jun 20, 2025
Purchase(P)
Indirect
888 shares at avg. $4.13$4K
MDBH
MDB Capital Holdings, LLC
Jun 18, 2025
Purchase(P)
Indirect
635 shares at avg. $4.04$3K
MDBH
MDB Capital Holdings, LLC
Jun 12, 2025
Purchase(P)
Indirect
1.3K shares at avg. $3.88$5K
MDBH
MDB Capital Holdings, LLC
Jun 11, 2025
Purchase(P)
Indirect
1.3K shares at avg. $3.83$5K

		Type	Shares	Price		Ownership
Oct 15, 2026	MDBH MDB Capital Holdings, LLC	Purchase(P)	917	$1.93	$1,770	Direct
Oct 13, 2026	MDBH MDB Capital Holdings, LLC	Purchase(P)	10,000	$1.99	$19,900	Direct
Oct 1, 2026	EXOZ EXOZYMES INC.	Award(A) Stock Option (right to buy)	10,000	-	-	Direct
May 1, 2026	MDBH MDB Capital Holdings, LLC	Award(A) Employee Stock Option	100,000	-	-	Indirect
Jan 2, 2026	MDBH MDB Capital Holdings, LLC	Purchase(P)	1,213	$3.50	$4,246	Direct
Dec 31, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	4,387	$3.35	$14,696	Direct
Dec 30, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	4,400	$3.18	$13,992	Direct
Oct 6, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	1,725	$3.41	$5,882	Indirect
Oct 3, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	2,275	$3.35	$7,621	Indirect
Aug 29, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	1,645	$3.52	$5,790	Indirect
Aug 28, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	1,575	$3.56	$5,607	Indirect
Aug 27, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	1,288	$3.40	$4,379	Indirect
Aug 26, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	1,414	$3.35	$4,737	Indirect
Aug 25, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	1,232	$3.31	$4,078	Indirect
Aug 22, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	1,200	$3.33	$3,996	Indirect
Aug 21, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	1,200	$3.45	$4,140	Indirect
Jul 14, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	100	$4.42	$442	Indirect
Jun 26, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	22	$4.50	$99	Indirect
Jun 25, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	2	$4.50	$9	Indirect
Jun 24, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	20	$4.46	$89	Indirect
Jun 23, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	677	$4.12	$2,789	Indirect
Jun 20, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	888	$4.13	$3,667	Indirect
Jun 18, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	635	$4.04	$2,565	Indirect
Jun 12, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	1,280	$3.88	$4,966	Indirect
Jun 11, 2025	MDBH MDB Capital Holdings, LLC	Purchase(P)	1,270	$3.83	$4,864	Indirect

1-25 of 36 transactions

About MARLETT CHRISTOPHER A

MARLETT CHRISTOPHER A (SEC CIK 0000897744) files insider reports with the SEC as Director of EXOZYMES INC. (EXOZ) and Co-Founder of MDB Capital Holdings, LLC (MDBH).

Signal8 holds 23 ownership filings by MARLETT CHRISTOPHER A (1 Form 3, 22 Form 4), filed between Nov 18, 2024 and Oct 19, 2026. Those filings report 36 transactions, from Oct 21, 2024 to Oct 15, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on MARLETT CHRISTOPHER A's filings is in ADDISON, TX.

Recent filings by MARLETT CHRISTOPHER A

Oct 15, 2026: Open-market purchase of MDBH shares (Form 4, code P).
Oct 13, 2026: Open-market purchase of MDBH shares (Form 4, code P).
Oct 1, 2026: Grant or award of EXOZ derivative securities (Form 4, code A).
May 1, 2026: Grant or award of MDBH derivative securities (Form 4, code A).
Jan 2, 2026: Open-market purchase of MDBH shares (Form 4, code P).

Other insiders filing for EXOZYMES INC. (EXOZ)

Perriman Damien Alan, Chief Commercial Officer
Korman Tyler Paz, Chief Scientific Officer
Rayo Edgardo Javier, Director
Lalonde James Joseph, Director
DIGIANDOMENICO ANTHONY, Director
Bowie James Ulrich, Director

How to read Form 4 transaction codes