Christopher E. Greiner

CIK: 0001631087

Transaction Breakdown

Open Market Buys (P)1 (10.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)3 (30.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)6 (60.0%)

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

Companies & Roles (1)

ZETA

Zeta Global Holdings Corp.

Officer

Discretionary Trading P&L

Holdings

Transaction History (10 total)

ZETA
Zeta Global Holdings Corp.
Oct 22, 2026
Exercise(M)
Direct
199.2K shares-
ZETA
Zeta Global Holdings Corp.
Oct 22, 2026
Disposition(D)
Direct
40.3K shares at avg. $33.52$1.3M
ZETA
Zeta Global Holdings Corp.
Oct 22, 2026
Tax Payment(F)
Direct
26.1K shares at avg. $33.52$876K
ZETA
Zeta Global Holdings Corp.
May 20, 2026
Gift(G)
Direct
633.1K shares-
ZETA
Zeta Global Holdings Corp.
Dec 5, 2025
Gift(G)
Direct
515.6K shares-
ZETA
Zeta Global Holdings Corp.
May 9, 2025
Gift(G)
Direct
1.1M shares-
ZETA
Zeta Global Holdings Corp.
Feb 12, 2025
Exercise(M)
Direct
1M shares-
ZETA
Zeta Global Holdings Corp.
Dec 11, 2024
Gift(G)
Direct
999.1K shares-
ZETA
Zeta Global Holdings Corp.
Nov 18, 2024
Purchase(P)
Direct
8K shares at avg. $18.80$150K
ZETA
Zeta Global Holdings Corp.
Oct 9, 2024
Exercise(M)
Direct
870.9K shares-

		Type	Shares	Price		Ownership
Oct 22, 2026	ZETA Zeta Global Holdings Corp.	Exercise(M)	199,155	-	$0	Direct
Oct 22, 2026	ZETA Zeta Global Holdings Corp.	Disposition(D)	40,261	$33.52	$1,349,549	Direct
Oct 22, 2026	ZETA Zeta Global Holdings Corp.	Tax Payment(F)	26,123	$33.52	$875,643	Direct
May 20, 2026	ZETA Zeta Global Holdings Corp.	Gift(G)	633,060	-	$0	Direct
Dec 5, 2025	ZETA Zeta Global Holdings Corp.	Gift(G)	515,627	-	-	Direct
May 9, 2025	ZETA Zeta Global Holdings Corp.	Gift(G)	1,061,853	-	-	Direct
Feb 12, 2025	ZETA Zeta Global Holdings Corp.	Exercise(M)	1,021,819	-	-	Direct
Dec 11, 2024	ZETA Zeta Global Holdings Corp.	Gift(G)	999,057	-	$0	Direct
Nov 18, 2024	ZETA Zeta Global Holdings Corp.	Purchase(P)	7,975	$18.80	$149,910	Direct
Oct 9, 2024	ZETA Zeta Global Holdings Corp.	Exercise(M)	870,873	-	$0	Direct

1-10 of 10 transactions

About Greiner Christopher E

Greiner Christopher E (SEC CIK 0001631087) files insider reports with the SEC as Chief Financial Officer of Zeta Global Holdings Corp. (ZETA).

Signal8 holds 8 ownership filings by Greiner Christopher E, all Form 4s, filed between Oct 11, 2024 and Oct 23, 2026. Those filings report 10 transactions, from Oct 9, 2024 to Oct 22, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Greiner Christopher E's filings is in NEW YORK, NY.

Recent filings by Greiner Christopher E

Oct 22, 2026: Option exercise of ZETA shares (Form 4, code M).
Oct 22, 2026: Disposition to issuer transaction of ZETA shares (Form 4, code D).
Oct 22, 2026: Tax withholding of ZETA shares (Form 4, code F).
May 20, 2026: Gift of ZETA shares (Form 4, code G).
Dec 5, 2025: Gift of ZETA shares (Form 4, code G).

Other insiders filing for Zeta Global Holdings Corp. (ZETA)

Ravella Satish, Chief Accounting Officer
Steinberg David, Chief Executive Officer
Gerber Steven H., President
LANDMAN WILLIAM, Director
NIEHAUS ROBERT H, Director
Silberblatt Jeanine, Director

How to read Form 4 transaction codes