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Who

Christopher E. Greiner

Chief Financial Officer

Company insider

Files Form 4 as: Chief Financial Officer, Zeta Global Holdings; EVP, Chief Financial Officer, LivePerson; Chief Fin.& Oper. Officer, Inovalon Holdings.

In numbers

Trades disclosed
75
Buys
1
Sells
2
Bought
$150K
Sold
$2.8M
Companies
3
Companies where not an officer
0
First trade
5 Mar 2015
Last trade
20 May 2026
Last filed
22 May 2026

Companies traded

Where they are an officer
ZETA Zeta Global HoldingsOfficer · Software · last 20 May 20261 buy · 0 sells
LivePersonOfficer · Software · last 4 Mar 20200 buys · 1 sell
Inovalon HoldingsOfficer, 10% owner · last 5 Mar 20180 buys · 1 sell

Activity over time

1 Nov 2024 – 1 Oct 2026
01Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
20 May 2026filed 22 May 2026ZETA Zeta Global HoldingsSoftwareSEC FORM 4 Code G—633,060 at $0.00filing
20 May 2026filed 22 May 2026ZETA Zeta Global HoldingsSoftwareSEC FORM 4 Code G—633,060 at $0.00filing
5 Dec 2025filed 5 Dec 2025ZETA Zeta Global HoldingsSoftwareSEC FORM 4 Code G—515,627 at $0.00filing
9 May 2025filed 9 May 2025ZETA Zeta Global HoldingsSoftwareSEC FORM 4 Code G—1,061,853 at $0.00filing
12 Feb 2025filed 14 Feb 2025ZETA Zeta Global Holdingsoption or derivative · SoftwareSEC FORM 4 Code M—537,500 at $0.00filing
12 Feb 2025filed 14 Feb 2025ZETA Zeta Global HoldingsSoftwareSEC FORM 4 Code M—1,021,819 at $0.00filing
11 Dec 2024filed 13 Dec 2024ZETA Zeta Global HoldingsSoftwareSEC FORM 4 Code G—999,057 at $0.00filing
18 Nov 2024filed 18 Nov 2024ZETA Zeta Global HoldingsSoftwareSEC FORM 4 Bought$150K7,975 at $18.80filing
9 Oct 2024filed 11 Oct 2024ZETA Zeta Global Holdingsoption or derivative · SoftwareSEC FORM 4 Code M—0 at $0.00filing
9 Oct 2024filed 11 Oct 2024ZETA Zeta Global Holdingsoption or derivative · SoftwareSEC FORM 4 Code M—129,250 at $0.00filing
9 Oct 2024filed 11 Oct 2024ZETA Zeta Global Holdingsoption or derivative · SoftwareSEC FORM 4 Code M—58,730 at $0.00filing
9 Oct 2024filed 11 Oct 2024ZETA Zeta Global HoldingsSoftwareSEC FORM 4 Code M—870,873 at $0.00filing
9 Aug 2024filed 9 Aug 2024ZETA Zeta Global HoldingsSoftwareSEC FORM 4 Code G—116,789 at $0.00filing
3 Jul 2024filed 3 Jul 2024ZETA Zeta Global Holdingsoption or derivative · SoftwareSEC FORM 4 Code M—137,800 at $0.00filing
3 Jul 2024filed 3 Jul 2024ZETA Zeta Global Holdingsoption or derivative · SoftwareSEC FORM 4 Code M—145,750 at $0.00filing
3 Jul 2024filed 3 Jul 2024ZETA Zeta Global Holdingsoption or derivative · SoftwareSEC FORM 4 Code M—78,770 at $0.00filing
3 Jul 2024filed 3 Jul 2024ZETA Zeta Global HoldingsSoftwareSEC FORM 4 Code M—404,891 at $0.00filing
3 Jul 2024filed 3 Jul 2024ZETA Zeta Global HoldingsSoftwareSEC FORM 4 Code F$924K53,109 at $17.40filing
22 May 2024filed 24 May 2024ZETA Zeta Global HoldingsSoftwareSEC FORM 4 Code G—411,655 at $0.00filing
5 Apr 2024filed 5 Apr 2024ZETA Zeta Global Holdingsoption or derivative · SoftwareSEC FORM 4 Code M—5,200 at $0.00filing

Sectors

Technology2
Not placed1

Buys in green, sells in red, by the company’s sector.

Related people

William LandmanDirector · Director at Zeta Global Holdings, filing Form 4 there in the last year
Anthony ZingaleDirector · Director at Liveperson, filing Form 4 there in the last year
Monica L. GreenbergEVP, Policy & General Counsel · EVP, Policy & General Counsel at Liveperson, filing Form 4 there in the last year
Ryan L. VardemanDirector · Director at Liveperson, filing Form 4 there in the last year
Vanessa PeguerosDirector · Director at Liveperson, filing Form 4 there in the last year