MarketPeel
Insider Trading Intelligence
CG

Christopher E. Greiner

ZETA
CHIEF FINANCIAL OFFICER · ZETA GLOBAL HOLDINGS CORP. · CIK 0001631087
FILING MIX · LIFETIME40%/60%
BUYS
16
SELLS
24
TOTAL VALUE
$3.22M
COMPANIES
2
ACTIVE SINCE
Mar 2020
HOLDINGS NOW
223,669
AVG SELL PX
$11.67
TRADE KIND
SHOWING 40 / 40
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
1 backtested trades · 8 horizons · 1 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Christopher E. Greiner, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d1+100.00%+8.63%+1.59%+7.04%+7.04%
14d1+100.00%+22.63%+2.63%+19.99%+19.99%
30d1+0.00%-1.23%-0.32%-0.91%-0.91%
60d1+0.00%-5.11%+1.95%-7.05%-7.05%
90d1+100.00%+19.97%+4.01%+15.96%+15.96%
180d1+0.00%-28.75%+1.67%-30.43%-30.43%
1y1+0.00%-11.44%+12.95%-24.39%-24.39%
2y1(1 pending)
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
ZETA · 143,948 shares · as of May 20, 2026
0671,7851,343,5692,015,3542,687,13820222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 16 buys / 24 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALEGRANT
Gift
633,060143,948May 20, 2026May 22, 2026View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALEGRANT
Gift
515,627776,057Dec 5, 2025Dec 5, 2025View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALEGRANT
Gift
1,061,8531,291,684May 9, 2025May 9, 2025View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
PURCHASE
Chief Financial Officer
1,021,8192,020,876Feb 12, 2025Feb 14, 2025View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALE
Chief Financial Officer
537,5000Feb 12, 2025Feb 14, 2025View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALEGRANT
Gift
999,0571,331,718Dec 11, 2024Dec 13, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
PURCHASE
Chief Financial Officer
7,975$18.80$149.9K2,330,010Nov 18, 2024Nov 18, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALE
Chief Financial Officer
129,2500Oct 9, 2024Oct 11, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALE
Chief Financial Officer
58,7300Oct 9, 2024Oct 11, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
PURCHASE
Chief Financial Officer
870,8732,322,035Oct 9, 2024Oct 11, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALE
Chief Financial Officer
00Oct 9, 2024Oct 11, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALEGRANT
Gift
116,7891,451,162Aug 9, 2024Aug 9, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALE
Chief Financial Officer
78,77058,730Jul 3, 2024Jul 3, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALE
Chief Financial Officer
53,109$17.40$924.1K1,567,952Jul 3, 2024Jul 3, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALE
Chief Financial Officer
137,8000Jul 3, 2024Jul 3, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALE
Chief Financial Officer
145,750129,250Jul 3, 2024Jul 3, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
PURCHASE
Chief Financial Officer
404,8911,621,060Jul 3, 2024Jul 3, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALEGRANT
Gift
411,6551,214,689May 22, 2024May 24, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
PURCHASE
Chief Financial Officer
5,2001,627,026Apr 5, 2024Apr 5, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALE
Chief Financial Officer
5,200137,800Apr 5, 2024Apr 5, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALE
Chief Financial Officer
682$12.23$8.3K1,626,344Apr 5, 2024Apr 5, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
PURCHASEGRANT
Stock grant
537,500537,500Apr 3, 2024Apr 5, 2024View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALEGRANT
Gift
506,8681,618,993Nov 22, 2023Nov 24, 2023View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
PURCHASEGRANT
Stock grant
116,2642,125,861Nov 15, 2023Nov 17, 2023View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALEGRANT
Gift
503,0672,009,597Aug 31, 2023Sep 1, 2023View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALE
Chief Financial Officer
57,000143,000Apr 21, 2023Apr 21, 2023View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
PURCHASE
Chief Financial Officer
57,0002,520,141Apr 21, 2023Apr 21, 2023View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
PURCHASEGRANT
Stock grant
300,0002,463,141Apr 21, 2023Apr 21, 2023View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALE
Chief Financial Officer
7,477$10.38$77.6K2,512,664Apr 21, 2023Apr 21, 2023View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
PURCHASEGRANT
Stock grant
137,500137,500Apr 21, 2023Apr 21, 2023View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALE
Chief Financial Officer
7,168$10.33$74.0K2,163,141Mar 14, 2023Mar 16, 2023View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALEGRANT
Gift
520,0052,168,715Jun 8, 2022Jun 10, 2022View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
PURCHASEGRANT
Stock grant
118,0002,687,138Feb 23, 2022Feb 25, 2022View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
PURCHASEGRANT
Stock grant
275,000275,000Feb 23, 2022Feb 25, 2022View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
PURCHASEGRANT
Stock grant
200,000200,000Aug 18, 2021Aug 20, 2021View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
PURCHASEGRANT
Stock grant
75,0002,564,993Aug 18, 2021Aug 20, 2021View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
PURCHASEGRANT
Stock grant
100,0002,682,301Jun 14, 2021Jun 15, 2021View →
ZETA
ZETA GLOBAL HOLDINGS CORP.
SALE
Chief Financial Officer
192,308$10.00$1.92M2,489,993Jun 14, 2021Jun 15, 2021View →
LPSN
LIVEPERSON INC
SALE
EVP, Chief Financial Officer
2,608$24.87$64.9K79,721Mar 4, 2020Mar 5, 2020View →
LPSN
LIVEPERSON INC
PURCHASEGRANT
Stock grant
7,36282,329Mar 3, 2020Mar 5, 2020View →
Other insiders · ZETA
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About this filer
CIK 0001631087
ROLE
Chief Financial Officer
PRIMARY
ZETA
COMPANIES
2
ACTIVE SINCE
Mar 2020
MARKETPEEL · /INSIDER/0001631087DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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