Updated Jul 16, 2026
Greiner Christopher E has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $150K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-22 | ZETA | Zeta Global Holdings Corp. | G — Bona-fide gift | 633.1K | $0.00 | |
| 2025-12-05 | ZETA | Zeta Global Holdings Corp. | G — Bona-fide gift | 515.6K | $0.00 | |
| 2024-12-13 | ZETA | Zeta Global Holdings Corp. | G — Bona-fide gift | 999.1K | $0.00 | |
| 2024-11-18 | ZETA | Zeta Global Holdings Corp. | P — Open-market purchase | 8.0K | $18.80 | $150K |
| 2024-10-11 | ZETA | Zeta Global Holdings Corp. | M — Option exercise | 870.9K | $0.00 |
Greiner Christopher E is a corporate insider — currently tracked as Chief Financial Officer of Zeta Global Holdings Corp. (ZETA). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 1 open-market purchases ($150K) and 0 open-market sales () across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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