Updated Jul 16, 2026
O'Hara David Mark has filed 2 SEC Form 4 filings across 1 company in the last 90 days — buying. Lifetime open-market purchases: $508K.

David Mark O'Hara is a corporate executive and director associated with CADIZ INC, a company focused on water resource management and agricultural development. His role as a director involves overseeing the company's strategic direction and governance.
| Role | Director |
|---|---|
| Notability | 10/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-02 | CDZI | CADIZ INC | A — Grant or award | 4.5K | $4.20 | $19K |
| 2026-07-02 | CDZI | CADIZ INC | A — Grant or award | 3.1K | $4.10 | $13K |
| 2026-05-28 | CDZI | CADIZ INC | P — Open-market purchase | 110.9K | $4.58 | $508K |
| 2026-04-03 | CDZI | CADIZ INC | A — Grant or award | 3.7K | $5.05 | $19K |
| 2026-04-03 | CDZI | CADIZ INC | A — Grant or award | 3.3K | $5.74 | $19K |
David Mark O'Hara is a corporate executive and director associated with CADIZ INC, a company focused on water resource management and agricultural development. His role as a director involves overseeing the company's strategic direction and governance.…
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 1 open-market purchases ($508K) 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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