SEC Form 4
CADIZ, Inc. (CDZI) insider trading
In the 12 months to Oct 26, 2026, one CDZI insider reported open-market sales of $10.8K across 1 filing; one director bought $507.8K.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $10.8K
- 1 filing · 1 insider
- Open-market purchases
- $507.8K
- 1 filing · David Mark O'Hara, Director
Who traded CDZI, and when
- Purchase
- Sale
CDZI daily close from Oct 27, 2025 to Oct 26, 2026, between $2.98 and $6.92, last $4.31. 1 sale and 1 purchase filings by 2 insiders, marked at their filing dates. David Mark O'Hara, Director: bought $507.8K across 1 filing, first filed May 28, 2026, last May 28, 2026. Cathryn Rivera, Chief Operating Officer: sold $10.8K across 1 filing, first filed Jun 3, 2026, last Jun 3, 2026.
Largest mark · tap a row for others
David Mark O'Hara · Director
Purchase $507,762
110,865 shares at $4.58 avg
Filed May 28, 2026 · traded May 26
Close on filing date $4.38
David Mark O'Hara · Director
Director
$507.8K boughtCathryn Rivera · Chief Operating Officer
Chief Operating Officer
$10.8K soldOpen-market trades
2 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| David Mark O'Hara | Director | — | $507.8K | 1 | — | |
| Cathryn Rivera | Chief Operating Officer | $10.8K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Cathryn Rivera Chief Operating Officer | Sale | 2,500 | $4.33 | $10.8K | 145,000 | |
traded | David Mark O'Hara Director | Purchase | 110,865 | $4.58 | $507.8K | 117,841 |
GET /stocks/filings/vX/form-4?tickers=CDZI&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"CDZI",
"CDZIP"
],
"issuer_cik": "0000727273",
"owner_cik": "0002040286",
"accession_number": "0002040286-26-000002",
"form_type": "4",
"filing_date": "2026-06-03",
"period_of_report": "2026-05-20",
"issuer_name": "CADIZ INC",
"issuer_trading_symbol": "CDZI",
"owner_name": "Rivera Cathryn",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "Chief Operating Officer",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-05-20",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 2500,
"transaction_price_per_share": 4.33,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 145000,
"transaction_value": 10825,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "Includes 57,350 restricted stock unites (\"RSUs\"), each representing a contingent right to receive one share of Cadiz Inc. (the \"Company\") common stock to vest (a) in four equal installments of 11,450 on the final day of every quarter beginning June 30, 2026, and (b) one final quarterly installment of 11,550 vesting on June 30, 2027, subject in all cases to the Reporting Person's continuing employment as of each such vesting date. The Reporting Person disclaims beneficial ownership of these securities until such time, and to the extent, that ownership of the securities has vested."
}
]
},
{
"tickers": [
"CDZI",
"CDZIP"
],
"issuer_cik": "0000727273",
"owner_cik": "0002125738",
"accession_number": "0002125738-26-000003",
"form_type": "4",
"filing_date": "2026-05-28",
"period_of_report": "2026-05-26",
"issuer_name": "CADIZ INC",
"issuer_trading_symbol": "CDZI",
"owner_name": "O'Hara David Mark",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-05-26",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 110865,
"transaction_price_per_share": 4.58,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 117841,
"transaction_value": 507761.7,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "This transaction was executed in multiple trades at prices ranging from $4.50 to $4.61. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."
}
]
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 26 records
- Option exercises2 records
- Grants and awards24 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has CADIZ, Inc.'s CEO sold stock?
No. Susan P. Kennedy (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is CDZI’s insider data?
These are CDZI Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
Build with AI
Track CDZI insider trades with your agent
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for CDZI every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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