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Nasdaq · CIK 0000727273

CDZI CADIZ INC

Insider trading from SEC Form 4. Last filing 8 d ago. Close $3.42 on Oct 9, 2026, +15% from the 52-week low and -51% from the high.

In brief

CADIZ INC (CDZI) has 41 SEC Form 4 filings on file from 13 insiders, the latest filed on Oct 5, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.

3 open-market trades have been scored at CDZI. The newest: Cathryn Rivera (Chief Operating Officer) sold $11k of stock on May 20, 2026, filed Jun 3, 2026, scored 20 (weak). The largest of the 3 shown: Heerema International Group Services SA (10% owner) bought $6.9M on Nov 5, 2024, scored 35 (weak).

Last 90 days

Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
13
with a Form 4 at this company

Price and insider trades, last year

CDZIOct 9, 2026 · close 3.42

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at CADIZ INC, scored.

ScoreInsiderValueHoldingsPrice contextFiled
20WeakCathryn Rivera
Chief Operating Officer
sell
$11k
2,500 shares
-2%+57% from low-40% from high
51ModerateDavid Mark O'Hara
director
buy
$508k
110,865 shares
+1589%+64% from low-34% from high
35WeakHeerema International Group Services SA
owner
buy
$6.9M
2,070,000 shares
+10%-

Transactions

The newest 50 of 56 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Oct 1, 2026David Mark O'Hara
director
AGrant or award
Common STock
+4,954$3.79$19k130,3118 d ago
Oct 1, 2026Maria S. Dreyfus
director
AGrant or award
Common STock
+4,954$3.79$19k201,5248 d ago
Oct 1, 2026Barbara A Lloyd
director
AGrant or award
Common STock
+1,238$3.79$4,68630,7298 d ago
Sep 9, 2026Jacinto J Hernandez
Chief Financial Officer
AGrant or award
Common Stock
+800,000$0.00$0800,00032 d ago
Sep 9, 2026Jacinto J Hernandez
Chief Financial Officer
AGrant or award
Performance Rightsderivative
+800,000$0.00$0800,00032 d ago
Jun 30, 2026Maria S. Dreyfus
director
AGrant or award
Common Stock
+6,103$4.10$25k192,106Jul 2, 2026
Jun 30, 2026Stephen E Courter
director
AGrant or award
Common Stock
+6,103$4.10$25k81,592Jul 2, 2026
Jun 30, 2026Maria Echaveste
director
AGrant or award
Common Stock
+6,103$4.10$25k45,730Jul 2, 2026
Jun 30, 2026Kenneth T Lombard
director
AGrant or award
Common Stock
+6,103$4.10$25k30,990Jul 2, 2026
Jun 30, 2026Richard Garcia Polanco
director
AGrant or award
Common Stock
+6,103$4.10$25k28,155Jul 2, 2026
Jun 30, 2026David Mark O'Hara
director
AGrant or award
Common Stock
+3,052$4.10$13k120,893Jul 2, 2026
Jun 30, 2026Barbara A Lloyd
director
AGrant or award
Common Stock
+6,103$4.10$25k28,375Jul 2, 2026
Jun 30, 2026Winston H Hickox
director
AGrant or award
Common Stock
+6,103$4.10$25k199,174Jul 2, 2026
Jul 1, 2026Barbara A Lloyd
director
AGrant or award
Common Stock
+1,116$4.20$4,68729,491Jul 2, 2026
Jul 1, 2026David Mark O'Hara
director
AGrant or award
Common Stock
+4,464$4.20$19k125,357Jul 2, 2026
Jul 1, 2026Maria S. Dreyfus
director
AGrant or award
Common Stock
+4,464$4.20$19k196,570Jul 2, 2026
May 20, 2026Cathryn Rivera
Chief Operating Officer
SOpen-market sale
Common Stock
-2,500$4.33$11k145,000Jun 3, 2026
May 26, 2026David Mark O'Hara
director
POpen-market purchase
Common Stock
+110,865$4.58$508k117,841May 28, 2026
Apr 8, 2026Stanley E Speer
Chief Financial Officer
AGrant or award
Common Stock
+25,075$0.00$0283,860Apr 10, 2026
Apr 8, 2026Susan P Kennedy
Chief Executive Officer
AGrant or award
Common Stock
+125,000$0.00$01,121,921Apr 10, 2026
Apr 8, 2026Cathryn Rivera
Chief Operating Officer
AGrant or award
Common Stock
+10,000$0.00$0147,500Apr 10, 2026
Oct 31, 2025Stanley E Speer
Chief Financial Officer
MOption exercise
Common Stock
+13,425$0.00$0297,285Apr 10, 2026
Oct 31, 2025Susan P Kennedy
Chief Executive Officer
MOption exercise
Common Stock
+50,000$0.00$01,171,921Apr 10, 2026
Apr 8, 2026Susan P Kennedy
Chief Executive Officer
DDisposition to issuer
Restricted Stock Unitsderivative
-150,500--439,500Apr 10, 2026
Oct 31, 2025Stanley E Speer
Chief Financial Officer
MOption exercise
Restricted Stock Unitsderivative
-25,000--260,000Apr 10, 2026
Oct 31, 2025Susan P Kennedy
Chief Executive Officer
MOption exercise
Restricted Stock Unitsderivative
-50,000--389,500Apr 10, 2026
Apr 1, 2026Barbara A Lloyd
director
AGrant or award
Common Stock
+927$5.06$4,68622,272Apr 3, 2026
Apr 1, 2026Maria S. Dreyfus
director
AGrant or award
Common Stock
+3,709$5.06$19k186,003Apr 3, 2026
Apr 1, 2026David Mark O'Hara
director
AGrant or award
Common Stock
+3,267$5.74$19k3,267Apr 3, 2026
Apr 1, 2026David Mark O'Hara
director
AGrant or award
Common Stock
+3,709$5.06$19k6,976Apr 3, 2026
Jan 2, 2026Barbara A Lloyd
director
AGrant or award
Common Stock
+817$5.74$4,69021,345Jan 6, 2026
Jan 2, 2026Maria S. Dreyfus
director
AGrant or award
Common Stock
+3,267$5.74$19k182,294Jan 6, 2026
Oct 6, 2025Stanley E Speer
CFO
AGrant or award
Common Stock
+141,600$0.00$0258,785Oct 8, 2025
Oct 6, 2025Stanley E Speer
CFO
AGrant or award
Restricted Stock Unitsderivative
+285,000$0.00$0285,000Oct 8, 2025
Oct 1, 2025Barbara A Lloyd
director
AGrant or award
Common Stock
+1,056$4.44$4,68920,528Oct 2, 2025
Oct 1, 2025Maria S. Dreyfus
director
AGrant or award
Common Stock
+4,223$4.44$19k179,027Oct 2, 2025
Jun 30, 2025Maria S. Dreyfus
director
AGrant or award
Common Stock
+8,212$3.04$25k168,595Jul 1, 2025
Jun 30, 2025Barbara A Lloyd
director
AGrant or award
Common Stock
+8,212$3.04$25k17,920Jul 1, 2025
Jul 1, 2025Maria S. Dreyfus
director
AGrant or award
Common Stock
+6,209$3.02$19k174,804Jul 1, 2025
Jul 1, 2025Barbara A Lloyd
director
AGrant or award
Common Stock
+1,552$3.02$4,68719,472Jul 1, 2025
Jun 30, 2025Maria Echaveste
director
AGrant or award
Common Stock
+8,212$3.04$25k39,627Jun 30, 2025
Jun 30, 2025Stephen E Courter
director
AGrant or award
Common Stock
+8,212$3.04$25k75,489Jun 30, 2025
Jun 30, 2025Winston H Hickox
director
AGrant or award
Common Stock
+8,212$3.04$25k193,071Jun 30, 2025
Jun 30, 2025Kenneth T Lombard
director
AGrant or award
Common Stock
+8,212$3.04$25k24,887Jun 30, 2025
Jun 30, 2025Richard Garcia Polanco
director
AGrant or award
Common Stock
+8,212$3.04$25k22,052Jun 30, 2025
Apr 1, 2025Barbara A Lloyd
director
AGrant or award
Common Stock
+1,608$2.92$4,6879,708Apr 3, 2025
Apr 1, 2025Maria S. Dreyfus
director
AGrant or award
Common Stock
+6,562$2.92$19k160,383Apr 3, 2025
Mar 14, 2025Susan P Kennedy
Chief Executive Officer
DDisposition to issuer
Restricted Stock Unitsderivative
-10,000--590,000Apr 3, 2025
Mar 14, 2025Susan P Kennedy
Chief Executive Officer
DDisposition to issuer
Performance Rightsderivative
-125,000--0Apr 3, 2025
Mar 4, 2025Susan P Kennedy
CEO
DDisposition to issuer
Performance Rightsderivative
-175,000--125,000Mar 6, 2025
50 of 56 rows shown.

Insiders

Everyone who has filed a Form 4 here.

Questions about CDZI

Answered from the filings on this page, as of the latest one.

Are insiders buying CDZI?

No. In the last 90 days no insider at CADIZ INC bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.

Who was the last insider to trade CDZI on the open market?

Cathryn Rivera (Chief Operating Officer) sold $11k of CDZI on May 20, 2026 and filed the Form 4 on Jun 3, 2026. InsiderTell scored 20 (weak).

How many insiders file Form 4 at CADIZ INC?

13 people have filed a Form 4 at CADIZ INC, among them Stephen E Courter (director), Maria S. Dreyfus (director), Maria Echaveste (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

CDZI insider trading: CADIZ INC | InsiderTell