MIDDLESEX WATER CO (MSEX) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-04-01

MIDDLESEX WATER CO (MSEX) — no SEC Form 4 insider filings recorded in the last 90 days. 1 Form 8-K material event filings were reported by MSEX in the last 90 days. InsiderAlpha tracks every MSEX SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About MIDDLESEX WATER CO (MSEX)

SEC CIK	0000066004

90-Day SEC Filing Activity

Form 8-K filings (90d)	1
Latest Form 4 filing	2026-04-01

Recent MSEX Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-04-01	Simpson Georgia M	VP-IT	A — Grant or award	2.1K	$52.05	$111K	SEC
2026-04-01	Simpson Georgia M	VP-IT	J — Other acquisition / disposition	759	$52.05	$40K	SEC
2026-04-01	Zerhouni Mohammed G.	SVP, CFO and Treasurer	A — Grant or award	5.9K	$52.05	$309K	SEC
2026-04-01	Duchemin-Leslie Nadine	President, CEO	A — Grant or award	12.7K	$52.05	$660K	SEC
2026-04-01	Bershad Joshua	Director	A — Grant or award	865	$52.05	$45K	SEC
2026-04-01	Cosgrove James F. Jr.	Director	A — Grant or award	865	$52.05	$45K	SEC
2026-04-01	Klein Steven M	Director	A — Grant or award	865	$52.05	$45K	SEC
2026-04-01	HOGLUND ROBERT N	Director	A — Grant or award	865	$52.05	$45K	SEC
2026-04-01	McKoy Vaughn L	Director	A — Grant or award	865	$52.05	$45K	SEC
2026-04-01	Sorensen Gregory S	VP, Chief Operating Officer	A — Grant or award	5.0K	$52.05	$259K	SEC
2026-04-01	Hanemann Kim C	Director	A — Grant or award	865	$52.05	$45K	SEC
2026-04-01	Mansue Amy B.	Director	A — Grant or award	865	$52.05	$45K	SEC
2026-04-01	REINHARD WALTER G	Director	A — Grant or award	865	$52.05	$45K	SEC
2026-04-01	NOBLE ANN L.	Director	A — Grant or award	865	$52.05	$45K	SEC
2026-04-01	Simpson Georgia M	VP-IT	F — Tax withholding / forfeiture	338	$52.05	$18K	SEC

All transactions sourced from SEC EDGAR Form 4 filings for MIDDLESEX WATER CO (MSEX). Updated in real time as new filings are submitted to the SEC.

Recent MSEX Form 8-K Material Events

2026-05-20 — Item 5.07 [SEC]
2026-03-26 — Item 5.02 · Leadership · neutral [SEC]
Middlesex Water Company announced the appointment of Tatyana Kaplan as Vice President and Chief Accounting Officer effective March 26, 2026, and the departure of Robert J. Capko from the Principal Accounting Officer role, though Capko remains with the company as Corporate Control
2026-02-24 — Item 1.01, 9.01 · Financing · neutral [SEC]
Middlesex Water Company amended its existing ATM (at-the-market) equity offering agreement on February 20, 2026, replacing Janney Montgomery Scott with Huntington Securities as a sales agent. The $110 million offering authorization and all other terms remain unchanged. This is a
2026-02-19 — Item 2.02, 9.01 · Earnings · neutral [SEC]
Middlesex Water Company announced its financial results for Q4 and full year 2025 on February 19, 2026. The 8-K provides no substantive details about the actual results, earnings figures, or performance metrics—only that a press release was issued and attached as an exhibit. With

Recent Insider Filings

2026-04-01 — Simpson Georgia M (VP-IT)
2026-04-01 — Kooper Jay L (VP, Gen. Counsel & Secretary)
2026-04-01 — Ginegaw Lorrie Beth (VP, Human Resources)
2026-04-01 — Fullagar Robert K (President-NJ Operations)
2026-04-01 — Capko Robert John (PAO & Controller)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in MSEX insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

MSEX Insider Trading — FAQ

What is the latest insider trade for MSEX?: MIDDLESEX WATER CO (MSEX) had 0 insider filings in the last 90 days, with the most recent on 2026-04-01. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying MSEX stock?: 0 insider purchases of MSEX were filed in the last 90 days.
How many insiders are selling MSEX stock?: 0 insider sales of MSEX were filed in the last 90 days.
Where can I see MSEX SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every MSEX SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

Open the live MSEX dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.