Middlesex Water MSEX SEC Filings

NASDAQ MSEX
$55.80 +2.17 (+4.05%)
At close: Oct 22, 2026 · 4:00 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Middlesex Water Co (MSEX) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
14Insider Transaction0001628280-26-056119Aug 12, 2026 6:59 PM
24Insider Transaction0001628280-26-054754Aug 7, 2026 6:01 PM
310-QQuarterly & Annual Report0001628280-26-051038Jul 30, 2026 8:05 PM
48-KCurrent Report0001628280-26-051031Jul 30, 2026 8:01 PM
58-KCurrent Report0001628280-26-036878May 20, 2026 8:05 PM
610-QQuarterly & Annual Report0001628280-26-028887Apr 30, 2026 4:10 PM
710-QQuarterly & Annual Report0001628280-26-028887Apr 30, 2026 4:10 PM
810-QQuarterly & Annual Report0001628280-26-028887Apr 30, 2026 4:10 PM
98-KCurrent Report0001628280-26-028862Apr 30, 2026 4:05 PM
108-KCurrent Report0001628280-26-028862Apr 30, 2026 4:05 PM
118-KCurrent Report0001628280-26-028862Apr 30, 2026 4:05 PM
12SCHEDULE 13GBeneficial Ownership Report0002100119-26-000796Apr 30, 2026 11:32 AM
13SCHEDULE 13GBeneficial Ownership Report0002100119-26-000796Apr 30, 2026 11:32 AM
14SCHEDULE 13GBeneficial Ownership Report0002100119-26-000796Apr 30, 2026 11:32 AM
15SCHEDULE 13GBeneficial Ownership Report0002012383-26-001502Apr 24, 2026 8:11 PM
163Insider Transaction0001628280-26-024197Apr 8, 2026 4:57 PM
173Insider Transaction0001628280-26-024197Apr 8, 2026 4:57 PM
183Insider Transaction0001628280-26-024197Apr 8, 2026 4:57 PM
19ARSOthers0001308179-26-000214Apr 6, 2026 8:06 PM
20DEFA14AOthers0001308179-26-000213Apr 6, 2026 8:06 PM
21DEF 14AOthers0001308179-26-000211Apr 6, 2026 8:05 PM
224Insider Transaction0001628280-26-022681Apr 1, 2026 4:21 PM
234Insider Transaction0001628280-26-022681Apr 1, 2026 4:21 PM
244Insider Transaction0001628280-26-022681Apr 1, 2026 4:21 PM
254Insider Transaction0001628280-26-022678Apr 1, 2026 4:19 PM
264Insider Transaction0001628280-26-022678Apr 1, 2026 4:19 PM
274Insider Transaction0001628280-26-022678Apr 1, 2026 4:19 PM
284Insider Transaction0001628280-26-022675Apr 1, 2026 4:17 PM
294Insider Transaction0001628280-26-022675Apr 1, 2026 4:17 PM
304Insider Transaction0001628280-26-022675Apr 1, 2026 4:17 PM
314Insider Transaction0001628280-26-022673Apr 1, 2026 4:14 PM
324Insider Transaction0001628280-26-022673Apr 1, 2026 4:14 PM
334Insider Transaction0001628280-26-022673Apr 1, 2026 4:14 PM
344Insider Transaction0001628280-26-022671Apr 1, 2026 4:11 PM
354Insider Transaction0001628280-26-022671Apr 1, 2026 4:11 PM
364Insider Transaction0001628280-26-022671Apr 1, 2026 4:11 PM
374Insider Transaction0001628280-26-022614Apr 1, 2026 1:47 PM
384Insider Transaction0001628280-26-022614Apr 1, 2026 1:47 PM
394Insider Transaction0001628280-26-022614Apr 1, 2026 1:47 PM
404Insider Transaction0001628280-26-022612Apr 1, 2026 1:46 PM
414Insider Transaction0001628280-26-022612Apr 1, 2026 1:46 PM
424Insider Transaction0001628280-26-022612Apr 1, 2026 1:46 PM
434Insider Transaction0001628280-26-022610Apr 1, 2026 1:44 PM
444Insider Transaction0001628280-26-022610Apr 1, 2026 1:44 PM
454Insider Transaction0001628280-26-022610Apr 1, 2026 1:44 PM
464Insider Transaction0001628280-26-022606Apr 1, 2026 1:14 PM
474Insider Transaction0001628280-26-022606Apr 1, 2026 1:14 PM
484Insider Transaction0001628280-26-022606Apr 1, 2026 1:14 PM
494Insider Transaction0001628280-26-022604Apr 1, 2026 1:13 PM
504Insider Transaction0001628280-26-022604Apr 1, 2026 1:13 PM
...

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