NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC) Insider Trading

NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC) has 11 SEC Form 4 insider filings on record in the last 90 days. Most recent filing: Sept. 9, 2026.

Filings
11
Purchases
0
$0
Sales
0
$0
Insiders
9

Most active NTIC insiders

LYNCH G PATRICK
President and CEO
0 bought · 0 sold · Sept. 4, 2026
$236K
NIGON RICHARD
Director
0 bought · 0 sold · July 21, 2026
$176K
WOLSFELD MATTHEW C
CFO and Corporate Secretary
0 bought · 0 sold · Sept. 3, 2026
$159K
Calderon Nancy E.
Director
0 bought · 0 sold · Sept. 3, 2026
$85
Narayan Ramani
Director
0 bought · 0 sold · Sept. 3, 2026
$0
Lee Sunggyu
Director
0 bought · 0 sold · Sept. 3, 2026
$0
Ramdas Gautam
President and CEO
0 bought · 0 sold · Sept. 9, 2026
$0
von Falkenhausen Konstantin
Director
0 bought · 0 sold · Sept. 3, 2026
$0

Latest NTIC Form 4 filings

Date Insider Value Shares Stake Pre-planned Links
Sept. 9, 2026 filed Sept. 4, 2026 Ramdas Gautam President and CEO $0 59,083 No
Sept. 4, 2026 filed Sept. 1, 2026 LYNCH G PATRICK President and CEO $0 40,257 0% No
Sept. 3, 2026 filed Sept. 1, 2026 WOLSFELD MATTHEW C CFO and Corporate Secretary $0 29,755 0% No
Sept. 3, 2026 filed Sept. 1, 2026 von Falkenhausen Konstantin Director $0 15,044 0% No
Sept. 3, 2026 filed Sept. 1, 2026 Narayan Ramani Director $0 15,044 0% No

Showing the 5 most recent of 11 filings in the last 90 days.

About this data

Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.

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