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NORTHERN TECHNOLOGIES INTERNATIONAL CORP

NTIC Net selling
CIK 0000875582 #4488 in the set updated 17 Sep 2026
Bought (12 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$224.57K
$0.00 on a plan · $96.06K straight out of an exercise
Sold at will
$128.51K
1 of 3 sales
Net
−$224.57K
−$128.51K against sales at will

By person

10 insiders · 4 transactions
19.9×

G. Patrick Lynch holds 19.9 times base salary in stock. $10.46M of shares against $523.75K in salary for 2025.

Salary from the company's own proxy. The shares are what G. Patrick Lynch last reported holding, valued at $8.00, the price Common Stock was last bought or sold at on the open market here, on 30 Jul 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
LYNCH G PATRICK
President and CEO
—
$128.52K (2)
−$128.52K
1,308,618
13.78%
$10.46M
0.0%
NIGON RICHARD
Director
—
$96.05K (1) scheduled
−$96.05K
54,574
0.5747%
$436.41K
+43.9%
WOLSFELD MATTHEW C
CFO and Corporate Secretary
—
—
—
170,966
1.80%
$1.37M
+1.6%
Ramdas Gautam
President and CEO
—
—
—
118,932
1.25%
$951.07K
+58.3%
Narayan Ramani
Director
—
—
—
106,763
1.12%
$853.75K
0.0%
Kemp Sarah E.
Director
—
—
—
22,458
0.2365%
$179.59K
+135.6%
Calderon Nancy E.
Director
—
—
—
20,940
0.2205%
$167.45K
+201.1%
von Falkenhausen Konstantin
Director
—
—
—
18,219
0.1919%
$145.69K
+6.4%
Pinho Cristina Lucia Duarte
Director
—
—
—
16,698
0.1758%
$133.53K
+342.8%
Lee Sunggyu
Director
—
—
—
9,507
0.1001%
$76.02K
+186.4%

Individual transactions

1
Insider
Date
Role
Action
Shares
Price
Amount
LYNCH G PATRICK
30 Jul 2026
President and CEO
Sell
16,070
$8.00
$128.51K
Show all 4 transactions →

What was left out

Form 4 filings counted 13
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 2
Sales at will 1
Transactions with no price 0
Shares from compensation/vesting 125,113
History held since 6 Sep 2016