CALDERON NANCY E. purchased 14.4% of their position (1K shares) of NORTHERN TECHNOLOGIES INTERNATIONAL CORP on the open market
Open‑market purchase worth $7.5K — a moderate purchase. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 4/28/2025ACC: 0001791477-25-000003
Director
Since Oct 2019
+1K
Net shares
Net buyer
$7.5K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
1K acquired
Non-Derivative Transactions1
Common Stock
Direct
Shares
+1K
Price / share
$7.45
Trade value
$7.45K
% of position
14.4%
4/25/2025
6.95K→7.95K
Total
Net shares
+1K
Net value
$7.45K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 4/25/2025 | P · Purchase | +1K | $7.45 | $7.45K | 14.4% | 6.95K | 7.95K |
| Total | +1K | $7.45K | ||||||
Derivative Transactions0
No derivative transactions reported