Nancy E. Calderon, a director at Northern Technologies International Corp ($NTIC), made one open market purchase of company shares in the past year, totaling $7,452. Her most recent buy occurred on April 25, 2025. Among nearly 5,000 insiders tracked for open market buys, her activity ranks 4,450th by purchase value, well below the average of $1.46 million across 3.3 transactions. Calderon reported no open market sales in the last 365 days.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov. 13, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 5 | $13.29 | 7,959.8853 | 9,833,450 | 0.07% | 0.00% |
| Sept. 1, 2025 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | A | Common Stock | 6739 | $0.00 | 14,741.4270 | 9,639,676 | 84.21% | 0.07% |
| Aug. 13, 2025 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 3 | $7.72 | 8,002.4270 | 9,754,209 | 0.04% | 0.00% |
| Aug. 13, 2025 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 3 | $7.72 | 7,999.5928 | 9,754,209 | 0.03% | 0.00% |
| May 14, 2025 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 3 | $7.35 | 7,996.9451 | 9,754,209 | 0.04% | 0.00% |
| May 14, 2025 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 3 | $7.35 | 7,993.9723 | 9,754,209 | 0.03% | 0.00% |
| Feb. 12, 2025 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 13 | $11.26 | 7,991.1954 | 9,754,209 | 0.17% | 0.00% |
| Feb. 12, 2025 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 6 | $11.26 | 7,977.6956 | 9,754,209 | 0.08% | 0.00% |
| Nov. 13, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 11 | $13.29 | 7,971.2623 | 9,833,450 | 0.14% | 0.00% |
| May 22, 2025 | BELDEN INC. | $BDC | Calderon Nancy E. | Not found | A | Common Stock | 1385 | $0.00 | 8,339.0000 | 50,335,000 | 19.92% | 0.00% |
| April 25, 2025 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | P | Common Stock | 1000 | $7.45 | 7,954.4635 | 9,754,209 | 14.38% | 0.01% |
| Aug. 14, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 11 | $13.34 | 3,183.4635 | 0 | 0.36% | 0.00% |
| Sept. 1, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | A | Common Stock | 3771 | $0.00 | 6,954.4635 | 9,833,450 | 118.46% | 0.04% |
| May 15, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 13 | $11.83 | 3,166.2161 | 0 | 0.40% | 0.00% |
| May 15, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 4 | $18.04 | 3,153.5528 | 0 | 0.13% | 0.00% |
| Feb. 14, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 11 | $13.47 | 3,149.5966 | 0 | 0.35% | 0.00% |
| Feb. 14, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 5 | $13.63 | 3,138.5362 | 0 | 0.17% | 0.00% |
| Nov. 16, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 11 | $13.25 | 3,133.3279 | 0 | 0.36% | 0.00% |
| Nov. 16, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 6 | $12.01 | 3,122.1477 | 0 | 0.19% | 0.00% |
| Aug. 14, 2024 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 6 | $11.99 | 3,172.1904 | 0 | 0.19% | 0.00% |
| Aug. 5, 2024 | BELDEN INC. | $BDC | Calderon Nancy E. | Not found | S | Common Stock | 2500 | $95.98 | 6,954.0000 | 50,335,000 | 26.44% | 0.00% |
| May 23, 2024 | BELDEN INC. | $BDC | Calderon Nancy E. | Director | A | Common Stock | 1554 | $0.00 | 9,454.0000 | 50,335,000 | 19.67% | 0.00% |
| Nov. 16, 2022 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 11 | $12.96 | 3,072.8653 | 0 | 0.37% | 0.00% |
| Feb. 21, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 14 | $13.17 | 3,086.5830 | 0 | 0.45% | 0.00% |
| May 18, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 16 | $11.56 | 3,102.2891 | 0 | 0.51% | 0.00% |
| Aug. 17, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | L | Common Stock | 14 | $13.07 | 3,116.2707 | 0 | 0.45% | 0.00% |
| Sept. 1, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | A | Stock Option (right to buy) | 9921 | $0.00 | 9,921.0000 | 0 | 9999.99% | 0.00% |
| Aug. 14, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | P | Common Stock | 500 | $13.17 | 3,061.6851 | 0 | 19.52% | 0.00% |
| May 25, 2023 | BELDEN INC. | $BDC | Calderon Nancy E. | Director | A | Common Stock | 1690 | $0.00 | 7,900.0000 | 50,335,000 | 27.21% | 0.00% |
| March 7, 2023 | BELDEN INC. | $BDC | Calderon Nancy E. | Director | S | Common Stock | 2500 | $85.91 | 6,210.0000 | 50,335,000 | 28.70% | 0.00% |
| Jan. 30, 2023 | NORTHERN TECHNOLOGIES INTERNATIONAL CORP | $NTIC | Calderon Nancy E. | Director | P | Common Stock | 500 | $12.92 | 2,561.6851 | 0 | 24.25% | 0.00% |