Last 12 months
Inside the activity.
0 purchase rows · 3 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 3 |
| Aug 2026 | 0 | 0 |
| Sep 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| September 04, 2026 Filed Sep 10, 2026 01:36 UTC |
Ramdas GautamPresident and CEO
|
GrantStock Option (right to buy) · Derivative | 15,278 | $0.00 Strike: $8.08 | $0.00 |
DisclosureSEC source: 0002153871-26-000002 · primary_doc.xml · derivative · entry 2 Ramdas Gautam · CIK 0002153871 · President and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 15,278 Underlying: Common Stock · 15,278 shares Expires 2036-08-31 F2 · derivative.exercise_date: This option vests with respect to 5,092 shares on September 4, 2027 and with respect to 5,093 shares on each of September 4, 2028 and September 4, 2029. Read SEC document |
| September 04, 2026 Filed Sep 10, 2026 01:36 UTC |
Ramdas GautamPresident and CEO
|
GrantCommon Stock | 43,805 | $0.00 | $0.00 |
DisclosureSEC source: 0002153871-26-000002 · primary_doc.xml · nonDerivative · entry 1 Ramdas Gautam · CIK 0002153871 · President and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 118,932.41 F1 · price: These shares were issued as a stock award under the Northern Technologies International Corporation 2024 Stock Incentive Plan. Read SEC document |
| September 01, 2026 Filed Sep 4, 2026 11:54 UTC |
LYNCH G PATRICKDirector · President and CEO · 10% owner
|
GrantStock Option (right to buy) · Derivative | 40,257 | $0.00 Strike: $8.08 | $0.00 |
DisclosureSEC source: 0001258554-26-000005 · primary_doc.xml · derivative · entry 3 LYNCH G PATRICK · CIK 0001258554 · Director · President and CEO · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 40,257 Underlying: Common Stock · 40,257 shares Expires 2036-08-31 F2 · derivative.exercise_date: This option vests with respect to 13,419 shares on each of September 1, 2027, September 1, 2028, and September 1, 2029. Read SEC document |
| September 01, 2026 Filed Sep 4, 2026 01:58 UTC |
WOLSFELD MATTHEW CCFO and Corporate Secretary
|
GrantStock Option (right to buy) · Derivative | 29,755 | $0.00 Strike: $8.08 | $0.00 |
DisclosureSEC source: 0001258563-26-000002 · primary_doc.xml · derivative · entry 2 WOLSFELD MATTHEW C · CIK 0001258563 · CFO and Corporate Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 29,755 Underlying: Common Stock · 29,755 shares Expires 2036-08-31 F1 · derivative.exercise_date: This option vests with respect to 9,919 shares on September 1, 2027, and with respect to 9,918 shares on each of September 1, 2028 and September 1, 2029. Read SEC document |
| September 01, 2026 Filed Sep 3, 2026 20:26 UTC |
NIGON RICHARDDirector
|
GrantCommon Stock | 7,426 | $0.00 | $0.00 |
DisclosureSEC source: 0001213869-26-000009 · primary_doc.xml · nonDerivative · entry 1 NIGON RICHARD · CIK 0001213869 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 54,574 F1 · shares: These shares will vest on September 1, 2027 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. F2 · balance_after: Includes 7,426 shares issuable upon vesting and settlement of restricted stock units. Read SEC document |
| September 01, 2026 Filed Sep 3, 2026 20:23 UTC |
Lee SunggyuDirector
|
GrantCommon Stock | 6,188 | $0.00 | $0.00 |
DisclosureSEC source: 0001302082-26-000001 · primary_doc.xml · nonDerivative · entry 1 Lee Sunggyu · CIK 0001302082 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,507 F1 · shares: These shares will vest on September 1, 2027 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. F2 · balance_after: Includes 6,188 shares issuable upon vesting and settlement of restricted stock units. Read SEC document |
| September 01, 2026 Filed Sep 3, 2026 20:19 UTC |
Kemp Sarah E.Director
|
GrantCommon Stock | 6,188 | $0.00 | $0.00 |
DisclosureSEC source: 0001791493-26-000001 · primary_doc.xml · nonDerivative · entry 1 Kemp Sarah E. · CIK 0001791493 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 22,458.373 F1 · shares: These shares will vest on September 1, 2027 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. F2 · balance_after: Includes 6,188 shares issuable upon vesting and settlement of restricted stock units. Read SEC document |
| September 01, 2026 Filed Sep 3, 2026 20:14 UTC |
Pinho Cristina Lucia DuarteDirector
|
GrantCommon Stock | 6,188 | $0.00 | $0.00 |
DisclosureSEC source: 0001960551-26-000001 · primary_doc.xml · nonDerivative · entry 1 Pinho Cristina Lucia Duarte · CIK 0001960551 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 16,698 F1 · shares: These shares will vest on September 1, 2027 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. F2 · balance_after: Includes 6,188 shares issuable upon vesting and settlement of restricted stock units. Read SEC document |
| September 01, 2026 Filed Sep 3, 2026 20:10 UTC |
von Falkenhausen KonstantinDirector
|
GrantStock Option (right to buy) · Derivative | 15,044 | $0.00 Strike: $8.08 | $0.00 |
DisclosureSEC source: 0001562252-26-000001 · primary_doc.xml · derivative · entry 2 von Falkenhausen Konstantin · CIK 0001562252 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 15,044 Underlying: Common Stock · 15,044 shares Expires 2036-08-31 Read SEC document |
| September 01, 2026 Filed Sep 3, 2026 20:07 UTC |
Narayan RamaniDirector
|
GrantStock Option (right to buy) · Derivative | 15,044 | $0.00 Strike: $8.08 | $0.00 |
DisclosureSEC source: 0001309741-26-000001 · primary_doc.xml · derivative · entry 2 Narayan Ramani · CIK 0001309741 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 15,044 Underlying: Common Stock · 15,044 shares Expires 2036-08-31 Read SEC document |
| September 01, 2026 Filed Sep 3, 2026 20:01 UTC |
Calderon Nancy E.Director
|
GrantCommon Stock | 6,188 | $0.00 | $0.00 |
DisclosureSEC source: 0001791477-26-000001 · primary_doc.xml · nonDerivative · entry 5 Calderon Nancy E. · CIK 0001791477 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,939.5438 F1 · shares: These shares will vest on September 1, 2027 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. F2 · balance_after: Includes 6,188 shares issuable upon vesting and settlement of restricted stock units and 51.5901 shares held in the Reporting Person's IRA. Read SEC document |
| July 30, 2026 Filed Jul 31, 2026 20:34 UTC |
LYNCH G PATRICKDirector · President and CEO · 10% owner
|
SaleCommon Stock | 16,070 | $8.00 | $128,506.97 |
DisclosureSEC source: 0001258554-26-000004 · primary_doc.xml · nonDerivative · entry 3 LYNCH G PATRICK · CIK 0001258554 · Director · President and CEO · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 105,284 F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.95 to $8.05, inclusive. The reporting person undertakes to provide to Northern Technologies International Corporation (NTIC), any security holder of NTIC, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4. Read SEC document |
| July 29, 2026 Filed Jul 31, 2026 20:34 UTC |
LYNCH G PATRICKDirector · President and CEO · 10% owner
|
Exercise / conversionStock Option (right to buy) · Derivative | 16,072 | $0.00 Strike: $6.70 | $0.00 |
DisclosureSEC source: 0001258554-26-000004 · primary_doc.xml · derivative · entry 5 LYNCH G PATRICK · CIK 0001258554 · Director · President and CEO · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 16,072 shares Expires 2026-08-31 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_date: This option has fully vested. Read SEC document |
| July 29, 2026 Filed Jul 31, 2026 20:34 UTC |
LYNCH G PATRICKDirector · President and CEO · 10% owner
|
SaleCommon Stock | 2 | $8.10 | $16.20 |
DisclosureSEC source: 0001258554-26-000004 · primary_doc.xml · nonDerivative · entry 2 LYNCH G PATRICK · CIK 0001258554 · Director · President and CEO · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 121,354 Read SEC document |
| July 29, 2026 Filed Jul 31, 2026 20:34 UTC |
LYNCH G PATRICKDirector · President and CEO · 10% owner
|
Exercise / conversionCommon Stock | 16,072 | $6.70 | $107,682.40 |
DisclosureSEC source: 0001258554-26-000004 · primary_doc.xml · nonDerivative · entry 1 LYNCH G PATRICK · CIK 0001258554 · Director · President and CEO · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 121,356 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| July 20, 2026 Filed Jul 21, 2026 20:28 UTC |
NIGON RICHARDDirector
|
Exercise / conversionStock Option (right to buy) · Derivative | 12,000 | $0.00 Strike: $6.70 | $0.00 |
DisclosureSEC source: 0001213869-26-000008 · primary_doc.xml · derivative · entry 3 NIGON RICHARD · CIK 0001213869 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 12,000 shares Expires 2026-08-31 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · derivative.exercise_date: This option has fully vested. Read SEC document |
| July 20, 2026 Filed Jul 21, 2026 20:28 UTC |
NIGON RICHARDDirector
|
SaleCommon Stock | 12,000 | $8.00 | $96,048.00 |
DisclosureSEC source: 0001213869-26-000008 · primary_doc.xml · nonDerivative · entry 2 NIGON RICHARD · CIK 0001213869 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 47,148 F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.00 to $8.04, inclusive. The reporting person undertakes to provide to Northern Technologies International Corporation (NTIC), any security holder of NTIC, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4. Read SEC document |
| July 20, 2026 Filed Jul 21, 2026 20:28 UTC |
NIGON RICHARDDirector
|
Exercise / conversionCommon Stock | 12,000 | $6.70 | $80,400.00 |
DisclosureSEC source: 0001213869-26-000008 · primary_doc.xml · nonDerivative · entry 1 NIGON RICHARD · CIK 0001213869 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 59,148 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| July 01, 2026 Filed Jul 2, 2026 20:44 UTC |
WOLSFELD MATTHEW CCFO and Corporate Secretary
|
Exercise / conversionStock Option (right to buy) · Derivative | 11,879 | $0.00 Strike: $6.70 | $0.00 |
DisclosureSEC source: 0001258563-26-000001 · primary_doc.xml · derivative · entry 3 WOLSFELD MATTHEW C · CIK 0001258563 · CFO and Corporate Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 11,879 shares Expires 2026-08-31 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_date: This option has fully vested. Read SEC document |
| July 01, 2026 Filed Jul 2, 2026 20:44 UTC |
WOLSFELD MATTHEW CCFO and Corporate Secretary
|
Tax withholdingCommon Stock | 9,169 | $8.68 | $79,586.92 |
DisclosureSEC source: 0001258563-26-000001 · primary_doc.xml · nonDerivative · entry 2 WOLSFELD MATTHEW C · CIK 0001258563 · CFO and Corporate Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 170,966 Read SEC document |
| July 01, 2026 Filed Jul 2, 2026 20:44 UTC |
WOLSFELD MATTHEW CCFO and Corporate Secretary
|
Exercise / conversionCommon Stock | 11,879 | $6.70 | $79,589.30 |
DisclosureSEC source: 0001258563-26-000001 · primary_doc.xml · nonDerivative · entry 1 WOLSFELD MATTHEW C · CIK 0001258563 · CFO and Corporate Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 180,135 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| February 11, 2026 Filed Sep 3, 2026 20:01 UTC |
Calderon Nancy E.Director
|
OtherCommon Stock | 2.5325 | $8.66 | $21.93 |
DisclosureSEC source: 0001791477-26-000001 · primary_doc.xml · nonDerivative · entry 4 Calderon Nancy E. · CIK 0001791477 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 14,751.5438 Read SEC document |
| February 11, 2026 Filed Sep 3, 2026 20:01 UTC |
Calderon Nancy E.Director
|
OtherCommon Stock | 2.3651 | $8.66 | $20.48 |
DisclosureSEC source: 0001791477-26-000001 · primary_doc.xml · nonDerivative · entry 3 Calderon Nancy E. · CIK 0001791477 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 14,749.0113 Read SEC document |
| November 12, 2025 Filed Sep 3, 2026 20:01 UTC |
Calderon Nancy E.Director
|
OtherCommon Stock | 2.6983 | $8.12 | $21.91 |
DisclosureSEC source: 0001791477-26-000001 · primary_doc.xml · nonDerivative · entry 2 Calderon Nancy E. · CIK 0001791477 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 14,746.6462 Read SEC document |
| November 12, 2025 Filed Sep 3, 2026 20:01 UTC |
Calderon Nancy E.Director
|
OtherCommon Stock | 2.5209 | $8.12 | $20.47 |
DisclosureSEC source: 0001791477-26-000001 · primary_doc.xml · nonDerivative · entry 1 Calderon Nancy E. · CIK 0001791477 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 14,743.9479 Read SEC document |
| September 01, 2025 Filed Sep 3, 2025 23:10 UTC |
WOLSFELD MATTHEW CCFO and Corporate Secretary
|
GrantStock Option (right to buy) · Derivative | 32,559 | $0.00 Strike: $7.42 | $0.00 |
DisclosureSEC source: 0001258563-25-000006 · primary_doc.xml · derivative · entry 2 WOLSFELD MATTHEW C · CIK 0001258563 · CFO and Corporate Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 32,559 Underlying: Common Stock · 32,559 shares Expires 2035-08-31 F2 · derivative.exercise_date: This option vests with respect to 10,853 shares on each of September 1, 2026, September 1, 2027, and September 1, 2028. Read SEC document |
| September 01, 2025 Filed Sep 3, 2025 23:02 UTC |
LYNCH G PATRICKDirector · President and CEO · 10% owner
|
GrantStock Option (right to buy) · Derivative | 44,051 | $0.00 Strike: $7.42 | $0.00 |
DisclosureSEC source: 0001258554-25-000006 · primary_doc.xml · derivative · entry 3 LYNCH G PATRICK · CIK 0001258554 · Director · President and CEO · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 44,051 Underlying: Common Stock · 44,051 shares Expires 2035-08-31 F2 · derivative.exercise_date: This option vests with respect to 14,684 shares on each of September 1, 2026 and September 1, 2027 and with respect to 14,683 shares on September 1, 2028. Read SEC document |
| September 01, 2025 Filed Sep 3, 2025 21:02 UTC |
von Falkenhausen KonstantinDirector
|
GrantStock Option (right to buy) · Derivative | 16,287 | $0.00 Strike: $7.42 | $0.00 |
DisclosureSEC source: 0001562252-25-000007 · primary_doc.xml · derivative · entry 2 von Falkenhausen Konstantin · CIK 0001562252 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 16,287 Underlying: Common Stock · 16,287 shares Expires 2035-08-31 Read SEC document |
| September 01, 2025 Filed Sep 3, 2025 20:59 UTC |
Lee SunggyuDirector
|
GrantStock Option (right to buy) · Derivative | 16,287 | $0.00 Strike: $7.42 | $0.00 |
DisclosureSEC source: 0001302082-25-000003 · primary_doc.xml · derivative · entry 2 Lee Sunggyu · CIK 0001302082 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 16,287 Underlying: Common Stock · 16,287 shares Expires 2035-08-31 Read SEC document |
| September 01, 2025 Filed Sep 3, 2025 20:55 UTC |
Narayan RamaniDirector
|
GrantStock Option (right to buy) · Derivative | 16,287 | $0.00 Strike: $7.42 | $0.00 |
DisclosureSEC source: 0001309741-25-000006 · primary_doc.xml · derivative · entry 2 Narayan Ramani · CIK 0001309741 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 16,287 Underlying: Common Stock · 16,287 shares Expires 2035-08-31 Read SEC document |
| September 01, 2025 Filed Sep 3, 2025 20:50 UTC |
NIGON RICHARDDirector
|
GrantCommon Stock | 8,086 | $0.00 | $0.00 |
DisclosureSEC source: 0001213869-25-000007 · primary_doc.xml · nonDerivative · entry 1 NIGON RICHARD · CIK 0001213869 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 47,148 F1 · shares: These shares will vest on September 1, 2026 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. F2 · balance_after: Includes 8,086 shares issuable upon vesting and settlement of restricted stock units. Read SEC document |
| September 01, 2025 Filed Sep 3, 2025 20:46 UTC |
Kemp Sarah E.Director
|
GrantCommon Stock | 6,739 | $0.00 | $0.00 |
DisclosureSEC source: 0001791493-25-000003 · primary_doc.xml · nonDerivative · entry 1 Kemp Sarah E. · CIK 0001791493 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 16,270.373 F1 · shares: These shares will vest on September 1, 2026 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. F2 · balance_after: Includes 6,739 shares issuable upon vesting and settlement of restricted stock units. Read SEC document |
| September 01, 2025 Filed Sep 3, 2025 20:42 UTC |
Pinho Cristina Lucia DuarteDirector
|
GrantCommon Stock | 6,739 | $0.00 | $0.00 |
DisclosureSEC source: 0001960551-25-000003 · primary_doc.xml · nonDerivative · entry 1 Pinho Cristina Lucia Duarte · CIK 0001960551 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,510 F1 · shares: These shares will vest on September 1, 2026 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. F2 · balance_after: Includes 6,739 shares issuable upon vesting and settlement of restricted stock units. Read SEC document |
| September 01, 2025 Filed Sep 3, 2025 20:12 UTC |
Calderon Nancy E.Director
|
GrantCommon Stock | 6,739 | $0.00 | $0.00 |
DisclosureSEC source: 0001791477-25-000004 · primary_doc.xml · nonDerivative · entry 9 Calderon Nancy E. · CIK 0001791477 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 14,741.427 F1 · shares: These shares will vest on September 1, 2026 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. F2 · balance_after: Includes 6,739 shares issuable upon vesting and settlement of restricted stock units and 46.7041 shares held in the Reporting Person's IRA. Read SEC document |
| August 13, 2025 Filed Sep 3, 2025 20:12 UTC |
Calderon Nancy E.Director
|
OtherCommon Stock | 2.8342 | $7.72 | $21.88 |
DisclosureSEC source: 0001791477-25-000004 · primary_doc.xml · nonDerivative · entry 8 Calderon Nancy E. · CIK 0001791477 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 8,002.427 Read SEC document |
| August 13, 2025 Filed Sep 3, 2025 20:12 UTC |
Calderon Nancy E.Director
|
OtherCommon Stock | 2.6477 | $7.72 | $20.44 |
DisclosureSEC source: 0001791477-25-000004 · primary_doc.xml · nonDerivative · entry 7 Calderon Nancy E. · CIK 0001791477 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,999.5928 Read SEC document |
| July 24, 2025 Filed Jul 28, 2025 21:26 UTC |
NIGON RICHARDDirector
|
Exercise / conversionStock Option (right to buy) · Derivative | 12,000 | $0.00 Strike: $7.43 | $0.00 |
DisclosureSEC source: 0001213869-25-000006 · primary_doc.xml · derivative · entry 3 NIGON RICHARD · CIK 0001213869 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 12,000 shares Expires 2025-08-31 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_date: This option has fully vested. Read SEC document |
| July 24, 2025 Filed Jul 28, 2025 21:26 UTC |
NIGON RICHARDDirector
|
Tax withholdingCommon Stock | 10,873 | $8.20 | $89,158.60 |
DisclosureSEC source: 0001213869-25-000006 · primary_doc.xml · nonDerivative · entry 2 NIGON RICHARD · CIK 0001213869 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 39,062 Read SEC document |
| July 24, 2025 Filed Jul 28, 2025 21:26 UTC |
NIGON RICHARDDirector
|
Exercise / conversionCommon Stock | 12,000 | $7.43 | $89,160.00 |
DisclosureSEC source: 0001213869-25-000006 · primary_doc.xml · nonDerivative · entry 1 NIGON RICHARD · CIK 0001213869 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 49,935 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| May 14, 2025 Filed Sep 3, 2025 20:12 UTC |
Calderon Nancy E.Director
|
OtherCommon Stock | 2.9728 | $7.35 | $21.85 |
DisclosureSEC source: 0001791477-25-000004 · primary_doc.xml · nonDerivative · entry 6 Calderon Nancy E. · CIK 0001791477 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,996.9451 Read SEC document |
| May 14, 2025 Filed Sep 3, 2025 20:12 UTC |
Calderon Nancy E.Director
|
OtherCommon Stock | 2.7769 | $7.35 | $20.41 |
DisclosureSEC source: 0001791477-25-000004 · primary_doc.xml · nonDerivative · entry 5 Calderon Nancy E. · CIK 0001791477 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,993.9723 Read SEC document |
| May 06, 2025 Filed May 6, 2025 20:37 UTC |
von Falkenhausen KonstantinDirector
|
PurchaseCommon Stock | 1,100 | $7.23 | $7,953.00 |
DisclosureSEC source: 0001562252-25-000006 · primary_doc.xml · nonDerivative · entry 1 von Falkenhausen Konstantin · CIK 0001562252 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 18,219 Read SEC document |
| April 25, 2025 Filed Apr 28, 2025 21:33 UTC |
Calderon Nancy E.Director
|
PurchaseCommon Stock | 1,000 | $7.45 | $7,452.00 |
DisclosureSEC source: 0001791477-25-000003 · primary_doc.xml · nonDerivative · entry 1 Calderon Nancy E. · CIK 0001791477 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,954.4635 F1 · balance_after: Includes 3,771 shares issuable upon vesting and settlement of restricted stock units and 29.4244 shares held in the Reporting Persons IRA. Read SEC document |
| February 12, 2025 Filed Sep 3, 2025 20:12 UTC |
Calderon Nancy E.Director
|
OtherCommon Stock | 13.4998 | $11.26 | $152.01 |
DisclosureSEC source: 0001791477-25-000004 · primary_doc.xml · nonDerivative · entry 4 Calderon Nancy E. · CIK 0001791477 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,991.1954 Read SEC document |
| February 12, 2025 Filed Sep 3, 2025 20:12 UTC |
Calderon Nancy E.Director
|
OtherCommon Stock | 6.4333 | $11.26 | $72.44 |
DisclosureSEC source: 0001791477-25-000004 · primary_doc.xml · nonDerivative · entry 3 Calderon Nancy E. · CIK 0001791477 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,977.6956 Read SEC document |
| November 13, 2024 Filed Sep 3, 2025 20:12 UTC |
Calderon Nancy E.Director
|
OtherCommon Stock | 11.377 | $13.29 | $151.20 |
DisclosureSEC source: 0001791477-25-000004 · primary_doc.xml · nonDerivative · entry 2 Calderon Nancy E. · CIK 0001791477 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,971.2623 Read SEC document |
| November 13, 2024 Filed Sep 3, 2025 20:12 UTC |
Calderon Nancy E.Director
|
OtherCommon Stock | 5.4218 | $13.29 | $72.06 |
DisclosureSEC source: 0001791477-25-000004 · primary_doc.xml · nonDerivative · entry 1 Calderon Nancy E. · CIK 0001791477 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,959.8853 Read SEC document |
| September 01, 2024 Filed Sep 5, 2024 00:27 UTC |
von Falkenhausen KonstantinDirector
|
GrantStock Option (right to buy) · Derivative | 9,843 | $0.00 Strike: $13.26 | $0.00 |
DisclosureSEC source: 0001526513-24-000009 · primary_doc.xml · derivative · entry 2 von Falkenhausen Konstantin · CIK 0001562252 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,843 Underlying: Common Stock · 9,843 shares Expires 2034-08-31 Read SEC document |
| September 01, 2024 Filed Sep 5, 2024 00:20 UTC |
WOLSFELD MATTHEW CCFO and Corporate Secretary
|
GrantStock Option (right to buy) · Derivative | 33,156 | $0.00 Strike: $13.26 | $0.00 |
DisclosureSEC source: 0001526513-24-000008 · primary_doc.xml · derivative · entry 2 WOLSFELD MATTHEW C · CIK 0001258563 · CFO and Corporate Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 33,156 Underlying: Common Stock · 33,156 shares Expires 2034-08-31 F2 · derivative.exercise_date: This option vests with respect to 11,052 shares on each of September 1, 2025, September 1, 2026, and September 1, 2027. Read SEC document |
| September 01, 2024 Filed Sep 5, 2024 00:08 UTC |
Pinho Cristina Lucia DuarteDirector
|
GrantCommon Stock | 3,771 | $0.00 | $0.00 |
DisclosureSEC source: 0001526513-24-000012 · primary_doc.xml · nonDerivative · entry 1 Pinho Cristina Lucia Duarte · CIK 0001960551 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 3,771 F1 · shares: These shares will vest on September 1, 2025 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date. F2 · balance_after: Includes 3,771 shares issuable upon vesting and settlement of restricted stock units. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.