NIGON RICHARD — SEC Form 4 filings

SEC reporting owner CIK 1213869. 13 Form 4 filings on record with FilingPulse; latest filed 2026-09-03.

Transaction summary — filings shown

Covers all 13 filings on record, filed 2024-06-06 to 2026-09-03. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By issuer — same filings

Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

IssuerRole (as filed)FilingsPurchases (P)Sales (S)Other legs
NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)Director61 leg · 12,000 sh · $96,04811
Celcuity Inc. (CELC)Director711

Form 4 filings — NIGON RICHARD

FiledFormIssuerReported transactionsSource
2026-09-034NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)Grant/award (A): 7,426 @ $0EDGAR
2026-07-214NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)Option exercise (M): 12,000 @ $6.70 · Sale (S): 12,000 @ $8.00 · Option exercise (M): 12,000 (derivative) @ $0EDGAR
2026-06-094Celcuity Inc. (CELC)Grant/award (A): 1,530 @ $0EDGAR
2026-04-134Celcuity Inc. (CELC)Gift (G): 10,000 @ $0EDGAR
2026-01-094Celcuity Inc. (CELC)Gift (G): 19,975 @ $0EDGAR
2025-09-154Celcuity Inc. (CELC)Option exercise/expiry (X): 4,672 @ $7.56 · Option exercise/expiry (X): 3,245 @ $7.56 · Option exercise/expiry (X): 4,672 (derivative) @ $0 · Option exercise/expiry (X): 3,245 (derivative) @ $0EDGAR
2025-09-034NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)Grant/award (A): 8,086 @ $0EDGAR
2025-07-284NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)Option exercise (M): 12,000 @ $7.43 · Tax withholding (F): 10,873 @ $8.20 · Option exercise (M): 12,000 (derivative) @ $0EDGAR
2025-05-214Celcuity Inc. (CELC)Grant/award (A): 14,048 (derivative) @ $0EDGAR
2024-09-044NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)Grant/award (A): 11,811 (derivative) @ $0EDGAR
2024-08-024NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)Option exercise (M): 12,000 @ $10.05 · Tax withholding (F): 7,665 @ $13.11 · Option exercise (M): 12,000 (derivative) @ $0EDGAR
2024-06-124Celcuity Inc. (CELC)Option exercise/expiry (X): 5,061 @ $9.50 · Option exercise/expiry (X): 5,061 (derivative) @ $0EDGAR
2024-06-064Celcuity Inc. (CELC)Grant/award (A): 8,153 (derivative) @ $0EDGAR

FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.

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