Calderon Nancy E.

No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
5
5 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Sep 1, 2026Grant(A)6K$021K
Feb 11, 2026Small acquisition(L)2$8.66$2015K
Feb 11, 2026Small acquisition(L)3$8.66$2215K
Nov 12, 2025Small acquisition(L)3$8.12$2015K
Nov 12, 2025Small acquisition(L)3$8.12$2215K

Transaction Codes

A
Grant / award
L
See SEC Form 4 code table

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001791477-26-000001) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

Build

Ask your agent about NTIC insider filings

This filing is the Follow view. The Build view lets your agent pull every Form 4 for the issuer, the net open-market picture over 90 days, and the accession behind each row, through REST or MCP.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/filing/0001791477-26-000001"
Ask your agent
Use Arkolith to summarize insider buying and selling at NORTHERN TECHNOLOGIES INTERNATIONAL CORP
over the last 90 days and cite the filings.