SEC Form 4
Northern Technologies International Corp. (NTIC) insider trading
In the 12 months to Nov 6, 2026, 2 NTIC insiders reported open-market sales of $224.6K across 2 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $224.6K
- 2 filings · 2 insiders
- Open-market purchases
- $0
- 0 filings
Who traded NTIC, and when
- Sale
NTIC daily close from Nov 6, 2025 to Nov 5, 2026, between $7.35 and $9.89, last $7.58. 2 sale and 0 purchase filings by 2 insiders, marked at their filing dates. G. Patrick Lynch, President and CEO: sold $128.5K across 1 filing, first filed Jul 31, 2026, last Jul 31, 2026. Richard Nigon, Director: sold $96.0K across 1 filing, first filed Jul 21, 2026, last Jul 21, 2026.
Largest mark · tap a row for others
G. Patrick Lynch · President and CEO
Sale $128,523
16,072 shares at $8.00 avg
Filed Jul 31, 2026 · traded Jul 29
Close on filing date $8.02
G. Patrick Lynch · President and CEO
President and CEO
$128.5K soldRichard Nigon · Director
Director
$96.0K soldOpen-market trades
2 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| G. Patrick Lynch | President and CEO | $128.5K | — | 1 | — | |
| Richard Nigon | Director | $96.0K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | G. Patrick Lynch President and CEO | Sale | 16,072 | $8.00 | $128.5K | 105,284 | |
traded | Richard Nigon Director | Sale | 12,000 | $8.00 | $96.0K | 47,148 |
GET /stocks/filings/vX/form-4?tickers=NTIC&filing_date.gte=2025-11-06&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"NTIC"
],
"issuer_cik": "0000875582",
"owner_cik": "0001258554",
"accession_number": "0001258554-26-000004",
"form_type": "4",
"filing_date": "2026-07-31",
"period_of_report": "2026-07-29",
"issuer_name": "NORTHERN TECHNOLOGIES INTERNATIONAL CORP",
"issuer_trading_symbol": "NTIC",
"owner_name": "LYNCH G PATRICK",
"is_director": true,
"is_officer": true,
"is_ten_percent_owner": true,
"is_other": false,
"officer_title": "President and CEO",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-07-29",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 2,
"transaction_price_per_share": 8.1,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 121354,
"transaction_value": 16.2,
"not_subject_to_section_16": false,
"direct_or_indirect": "D"
},
{
"tickers": [
"NTIC"
],
"issuer_cik": "0000875582",
"owner_cik": "0001258554",
"accession_number": "0001258554-26-000004",
"form_type": "4",
"filing_date": "2026-07-31",
"period_of_report": "2026-07-29",
"issuer_name": "NORTHERN TECHNOLOGIES INTERNATIONAL CORP",
"issuer_trading_symbol": "NTIC",
"owner_name": "LYNCH G PATRICK",
"is_director": true,
"is_officer": true,
"is_ten_percent_owner": true,
"is_other": false,
"officer_title": "President and CEO",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-07-30",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 16070,
"transaction_price_per_share": 7.9967,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 105284,
"transaction_value": 128506.969,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "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."
}
]
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 14 records
- Option exercises3 records
- Tax withholding1 record
- Grants and awards6 records
- Other4 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has Northern Technologies International Corp.'s CEO sold stock?
Yes. G. Patrick Lynch (CEO) sold 16,072 shares ($128.5K) in Jul 2026. Gautam Ramdas (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is NTIC’s insider data?
These are NTIC Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
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Track NTIC insider trades with your agent
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for NTIC every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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