SEC Form 4
Acme United Corporation (ACU) insider trading
In the 12 months to Oct 30, 2026, 4 ACU insiders reported open-market sales of $1.7M across 6 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $1.7M
- 6 filings · 4 insiders
- Open-market purchases
- $0
- 0 filings
Who traded ACU, and when
- Sale
ACU daily close from Oct 30, 2025 to Oct 30, 2026, between $35.50 and $69.28, last $69.28. 6 sale and 0 purchase filings by 4 insiders, marked at their filing dates. Brian S. Olschan, President and COO: sold $1.3M across 3 filings, first filed May 29, 2026, last Aug 19, 2026. Brian Barker, Director: sold $231.2K across 1 filing, first filed Aug 17, 2026, last Aug 17, 2026. Rex Lynn Davidson, Director: sold $208.1K across 1 filing, first filed Aug 11, 2026, last Aug 11, 2026. Richmond Y. Holden Jr., Director: sold $21.1K across 1 filing, first filed Oct 22, 2026, last Oct 22, 2026.
Largest mark · tap a row for others
Brian S. Olschan · President and COO
Sale $616,449
10,909 shares at $56.51 avg
Filed Aug 12, 2026 · traded Aug 3
Close on filing date $59.59
Brian S. Olschan · President and COO
President and COO
$1.3M soldBrian Barker · Director
Director
$231.2K soldRex Lynn Davidson · Director
Director
$208.1K soldRichmond Y. Holden Jr. · Director
Director
$21.1K soldOpen-market trades
6 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Brian S. Olschan | President and COO | $1.3M | — | 3 | — | |
| Brian Barker | Director | $231.2K | — | 1 | — | |
| Rex Lynn Davidson | Director | $208.1K | — | 1 | — | |
| Richmond Y. Holden Jr. | Director | $21.1K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Richmond Y. Holden Jr. Director | Sale | 341 | $62.01 | $21.1K | 16,915 | |
traded | Brian S. Olschan President and COO | Sale | 7,308 | $61.48 | $449.3K | 44,480 | |
traded | Brian Barker Director | Sale | 3,821 | $60.50 | $231.2K | 0 | |
traded | Brian S. Olschan President and COO | Sale | 10,909 | $56.51 | $616.4K | 41,172 | |
traded | Rex Lynn Davidson Director | Sale | 3,684 | $56.48 | $208.1K | 0 | |
traded | Brian S. Olschan President and COO | Sale | 4,833 | $42.00 | $203.0K | 41,172 |
GET /stocks/filings/vX/form-4?tickers=ACU&filing_date.gte=2025-10-30&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"ACU"
],
"issuer_cik": "0000002098",
"owner_cik": "0001213240",
"accession_number": "0001193125-26-428985",
"form_type": "4",
"filing_date": "2026-10-22",
"period_of_report": "2026-10-09",
"issuer_name": "ACME UNITED CORP",
"issuer_trading_symbol": "ACU",
"owner_name": "HOLDEN RICHMOND Y JR",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-10-09",
"deemed_execution_date": "2026-10-09",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 341,
"transaction_price_per_share": 62.01,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 16915,
"transaction_value": 21145.41,
"not_subject_to_section_16": false,
"direct_or_indirect": "D"
},
{
"tickers": [
"ACU"
],
"issuer_cik": "0000002098",
"owner_cik": "0001213244",
"accession_number": "0001193125-26-356980",
"form_type": "4",
"filing_date": "2026-08-19",
"period_of_report": "2026-08-18",
"issuer_name": "ACME UNITED CORP",
"issuer_trading_symbol": "ACU",
"owner_name": "OLSCHAN BRIAN S",
"is_director": true,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "President and COO",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-08-18",
"deemed_execution_date": "2026-08-18",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 3308,
"transaction_price_per_share": 61.63,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 41172,
"transaction_value": 203872.04,
"not_subject_to_section_16": false,
"direct_or_indirect": "D"
}
]
}
// 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) · 34 records
- Option exercises16 records
- Tax withholding13 records
- Gifts2 records
- Other3 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 the Acme United Corporation's CEO sold stock?
No. Walter C. Johnsen (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is ACU’s insider data?
These are ACU 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 ACU 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 ACU 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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