SEC ownership of ACME UNITED CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000002098.
- CIK
- 0000002098
- Symbol
- ACU on NYSE
- Location
- Shelton, CT
- Parsed ownership evidence
- 13F and 13D/G
- Lead holder
- CAPITAL MANAGEMENT CORP /VA
- 13D/G signal
- CAPITAL MANAGEMENT CORP /VA
- Latest evidence date
- 31 Mar 2026
Ownership snapshot
Top shareholders of ACME UNITED CORP (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
CAPITAL MANAGEMENT CORP /VA
13D/G signal
CAPITAL MANAGEMENT CORP /VA
Evidence rows
50
Latest as of
31 Mar 2026
13F
13D/G
Lead comparable stake: 13%
13D/G row: CAPITAL MANAGEMENT CORP /VA
Showing first 8 of 50 holder rows.
Open remaining rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| CAPITAL MANAGEMENT CORP /VA |
13F
13D/G
Company · The Capital Management Corporation
|
13%
from 13D/G
|
$22,498,441
500,967 shares
|
— | 31 Mar 2026 |
| Mink Brook Partners LP |
13D/G
Mink Brook Asset Management LLC
|
9.5%
|
$14,717,619
359,932 shares
|
$0 | 31 Mar 2025 |
| North Star Investment Management Corp. |
13F
13D/G
Company · North Star Investment Management Corporation
|
6.6%
from 13D/G
|
$11,346,023
252,639 shares
|
— | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
Company
|
4.6%
from 13D/G
|
$7,705,283
171,577 shares
|
— | 31 Mar 2026 |
| Mink Brook Asset Management LLC |
13F
Company
|
10%
|
$17,094,677
380,643 shares
|
— | 31 Mar 2026 |
| BlackRock, Inc. |
13F
Company
|
4.4%
|
$7,441,139
165,690 shares
|
— | 31 Mar 2026 |
| ROYCE & ASSOCIATES LP |
13F
Company
|
3.9%
|
$6,574,959
146,403 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
3.7%
|
$6,331,951
140,992 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$275,356.
Buys
$0
Insiders: 0
Sells
$275,356
Insiders: 1
Net
-$275,356
Shares: -6,643
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 6,643
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 4,833 | $0 | $202,986 | -$202,986 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 1,810 | $0 | $72,370 | -$72,370 |
Reporting owners
Insider holders from Forms 3/4/5
Current reporting-owner rows connected to ACME UNITED CORP. Open the relationship link for the CIK-to-CIK filing trail.
Rows
9
Lead holder
Walter C. Johnsen
Net 12M change
-$275,356
Latest report
28 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Walter C. Johnsen | Chairman and CEO, Director, 10%+ Owner | $32,659,000 | Mixed | 27 May 2026 | ||
| Brian S. Olschan | President and COO, Director | $13,445,533 | -$275,356 | -2% | Mixed | 28 May 2026 |
| Paul G. Driscoll | Chief Financial Officer | $9,475,460 | Mixed | 27 Feb 2026 | ||
| Susan H. Murphy | Director | $1,516,374 | Mixed | 03 Mar 2026 | ||
| Stevenson E. Ward III | Director | $1,400,569 | Mixed | 09 Sep 2024 | ||
| Rex Lynn Davidson | Director | $1,306,603 | Mixed | 12 Aug 2025 | ||
| Richmond Y. Holden Jr. | Director | $1,026,290 | Mixed | 05 Sep 2025 | ||
| Brian Barker | Director | $824,600 | Mixed | 12 Aug 2025 | ||
| Paul J. Conway | Director | $325,500 | Mixed | 12 Aug 2025 |
Recent Insider Transactions by Companies or Individuals for ACME UNITED CORP
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Reported value | Reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Brian S. Olschan | ACU | Common Stock | Sale | -10.5% | $202,986 | $42.00 | -4,833 | 41,172 | 28 May 2026 | Direct |
| Walter C. Johnsen | ACU | Common Stock | Gift | -1.82% | -5,834 | 314,999 | 27 May 2026 | Direct | ||
| Brian S. Olschan | ACU | Common Stock | Tax liability | -24.8% | -15,204 | 46,005 | 21 May 2026 | Direct | ||
| Brian S. Olschan | ACU | Common Stock | Options Exercise | 48.5% | 20,000 | 61,209 | 21 May 2026 | Direct | ||
| Brian S. Olschan | ACU | Employee Stock Option | Options Exercise | -7.64% | -20,000 | 241,700 | 21 May 2026 | Direct | ||
| Walter C. Johnsen | ACU | Common Stock | Tax liability | -7% | -24,166 | 320,833 | 13 May 2026 | Direct | ||
| Walter C. Johnsen | ACU | Common Stock | Options Exercise | 9.52% | 30,000 | 344,999 | 13 May 2026 | Direct | ||
| Walter C. Johnsen | ACU | Employee Stock Option | Options Exercise | -7.26% | -30,000 | 383,500 | 13 May 2026 | Direct | ||
| Susan H. Murphy | ACU | Common Stock | Gift | -16.7% | -1,200 | 5,967 | 03 Mar 2026 | Direct | ||
| Paul G. Driscoll | ACU | Employee Stock Option | Award | 10.3% | 15,000 | 160,000 | 02 Mar 2026 | Direct | ||
| Brian S. Olschan | ACU | Employee Stock Option | Award | 8.27% | 20,000 | 261,700 | 02 Mar 2026 | Direct | ||
| Walter C. Johnsen | ACU | Employee Stock Option | Award | 6.44% | 25,000 | 413,500 | 02 Mar 2026 | Direct | ||
| Paul G. Driscoll | ACU | Common Stock | Disposed to Issuer | -22.9% | -15,000 | 50,398 | 27 Feb 2026 | Direct | ||
| Paul G. Driscoll | ACU | Common Stock | Options Exercise | 29.8% | 15,000 | 65,398 | 27 Feb 2026 | Direct | ||
| Paul G. Driscoll | ACU | Employee Stock Option | Options Exercise | -9.38% | -15,000 | 145,000 | 27 Feb 2026 | Direct | ||
| Brian S. Olschan | ACU | Common Stock | Disposed to Issuer | -26.7% | -15,000 | 41,209 | 27 Feb 2026 | Direct | ||
| Brian S. Olschan | ACU | Common Stock | Options Exercise | 36.4% | 15,000 | 56,209 | 27 Feb 2026 | Direct | ||
| Brian S. Olschan | ACU | Employee Stock Option | Options Exercise | -5.84% | -15,000 | 241,700 | 27 Feb 2026 | Direct | ||
| Walter C. Johnsen | ACU | Common Stock | Disposed to Issuer | -8.7% | -30,000 | 314,999 | 27 Feb 2026 | Direct | ||
| Walter C. Johnsen | ACU | Common Stock | Options Exercise | 9.52% | 30,000 | 344,999 | 27 Feb 2026 | Direct | ||
| Walter C. Johnsen | ACU | Employee Stock Option | Options Exercise | -7.17% | -30,000 | 388,500 | 27 Feb 2026 | Direct | ||
| Richmond Y. Holden Jr. | ACU | Common Stock | Disposed to Issuer | -14.1% | -2,500 | 15,250 | 05 Sep 2025 | Direct | ||
| Richmond Y. Holden Jr. | ACU | Common Stock | Options Exercise | 16.4% | 2,500 | 17,750 | 05 Sep 2025 | Direct | ||
| Richmond Y. Holden Jr. | ACU | Employee Stock Option | Options Exercise | -13.2% | -2,500 | 16,500 | 05 Sep 2025 | Direct | ||
| Richmond Y. Holden Jr. | ACU | Common Stock | Disposed to Issuer | -14.1% | -2,500 | 15,250 | 13 Aug 2025 | Direct | ||
| Richmond Y. Holden Jr. | ACU | Common Stock | Options Exercise | 16.4% | 2,500 | 17,750 | 13 Aug 2025 | Direct | ||
| Richmond Y. Holden Jr. | ACU | Employee Stock Option | Options Exercise | -11.6% | -2,500 | 19,000 | 13 Aug 2025 | Direct | ||
| Rex Lynn Davidson | ACU | Employee Stock Option | Award | 9.43% | 2,500 | 29,000 | 12 Aug 2025 | Direct | ||
| Richmond Y. Holden Jr. | ACU | Employee Stock Option | Award | 13.2% | 2,500 | 21,500 | 12 Aug 2025 | Direct | ||
| Brian Barker | ACU | Employee Stock Option | Award | 15.2% | 2,500 | 19,000 | 12 Aug 2025 | Direct | ||
| Paul J. Conway | ACU | Employee Stock Option | Award | 50% | 2,500 | 7,500 | 12 Aug 2025 | Direct | ||
| Susan H. Murphy | ACU | Employee Stock Option | Award | 9.43% | 2,500 | 29,000 | 12 Aug 2025 | Direct | ||
| Paul G. Driscoll | ACU | Employee Stock Option | Award | 10.3% | 15,000 | 160,000 | 30 Jul 2025 | Direct | ||
| Walter C. Johnsen | ACU | Employee Stock Option | Award | 6.35% | 25,000 | 418,500 | 30 Jul 2025 | Direct | ||
| Brian S. Olschan | ACU | Employee Stock Option | Award | 8.45% | 20,000 | 256,700 | 30 Jul 2025 | Direct | ||
| Susan H. Murphy | ACU | Common Stock | Gift | -1.65% | -120 | 7,167 | 29 Jul 2025 | Direct | ||
| Brian S. Olschan | ACU | Common Stock | Sale | -2.37% | $40,050 | $40.01 | -1,001 | 41,209 | 03 Jun 2025 | Direct |
| Brian S. Olschan | ACU | Common Stock | Sale | -1.88% | $32,320 | $39.95 | -809 | 42,210 | 02 Jun 2025 | Direct |
An asterisk next to the price means the reported price is likely invalid.