Acme United Corp
ACU- Exchange
- NYSE
- Industry
- Cutlery, Handtools & General Hardware
- SEC CIK
- 0000002098
In the last 90 days, Acme United Corp insiders filed 0 open-market purchases and 7 sales; 81 institutions reported holding it in 13F filings for Q2 2026, worth $133.6M in total; no superinvestor holds it.
Holders of 5% or more of ACU
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Acme United Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Capital Management Corp | 13G/A | 9.80%375.2K shares | −3.40 ppfrom 13.20% | Jan 28, 20218 filings | Oct 22, 2026 | SEC |
| Mink Brook Partners LP | 13G/A | 9.50%359.9K shares | – | Aug 15, 20243 filings | May 12, 2025 | SEC |
| North Star Investment Management Corp. | 13G/A | 6.64%252.6K shares | −1.36 ppfrom 8.00% | Jan 5, 20216 filings | Feb 2, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
24 Schedule 13D and 13G filings on Acme United Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Oct 22, 20264:35 PM ET | Capital Management Corp | 13G/A | 9.80%375.2K shares | −3.40 ppfrom 13.20% | Sep 30, 2026 | SEC |
| Apr 2, 20263:41 PM ET | Capital Management Corp | 13G/A | 13.20%501.0K shares | −1.00 ppfrom 14.20% | Mar 31, 2026 | SEC |
| Feb 2, 202612:34 PM ET | North Star Investment Management Corp. | 13G/A | 6.64%252.6K shares | −1.36 ppfrom 8.00% | Dec 31, 2025 | SEC |
| Jan 30, 202612:48 PM ET | Capital Management Corp | 13G/A | 14.20%540.3K shares | −1.10 ppfrom 15.30% | Dec 31, 2025 | SEC |
| May 12, 20252:32 PM ET | Mink Brook Partners LPand 4 others | 13G/A | 9.50%359.9K shares | – | Mar 31, 2025 | SEC |
| Apr 15, 202512:18 PM ET | Dimensional Fund Advisors LP | 13G/A | 4.60%174.3K shares | –Below 5% | Mar 31, 2025 | SEC |
| Feb 6, 20252:17 PM ET | Capital Management Corp | 13G/A | 15.30%569.8K shares | +1.00 ppfrom 14.30% | Dec 31, 2024 | SEC |
| Jan 7, 20253:57 PM ET | North Star Investment Management Corp. | 13G/A | 8.00%299.4K shares | – | Dec 31, 2024 | SEC |
| Nov 12, 2024 | Mink Brook Partners LP | 13G/AOld format | – | – | – | SEC |
| Aug 15, 2024 | Mink Brook Partners LP | 13GOld format | – | New | – | SEC |
| Feb 27, 2024 | Walleye Capital LLC | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2024 | Walleye Capital LLC | 13GOld format | – | New | – | SEC |
| Feb 9, 2024 | Dimensional Fund Advisors LP | 13G/AOld format | – | – | – | SEC |
| Jan 29, 202410:45 AM ET | Capital Management Corp | 13G/A | 14.30%579.6K shares | – | Dec 31, 2023 | SEC |
| Jan 10, 2024 | North Star Investment Management Corp. | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2023 | Dimensional Fund Advisors LP | 13GOld format | – | New | – | SEC |
| Jan 10, 2023 | North Star Investment Management Corp. | 13G/AOld format | – | – | – | SEC |
| Jan 9, 2023 | Capital Management Corp | 13G/AOld format | – | – | – | SEC |
| Feb 23, 2022 | Capital Management Corp | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Renaissance Technologies LLC | 13G/AOld format | – | – | – | SEC |
| Jan 7, 2022 | North Star Investment Management Corp. | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2021 | Renaissance Technologies LLC | 13G/AOld format | – | – | – | SEC |
| Jan 28, 2021 | Capital Management Corp | 13G/AOld format | – | – | – | SEC |
| Jan 5, 2021 | North Star Investment Management Corp. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
16 notices from officers, directors and other affiliates planning to sell Acme United Corp shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Nov 12, 20265:21 PM ET | Rex DavidsonDirector | 6.20K | $435.5K | Nov 12, 2026 | UBS Financial Services Inc | SEC |
| Nov 2, 20265:06 PM ET | Murphy Susan HDirector | 2.89K | $200.3K | Nov 2, 2026 | Fidelity Brokerage Services LLC | SEC |
| Oct 29, 202612:09 PM ET | Olschan Brian SOfficer | 17.9K | $1.18M | Oct 29, 2026 | Fidelity Brokerage Services LLC | SEC |
| Aug 17, 20264:47 PM ET | Olschan Brian SOfficer | 7.31K | $453.1K | Aug 17, 2026 | Fidelity Brokerage Services LLC | SEC |
| Aug 10, 202612:31 PM ET | Rex DavidsonDirector | 3.68K | $207.9K | Aug 10, 2026 | UBS Financial Services Inc | SEC |
| Aug 3, 20262:46 PM ET | Olschan Brian SPolicy-Making Officer | 10.9K | $620.3K | Jul 31, 2026 | Fidelity Brokerage Services LLC | SEC |
| May 26, 20264:21 PM ET | Olschan Brian SPolicy-Making Officer | 4.83K | $203.6K | May 22, 2026 | Fidelity Brokerage Services LLC | SEC |
| Apr 28, 202512:05 PM ET | Olschan Brian SOfficer | 10.3K | $422.6K | Apr 28, 2025 | Fidelity Brokerage Services LLC | SEC |
| Dec 3, 20249:44 AM ET | Driscoll Paul GOfficer | 1.00K | $44.2K | Dec 3, 2024 | Charles Schwab Corp. | SEC |
| Nov 29, 202412:32 PM ET | Driscoll Paul GOfficer | 2.00K | $89.6K | Nov 29, 2024 | Charles Schwab Corp. | SEC |
| Jul 26, 202410:18 AM ET | Olschan Brian SOfficer | 3.15K | $123.7K | Jul 26, 2024 | Fidelity Brokerage Services LLC | SEC |
| Apr 23, 202411:01 AM ET | Olschan Brian SOfficer | 35.0K | $1.63M | Apr 23, 2024 | Fidelity Brokerage Services LLC | SEC |
| Nov 22, 20232:03 PM ET | Davidson Rex LynnDirector | 5.00K | $186.2K | Nov 22, 2023 | Fidelity Brokerage Services LLC | SEC |
| Nov 2, 20231:40 PM ET | Olschan Brian SOfficer | 30.0K | $1.04M | Nov 2, 2023 | Fidelity Brokerage Services LLC | SEC |
| Jul 24, 202312:52 PM ET | Olschan Brian SOfficer | 11.0K | $286.8K | Jul 24, 2023 | Fidelity Brokerage Services LLC | SEC |
| Apr 25, 20231:36 PM ET | Olschan Brian SOfficer | 29.3K | $731.5K | Apr 25, 2023 | FIDELITY BROKERAGE SERVICES LLC | SEC |