SC Filed 2018-01-08 Event — SEC 0001062993-18-000052 →

North Star Investment Management Corp. → ACME UNITED CORP ACU

Stake: — Shares: —

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 6/100

Passive Schedule 13G filer baseline

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

12 transactions

3 buys · 3 sales · 5 awards/exercises

Issuer Cluster

2 13D/G filings on this issuer

1 other filing besides this one

Filer Track Record

11 filings by this filer

10 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 2.61

77,825 shares short · +1.6% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-05-13	JOHNSEN WALTER C	director, officer, 10%+ owner	Option exercise	30,000	$23.99	$720K
2026-05-13	JOHNSEN WALTER C	director, officer, 10%+ owner	F	24,166	$40.53	$979K
2026-03-03	MURPHY SUSAN H	director	Gift	1,200	$44.08	$53K
2026-03-02	JOHNSEN WALTER C	director, officer, 10%+ owner	Award	25,000	$44.77	$1.12M
2026-03-02	OLSCHAN BRIAN S	director, officer	Award	20,000	$44.77	$895K
2026-03-02	DRISCOLL PAUL G	officer	Award	15,000	$44.77	$672K
2026-02-27	DRISCOLL PAUL G	officer	Option exercise	15,000	$21.49	$322K
2026-02-27	OLSCHAN BRIAN S	director, officer	Option exercise	15,000	$24.92	$374K
2026-02-27	JOHNSEN WALTER C	director, officer, 10%+ owner	Option exercise	30,000	$21.49	$645K
2026-02-27	JOHNSEN WALTER C	director, officer, 10%+ owner	Disposition	30,000	$45.88	$1.38M
2026-02-27	OLSCHAN BRIAN S	director, officer	Disposition	15,000	$45.88	$688K
2026-02-27	DRISCOLL PAUL G	officer	Disposition	15,000	$45.88	$688K

Other 13D/G Filings on ACME UNITED CORP

Filed	Form	Filer	Stake	Shares
2026-10-22	SCHEDULE 13G/A	CAPITAL MANAGEMENT CORP /VA	—	—	view →

Other Filings by North Star Investment Management Corp.

Filed	Form	Issuer	Stake	Shares
2026-07-02	SCHEDULE 13G/A	Orion Energy Systems, Inc. OESX	—	—	view →
2019-03-08	SC	Truett-Hurst, Inc.	—	—	view →
2019-01-09	SC	NTN BUZZTIME INC ERNAW	—	—	view →
2019-01-09	SC	Truett-Hurst, Inc.	—	—	view →
2018-01-08	SC	TALON INTERNATIONAL, INC.	—	—	view →
2018-01-08	SC	Truett-Hurst, Inc.	—	—	view →
2018-01-08	SC	ORION ENERGY SYSTEMS, INC. OESX	—	—	view →
2018-01-08	SC	PIONEER POWER SOLUTIONS, INC. PPSI	—	—	view →
2018-01-08	SC	NTN BUZZTIME INC ERNAW	—	—	view →
2018-01-08	SC	ECOLOGY & ENVIRONMENT INC	—	—	view →

Want this depth on every filing the moment it hits SEC EDGAR?

Free $0 (48h-delayed alerts) · Individual $49/mo (real-time) · Team & API $199/mo · Enterprise.

See pricing →