🕵️ Unifirst Corp ($UNF)
SEC insider & ownership activity, last 12 months · CIK 717954 · every row links its SEC filing
Over the last 12 months insiders sold $576K with no open-market buying against it. David Katz sold $349K through a 10b5-1 trading plan in 3 lots (Nov–Feb). No red-flag 8-Ks in the window.
🚨 1 signal active —
planned-vs-executed verdicts, pre-event flags, and cluster context live in the
API and the
alerts bot.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 2 sellers, $576K (4 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| David Katz | 0 | – | 3 | $349K | Feb 17, 2026 |
| William Ross | 0 | – | 1 | $227K | Feb 9, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Cintas Corp | 18.7% | 13D | Mar 10, 2026 | filing ↗ | |
| BlackRock, Inc. | 14.3% | 13G | Jul 17, 2025 | filing ↗ | |
| Vanguard Portfolio Management | 5.7% | 13G | Apr 29, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Apr 30, 2026 | filing ↗ | |
| Dimensional Fund Advisors LP | 5.1% | 13G | Jan 23, 2025 | filing ↗ | |
| The London Company | 5.1% | Class A | 13G | Aug 14, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| David Katz | $348K | Feb 17, 2026 | filing ↗ |
| William Ross | $227K | Feb 9, 2026 | filing ↗ |
| David DiFillippo | $1.4M | Jan 28, 2026 | filing ↗ |
| David Difillippo | $288K | Jan 9, 2026 | filing ↗ |
| David Katz | $1K | Nov 3, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Sep 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 11, 2026 | filing ↗ |
| Officer/director changes (5.02) | Aug 24, 2026 | filing ↗ |
| Earnings (2.02) | Jul 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 1, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 11, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 11, 2026 | filing ↗ |
| Other events (8.01) | Jun 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 11, 2026 | filing ↗ |
| Earnings (2.02) | Apr 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 1, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 10, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Mar 10, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 10, 2026 | filing ↗ |
| Other events (8.01) | Mar 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 10, 2026 | filing ↗ |
| Earnings (2.02) | Jan 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 7, 2026 | filing ↗ |
| Officer/director changes (5.02) | Dec 29, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 29, 2025 | filing ↗ |
| Shareholder vote (5.07) | Dec 15, 2025 | filing ↗ |
| Other events (8.01) | Dec 15, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 15, 2025 | filing ↗ |
| Other events (8.01) | Dec 15, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 15, 2025 | filing ↗ |
| Earnings (2.02) | Oct 22, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 22, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 22, 2025 | filing ↗ |
| Earnings (2.02) | Oct 17, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 17, 2025 | filing ↗ |