SEC ownership of UNIFIRST CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000717954.
- CIK
- 0000717954
- Symbol
- UNF on NYSE
- Location
- Wilmington, MA
- Parsed ownership evidence
- 13D/G, 13F, and 3/4/5
- Lead holder
- CINTAS CORP
- 13D/G signal
- CINTAS CORP
- Latest evidence date
- 31 Mar 2026
Ownership snapshot
Top shareholders of UNIFIRST 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.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| CINTAS CORP |
13D/G
|
19%
|
$793,286,228
3,374,968 shares
|
$0 | 10 Mar 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
14%
from 13D/G
|
$537,638,216
2,136,962 shares
|
— | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
5.7%
|
$207,838,247
826,099 shares
|
$0 | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.2%
|
$191,756,615
762,179 shares
|
$0 | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
Company
|
5.1%
from 13D/G
|
$187,305,190
744,492 shares
|
— | 31 Mar 2026 |
| River Road Asset Management, LLC |
13D/G
13F
Company
|
3.9%
|
$136,021,942
571,761 shares
|
-$38,386,830 | 16 Mar 2026 |
| David A. Difillippo |
3/4/5
Retired EVP of Operations
|
0.07%
|
$1,916,657
9,684 shares
|
— | 05 Jan 2026 |
| Cecelia Levenstein |
3/4/5
10%+ Owner
|
0.03%
|
$1,049,037
4,023 shares
|
— | 06 Feb 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: -$576,313.
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 2,592 | $0 | $574,915 | -$574,915 |
| 6-9 | 0 | 9 | $0 | $1,397 | -$1,397 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Current reporting-owner rows connected to UNIFIRST CORP. Open the relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Carol Croatti | 10%+ Owner | $470,196,552 | Mixed | 15 Jul 2022 | ||
| The Ronald D Croatti Trust - 1993 | 10%+ Owner | $452,351,424 | Mixed | 14 Oct 2024 | ||
| Thomas Postek | Director | $5,904,377 | Mixed | 28 Nov 2022 | ||
| Steven S. Sintros | President and CEO, Director | $5,432,362 | Mixed | 16 Dec 2025 | ||
| Phillip L. Cohen | Director | $2,654,250 | Mixed | 16 Jan 2023 | ||
| David A. Difillippo | Retired EVP of Operations | $1,916,657 | Mixed | 05 Jan 2026 | ||
| Kelly C. Rooney | Executive VP and COO | $1,823,842 | Mixed | 16 Dec 2025 | ||
| Matthew Croatti | 10%+ Owner | $1,744,392 | Mixed | 16 Dec 2025 | ||
| Shane O'Connor | Executive VP and CFO | $1,641,282 | Mixed | 16 Dec 2025 | ||
| David Martin Katz | Executive VP, Sales/Marketing | $1,534,745 | -$349,156 | -19% | Filing P/S | 17 Feb 2026 |
| Michael A. Croatti | Executive VP of Operations | $1,231,422 | Mixed | 19 Nov 2024 | ||
| Cecelia Levenstein | 10%+ Owner | $1,049,037 | Mixed | 06 Feb 2026 | ||
| William Masters Ross | Executive Vice President | $788,315 | -$227,157 | -22% | Mixed | 09 Feb 2026 |
| Raymond C. Zemlin | Director | $765,388 | Mixed | 13 Jan 2025 | ||
| Kathleen M. Camilli | Director | $495,236 | Mixed | 03 Apr 2023 | ||
| Joseph M. Nowicki | Director | $353,770 | Mixed | 16 Dec 2025 | ||
| Sergio A. Pupkin | Director | $284,071 | Mixed | 16 Dec 2025 | ||
| Cecilia K. McKenney | Director | $196,627 | Mixed | 16 Dec 2025 | ||
| Cynthia Croatti | Director, 10%+ Owner | Mixed | 16 Dec 2025 | |||
| Michael Iandoli | Director | Mixed | 16 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for UNIFIRST 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Cecelia Levenstein | UNF | Common Stock | Gift | -5.85% | -250 | 4,023 | 17 Mar 2026 | Direct | ||
| Cecelia Levenstein | UNF | Common Stock | Gift | -5.53% | -250 | 4,273 | 16 Mar 2026 | Direct | ||
| Cecelia Levenstein | UNF | Common Stock | Gift | -5.24% | -250 | 4,523 | 13 Mar 2026 | Direct | ||
| David Martin Katz | UNF | Common Stock | Sale | -18.5% | $347,759 | $237.54 | -1,464 | 6,461 | 17 Feb 2026 | Direct |
| Cecelia Levenstein | UNF | Common Stock | Gift | -4.98% | -250 | 4,773 | 09 Feb 2026 | Direct | ||
| William Masters Ross | UNF | Common Stock | Sale | -22.7% | $227,157 | $201.38 | -1,128 | 3,849 | 09 Feb 2026 | Direct |
| Cecelia Levenstein | UNF | Common Stock | Gift | -9.05% | -500 | 5,023 | 06 Feb 2026 | Direct | ||
| David A. Difillippo | UNF | Common Stock | Tax liability | -10.5% | -1,138 | 9,684 | 05 Jan 2026 | Direct | ||
| Sergio A. Pupkin | UNF | Common Stock | Award | 47.8% | 575 | 1,777 | 16 Dec 2025 | Direct | ||
| Sergio A. Pupkin | UNF | Stock Appreciation Right | Award | 987 | 987 | 16 Dec 2025 | Direct | |||
| Kelly C. Rooney | UNF | Common Stock | Award | 43.3% | 3,445 | 11,409 | 16 Dec 2025 | Direct | ||
| Kelly C. Rooney | UNF | Stock Appreciation Right | Award | 4,940 | 4,940 | 16 Dec 2025 | Direct | |||
| Steven S. Sintros | UNF | Common Stock | Award | 17.9% | 5,167 | 33,982 | 16 Dec 2025 | Direct | ||
| Steven S. Sintros | UNF | Stock Appreciation Right | Award | 7,410 | 7,410 | 16 Dec 2025 | Direct | |||
| Cynthia Croatti | UNF | Stock Appreciation Right | Award | 987 | 987 | 16 Dec 2025 | Direct | |||
| Matthew Croatti | UNF | Common Stock | Award | 6.29% | 646 | 10,912 | 16 Dec 2025 | Direct | ||
| Matthew Croatti | UNF | Stock Appreciation Right | Award | 618 | 618 | 16 Dec 2025 | Direct | |||
| Cecilia K. McKenney | UNF | Common Stock | Award | 87.8% | 575 | 1,230 | 16 Dec 2025 | Direct | ||
| Cecilia K. McKenney | UNF | Stock Appreciation Right | Award | 987 | 987 | 16 Dec 2025 | Direct | |||
| Michael Iandoli | UNF | Stock Appreciation Right | Award | 987 | 987 | 16 Dec 2025 | Direct | |||
| Joseph M. Nowicki | UNF | Common Stock | Award | 35.1% | 575 | 2,213 | 16 Dec 2025 | Direct | ||
| Joseph M. Nowicki | UNF | Stock Appreciation Right | Award | 987 | 987 | 16 Dec 2025 | Direct | |||
| David Martin Katz | UNF | Common Stock | Award | 30.8% | 1,866 | 7,925 | 16 Dec 2025 | Direct | ||
| David Martin Katz | UNF | Stock Appreciation Right | Award | 2,676 | 2,676 | 16 Dec 2025 | Direct | |||
| Shane O'Connor | UNF | Common Stock | Award | 31.2% | 2,440 | 10,267 | 16 Dec 2025 | Direct | ||
| Shane O'Connor | UNF | Stock Appreciation Right | Award | 3,500 | 3,500 | 16 Dec 2025 | Direct | |||
| William Masters Ross | UNF | Common Stock | Award | 35.1% | 1,292 | 4,977 | 16 Dec 2025 | Direct | ||
| William Masters Ross | UNF | Stock Appreciation Right | Award | 1,235 | 1,235 | 16 Dec 2025 | Direct | |||
| Steven S. Sintros | UNF | Common Stock | Tax liability | -0.99% | -287 | 28,815 | 19 Nov 2025 | Direct | ||
| David Martin Katz | UNF | Common Stock | Sale | -0.15% | $1,397 | $155.26 | -9 | 6,059 | 03 Nov 2025 | Direct |
| David Martin Katz | UNF | Common Stock | Tax liability | -29.4% | -2,521 | 6,060 | 03 Nov 2025 | Direct | ||
| David Martin Katz | UNF | Common Stock | Options Exercise | 52.4% | 2,530 | 7,356 | 03 Nov 2025 | Direct | ||
| David Martin Katz | UNF | Stock Appreciation Right | Options Exercise | -100% | -2,530 | 0 | 03 Nov 2025 | Direct | ||
| Kelly C. Rooney | UNF | Common Stock | Tax liability | -16.3% | -1,548 | 7,964 | 31 Oct 2025 | Direct | ||
| Kelly C. Rooney | UNF | Common Stock | Award | 36.2% | 2,529 | 9,512 | 31 Oct 2025 | Direct | ||
| Matthew Croatti | UNF | Common Stock | Tax liability | -2.58% | -272 | 10,266 | 31 Oct 2025 | Direct | ||
| William Masters Ross | UNF | Common Stock | Tax liability | -18.5% | -835 | 3,685 | 31 Oct 2025 | Direct | ||
| William Masters Ross | UNF | Common Stock | Award | 12.5% | 501 | 4,520 | 31 Oct 2025 | Direct | ||
| David Martin Katz | UNF | Common Stock | Tax liability | -15.2% | -1,083 | 6,059 | 31 Oct 2025 | Direct | ||
| David Martin Katz | UNF | Common Stock | Award | 10.6% | 687 | 7,142 | 31 Oct 2025 | Direct | ||
| Steven S. Sintros | UNF | Common Stock | Award | 6.98% | 1,898 | 29,102 | 31 Oct 2025 | Direct | ||
| Steven S. Sintros | UNF | Common Stock | Tax liability | -5.87% | -1,696 | 27,204 | 31 Oct 2025 | Direct | ||
| Shane O'Connor | UNF | Common Stock | Tax liability | -14.2% | -1,296 | 7,827 | 31 Oct 2025 | Direct | ||
| Shane O'Connor | UNF | Common Stock | Award | 10.9% | 897 | 9,123 | 31 Oct 2025 | Direct | ||
| David A. Difillippo | UNF | Common Stock | Tax liability | -7.16% | -835 | 10,822 | 31 Oct 2025 | Direct | ||
| David A. Difillippo | UNF | Common Stock | Award | 4.49% | 501 | 11,657 | 31 Oct 2025 | Direct | ||
| Kelly C. Rooney | UNF | Common Stock | Tax liability | -21.6% | -1,919 | 6,983 | 30 Sep 2025 | Direct |