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David Martin Katz

UNF
EXECUTIVE VP, SALES/MARKETING · UNIFIRST CORP · CIK 0001459610
FILING MIX · LIFETIME38%/62%
BUYS
24
SELLS
40
TOTAL VALUE
$6.09M
COMPANIES
1
ACTIVE SINCE
Jan 2020
HOLDINGS NOW
6,461
AVG SELL PX
$199.81
TRADE KIND
SHOWING 64 / 64
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
13 backtested trades · 8 horizons · 10 pending
Forward-return performance of every backtestable P/S trade by David Martin Katz, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d13+69.23%-0.65%-1.28%+0.63%-1.55%—
14d13+61.54%-0.93%-1.43%+0.50%-1.40%—
30d13+69.23%-3.26%-3.59%+0.33%-4.48%—
60d13+61.54%-2.93%-4.55%+1.62%-4.59%—
90d13+53.85%+0.60%+0.09%+0.51%-2.80%—
180d13(1 pending)+66.67%+5.95%+3.05%+2.90%-5.05%—
1y13(3 pending)+70.00%-7.64%+9.50%-17.14%-19.43%—
2y13(6 pending)+100.00%-16.19%+17.09%-33.28%-28.79%—
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
UNF · 6,461 shares · as of Feb 17, 2026
02,0734,1466,2198,292202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
FLOW · 24 buys / 40 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
UNF
UNIFIRST CORP
SALE10b5-1
10b5-1 plan
1,464$237.54$347.8K6,461Feb 17, 2026Feb 18, 2026 ↗View →
UNF
UNIFIRST CORP
PURCHASEGRANT
Stock grant
1,866——7,925Dec 16, 2025Dec 18, 2025 ↗View →
UNF
UNIFIRST CORP
PURCHASEGRANT
Stock grant
2,676——2,676Dec 16, 2025Dec 18, 2025 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
1,232$156.50$192.8K6,060Nov 3, 2025Nov 5, 2025 ↗View →
UNF
UNIFIRST CORP
SALE10b5-1
10b5-1 plan
1$156.50$1576,059Nov 3, 2025Nov 5, 2025 ↗View →
UNF
UNIFIRST CORP
PURCHASE
Executive VP, Sales/Marketing
1,233——7,292Nov 3, 2025Nov 5, 2025 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
1,297——0Nov 3, 2025Nov 5, 2025 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
1,289$154.35$199.0K6,067Nov 3, 2025Nov 5, 2025 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
1,233——0Nov 3, 2025Nov 5, 2025 ↗View →
UNF
UNIFIRST CORP
SALE10b5-1
10b5-1 plan
8$155.11$1.2K6,059Nov 3, 2025Nov 5, 2025 ↗View →
UNF
UNIFIRST CORP
PURCHASE
Executive VP, Sales/Marketing
1,297——7,356Nov 3, 2025Nov 5, 2025 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
791$154.35$122.1K6,059Oct 31, 2025Nov 4, 2025 ↗View →
UNF
UNIFIRST CORP
PURCHASEGRANT
Stock grant
687——7,142Oct 31, 2025Nov 4, 2025 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
292$154.35$45.1K6,850Oct 31, 2025Nov 4, 2025 ↗View →
UNF
UNIFIRST CORP
SALE10b5-1
10b5-1 plan
1,299$210.95$274.0K6,455Feb 18, 2025Feb 19, 2025 ↗View →
UNF
UNIFIRST CORP
PURCHASE
Executive VP, Sales/Marketing
2,667——8,292Nov 19, 2024Nov 22, 2024 ↗View →
UNF
UNIFIRST CORP
PURCHASEGRANT
Stock grant
2,459——2,459Nov 19, 2024Nov 22, 2024 ↗View →
UNF
UNIFIRST CORP
PURCHASEGRANT
Stock grant
771——8,082Nov 19, 2024Nov 22, 2024 ↗View →
UNF
UNIFIRST CORP
SALE10b5-1
10b5-1 plan
587$193.08$113.3K5,625Nov 19, 2024Nov 22, 2024 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
2,080$192.67$400.8K6,212Nov 19, 2024Nov 22, 2024 ↗View →
UNF
UNIFIRST CORP
PURCHASEGRANT
Stock grant
1,686——7,311Nov 19, 2024Nov 22, 2024 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
328$192.83$63.2K7,754Nov 19, 2024Nov 22, 2024 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
2,667——0Nov 19, 2024Nov 22, 2024 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
634$179.81$114.0K5,625Oct 31, 2024Nov 4, 2024 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
550$175.00$96.3K6,259Jul 15, 2024Jul 17, 2024 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
565$164.43$92.9K6,809Oct 31, 2023Nov 2, 2023 ↗View →
UNF
UNIFIRST CORP
PURCHASEGRANT
Stock grant
1,986——1,986Oct 31, 2023Nov 2, 2023 ↗View →
UNF
UNIFIRST CORP
PURCHASEGRANT
Stock grant
2,053——7,374Oct 31, 2023Nov 2, 2023 ↗View →
UNF
UNIFIRST CORP
PURCHASEGRANT
Stock grant
591——5,572Oct 24, 2023Oct 26, 2023 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
251$163.99$41.2K5,321Oct 24, 2023Oct 26, 2023 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
89$187.84$16.7K4,981Dec 20, 2022Dec 22, 2022 ↗View →
UNF
UNIFIRST CORP
PURCHASEGRANT
Stock grant
1,796——1,796Nov 28, 2022Nov 30, 2022 ↗View →
UNF
UNIFIRST CORP
PURCHASEGRANT
Stock grant
1,772——5,070Nov 28, 2022Nov 30, 2022 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
415$184.01$76.4K3,298Oct 31, 2022Nov 2, 2022 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
1,265$195.00$246.7K3,713Jul 29, 2022Aug 1, 2022 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
928$190.09$176.4K4,978Jan 31, 2022Feb 2, 2022 ↗View →
UNF
UNIFIRST CORP
PURCHASE
Executive VP, Sales/Marketing
1,333$119.00$158.6K7,239Jan 4, 2022Jan 6, 2022 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
379$212.00$80.3K5,906Jan 4, 2022Jan 6, 2022 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
1,333——2,667Jan 4, 2022Jan 6, 2022 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
954$212.00$202.2K6,285Jan 4, 2022Jan 6, 2022 ↗View →
UNF
UNIFIRST CORP
PURCHASEGRANT
Stock grant
1,493——5,906Nov 17, 2021Nov 19, 2021 ↗View →
UNF
UNIFIRST CORP
PURCHASEGRANT
Stock grant
1,831——1,831Nov 17, 2021Nov 19, 2021 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
1,334——0May 3, 2021May 5, 2021 ↗View →
UNF
UNIFIRST CORP
PURCHASE
Executive VP, Sales/Marketing
1,334$104.67$139.6K5,747May 3, 2021May 5, 2021 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
502$220.48$110.7K4,413May 3, 2021May 5, 2021 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
832$224.19$186.5K4,915May 3, 2021May 5, 2021 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
1,333——0Apr 1, 2021Apr 5, 2021 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
833$223.71$186.4K4,913Apr 1, 2021Apr 5, 2021 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
500$221.89$110.9K4,413Apr 1, 2021Apr 5, 2021 ↗View →
UNF
UNIFIRST CORP
PURCHASE
Executive VP, Sales/Marketing
1,333$104.67$139.5K5,746Apr 1, 2021Apr 5, 2021 ↗View →
UNF
UNIFIRST CORP
PURCHASE
Executive VP, Sales/Marketing
1,333$104.67$139.5K5,746Mar 1, 2021Mar 3, 2021 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
815$242.29$197.5K4,931Mar 1, 2021Mar 3, 2021 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
1,333——0Mar 1, 2021Mar 3, 2021 ↗View →
UNF
UNIFIRST CORP
SALE
Executive VP, Sales/Marketing
518$242.03$125.4K4,413Mar 1, 2021Mar 3, 2021 ↗View →
UNF
UNIFIRST CORP
PURCHASEGRANT
Stock grant
1,584——1,584Oct 26, 2020Oct 28, 2020 ↗View →
UNF
UNIFIRST CORP
PURCHASEGRANT
Stock grant
1,169——4,413Oct 26, 2020Oct 28, 2020 ↗View →
UNF
UNIFIRST CORP
SALE
Senior VP Sales and Marketing
1,941$209.62$406.9K3,969Feb 20, 2020Feb 21, 2020 ↗View →
UNF
UNIFIRST CORP
SALE
Senior VP Sales and Marketing
2,666——0Feb 20, 2020Feb 21, 2020 ↗View →
UNF
UNIFIRST CORP
PURCHASE
Senior VP Sales and Marketing
2,666$106.99$285.2K5,910Feb 20, 2020Feb 21, 2020 ↗View →
UNF
UNIFIRST CORP
SALE
Senior VP Sales and Marketing
725$208.19$150.9K3,244Feb 20, 2020Feb 21, 2020 ↗View →
UNF
UNIFIRST CORP
PURCHASE
Senior VP Sales and Marketing
2,667$106.99$285.3K5,911Jan 21, 2020Jan 22, 2020 ↗View →
UNF
UNIFIRST CORP
SALE
Senior VP Sales and Marketing
732$210.99$154.4K3,244Jan 21, 2020Jan 22, 2020 ↗View →
UNF
UNIFIRST CORP
SALE
Senior VP Sales and Marketing
1,935$211.82$409.9K3,976Jan 21, 2020Jan 22, 2020 ↗View →
UNF
UNIFIRST CORP
SALE
Senior VP Sales and Marketing
2,667——2,666Jan 21, 2020Jan 22, 2020 ↗View →
Other insiders · UNF
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About this filer
CIK 0001459610
ROLE
Executive VP, Sales/Marketing
PRIMARY
UNF
COMPANIES
1
ACTIVE SINCE
Jan 2020
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