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Mark E. Mlotek

HSIC
EVP, CHIEF STRATEGIC OFFICER · HENRY SCHEIN INC · CIK 0001194352
FILING MIX · LIFETIME26%/74%
BUYS
11
SELLS
32
TOTAL VALUE
$10.86M
COMPANIES
1
ACTIVE SINCE
Mar 2020
HOLDINGS NOW
98,372
AVG SELL PX
$78.56
TRADE KIND
SHOWING 43 / 43
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
7 backtested trades · 8 horizons · 7 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Mark E. Mlotek, 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
7d7+71.43%-1.74%+0.21%-1.95%-2.40%—
14d7+57.14%-3.17%+0.56%-3.72%-5.47%—
30d7+42.86%-1.72%+1.98%-3.71%-3.96%—
60d7+57.14%-2.64%+4.22%-6.87%-5.88%—
90d7+85.71%-3.13%+2.48%-4.87%-5.19%—
180d7(2 pending)+80.00%-5.90%+4.84%-10.74%-12.17%—
1y7(2 pending)+80.00%-3.27%+7.07%-10.34%-7.10%—
2y7(3 pending)+100.00%-8.23%+23.87%-32.10%-32.95%—
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
HSIC · 98,372 shares · as of Mar 16, 2026
032,34564,69197,036129,381202120222023202420252026SHARES 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 · 11 buys / 32 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
5,928$74.61$442.3K98,372Mar 16, 2026Mar 17, 2026 ↗View →
HSIC
HENRY SCHEIN INC
SALEGRANT
Gift
300——77,539Mar 6, 2026Mar 6, 2026 ↗View →
HSIC
HENRY SCHEIN INC
PURCHASEGRANT
Stock grant
27,061——104,300Mar 6, 2026Mar 10, 2026 ↗View →
HSIC
HENRY SCHEIN INC
SALEGRANT
Gift
300——77,239Mar 6, 2026Mar 10, 2026 ↗View →
HSIC
HENRY SCHEIN INC
SALEGRANT
Gift
1,215——78,439Mar 5, 2026Mar 6, 2026 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
4,100$80.80$331.3K82,379Mar 4, 2026Mar 6, 2026 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
1,825$80.81$147.5K80,554Mar 4, 2026Mar 6, 2026 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
1,065$82.39$87.7K86,479Feb 27, 2026Mar 3, 2026 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
9,440——87,544Feb 27, 2026Mar 3, 2026 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
6,433——96,984Mar 14, 2025Mar 17, 2025 ↗View →
HSIC
HENRY SCHEIN INC
SALEGRANT
Gift
340——103,417Mar 12, 2025Mar 14, 2025 ↗View →
HSIC
HENRY SCHEIN INC
PURCHASEGRANT
Stock grant
26,507——103,757Mar 10, 2025Mar 11, 2025 ↗View →
HSIC
HENRY SCHEIN INC
SALEGRANT
Gift
710——78,150Mar 7, 2025Mar 11, 2025 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
6,075$70.81$430.2K80,210Mar 3, 2025Mar 4, 2025 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
3,000$69.12$207.4K87,851Aug 14, 2024Aug 15, 2024 ↗View →
HSIC
HENRY SCHEIN INC
PURCHASEGRANT
Stock grant
26,752——90,851Mar 9, 2024Mar 11, 2024 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
3,796$76.88$291.8K64,099Mar 1, 2024Mar 5, 2024 ↗View →
HSIC
HENRY SCHEIN INC
SALEGRANT
Gift
743——67,895Dec 20, 2023Dec 21, 2023 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
24,747$76.68$1.90M69,138May 19, 2023May 23, 2023 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
10,360$78.90$817.4K102,249Mar 3, 2023Mar 7, 2023 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
5,355$78.90$422.5K94,615Mar 3, 2023Mar 7, 2023 ↗View →
HSIC
HENRY SCHEIN INC
PURCHASEGRANT
Stock grant
7,378——112,609Mar 3, 2023Mar 7, 2023 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
2,279$78.90$179.8K99,970Mar 3, 2023Mar 7, 2023 ↗View →
HSIC
HENRY SCHEIN INC
PURCHASEGRANT
Stock grant
24,051——105,231Mar 1, 2023Mar 3, 2023 ↗View →
HSIC
HENRY SCHEIN INC
PURCHASEGRANT
Stock grant
13,780——13,780Mar 16, 2022Mar 18, 2022 ↗View →
HSIC
HENRY SCHEIN INC
PURCHASEGRANT
Stock grant
17,155——83,040Mar 16, 2022Mar 18, 2022 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
6,292$86.39$543.6K65,885Mar 7, 2022Mar 8, 2022 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
9,592$86.98$834.3K72,177Mar 4, 2022Mar 8, 2022 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
649——81,769Mar 4, 2022Mar 8, 2022 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
1,758$87.24$153.4K82,418Mar 3, 2022Mar 4, 2022 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
3,275$85.75$280.8K84,176Mar 2, 2022Mar 4, 2022 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
24,075$82.99$2.00M87,451Feb 24, 2022Feb 25, 2022 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
13,296$83.02$1.10M112,459May 10, 2021May 11, 2021 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
2,775$62.57$173.6K125,755Mar 5, 2021Mar 9, 2021 ↗View →
HSIC
HENRY SCHEIN INC
PURCHASEGRANT
Stock grant
14,471——120,287Mar 3, 2021Mar 5, 2021 ↗View →
HSIC
HENRY SCHEIN INC
PURCHASEGRANT
Stock grant
35,798——35,798Mar 3, 2021Mar 5, 2021 ↗View →
HSIC
HENRY SCHEIN INC
PURCHASEGRANT
Stock grant
8,243——128,530Mar 3, 2021Mar 5, 2021 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
11,992——106,989Mar 2, 2021Mar 4, 2021 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
1,173$62.92$73.8K105,816Mar 2, 2021Mar 4, 2021 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
2,166——124,373Mar 6, 2020Mar 10, 2020 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
4,604$57.69$265.6K119,769Mar 6, 2020Mar 10, 2020 ↗View →
HSIC
HENRY SCHEIN INC
SALE
EVP, Chief Strategic Officer
2,842$61.63$175.2K126,539Mar 4, 2020Mar 6, 2020 ↗View →
HSIC
HENRY SCHEIN INC
PURCHASEGRANT
Stock grant
22,704——129,381Mar 3, 2020Mar 5, 2020 ↗View →
Other insiders · HSIC
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About this filer
CIK 0001194352
ROLE
EVP, Chief Strategic Officer
PRIMARY
HSIC
COMPANIES
1
ACTIVE SINCE
Mar 2020
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