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MH

Michael J. Hartshorn

ROST
GROUP PRESIDENT, COO · ROSS STORES, INC. · CIK 0001598716
FILING MIX · LIFETIME38%/62%
BUYS
14
SELLS
23
TOTAL VALUE
$36.81M
COMPANIES
1
ACTIVE SINCE
Mar 2020
HOLDINGS NOW
116,028
AVG SELL PX
$140.92
TRADE KIND
SHOWING 37 / 37
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
11 backtested trades · 8 horizons · 9 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Michael J. Hartshorn, 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
7d11+54.55%-1.62%-0.81%-0.81%-1.15%—
14d11+63.64%-1.36%-1.59%+0.23%-1.27%—
30d11+36.36%+1.42%+1.86%-0.45%-3.31%—
60d11+36.36%+1.01%+3.36%-3.15%-1.27%—
90d11+54.55%+0.53%+7.78%-7.25%-5.82%—
180d11(2 pending)+44.44%+0.59%+11.43%-10.84%-7.68%—
1y11(2 pending)+66.67%+6.73%+14.41%-7.68%-22.76%—
2y11(5 pending)+50.00%+11.42%+18.29%-6.88%-16.34%—
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
ROST · 116,028 shares · as of Mar 25, 2026
041,25782,514123,771165,028202120222023202420252026SHARES 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 · 14 buys / 23 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
ROST
ROSS STORES, INC.
SALE10b5-1
10b5-1 plan
15,813$214.91$3.40M116,028Mar 25, 2026Mar 26, 2026 ↗View →
ROST
ROSS STORES, INC.
SALE10b5-1
10b5-1 plan
6,061$214.52$1.30M131,841Mar 24, 2026Mar 26, 2026 ↗View →
ROST
ROSS STORES, INC.
PURCHASEGRANT
Stock grant
23,163——160,556Mar 20, 2026Mar 24, 2026 ↗View →
ROST
ROSS STORES, INC.
SALE
GROUP PRESIDENT, COO
22,654$211.19$4.78M137,902Mar 20, 2026Mar 24, 2026 ↗View →
ROST
ROSS STORES, INC.
PURCHASEGRANT
Stock grant
8,456——137,393Mar 11, 2026Mar 13, 2026 ↗View →
ROST
ROSS STORES, INC.
SALE10b5-1
10b5-1 plan
10,258$129.10$1.32M128,833Mar 25, 2025Mar 26, 2025 ↗View →
ROST
ROSS STORES, INC.
SALE10b5-1
10b5-1 plan
7,492$127.69$956.7K139,091Mar 24, 2025Mar 26, 2025 ↗View →
ROST
ROSS STORES, INC.
PURCHASEGRANT
Stock grant
25,438——164,892Mar 21, 2025Mar 25, 2025 ↗View →
ROST
ROSS STORES, INC.
SALE
GROUP PRESIDENT, COO
18,309$123.54$2.26M146,583Mar 21, 2025Mar 25, 2025 ↗View →
ROST
ROSS STORES, INC.
PURCHASEGRANT
Stock grant
12,647——115,696Mar 12, 2025Mar 14, 2025 ↗View →
ROST
ROSS STORES, INC.
PURCHASEGRANT
Stock grant
23,712——139,454Mar 12, 2025Mar 14, 2025 ↗View →
ROST
ROSS STORES, INC.
SALE10b5-1
10b5-1 plan
8,366$155.64$1.30M103,049Sep 16, 2024Sep 18, 2024 ↗View →
ROST
ROSS STORES, INC.
SALE
GROUP PRESIDENT, COO
8,595$155.25$1.33M111,415Sep 13, 2024Sep 17, 2024 ↗View →
ROST
ROSS STORES, INC.
SALE10b5-1
10b5-1 plan
19,014$146.39$2.78M119,962Mar 27, 2024Mar 29, 2024 ↗View →
ROST
ROSS STORES, INC.
PURCHASEGRANT
Stock grant
44,022——158,510Mar 22, 2024Mar 26, 2024 ↗View →
ROST
ROSS STORES, INC.
SALE
GROUP PRESIDENT, COO
19,534$145.37$2.84M138,976Mar 22, 2024Mar 26, 2024 ↗View →
ROST
ROSS STORES, INC.
SALE10b5-1
10b5-1 plan
21,056$145.14$3.06M114,488Mar 18, 2024Mar 20, 2024 ↗View →
ROST
ROSS STORES, INC.
PURCHASEGRANT
Stock grant
10,878——135,544Mar 13, 2024Mar 15, 2024 ↗View →
ROST
ROSS STORES, INC.
SALE
GROUP PRESIDENT, COO
3,603$118.17$425.8K124,611Sep 15, 2023Sep 19, 2023 ↗View →
ROST
ROSS STORES, INC.
SALE
GROUP PRESIDENT, COO
14,182$102.06$1.45M128,151Mar 17, 2023Mar 21, 2023 ↗View →
ROST
ROSS STORES, INC.
PURCHASEGRANT
Stock grant
14,674——142,333Mar 8, 2023Mar 10, 2023 ↗View →
ROST
ROSS STORES, INC.
SALE
GROUP PRESIDENT, COO
20,529$112.37$2.31M127,659Mar 6, 2023Mar 8, 2023 ↗View →
ROST
ROSS STORES, INC.
SALE
GROUP PRESIDENT, COO
2,402$90.25$216.8K148,119Sep 16, 2022Sep 20, 2022 ↗View →
ROST
ROSS STORES, INC.
SALE
Group President, COO
14,592$93.33$1.36M150,436Mar 18, 2022Mar 22, 2022 ↗View →
ROST
ROSS STORES, INC.
PURCHASEGRANT
Stock grant
30,275——165,028Mar 18, 2022Mar 22, 2022 ↗View →
ROST
ROSS STORES, INC.
PURCHASEGRANT
Stock grant
18,065——134,753Mar 9, 2022Mar 11, 2022 ↗View →
ROST
ROSS STORES, INC.
SALE
Group President, COO
2,625$119.22$312.9K116,575Mar 23, 2021Mar 25, 2021 ↗View →
ROST
ROSS STORES, INC.
PURCHASEGRANT
Stock grant
17,352——121,781Mar 19, 2021Mar 23, 2021 ↗View →
ROST
ROSS STORES, INC.
SALE
Group President, COO
2,581$121.31$313.1K119,200Mar 19, 2021Mar 23, 2021 ↗View →
ROST
ROSS STORES, INC.
SALE
Group President, COO
12,351$123.40$1.52M104,429Mar 16, 2021Mar 18, 2021 ↗View →
ROST
ROSS STORES, INC.
SALE
Group President, COO
12,460$123.26$1.54M116,780Mar 15, 2021Mar 16, 2021 ↗View →
ROST
ROSS STORES, INC.
SALE
Group President, COO
9,714$122.62$1.19M129,240Mar 12, 2021Mar 16, 2021 ↗View →
ROST
ROSS STORES, INC.
PURCHASEGRANT
Stock grant
12,339——138,954Mar 10, 2021Mar 12, 2021 ↗View →
ROST
ROSS STORES, INC.
PURCHASEGRANT
Stock grant
8,496——127,816Aug 24, 2020Aug 26, 2020 ↗View →
ROST
ROSS STORES, INC.
SALE
Group President, COO
1,263$89.31$112.8K126,553Aug 24, 2020Aug 26, 2020 ↗View →
ROST
ROSS STORES, INC.
SALE
Group President, COO
7,781$92.83$722.3K119,255Mar 13, 2020Mar 17, 2020 ↗View →
ROST
ROSS STORES, INC.
PURCHASEGRANT
Stock grant
15,220——127,036Mar 11, 2020Mar 13, 2020 ↗View →
Other insiders · ROST
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About this filer
CIK 0001598716
ROLE
Group President, COO
PRIMARY
ROST
COMPANIES
1
ACTIVE SINCE
Mar 2020
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