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ST

Stephen S. Thompson

BYD
CHIEF ADMINISTRATIVE OFFICER · BOYD GAMING CORP · CIK 0001664330
FILING MIX · LIFETIME40%/60%
BUYS
21
SELLS
32
TOTAL VALUE
$21.25M
COMPANIES
1
ACTIVE SINCE
Jan 2020
HOLDINGS NOW
22,009
AVG SELL PX
$64.32
TRADE KIND
SHOWING 53 / 53
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
14 backtested trades · 8 horizons · 5 pending
Forward-return performance of every backtestable P/S trade by Stephen S. Thompson, 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
7d14+64.29%+0.14%+0.19%-0.05%-0.74%—
14d14+71.43%-1.29%-0.16%-1.13%-1.54%—
30d14+57.14%+0.75%+1.81%-1.06%-2.03%—
60d14+35.71%+2.19%+1.94%+0.26%+0.35%—
90d14+57.14%+0.17%+3.22%-2.81%-7.63%—
180d14(1 pending)+53.85%+4.98%+10.11%-5.13%-13.40%—
1y14(2 pending)+41.67%+5.57%+13.55%-7.98%-2.21%—
2y14(2 pending)+16.67%+17.27%+26.48%-9.21%-11.74%—
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
BYD · 22,009 shares · as of Feb 27, 2026
025,02850,05675,083100,111202120222023202420252026SHARES 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 · 21 buys / 32 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
BYD
BOYD GAMING CORP
SALE
Chief Administrative Officer
19,530$83.59$1.63M22,009Feb 27, 2026Mar 2, 2026 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
15,798——54,407Feb 22, 2026Feb 23, 2026 ↗View →
BYD
BOYD GAMING CORP
SALE
Chief Administrative Officer
12,868$86.20$1.11M41,539Feb 22, 2026Feb 23, 2026 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
1,375——1,375Jan 5, 2026Jan 7, 2026 ↗View →
BYD
BOYD GAMING CORP
SALE
Chief Administrative Officer
15,906$83.25$1.32M38,609Aug 1, 2025Aug 4, 2025 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
12,174——54,515Mar 3, 2025Mar 4, 2025 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
13,091——47,489Feb 21, 2025Feb 25, 2025 ↗View →
BYD
BOYD GAMING CORP
SALE
Chief Administrative Officer
5,148$76.86$395.7K42,341Feb 21, 2025Feb 25, 2025 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
1,608——1,608Jan 2, 2025Jan 6, 2025 ↗View →
BYD
BOYD GAMING CORP
SALE
Chief Administrative Officer
4,223$73.76$311.5K34,398Dec 16, 2024Dec 17, 2024 ↗View →
BYD
BOYD GAMING CORP
SALE
Chief Administrative Officer
20,000$63.59$1.27M38,621Mar 4, 2024Mar 5, 2024 ↗View →
BYD
BOYD GAMING CORP
SALE
Chief Administrative Officer
7,909$63.96$505.9K45,028Feb 28, 2024Mar 1, 2024 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
20,104——52,937Feb 28, 2024Mar 1, 2024 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
13,593——58,621Feb 28, 2024Mar 1, 2024 ↗View →
BYD
BOYD GAMING CORP
SALE
Chief Administrative Officer
2,028$63.37$128.5K32,833Feb 18, 2024Feb 20, 2024 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
1,716——1,716Jan 2, 2024Jan 4, 2024 ↗View →
BYD
BOYD GAMING CORP
SALE
Chief Administrative Officer
4,077$61.59$251.1K34,861Dec 18, 2023Dec 20, 2023 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
2,036$68.15$138.8K28,264Aug 2, 2023Aug 4, 2023 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
16,825$68.15$1.15M30,300Aug 1, 2023Aug 3, 2023 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
16,825$68.15$1.15M22,113Aug 1, 2023Aug 2, 2023 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
28,376$65.83$1.87M38,938Mar 3, 2023Mar 7, 2023 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
41,784——83,755Feb 24, 2023Feb 28, 2023 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
16,441$63.57$1.05M67,314Feb 24, 2023Feb 28, 2023 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
12,342——41,971Feb 22, 2023Feb 24, 2023 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
1,967$66.19$130.2K29,629Feb 21, 2023Feb 23, 2023 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
1,931——1,931Jan 19, 2023Jan 19, 2023 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
8,448$58.00$490.0K31,596Dec 7, 2022Dec 7, 2022 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
5,480$58.91$322.8K40,044Dec 5, 2022Dec 7, 2022 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
19,245$61.18$1.18M45,524May 3, 2022May 5, 2022 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
31,730——77,254Feb 28, 2022Mar 2, 2022 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
12,485$70.94$885.7K64,769Feb 28, 2022Mar 2, 2022 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
16,186$68.52$1.11M45,524Feb 25, 2022Mar 1, 2022 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
10,733——63,677Feb 18, 2022Feb 23, 2022 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
1,967$68.41$134.6K61,710Feb 18, 2022Feb 23, 2022 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
3,341$69.57$232.4K52,944Feb 14, 2022Feb 16, 2022 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
1,444——1,444Jan 3, 2022Jan 5, 2022 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
5,268$59.68$314.4K56,285Dec 6, 2021Dec 8, 2021 ↗View →
BYD
BOYD GAMING CORP
PURCHASE
Executive Vice President
11,962$17.75$212.3K73,515Aug 13, 2021Aug 17, 2021 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
11,962$60.12$719.1K61,553Aug 13, 2021Aug 17, 2021 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
11,962——0Aug 13, 2021Aug 17, 2021 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
16,209$61.54$997.5K61,553Mar 8, 2021Mar 10, 2021 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
5,000$60.48$302.4K85,949Mar 4, 2021Mar 5, 2021 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
8,187$60.47$495.1K77,762Mar 4, 2021Mar 5, 2021 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
4,629——92,770Mar 1, 2021Mar 3, 2021 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
1,821$62.12$113.1K90,949Mar 1, 2021Mar 3, 2021 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
10,363——73,141Feb 18, 2021Feb 22, 2021 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
15,000——88,141Feb 18, 2021Feb 22, 2021 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
2,226——2,226Jan 4, 2021Jan 6, 2021 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
27,427$38.61$1.06M62,778Dec 1, 2020Dec 3, 2020 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
3,643$31.50$114.8K90,205Nov 2, 2020Nov 4, 2020 ↗View →
BYD
BOYD GAMING CORP
SALE
Executive Vice President
6,263$26.63$166.8K93,848Feb 27, 2020Mar 2, 2020 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
15,922——100,111Feb 27, 2020Mar 2, 2020 ↗View →
BYD
BOYD GAMING CORP
PURCHASEGRANT
Stock grant
2,995——2,995Jan 2, 2020Jan 6, 2020 ↗View →
Other insiders · BYD
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About this filer
CIK 0001664330
ROLE
Chief Administrative Officer
PRIMARY
BYD
COMPANIES
1
ACTIVE SINCE
Jan 2020
MARKETPEEL · /INSIDER/0001664330DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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