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Insider Trading Intelligence
BB

Bonnie Biumi

HZO
DIRECTOR · MARINEMAX INC · CIK 0001559438
FILING MIX · LIFETIME81%/19%
BUYS
22
SELLS
5
TOTAL VALUE
$1.16M
COMPANIES
3
ACTIVE SINCE
Jan 2021
HOLDINGS NOW
123,138
AVG SELL PX
$105.50
TRADE KIND
SHOWING 27 / 27
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
5 backtested trades · 8 horizons · 4 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Bonnie Biumi, 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
7d5+20.00%-0.99%-0.32%-0.68%+0.15%
14d5+20.00%-1.38%-0.03%-1.35%-1.60%
30d5+60.00%-2.07%-1.04%-1.03%-2.92%
60d5+60.00%-3.06%+0.69%-3.74%-5.97%
90d5+80.00%-3.77%+4.10%-7.86%-2.60%
180d5+100.00%+10.51%+11.33%-0.82%-5.19%
1y5(1 pending)+75.00%-15.08%+11.46%-26.54%-22.64%
2y5(3 pending)+50.00%-39.32%+1.05%-61.38%-61.38%
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
HZO · 6,309 shares · as of Nov 17, 2025
01,6583,3174,9756,6332025SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
FLOW · 22 buys / 5 sellsCOVERAGE · 21 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
CZR
CAESARS ENTERTAINMENT, INC.
PURCHASEGRANT
Stock grant
10,36943,149Jan 23, 2026Jan 27, 2026View →
HZO
MARINEMAX INC
PURCHASEGRANT
Stock grant
6,3096,309Nov 17, 2025Nov 18, 2025View →
HZO
MARINEMAX INC
PURCHASE
4,6336,633Nov 14, 2025Nov 18, 2025View →
HZO
MARINEMAX INC
SALE
4,6330Nov 14, 2025Nov 18, 2025View →
CZR
CAESARS ENTERTAINMENT, INC.
PURCHASE
1,000$18.69$18.7K32,780Oct 31, 2025Nov 3, 2025View →
KRG
KITE REALTY GROUP TRUST
PURCHASEGRANT
Stock grant
5,61173,680May 16, 2025May 20, 2025View →
HZO
MARINEMAX INC
PURCHASE
1,000$23.37$23.4K2,000Mar 11, 2025Mar 12, 2025View →
HZO
MARINEMAX INC
PURCHASE
1,000$26.50$26.5K1,000Feb 24, 2025Feb 25, 2025View →
CZR
CAESARS ENTERTAINMENT, INC.
PURCHASEGRANT
Stock grant
7,55231,780Jan 24, 2025Jan 28, 2025View →
HZO
MARINEMAX INC
PURCHASEGRANT
Stock grant
4,6334,633Nov 14, 2024Nov 18, 2024View →
HZO
MARINEMAX INC
PURCHASEGRANT
Stock grant
5,0005,000Sep 30, 2024Oct 1, 2024View →
CZR
CAESARS ENTERTAINMENT, INC.
PURCHASE
1,000$32.46$32.5K24,228May 31, 2024May 31, 2024View →
KRG
KITE REALTY GROUP TRUST
PURCHASEGRANT
Stock grant
6,23368,069May 30, 2024May 31, 2024View →
CZR
CAESARS ENTERTAINMENT, INC.
PURCHASEGRANT
Stock grant
5,46923,228Jan 26, 2024Jan 29, 2024View →
KRG
KITE REALTY GROUP TRUST
PURCHASEGRANT
Stock grant
6,30861,836May 10, 2023May 12, 2023View →
CZR
CAESARS ENTERTAINMENT, INC.
SALE
4,8810Jan 27, 2023Jan 31, 2023View →
CZR
CAESARS ENTERTAINMENT, INC.
PURCHASEGRANT
Stock grant
4,8814,881Jan 27, 2023Jan 31, 2023View →
CZR
CAESARS ENTERTAINMENT, INC.
PURCHASE
4,88117,759Jan 27, 2023Jan 31, 2023View →
KRG
KITE REALTY GROUP TRUST
PURCHASEGRANT
Stock grant
6,49455,528May 11, 2022May 13, 2022View →
CZR
CAESARS ENTERTAINMENT, INC.
PURCHASEGRANT
Stock grant
2,69512,878Jan 28, 2022Feb 1, 2022View →
CZR
CAESARS ENTERTAINMENT, INC.
PURCHASEGRANT
Stock grant
2,6952,695Jan 28, 2022Feb 1, 2022View →
CZR
CAESARS ENTERTAINMENT, INC.
SALE
2,6950Jan 28, 2022Feb 1, 2022View →
KRG
KITE REALTY GROUP TRUST
PURCHASEGRANT
Stock grant
3,35649,034Oct 22, 2021Oct 26, 2021View →
CZR
CAESARS ENTERTAINMENT, INC.
SALE
10,000$105.50$1.05M10,183May 24, 2021May 26, 2021View →
CZR
CAESARS ENTERTAINMENT, INC.
PURCHASE
2,93324,795Jan 29, 2021Feb 2, 2021View →
CZR
CAESARS ENTERTAINMENT, INC.
SALE
2,9330Jan 29, 2021Feb 2, 2021View →
CZR
CAESARS ENTERTAINMENT, INC.
PURCHASEGRANT
Stock grant
2,9332,933Jan 29, 2021Feb 2, 2021View →
Other insiders · HZO
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About this filer
CIK 0001559438
ROLE
Director
PRIMARY
HZO
COMPANIES
3
ACTIVE SINCE
Jan 2021
MARKETPEEL · /INSIDER/0001559438DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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