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Benjamin D. Duke

PII
PRESIDENT-MARINE · POLARIS INC. · CIK 0001926204
FILING MIX · LIFETIME52%/48%
BUYS
16
SELLS
15
TOTAL VALUE
$2.01M
COMPANIES
1
ACTIVE SINCE
May 2022
HOLDINGS NOW
40,036
AVG SELL PX
$72.69
TRADE KIND
SHOWING 31 / 31
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
2 backtested trades · 8 horizons · 6 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Benjamin D. Duke, 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
7d2+100.00%-0.60%-0.82%+0.22%+0.22%—
14d2+100.00%-6.77%+0.17%-6.94%-6.94%—
30d2+100.00%-24.45%-4.29%-20.16%-20.16%—
60d2+100.00%-17.27%-0.85%-16.43%-16.43%—
90d2+100.00%-3.04%+6.68%-9.72%-9.72%—
180d2(2 pending)——————
1y2(2 pending)——————
2y2(2 pending)——————
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
PII · 40,036 shares · as of Feb 11, 2026
016,17732,35348,53064,7062023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
FLOW · 16 buys / 15 sellsCOVERAGE · 16 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
PII
POLARIS INC.
SALE
President-Marine
9,794$66.80$654.2K30,242Feb 11, 2026Feb 12, 2026 ↗View →
PII
POLARIS INC.
SALE
President-Marine
296$67.40$20.0K40,036Feb 11, 2026Feb 12, 2026 ↗View →
PII
POLARIS INC.
SALE
President-Marine
2,644$67.70$179.0K40,332Feb 10, 2026Feb 12, 2026 ↗View →
PII
POLARIS INC.
SALE
President-Marine
1,054$63.84$67.3K42,976Feb 1, 2026Feb 4, 2026 ↗View →
PII
POLARIS INC.
PURCHASEGRANT
Stock grant
9,240$64.94$600.0K44,030Jan 28, 2026Jan 30, 2026 ↗View →
PII
POLARIS INC.
PURCHASEGRANT
Stock grant
34,345——34,345Jan 28, 2026Jan 30, 2026 ↗View →
PII
POLARIS INC.
SALE
President-Marine
265$33.92$9.0K34,790May 5, 2025May 7, 2025 ↗View →
PII
POLARIS INC.
SALE
President-Marine
140$46.25$6.5K35,055Feb 18, 2025Feb 20, 2025 ↗View →
PII
POLARIS INC.
SALE
President-Marine
47$48.78$2.3K35,195Jan 29, 2025Jan 31, 2025 ↗View →
PII
POLARIS INC.
PURCHASEGRANT
Stock grant
64,706——64,706Jan 29, 2025Jan 31, 2025 ↗View →
PII
POLARIS INC.
PURCHASEGRANT
Stock grant
134——35,242Jan 29, 2025Jan 31, 2025 ↗View →
PII
POLARIS INC.
PURCHASEGRANT
Stock grant
27,061——35,108Jan 29, 2025Jan 31, 2025 ↗View →
PII
POLARIS INC.
SALE
President-Marine
143$92.02$13.2K8,047Feb 19, 2024Feb 21, 2024 ↗View →
PII
POLARIS INC.
PURCHASEGRANT
Stock grant
18,874——18,874Jan 31, 2024Feb 2, 2024 ↗View →
PII
POLARIS INC.
SALE
President-Marine
70$89.96$6.3K8,190Jan 31, 2024Feb 2, 2024 ↗View →
PII
POLARIS INC.
PURCHASEGRANT
Stock grant
3,335——8,064Jan 31, 2024Feb 2, 2024 ↗View →
PII
POLARIS INC.
PURCHASEGRANT
Stock grant
196——8,260Jan 31, 2024Feb 2, 2024 ↗View →
PII
POLARIS INC.
SALE
President-Marine
454——227Jul 28, 2023Aug 1, 2023 ↗View →
PII
POLARIS INC.
PURCHASE
President-Marine
794$91.43$72.6K5,969Jul 28, 2023Aug 1, 2023 ↗View →
PII
POLARIS INC.
SALE
President-Marine
794——0Jul 28, 2023Aug 1, 2023 ↗View →
PII
POLARIS INC.
SALE
President-Marine
206——412Jul 28, 2023Aug 1, 2023 ↗View →
PII
POLARIS INC.
PURCHASE
President-Marine
206$124.58$25.7K4,721Jul 28, 2023Aug 1, 2023 ↗View →
PII
POLARIS INC.
PURCHASE
President-Marine
454$121.86$55.3K5,175Jul 28, 2023Aug 1, 2023 ↗View →
PII
POLARIS INC.
SALE
President-Marine
1,240$135.75$168.3K4,729Jul 28, 2023Aug 1, 2023 ↗View →
PII
POLARIS INC.
SALE
President-Marine
167$116.46$19.4K4,515Feb 21, 2023Feb 23, 2023 ↗View →
PII
POLARIS INC.
PURCHASEGRANT
Stock grant
11,479——11,479Feb 1, 2023Feb 3, 2023 ↗View →
PII
POLARIS INC.
PURCHASEGRANT
Stock grant
2,123——4,384Feb 1, 2023Feb 3, 2023 ↗View →
PII
POLARIS INC.
SALE
President-Marine
163$117.78$19.2K4,682Feb 1, 2023Feb 3, 2023 ↗View →
PII
POLARIS INC.
PURCHASEGRANT
Stock grant
461——4,845Feb 1, 2023Feb 3, 2023 ↗View →
PII
POLARIS INC.
PURCHASEGRANT
Stock grant
5,311——5,311May 5, 2022May 9, 2022 ↗View →
PII
POLARIS INC.
PURCHASEGRANT
Stock grant
901$104.15$93.8K2,261May 5, 2022May 9, 2022 ↗View →
Other insiders · PII
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About this filer
CIK 0001926204
ROLE
President-Marine
PRIMARY
PII
COMPANIES
1
ACTIVE SINCE
May 2022
MARKETPEEL · /INSIDER/0001926204DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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