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Insider Trading Intelligence
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Prithvi Gandhi

TREX
SVP, CHIEF FINANCIAL OFFICER · TREX CO INC · CIK 0001791227
FILING MIX · LIFETIME73%/27%
BUYS
11
SELLS
4
TOTAL VALUE
$3.35M
COMPANIES
2
ACTIVE SINCE
Jan 2020
HOLDINGS NOW
127,299
AVG SELL PX
$60.33
TRADE KIND
SHOWING 15 / 15
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
2 backtested trades · 8 horizons · 2 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Prithvi Gandhi, 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+0.00%-15.07%-7.23%-7.85%-7.85%—
14d2+50.00%-11.99%-8.26%-3.74%-3.74%—
30d2+50.00%-1.54%+0.92%-2.46%-2.46%—
60d2+50.00%+12.62%+5.26%+7.36%+7.36%—
90d2+100.00%+30.88%+9.98%+20.91%+20.91%—
180d2+100.00%+29.97%+18.35%+11.63%+11.63%—
1y2(1 pending)+100.00%+77.10%+43.83%+33.27%+33.27%—
2y2(1 pending)+100.00%+93.21%+60.91%+32.30%+32.30%—
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
TREX · 76,454 shares · as of Feb 24, 2026
019,11438,22757,34176,4542026SHARES 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 / 4 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
TREX
TREX CO INC
PURCHASEGRANT
Stock grant
13,848$41.45$574.0K58,360Feb 24, 2026Feb 25, 2026 ↗View →
TREX
TREX CO INC
PURCHASEGRANT
Stock grant
13,848$41.45$574.0K44,512Feb 24, 2026Feb 25, 2026 ↗View →
TREX
TREX CO INC
PURCHASEGRANT
Stock grant
18,094$41.45$750.0K76,454Feb 24, 2026Feb 25, 2026 ↗View →
TREX
TREX CO INC
PURCHASE
SVP, Chief Financial Officer
15,000$31.92$478.8K30,664Nov 14, 2025Nov 17, 2025 ↗View →
TREX
TREX CO INC
PURCHASEGRANT
Stock grant
15,664$31.92$500.0K15,664Nov 6, 2025Nov 7, 2025 ↗View →
OC
OWENS CORNING
PURCHASEGRANT
Stock grant
27.896——50,845.149Aug 7, 2020Aug 11, 2020 ↗View →
OC
OWENS CORNING
SALE
Interim CFO
1,049$55.31$58.0K50,817.253Jul 10, 2020Jul 13, 2020 ↗View →
OC
OWENS CORNING
PURCHASEGRANT
Stock grant
52.632——51,866.253Apr 3, 2020Apr 7, 2020 ↗View →
OC
OWENS CORNING
PURCHASE
Interim CFO
5,000$46.90$234.5K51,813.621Mar 9, 2020Mar 10, 2020 ↗View →
OC
OWENS CORNING
SALE
Interim CFO
1,923$62.70$120.6K46,813.621Feb 6, 2020Feb 7, 2020 ↗View →
OC
OWENS CORNING
PURCHASEGRANT
Stock grant
6,242——45,286.621Feb 5, 2020Feb 7, 2020 ↗View →
OC
OWENS CORNING
PURCHASEGRANT
Stock grant
3,450——48,736.621Feb 5, 2020Feb 7, 2020 ↗View →
OC
OWENS CORNING
SALE
Interim CFO
681$61.29$41.7K39,044.621Feb 3, 2020Feb 5, 2020 ↗View →
OC
OWENS CORNING
SALE
Interim CFO
242$60.49$14.6K39,725.621Jan 31, 2020Feb 4, 2020 ↗View →
OC
OWENS CORNING
PURCHASEGRANT
Stock grant
22.218——39,967.621Jan 17, 2020Jan 21, 2020 ↗View →
Other insiders · TREX
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About this filer
CIK 0001791227
ROLE
SVP, Chief Financial Officer
PRIMARY
TREX
COMPANIES
2
ACTIVE SINCE
Jan 2020
MARKETPEEL · /INSIDER/0001791227DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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