MarketPeel
Insider Trading Intelligence
WL

Windacre Partnership Llc

PRM
10% OWNER · PERIMETER SOLUTIONS, INC. · CIK 0001599383
FILING MIX · LIFETIME57%/43%
BUYS
12
SELLS
9
TOTAL VALUE
$241.21M
COMPANIES
2
ACTIVE SINCE
Nov 2021
HOLDINGS NOW
21,912,821
AVG SELL PX
$32.89
TRADE KIND
SHOWING 21 / 21
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
14 backtested trades · 8 horizons · 2 pending
Forward-return performance of every backtestable P/S trade by Windacre Partnership Llc, 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%+1.72%+0.55%+1.17%+2.91%
14d14+64.29%+4.13%+1.98%+2.15%+6.73%
30d14+64.29%+12.24%+4.66%+7.58%+6.40%
60d14+64.29%+10.50%+0.63%+9.87%+14.20%
90d14+78.57%+13.43%+3.57%+9.85%+11.02%
180d14+28.57%+3.30%+1.23%+2.07%-8.53%
1y14+14.29%+7.09%+5.47%+1.62%-16.37%
2y14(2 pending)+8.33%-48.90%+31.51%-80.41%-69.73%
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
PRM · 16,148,621 shares · as of Jun 30, 2026
05,463,65010,927,30016,390,95021,854,60020222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 12 buys / 9 sellsCOVERAGE · 19 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
PRM
PERIMETER SOLUTIONS, INC.
SALE
1,875,000$33.90$63.56M16,148,621Jun 30, 2026Jun 30, 2026View →
PRM
PERIMETER SOLUTIONS, INC.
SALE
437,500$33.00$14.44M18,023,621Jun 29, 2026Jun 30, 2026View →
PRM
PERIMETER SOLUTIONS, INC.
SALE
378,600$36.22$13.71M21,476,000Jun 26, 2026Jun 30, 2026View →
PRM
PERIMETER SOLUTIONS, INC.
SALE
2,296,400$34.40$79.00M19,029,600Jun 26, 2026Jun 30, 2026View →
PRM
PERIMETER SOLUTIONS, INC.
SALE
150,000$34.98$5.25M21,326,000Jun 26, 2026Jun 30, 2026View →
PRM
PERIMETER SOLUTIONS, INC.
SALE
548,479$34.51$18.93M18,461,121Jun 26, 2026Jun 30, 2026View →
PRM
PERIMETER SOLUTIONS, INC.
SALE
20,000$36.25$725.0K19,009,600Jun 26, 2026Jun 30, 2026View →
PRM
PERIMETER SOLUTIONS, INC.
SALE
254,600$13.98$3.56M0Jun 27, 2025Jul 1, 2025View →
PRM
PERIMETER SOLUTIONS, INC.
PURCHASE
254,600$13.98$3.56M21,854,600Jun 27, 2025Jul 1, 2025View →
HLF
HERBALIFE LTD.
PURCHASE
205,000$17.56$3.60M5,399,200Nov 2, 2022Nov 3, 2022View →
HLF
HERBALIFE LTD.
SALE
205,000$17.56$3.60M9,778,500Nov 2, 2022Nov 3, 2022View →
HLF
HERBALIFE LTD.
PURCHASE
340,000$19.36$6.58M5,739,200Nov 2, 2022Nov 3, 2022View →
HLF
HERBALIFE LTD.
PURCHASE
25,000$20.31$507.8K5,764,200Nov 2, 2022Nov 3, 2022View →
HLF
HERBALIFE LTD.
PURCHASE
355,000$21.16$7.51M5,194,200Nov 1, 2022Nov 3, 2022View →
PRM
PERIMETER SOLUTIONS, INC.
PURCHASE
1,600,000$8.65$13.84M21,600,000May 9, 2022May 10, 2022View →
PRM
PERIMETER SOLUTIONS, INC.
PURCHASE
4,600$8.34$38.4K254,600May 9, 2022May 10, 2022View →
PRM
PERIMETER SOLUTIONS, INC.
PURCHASE
28,600$8.38$239.7K250,000May 6, 2022May 10, 2022View →
PRM
PERIMETER SOLUTIONS, INC.
PURCHASE
400$10.98$4.4K221,400Dec 3, 2021Dec 6, 2021View →
PRM
PERIMETER SOLUTIONS, INC.
PURCHASE
100,000$11.10$1.11M221,000Dec 2, 2021Dec 6, 2021View →
PRM
PERIMETER SOLUTIONS, INC.
PURCHASE
100,000$12.03$1.20M121,000Nov 10, 2021Nov 12, 2021View →
PRM
PERIMETER SOLUTIONS, INC.
PURCHASE
21,000$11.89$249.7K21,000Nov 9, 2021Nov 12, 2021View →
Other insiders · PRM
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About this filer
CIK 0001599383
ROLE
10% Owner
PRIMARY
PRM
COMPANIES
2
ACTIVE SINCE
Nov 2021
MARKETPEEL · /INSIDER/0001599383DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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