Insider · CIK 0001599383
Windacre Partnership LLC
Files at PRM (Perimeter Solutions, SA). First filing Jun 30, 2026, latest Jul 13, 2026.
In brief
Windacre Partnership LLC files SEC Form 4 as 10% owner at PRM (Perimeter Solutions, SA). Since Jun 30, 2026, Windacre Partnership LLC has reported 0 open-market buys worth $0 and 2 open-market sells worth $391M, the latest filed on Jul 13, 2026.
A track record needs three past buys with six months of prices behind them; Windacre Partnership LLC has 0, so none is measured yet.
The newest scored trade: sold $196M of PRM on Jun 26, 2026, filed Jul 13, 2026, scored 47 (moderate). In the last 12 months: 0 buys worth $0 and 2 sells worth $391M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
PRM: Perimeter Solutions, SA
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 47Moderate | PRMsell Perimeter Solutions, SA | $196M 5,705,979 shares | -26% | +147% from low-9% from high | |
| 47Moderate | PRMsell Perimeter Solutions, SA | $196M 5,705,979 shares | -26% | +147% from low-9% from high |
Transactions
Every row this insider has filed, 14 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 26, 2026 | PRM Perimeter Solutions, SA | SOpen-market sale Ordinary shares | -378,600 | $36.22 | $14M | 21,476,000 | Jul 13, 2026 |
| Jun 26, 2026 | PRM Perimeter Solutions, SA | SOpen-market sale Ordinary shares | -150,000 | $34.98 | $5.2M | 21,326,000 | Jul 13, 2026 |
| Jun 26, 2026 | PRM Perimeter Solutions, SA | SOpen-market sale Ordinary shares | -2,296,400 | $34.40 | $79M | 19,029,600 | Jul 13, 2026 |
| Jun 26, 2026 | PRM Perimeter Solutions, SA | SOpen-market sale Ordinary shares | -20,000 | $36.25 | $725k | 19,009,600 | Jul 13, 2026 |
| Jun 26, 2026 | PRM Perimeter Solutions, SA | SOpen-market sale Ordinary shares | -548,479 | $34.51 | $19M | 18,461,121 | Jul 13, 2026 |
| Jun 29, 2026 | PRM Perimeter Solutions, SA | SOpen-market sale Ordinary shares | -437,500 | $33.00 | $14M | 18,023,621 | Jul 13, 2026 |
| Jun 30, 2026 | PRM Perimeter Solutions, SA | SOpen-market sale Ordinary shares | -1,875,000 | $33.90 | $64M | 16,148,621 | Jul 13, 2026 |
| Jun 26, 2026 | PRM Perimeter Solutions, SA | SOpen-market sale Ordinary shares | -378,600 | $36.22 | $14M | 21,476,000 | Jun 30, 2026 |
| Jun 26, 2026 | PRM Perimeter Solutions, SA | SOpen-market sale Ordinary shares | -150,000 | $34.98 | $5.2M | 21,326,000 | Jun 30, 2026 |
| Jun 26, 2026 | PRM Perimeter Solutions, SA | SOpen-market sale Ordinary shares | -2,296,400 | $34.40 | $79M | 19,029,600 | Jun 30, 2026 |
| Jun 26, 2026 | PRM Perimeter Solutions, SA | SOpen-market sale Ordinary shares | -20,000 | $36.25 | $725k | 19,009,600 | Jun 30, 2026 |
| Jun 26, 2026 | PRM Perimeter Solutions, SA | SOpen-market sale Ordinary shares | -548,479 | $34.51 | $19M | 18,461,121 | Jun 30, 2026 |
| Jun 29, 2026 | PRM Perimeter Solutions, SA | SOpen-market sale Ordinary shares | -437,500 | $33.00 | $14M | 18,023,621 | Jun 30, 2026 |
| Jun 30, 2026 | PRM Perimeter Solutions, SA | SOpen-market sale Ordinary shares | -1,875,000 | $33.90 | $64M | 16,148,621 | Jun 30, 2026 |
Questions about Windacre Partnership LLC
Answered from the filings on this page, as of the latest one.
Is Windacre Partnership LLC buying or selling?
In the last 12 months Windacre Partnership LLC reported 0 open-market buys worth $0 and 2 open-market sells worth $391M on SEC Form 4; the latest was sold $196M of PRM on Jun 26, 2026. Grants, option exercises and tax withholding are not counted.
How did Windacre Partnership LLC's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Windacre Partnership LLC has 0.
Where does Windacre Partnership LLC file Form 4?
Windacre Partnership LLC has filed Form 4 at PRM (Perimeter Solutions, SA). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.