Perimeter Solutions, Inc. insider trading
PRM$27.45+0.25 (+0.92%)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+25.3%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ1 '25Q2 '25Q3 '25Q4 '25Q1 '26Q2 '26
Unlock quarterly net flowKey players
- TWThorndike William N. Jr.5.2146%
- HKHaitham Khouri1.1452%
- VRVivek Raj0.4139%
- HWHowley W. Nicholas0.3703%
- RSRobert S. Henderson0.2006%
- TBTracy Britt Cool0.153%
- EDEdward D. Goldberg0.1362%
- BGBernt G. Iversen II0.0775%
- SPSean P. Hennessy0.0611%
- NYNoriko Yokozuka0.0288%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| PRM | Windacre Partnership LLC | Open market sell$63.6M | -10.4% | $33.90 | $63.6M | Jun 30, 2026 | Jul 13, 2026 |
| PRM | Windacre Partnership LLC | Open market sell$63.6M | -10.4% | $33.90 | $63.6M | Jun 30, 2026 | Jun 30, 2026 |
| PRM | Windacre Partnership LLC | Open market sell$14.4M | -2.4% | $33.00 | $14.4M | Jun 29, 2026 | Jul 13, 2026 |
| PRM | Windacre Partnership LLC | Open market sell$14.4M | -2.4% | $33.00 | $14.4M | Jun 29, 2026 | Jun 30, 2026 |
| PRM | Windacre Partnership LLC | Open market sell$18.9M | -2.9% | $34.51 | $18.9M | Jun 26, 2026 | Jul 13, 2026 |
| PRM | Windacre Partnership LLC | Open market sell$725K | -0.1% | $36.25 | $725K | Jun 26, 2026 | Jul 13, 2026 |
| PRM | Windacre Partnership LLC | Open market sell$79M | -10.8% | $34.40 | $79M | Jun 26, 2026 | Jul 13, 2026 |
| PRM | Windacre Partnership LLC | Open market sell$5.25M | -0.7% | $34.98 | $5.25M | Jun 26, 2026 | Jul 13, 2026 |
| PRM | Windacre Partnership LLC | Open market sell$13.7M | -1.7% | $36.22 | $13.7M | Jun 26, 2026 | Jul 13, 2026 |
| PRM | Windacre Partnership LLC | Open market sell$18.9M | -2.9% | $34.51 | $18.9M | Jun 26, 2026 | Jun 30, 2026 |
| PRM | Windacre Partnership LLC | Open market sell$725K | -0.1% | $36.25 | $725K | Jun 26, 2026 | Jun 30, 2026 |
| PRM | Windacre Partnership LLC | Open market sell$79M | -10.8% | $34.40 | $79M | Jun 26, 2026 | Jun 30, 2026 |
| PRM | Windacre Partnership LLC | Open market sell$5.25M | -0.7% | $34.98 | $5.25M | Jun 26, 2026 | Jun 30, 2026 |
| PRM | Windacre Partnership LLC | Open market sell$13.7M | -1.7% | $36.22 | $13.7M | Jun 26, 2026 | Jun 30, 2026 |
| PRM | Haitham Khouri | Open market sell$3.67M | -5.9% | $31.19 | $3.67M | May 22, 2026 | May 22, 2026 |
| PRM | Haitham Khouri | Open market sell$2.93M | -4.4% | $31.91 | $2.93M | May 21, 2026 | May 22, 2026 |
| PRM | Haitham Khouri | Open market sell$692K | -1.0% | $34.09 | $692K | May 20, 2026 | May 22, 2026 |
| PRM | Thorndike William N. Jr. | Open market sell$2.32M | -1.2% | $23.18 | $2.32M | Mar 11, 2026 | Mar 11, 2026 |
| PRM | Thorndike William N. Jr. | Open market sell$2.36M | -1.1% | $23.63 | $2.36M | Mar 10, 2026 | Mar 11, 2026 |
| PRM | Thorndike William N. Jr. | Open market sell$834K | -0.4% | $23.85 | $834K | Mar 9, 2026 | Mar 11, 2026 |
| PRM | Thorndike William N. Jr. | Open market sell$2.09M | -1.0% | $23.18 | $2.09M | Mar 9, 2026 | Mar 11, 2026 |
| PRM | Thorndike William N. Jr. | Open market sell$2.36M | -1.1% | $23.63 | $2.36M | Mar 6, 2026 | Mar 6, 2026 |
| PRM | Thorndike William N. Jr. | Open market sell$2.41M | -1.1% | $24.06 | $2.41M | Mar 5, 2026 | Mar 6, 2026 |
| PRM | Thorndike William N. Jr. | Open market sell$3.03M | -1.4% | $24.26 | $3.03M | Mar 4, 2026 | Mar 6, 2026 |