Perimeter Solutions, S.A. (PRM) Insider Trading
Over the last 3 months, PRM insiders made 0 open-market buys and 19 sales, a net sale of -$217.5M (SEC Form 4). Over the last 6 months, 193 institutions increased and 191 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
19
Net (3m)
-$217.5M
Insider trades by month Buys Sells
Jul
Sep
Dec
Mar
May
Jun
Context3-month price +46%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 30, 2026 | WINDACRE PARTNERSHIP LLC10 percent owner | Sell | 378,600 | $36.22 |
| Jun 30, 2026 | WINDACRE PARTNERSHIP LLC10 percent owner | Sell | 1,875,000 | $33.90 |
| Jun 30, 2026 | WINDACRE PARTNERSHIP LLC10 percent owner | Sell | 437,500 | $33.00 |
| Jun 30, 2026 | WINDACRE PARTNERSHIP LLC10 percent owner | Sell | 548,479 | $34.51 |
| Jun 30, 2026 | WINDACRE PARTNERSHIP LLC10 percent owner | Sell | 20,000 | $36.25 |
| Jun 30, 2026 | WINDACRE PARTNERSHIP LLC10 percent owner | Sell | 2,296,400 | $34.40 |
| Jun 30, 2026 | WINDACRE PARTNERSHIP LLC10 percent owner | Sell | 150,000 | $34.98 |
| May 22, 2026 | Khouri Haithamdirector, officer: Chief Executive Officer | Sell | 117,511 | $31.19 |
| May 22, 2026 | Khouri Haithamdirector, officer: Chief Executive Officer | Sell | 91,724 | $31.91 |
| May 22, 2026 | Khouri Haithamdirector, officer: Chief Executive Officer | Sell | 20,300 | $34.09 |
| May 15, 2026 | Emery Jeffreyofficer: President - Global Fire Safety | Option | 53,537 | $8.36 |
| May 15, 2026 | Sable Kyleofficer: Chief Financial Officer | Sell | 46,263 | $33.05 |
| May 15, 2026 | Sable Kyleofficer: Chief Financial Officer | Sell | 3,277 | $33.59 |
| May 15, 2026 | Sable Kyleofficer: Chief Financial Officer | Option | 49,540 | $8.36 |
| May 15, 2026 | Emery Jeffreyofficer: President - Global Fire Safety | Sell | 53,537 | $33.45 |
| May 12, 2026 | Sable Kyleofficer: Chief Financial Officer | Sell | 20,460 | $32.89 |
| May 12, 2026 | Emery Jeffreyofficer: President - Global Fire Safety | Option | 46,500 | $8.36 |
| May 12, 2026 | Emery Jeffreyofficer: President - Global Fire Safety | Sell | 46,500 | $32.00 |
| May 12, 2026 | Emery Jeffreyofficer: President - Global Fire Safety | Option | 99,963 | $8.36 |
| May 12, 2026 | Emery Jeffreyofficer: President - Global Fire Safety | Sell | 97,855 | $32.90 |
| May 12, 2026 | Emery Jeffreyofficer: President - Global Fire Safety | Sell | 2,108 | $34.05 |
| May 12, 2026 | Sable Kyleofficer: Chief Financial Officer | Option | 20,000 | $3.89 |
| May 12, 2026 | Sable Kyleofficer: Chief Financial Officer | Option | 130,000 | $8.36 |
| May 12, 2026 | Sable Kyleofficer: Chief Financial Officer | Sell | 150,000 | $31.52 |
| May 12, 2026 | Sable Kyleofficer: Chief Financial Officer | Sell | 30,000 | $31.75 |
| May 12, 2026 | Sable Kyleofficer: Chief Financial Officer | Option | 30,000 | $8.36 |
| May 12, 2026 | Sable Kyleofficer: Chief Financial Officer | Option | 20,460 | $8.36 |
| Mar 11, 2026 | Thorndike William N Jrdirector | Sell | 34,957 | $23.85 |
| Mar 11, 2026 | Thorndike William N Jrdirector | Sell | 90,043 | $23.18 |
| Mar 11, 2026 | Thorndike William N Jrdirector | Sell | 100,000 | $23.63 |
Source: PRM SEC Form 4 filings, latest Jun 30, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their PRM positions over the last 6 months (SEC Form 13F).
Increased
193
New positions
130
Reduced
191
Sold out
64
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| WINDACRE PARTNERSHIP LLC | Unchanged | 21.9M | May 15, 2026 |
| WINDACRE PARTNERSHIP LLC | Unchanged | 21.9M | Feb 17, 2026 |
| PRINCIPAL FINANCIAL GROUP INC | Increased | 12.5M | May 4, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 12.4M | May 15, 2026 |
| PRINCIPAL FINANCIAL GROUP INC | Reduced | 10.9M | Feb 2, 2026 |
| BLACKROCK, INC. | Increased | 10.9M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 10.8M | May 13, 2026 |
| FMR LLC | Increased | 9.0M | May 15, 2026 |
| FMR LLC | Reduced | 8.8M | Feb 17, 2026 |
| VANGUARD GROUP INC | Increased | 8.6M | Jan 29, 2026 |
| JANUS HENDERSON GROUP PLC | Increased | 8.0M | May 18, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 4.8M | May 7, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 4.7M | Feb 12, 2026 |
| DF DENT & CO INC | Increased | 3.9M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 3.8M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.