PRM Perimeter Solutions

NYSE
$31.21

Perimeter Solutions (PRM) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with PRM's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 2 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
7
35 transactions
Purchases
$0
0 shares
Sales
$435.2M
12,978,993 shares
Net activity
-$435.2M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $435.2M 35 transactions · 12,978,993 shares

Largest single sale: $79.0M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

No open-market insider purchase on record.

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Sell 1,875,000 $33.90 $63.6M 16,148,621 −10.4% of holding
WINDACRE PARTNERSHIP LLC 10% Owner Sell 1,875,000 $33.90 $63.6M 16,148,621 −10.4% of holding
Sell 437,500 $33.00 $14.4M 18,023,621 −2.4% of holding
WINDACRE PARTNERSHIP LLC 10% Owner Sell 437,500 $33.00 $14.4M 18,023,621 −2.4% of holding
5 fills Sell 3,393,479 $34.66 $117.6M 21,476,000 −13.6% of holding
WINDACRE PARTNERSHIP LLC 5 fills 10% Owner Sell 3,393,479 $34.66 $117.6M 21,476,000 −13.6% of holding
Khouri Haitham Chief Executive Officer Sell 117,511 $31.19 $3.7M 1,874,615 −5.9% of holding
Khouri Haitham Chief Executive Officer Sell 91,724 $31.91 $2.9M 1,992,126 −4.4% of holding
Khouri Haitham Chief Executive Officer Sell 20,300 $34.09 $692.0K 2,083,850 −1% of holding
Emery Jeffrey President - Global Fire Safety Sell 53,537 $33.45 $1.8M None left
Sable Kyle 2 fills Chief Financial Officer Sell 49,540 $33.09 $1.6M 3,277 −93.8% of holding
Sable Kyle Chief Financial Officer Sell 30,000 $31.75 $952.5K None left
Emery Jeffrey 2 fills President - Global Fire Safety Sell 99,963 $32.92 $3.3M 2,108 −97.9% of holding
Sable Kyle Chief Financial Officer Sell 20,460 $32.89 $672.9K None left
Sable Kyle Chief Financial Officer Sell 150,000 $31.52 $4.7M None left
Emery Jeffrey President - Global Fire Safety Sell 46,500 $32.00 $1.5M None left
Thorndike William N Jr Director Sell 100,000 $23.18 $2.3M 8,535,656 −1.2% of holding
Thorndike William N Jr Director Sell 100,000 $23.63 $2.4M 8,635,656 −1.1% of holding
Thorndike William N Jr 2 fills Director Sell 125,000 $23.37 $2.9M 8,770,613 −1.4% of holding
Thorndike William N Jr Director Sell 100,000 $23.63 $2.4M 8,860,656 −1.1% of holding
Thorndike William N Jr Director Sell 100,000 $24.06 $2.4M 8,960,656 −1.1% of holding
Thorndike William N Jr Director Sell 125,000 $24.26 $3.0M 9,060,656 −1.4% of holding
Yokozuka Noriko General Counsel Sell 137,500 $28.44 $3.9M 47,157 −74.5% of holding
Sable Kyle Chief Financial Officer Sell 100,000 $28.47 $2.8M None left

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.