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.

Insider signal Bearish Selling ran elevated versus 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
2
14 transactions
Purchases
$0
0 shares
Sales
$391.2M
11,411,958 shares
Net activity
-$391.2M
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 $391.2M 14 transactions · 11,411,958 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

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.