MP MP Materials Corp.

NYSE
$49.38

MP Materials Corp. (MP) 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 In line Selling ran in line with MP's own trailing one-year pace, with 31% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 0 sellers in the last 90 days
Insiders buying
1
2 transactions
Insiders selling
3
32 transactions
Purchases
$1.5M
27,000 shares
Sales
$146.8M
2,271,419 shares
Net activity
-$145.3M
purchases less sales

How much of that selling was preplanned? 31% planned / 69% discretionary

10b5-1 plan sales $45.8M 10 transactions · 714,695 shares
Discretionary sales $101.0M 22 transactions · 1,556,724 shares

Largest single sale: $17.5M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: June 9, 2026 , by Rosenthal Michael Stuart .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Rosenthal Michael Stuart Chief Operating Officer Buy 10,000 $54.30 $543.0K 136,622
Litinsky James H. 3 fills Chairman and CEO Sell 185,167 $69.14 $12.8M 11,794,225 −1.5% of holding
Litinsky James H. 2 fills Chairman and CEO Sell 50,000 $64.58 $3.2M 11,854,015 −0.4% of holding
Litinsky James H. 5 fills Chairman and CEO Sell 234,651 $65.87 $15.5M 12,083,906 −1.9% of holding
Litinsky James H. 2 fills Chairman and CEO Sell 115,349 $65.37 $7.5M 12,182,852 −0.9% of holding
Rosenthal Michael Stuart Chief Operating Officer Buy 17,000 $56.62 $962.5K 1,333,673
Litinsky James H. 2 fills Chairman and CEO Sell 177,188 $65.13 $11.5M 12,289,194 −1.4% of holding
Litinsky James H. 2 fills Chairman and CEO Sell 122,812 $65.90 $8.1M 12,486,121 −1% of holding
Corbett Ryan Chief Financial Officer Sell 10b5-1 20,000 $75.00 $1.5M 109,017 −15.5% of holding
Hoops Elliot Dean General Counsel and Secretary Sell 10b5-1 6,958 $75.00 $521.9K 54,095 −11.4% of holding
Litinsky James H. Chairman and CEO Sell 10b5-1 259,179 $64.03 $16.6M 12,505,965 −2% of holding
Litinsky James H. Chairman and CEO Sell 10b5-1 40,821 $64.05 $2.6M 12,765,144 −0.3% of holding
Corbett Ryan Chief Financial Officer Sell 10b5-1 46,000 $60.00 $2.8M 129,017 −26.3% of holding
Hoops Elliot Dean General Counsel and Secretary Sell 10b5-1 13,914 $60.01 $835.0K 61,053 −18.6% of holding
Hoops Elliot Dean General Counsel and Secretary Sell 10b5-1 7,823 $68.21 $533.6K 74,967 −9.4% of holding
Litinsky James H. Chairman and CEO Sell 10b5-1 272,600 $64.17 $17.5M 12,805,965 −2.1% of holding
Litinsky James H. Chairman and CEO Sell 10b5-1 27,400 $64.01 $1.8M 13,078,565 −0.2% of holding
Corbett Ryan Chief Financial Officer Sell 38,146 $60.00 $2.3M 156,666 −19.6% of holding
Litinsky James H. 3 fills Chairman and CEO Sell 385,000 $62.94 $24.2M 13,215,404 −2.8% of holding
Litinsky James H. 2 fills Chairman and CEO Sell 248,411 $63.86 $15.9M 13,410,385 −1.8% of holding
Corbett Ryan Chief Financial Officer Sell 10b5-1 20,000 $57.72 $1.2M 194,812 −9.3% 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.