Compare · NPKI vs SEI
NPKI vs SEI
Side-by-side comparison of NPK International Inc. (NPKI) and Solaris Energy Infrastructure Inc. (SEI): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both NPKI and SEI operate in Oil and Gas Field Machinery (Consumer Discretionary), so they compete in similar markets.
- SEI is the larger of the two at $5.31B, about 4.2x NPKI ($1.26B).
- Over the past year, NPKI is up 77.7% and SEI is up 147.8% - SEI leads by 70.1 points.
- NPKI has been more active in the news (17 items in the past 4 weeks vs 2 for SEI).
- SEI has more recent analyst coverage (11 ratings vs 1 for NPKI).
PerformanceNPKI+77.70%SEI+147.82%
2025-06-09+0.00%2026-06-08
- Company
- NPK International Inc.
- Solaris Energy Infrastructure Inc.
- Price
- $14.87+4.17%
- $72.14+3.93%
- Market cap
- $1.26B
- $5.31B
- 1M return
- -3.60%
- -1.31%
- 1Y return
- +77.70%
- +147.82%
- Industry
- Oil and Gas Field Machinery
- Oil and Gas Field Machinery
- Exchange
- NYSE
- NYSE
- IPO
- 2017
- News (4w)
- 17
- 2
- Recent ratings
- 1
- 11
Latest NPKI
- President & CEO Lanigan Matthew sold $2,415,907 worth of shares (167,375 units at $14.43) as part of a pre-agreed trading plan, decreasing direct ownership by 40% to 254,699 units (SEC Form 4)
- VP, General Counsel Fruge Mary Celeste covered exercise/tax liability with 15,848 shares and converted options into 17,274 shares, increasing direct ownership by 0.50% to 284,641 units (SEC Form 4) to cover taxes
- President & CEO Lanigan Matthew covered exercise/tax liability with 89,549 shares and converted options into 100,188 shares, increasing direct ownership by 3% to 422,074 units (SEC Form 4) to satisfy withholding tax
- Senior Vice President and CFO Piontek Gregg covered exercise/tax liability with 36,089 shares and converted options into 40,379 shares, increasing direct ownership by 0.50% to 858,182 units (SEC Form 4) (tax withholding)
- VP & President, Ind. Solutions Briggs Lori covered exercise/tax liability with 21,755 shares, converted options into 24,340 shares and sold $152,278 worth of shares (10,446 units at $14.58) as part of a pre-agreed trading plan, decreasing direct ownership by 3% to 255,490 units (SEC Form 4) (withholding obligation)
- Director Robeson Rose M was granted 10,862 shares, increasing direct ownership by 5% to 225,147 units (SEC Form 4)
- Director Minge John C was granted 8,558 shares, increasing direct ownership by 3% to 253,942 units (SEC Form 4)
- Director Meer Claudia Michel was granted 8,558 shares, increasing direct ownership by 7% to 126,693 units (SEC Form 4)
- Director Lewis Michael A was granted 8,558 shares, increasing direct ownership by 7% to 137,878 units (SEC Form 4)
- Director Larson Roderick A. was granted 8,558 shares, increasing direct ownership by 57% to 23,655 units (SEC Form 4)
Latest SEI
- Chief Accounting Officer Wirtz Christopher P. covered exercise/tax liability with 1,303 shares, decreasing direct ownership by 4% to 34,782 units (SEC Form 4) (withholding tax)
- SEC Form 8-K filed by Solaris Energy Infrastructure Inc.
- Amendment: SEC Form SCHEDULE 13G/A filed by Solaris Energy Infrastructure Inc.
- Director Argo Laurie H sold $378,976 worth of shares (5,200 units at $72.88), decreasing direct ownership by 10% to 44,839 units (SEC Form 4)
- Chief Accounting Officer Wirtz Christopher P. sold $54,054 worth of shares (700 units at $77.22), decreasing direct ownership by 2% to 36,085 units (SEC Form 4)
- Solaris Energy Infrastructure Announces Completion of $2 Billion Financing and Expansion of Existing Power Contract
- Solaris Energy Infrastructure Inc. filed SEC Form 8-K: Entry into a Material Definitive Agreement
- Chief Legal Officer Powell Christopher M sold $2,750,444 worth of shares (36,852 units at $74.63), decreasing direct ownership by 24% to 114,117 units (SEC Form 4)
- Director Teague Aj bought $450,652 worth of shares (6,175 units at $72.98), increasing direct ownership by 3% to 109,890 units (SEC Form 4)
- Director Walker Ray N Jr sold $4,098,805 worth of shares (56,841 units at $72.11), decreasing direct ownership by 91% to 5,760 units (SEC Form 4)