NPKI · Insider trading · 13F holders · Congress trades
NPK International Inc. (NPKI)
Who is buying and selling NPKI: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 12
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $204K
- Congress trades, 12 months
- 0
NPKI at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 3 NPKI insiders filed 3 sales worth $204K on SEC Form 4, and no open-market purchases; 3 of the sales were pre-planned under Rule 10b5-1.
- 12 13F filers hold NPKI among their 50 largest positions, worth $99.7M combined, including Ran Zhou. The biggest bets by portfolio weight are Paragon Associates & Paragon Associates II Joint Venture (7.4%), First Sabrepoint Capital Management LP (4.1%) and Cannell Capital LLC (4.0%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
- No member of Congress has disclosed a trade in NPKI.
- NPKI last closed at $11.20 on Oct 29, 2026.
NPKI insider trading
Between Aug 1, 2026 and Oct 29, 2026, 3 NPKI insiders filed 3 sales worth $204K on SEC Form 4, and no open-market purchases; 3 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 10, 2026 | Warren Matthew James | Chief Accounting Officer | Sale10b5-1 | 2,991 | $13.41 | $40K | SEC |
| Aug 31, 2026 | Robeson Rose M | Director | Sale10b5-1 | 10,000 | $13.49 | $135K | SEC |
| Aug 19, 2026 | Lewis Michael A | Director | Sale10b5-1 | 2,013 | $14.26 | $29K | SEC |
Who owns NPKI? Hedge funds and superinvestors
12 13F filers hold NPKI among their 50 largest positions, worth $99.7M combined, including Ran Zhou. The biggest bets by portfolio weight are Paragon Associates & Paragon Associates II Joint Venture (7.4%), First Sabrepoint Capital Management LP (4.1%) and Cannell Capital LLC (4.0%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
Superinvestors holding NPKI: Ran Zhou 0.7%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Punch & Associates Investment Management, Inc.Wealth manager | 1.4% | $27.7M | 1,738,857 | -4.4% shares | Q2 2026 |
| Ran ZhouHedge fund | 0.7% | $18.6M | 1,169,304 | +6.3% shares | Q2 2026 |
| Tieton Capital Management, LLCAsset manager | 3.8% | $13.1M | 820,845 | -1.8% shares | Q2 2026 |
| First Sabrepoint Capital Management LPHedge fund | 4.1% | $9.5M | 600,000 | +9.1% shares | Q2 2026 |
| Uniplan Investment Counsel, Inc.Wealth manager | 0.8% | $8.7M | 544,278 | +3.1% shares | Q2 2026 |
| Cannell Capital LLCHedge fund | 4.0% | $5.7M | 359,882 | -45.0% shares | Q2 2026 |
| Paragon Associates & Paragon Associates II Joint VentureVenture capital | 7.4% | $5.4M | 375,000 | -6.3% shares | Q1 2026 |
| Marathon Capital ManagementWealth manager | 0.8% | $3.9M | 341,345 | -0.8% shares | Q3 2026 |
| Riverwater Partners LLCWealth manager | 0.9% | $3.0M | 191,096 | +23.2% shares | Q2 2026 |
| Ironwood Investment Management LLCWealth manager | 0.8% | $2.2M | 140,567 | -0.0% shares | Q2 2026 |
| Crown Advisors Management, Inc.Hedge fund | 0.9% | $1.6M | 100,000 | +0.0% shares | Q2 2026 |
| BRC Group Holdings, Inc.Investment manager | 0.1% | $230K | 14,431 | New | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 10, Q1 2026: 1). Screen NPKI in the grand portfolio →
NPKI stock trades by members of Congress
No member of Congress has disclosed a trade in NPKI.
NPKI questions and answers
Are insiders buying NPKI stock?
Between Aug 1, 2026 and Oct 29, 2026, 3 NPKI insiders filed 3 sales worth $204K on SEC Form 4, and no open-market purchases; 3 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own NPKI?
12 13F filers hold NPKI among their 50 largest positions, worth $99.7M combined, including Ran Zhou. The biggest bets by portfolio weight are Paragon Associates & Paragon Associates II Joint Venture (7.4%), First Sabrepoint Capital Management LP (4.1%) and Cannell Capital LLC (4.0%). In their latest 13Fs, 1 manager opened a new position and 3 added to one.
Has Congress traded NPKI?
No member of Congress has disclosed a trade in NPKI.
Who is the largest holder of NPKI?
Among 13F filers, Punch & Associates Investment Management, Inc. reports the largest NPKI position, $27.7M (1,738,857 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Paragon Associates & Paragon Associates II Joint Venture's: 7.4% of its portfolio.
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