NSPR insider trading activity (SEC Form 4). Over the trailing 90 days, NSPR insiders filed 4 purchases totalling $148K and 1 sales totalling $190K — net SELLING of $42K. Most recent filing: May 29, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.
| Filed | Insider | Role | Type | Shares | Price | Value | |
|---|---|---|---|---|---|---|---|
| May 29, 2026 | Stuka Paul | P Purchase | — | $0.88 | $18K | filing | |
| May 15, 2026 | Stuka Paul | P Purchase | — | $1.16 | $17K | filing | |
| May 13, 2026 | Slosman Marvin | P Purchase | — | $1.20 | $25K | filing | |
| May 12, 2026 | Stuka Paul | P Purchase | — | $1.16 | $88K | filing | |
| May 21, 2026 | Gleason Shane Thomas | S Sale | — | $2.22 | $190K | filing |