Paul Stuka
CIK 1528577 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 30, 2011 · Latest: Aug. 30, 2011
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 14 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
14 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 9, 2015 | NSPR | P | 625,000 | — | — | 625,000 Indirect | — | Acquired | (price as of 2026-08-20) |
| March 9, 2015 | NSPR | P | 625,000 | — | — | 1,370,204 Indirect | +83.87% | Acquired | (price as of 2026-08-20) |
| April 16, 2013 | NSPR | P | 250,000 | $2.00 | $500,000 | 600,001 Indirect | +71.43% | Acquired | -100.0% (price as of 2026-08-20) |
| April 15, 2011 | NSPR | P | 83,333 | — | — | 83,333 Indirect | — | Acquired | (price as of 2026-08-20) |
| March 31, 2011 | NSPR | P | 83,333 | — | — | 83,333 Indirect | — | Acquired | (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 30, 2015 | NSPR | Option (right to buy) | Common Stock (55,338) | $0.28 | June 30, 2025 | 55,338 | Acquired |
| March 31, 2015 | NSPR | Option (right to buy) | Common Stock (48,905) | $0.32 | March 31, 2025 | 48,905 | Acquired |
| March 9, 2015 | NSPR | Warrants (right to buy) | Common Stock (625,000) | $0.55 | March 9, 2020 | 625,000 | Acquired |
| Jan. 26, 2015 | NSPR | Stock Options (right to buy) | Common Stock (54,088) | $0.72 | Jan. 26, 2025 | 54,088 | Acquired |
| Jan. 5, 2015 | NSPR | Options to Purchase Common Stock | Common Stock (46,367) | $0.78 | Jan. 5, 2025 | 46,367 | Acquired |
| Jan. 29, 2014 | NSPR | Options to Purchase Common Stock | Common Stock (50,000) | $3.10 | Jan. 29, 2024 | 50,000 | Acquired |
| May 9, 2013 | NSPR | Options to Purchase Common Stock | Common Stock (75,000) | $2.75 | May 9, 2023 | 75,000 | Acquired |
| June 18, 2012 | NSPR | Options to Purchase Common Stock [F3] | Common Stock (12,500) | $3.16 | June 18, 2022 | 12,500 | Acquired |
| Aug. 8, 2011 | NSPR | Options to Purchase Common Stock [F3] | Common Stock (25,000) | $7.80 | Aug. 8, 2021 | 25,000 | Acquired |
| April 15, 2011 | NSPR | Warrants [F3] | Common Stock (83,333) | $7.20 | April 15, 2016 | 83,333 | Acquired |
| March 31, 2011 | NSPR | Warrants [F3] | Common Stock (83,333) | $7.20 | March 31, 2016 | 83,333 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.