Insider at

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Insider transactions

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2 buys (P) 0 sells (S) Net: $102,637 + 4 non-open-market transactions below Avg return of open purchases vs now: -54.3% 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

4 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 7, 2026 NSPR P 73,255 $1.15 $84,243 237,096 Direct +44.71% Acquired -54.3% (price as of 2026-10-06)
May 6, 2026 NSPR P 15,995 $1.15 $18,394 163,841 Direct +10.82% Acquired -54.3% (price as of 2026-10-06)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Jan. 7, 2025 NSPR Options to purchase common stock (right to buy) Common Stock (7,418) $2.71 Jan. 7, 2035 7,418 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

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Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Nov. 27, 2024 NSPR Common Stock 43,548 Direct
Nov. 27, 2024 NSPR Options to purchase common stock (right to buy)→ Common Stock (16,647) 16,647 Direct