Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 7 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

7 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 4, 2025 NAUT P 20,000 $0.64 $12,800 74,140 Indirect +36.94% Acquired 206.2% (price as of 2026-10-02)
Aug. 15, 2022 NAUT P 7,500 $2.84 $21,300 54,140 Indirect +16.08% Acquired -31.0% (price as of 2026-10-02)
Aug. 12, 2022 NAUT P 2,500 $2.85 $7,125 46,640 Indirect +5.66% Acquired -31.2% (price as of 2026-10-02)
Aug. 13, 2021 NAUT P 5,000 $7.56 $37,800 34,140 Indirect +17.16% Acquired -74.1% (price as of 2026-10-02)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
March 2, 2026 NAUT Stock Option (Right to Buy) Common Stock (160,000) $2.32 March 2, 2036 160,000 Acquired
March 3, 2025 NAUT Stock Option (Right to Buy) Common Stock (160,000) $1.24 March 3, 2035 160,000 Acquired
March 1, 2024 NAUT Stock Option (Right to Buy) Common Stock (160,000) $2.72 March 1, 2034 160,000 Acquired
Feb. 27, 2023 NAUT Stock Option (Right to Buy) Common Stock (160,000) $2.00 Feb. 27, 2033 160,000 Acquired
Feb. 25, 2022 NAUT Stock Option (Right to Buy) Common Stock (140,000) $3.78 Feb. 25, 2032 140,000 Acquired
June 14, 2021 NAUT Stock Option (Right to Buy) Common Stock (326,526) $10.10 June 14, 2031 326,526 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
June 9, 2021 NAUT Common Stock 29,140 Indirect