Subramanian Sankar
Insider
First SEC filing: June 9, 2021 · Latest: June 9, 2021
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 2, 2026 | NAUT | A | 160,000 | · | · | 160,000 Direct | · | Acquired | (price as of 2026-10-06) |
| March 3, 2025 | NAUT | A | 160,000 | · | · | 160,000 Direct | · | Acquired | (price as of 2026-10-06) |
| March 1, 2024 | NAUT | A | 160,000 | · | · | 160,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 27, 2023 | NAUT | A | 160,000 | · | · | 160,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 27, 2022 | NAUT | P | 5,000 | $2.03 | $10,150 | 91,250 Direct | +5.80% | Acquired | -4.9% (price as of 2026-10-06) |
| Sept. 26, 2022 | NAUT | P | 10,000 | $2.02 | $20,200 | 86,250 Direct | +13.11% | Acquired | -4.5% (price as of 2026-10-06) |
| Sept. 16, 2022 | NAUT | P | 35,000 | $2.16 | $75,600 | 75,000 Direct | +87.50% | Acquired | -10.6% (price as of 2026-10-06) |
| Sept. 15, 2022 | NAUT | P | 40,000 | $2.19 | $87,600 | 40,000 Direct | · | Acquired | -11.9% (price as of 2026-10-06) |
| Feb. 25, 2022 | NAUT | A | 140,000 | · | · | 140,000 Direct | · | Acquired | (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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| March 2, 2026 | NAUT | Stock Option (Right to Buy) | Common Stock | $2.32 | March 2, 2036 | 160,000 | Acquired |
| March 3, 2025 | NAUT | Stock Option (Right to Buy) | Common Stock | $1.24 | March 3, 2035 | 160,000 | Acquired |
| March 1, 2024 | NAUT | Stock Option (Right to Buy) | Common Stock | $2.72 | March 1, 2034 | 160,000 | Acquired |
| Feb. 27, 2023 | NAUT | Stock Option (Right to Buy) | Common Stock | $2.00 | Feb. 27, 2033 | 160,000 | Acquired |
| Feb. 25, 2022 | NAUT | Stock Option (Right to Buy) | Common Stock | $3.78 | Feb. 25, 2032 | 140,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 9, 2021 | NAUT | Stock Option (Right to Buy) | 725,614 | Direct |