Jeffrey K Tong
CIK 1479701 · View on SEC EDGAR ↗
First SEC filing: Oct. 24, 2024 · Latest: Oct. 24, 2024
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Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 26, 2026 | SEPN | A | 15,000 | — | — | 15,000 Direct | — | Acquired | (price as of 2026-08-21) |
| June 17, 2025 | SEPN | A | 16,623 | — | — | 16,623 Direct | — | Acquired | (price as of 2026-08-21) |
| May 6, 2021 | NRIX | A | 17,500 | — | — | 17,500 Direct | — | Acquired | (price as of 2026-08-21) |
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 26, 2026 | SEPN | Stock Option (Right to Buy) | Common Stock (15,000) | $37.34 | June 25, 2036 | 15,000 | Acquired |
| June 17, 2025 | SEPN | Stock Option (Right to Buy) | Common Stock (16,623) | $10.24 | June 16, 2035 | 16,623 | Acquired |
| May 6, 2021 | NRIX | Director Stock Option (right to buy) | Common Stock (17,500) | $27.38 | May 5, 2031 | 17,500 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 24, 2024 | SEPN | Stock Option (Right to Buy)→ Common Stock (13,356) | 13,356 | Direct |
| July 23, 2020 | NRIX | Director Stock Option (right to buy)→ Common Stock (18,333) | 18,333 | Direct |
| July 23, 2020 | NRIX | Series A-2 Preferred Stock→ Common Stock | — | Indirect |
| July 23, 2020 | NRIX | Series B Preferred Stock→ Common Stock | — | Indirect |
| July 23, 2020 | NRIX | Series D Preferred Stock→ Common Stock | — | Indirect |