John B Ketchum
CIK 1991806 · View on SEC EDGAR ↗
Insider
First SEC filing: June 8, 2026 · Latest: June 8, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 8 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 5, 2026 | TNGX | A | 25,000 | — | — | 25,000 Direct | — | Acquired | (price as of 2026-08-20) |
| June 5, 2026 | TNGX | A | 4,000 | — | — | 24,937 Direct | +19.10% | Acquired | (price as of 2026-08-20) |
| June 5, 2025 | TNGX | A | 37,500 | — | — | 37,500 Direct | — | Acquired | (price as of 2026-08-20) |
| June 5, 2025 | TNGX | A | 6,250 | — | — | 20,937 Direct | +42.55% | Acquired | (price as of 2026-08-20) |
| June 5, 2024 | TNGX | A | 28,125 | — | — | 28,125 Direct | — | Acquired | (price as of 2026-08-20) |
| June 5, 2024 | TNGX | A | 4,687 | — | — | 14,687 Direct | +46.87% | Acquired | (price as of 2026-08-20) |
| Aug. 29, 2023 | TNGX | A | 60,000 | — | — | 60,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Aug. 29, 2023 | TNGX | A | 10,000 | — | — | 10,000 Direct | — | 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 5, 2026 | TNGX | Stock Option (Right to Buy) | Common Stock (25,000) | $20.22 | June 5, 2036 | 25,000 | Acquired |
| June 5, 2025 | TNGX | Stock Option (Right to Buy) | Common Stock (37,500) | $3.51 | June 5, 2035 | 37,500 | Acquired |
| June 5, 2024 | TNGX | Stock Option (Right to Buy) | Common Stock (28,125) | $7.41 | June 5, 2034 | 28,125 | Acquired |
| Aug. 29, 2023 | TNGX | Stock Option (Right to Buy) | Common Stock (60,000) | $7.19 | Aug. 29, 2033 | 60,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).