Charles M Baum
CIK 1579824 · View on SEC EDGAR ↗
First SEC filing: June 5, 2026 · Latest: June 5, 2026
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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 17, 2026 | ACRV | A | 20,275 | — | — | 20,275 Direct | — | Acquired | (price as of 2026-08-19) |
| June 4, 2026 | PMVP | A | 42,000 | $1.19 | $49,980 | — | — | — | 4.2% (price as of 2026-08-19) |
| May 18, 2026 | ACRV | A | 9,366 | — | — | 9,366 Direct | — | Acquired | (price as of 2026-08-19) |
| June 13, 2025 | ACRV | A | 20,275 | — | — | 20,275 Direct | — | Acquired | (price as of 2026-08-19) |
| June 20, 2024 | ACRV | A | 20,275 | — | — | 20,275 Direct | — | Acquired | (price as of 2026-08-19) |
| June 22, 2023 | ACRV | A | 32,500 | — | — | 32,500 Direct | — | Acquired | (price as of 2026-08-19) |
| June 8, 2023 | PMVP | A | 21,500 | — | — | 21,500 Direct | — | Acquired | (price as of 2026-08-19) |
| June 2, 2022 | PMVP | A | 19,500 | — | — | 19,500 Direct | — | Acquired | (price as of 2026-08-19) |
| June 2, 2021 | PMVP | A | 16,333 | — | — | 16,333 Direct | — | Acquired | (price as of 2026-08-19) |
| April 5, 2021 | PMVP | A | 32,677 | — | — | 32,677 Direct | — | Acquired | (price as of 2026-08-19) |
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 17, 2026 | ACRV | Stock Option (Right to Buy) | Common Stock (20,275) | $1.52 | June 16, 2036 | 20,275 | Acquired |
| June 13, 2025 | ACRV | Stock Option (Right to Buy) | Common Stock (20,275) | $1.20 | June 12, 2035 | 20,275 | Acquired |
| June 20, 2024 | ACRV | Stock Option (Right to Buy) | Common Stock (20,275) | $6.52 | June 19, 2034 | 20,275 | Acquired |
| June 22, 2023 | ACRV | Stock Option (Right to Buy) | Common Stock (32,500) | $12.88 | June 21, 2033 | 32,500 | Acquired |
| June 8, 2023 | PMVP | Stock Option (right to buy) | Common Stock (21,500) | $5.59 | June 8, 2023 | 21,500 | Acquired |
| June 2, 2022 | PMVP | Stock Option (right to buy) | Common Stock (19,500) | $13.56 | June 1, 2032 | 19,500 | Acquired |
| June 2, 2021 | PMVP | Stock Option (right to buy) | Common Stock (16,333) | $32.29 | June 1, 2031 | 16,333 | Acquired |
| April 5, 2021 | PMVP | Stock Option (right to buy) | Common Stock (32,677) | $34.11 | April 5, 2031 | 32,677 | 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 |
|---|---|---|---|---|
| Sept. 2, 2020 | TNGX | Common Stock | 40,600 | Direct |