HENRY C.W. NISSER
CIK 1775938 · View on SEC EDGAR ↗
Insider
Activist
First SEC filing: June 14, 2021 · Latest: Oct. 7, 2025
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 2 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 |
|---|---|---|---|---|---|---|---|---|---|
| April 5, 2023 | RIME | A | 667 | — | — | 667 Direct | — | Acquired | (price as of 2026-08-21) |
| April 5, 2023 | RIME | A | 667 | — | — | 667 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 |
|---|---|---|---|---|---|---|---|
| April 5, 2023 | RIME | Stock Option (right to buy) [F1] | Common Stock (667) | $1.60 | April 4, 2033 | 667 | Acquired |
| April 5, 2023 | RIME | Stock Option (right to buy) [F1] | Common Stock (667) | $1.60 | April 4, 2033 | 667 | 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 14, 2021 | ALZN | Options→ Common Stock (1,250,000) | 1,250,000 | Direct |