Marc Mazur
CIK 1361226 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 14, 2022 · Latest: June 12, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 12 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
12 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 14, 2017 | NSLRL | P | 6,000 | $4.45 | $26,700 | 6,000 Direct | — | Acquired | 466.7% (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 14, 2023 | CELU | Stock Option (Right to Buy) | Class A Common Stock (277,778) | $0.75 | June 14, 2033 | 277,778 | Acquired |
| July 13, 2022 | CELU | Stock Option (Right to Buy) | Class A Common Stock (54,152) | $4.15 | July 13, 2032 | 54,152 | Acquired |
| Sept. 9, 2021 | CELU | Stock Option (Right to Buy) | Class A Common Stock (56,053) | $6.72 | Sept. 9, 2031 | 56,053 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).