Robert Paul Ostryniec
CIK 1483248 · View on SEC EDGAR ↗
Insider
First SEC filing: Sept. 4, 2015 · Latest: Sept. 4, 2015
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 2, 2015 | MZTI | P | 500 | $96.60 | $48,300 | 1,360 Direct | +58.14% | Acquired | 17.0% (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 |
|---|---|---|---|---|---|---|---|
| Nov. 20, 2025 | MZTI | Restricted Stock Units | Common Stock (786) | — | Nov. 11, 2026 | 786 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).