Brian Piekos
CIK 1815308 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 19, 2021 · Latest: June 11, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 7 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
7 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 14, 2021 | IRON | P | 7,655 | $9.46 | $72,416 | 7,655 Direct | — | Acquired | -71.5% (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 |
|---|---|---|---|---|---|---|---|
| Feb. 1, 2024 | ELTX | Stock Option (right to buy) | Common Stock (43,225) | $4.50 | Feb. 1, 2034 | 43,225 | Acquired |
| June 1, 2023 | ELTX | Stock Option (right to buy) | Common Stock (75,484) | $10.00 | June 1, 2033 | 75,484 | Acquired |
| Jan. 13, 2022 | IRON | Restricted Stock Units | Common Stock (280,876) | — | — | 280,876 | Acquired |
| Oct. 18, 2021 | IRON | Restricted Stock Units | Common Stock (90,720) | — | — | 90,720 | Acquired |
| April 12, 2021 | IRON | Stock Option (Right to Buy) | Common Stock (377,734) | $12.59 | April 11, 2031 | 377,734 | 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 |
|---|---|---|---|---|
| Feb. 19, 2021 | IRON | Stock Option (Right to Buy)→ Common Stock (43,580) | 43,580 | Direct |