Eric A Stookey
CIK 1391466 · View on SEC EDGAR ↗
Insider
First SEC filing: Oct. 14, 2014 · Latest: Oct. 14, 2014
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 3 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 |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 4, 2016 | SINT | A | 15,000 | — | — | 70,000 Direct | +27.27% | Acquired | (price as of 2026-08-20) |
| Jan. 7, 2015 | SINT | A | 15,000 | — | — | 55,000 Direct | +37.50% | Acquired | (price as of 2026-08-20) |
| Dec. 29, 2014 | SINT | A | 40,000 | — | — | 40,000 Direct | — | Acquired | (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| Jan. 4, 2016 | SINT | Stock Options | Common Shares (15,000) | $0.11 | Jan. 4, 2026 | 15,000 | Acquired |
| Jan. 7, 2015 | SINT | Stock Options | Common Stock (15,000) | $0.97 | Jan. 7, 2025 | 15,000 | Acquired |
| Dec. 29, 2014 | SINT | Stock Option | Common Stock (40,000) | $0.68 | Dec. 29, 2024 | 40,000 | 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 |
|---|---|---|---|---|
| Oct. 14, 2014 | SINT | No Securities are beneficially owned | 0 | Direct |