Arthur Karl Kipke
CIK 1599635 · View on SEC EDGAR ↗
First SEC filing: Feb. 12, 2014 · Latest: Feb. 12, 2014
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Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 12, 2014 | SINT | J | 1,303,347 | — | — | 1,250 Direct | -99.90% | Disposed | (price as of 2026-08-21) |
| Aug. 12, 2014 | SINT | J | 25,915 | — | — | 0 Indirect | -100.00% | Disposed | (price as of 2026-08-21) |
| Feb. 19, 2014 | SINT | J | 115,656 | — | — | 115,656 Indirect | -50.00% | Disposed | (price as of 2026-08-21) |
| Feb. 19, 2014 | SINT | C | 5,000,000 | — | — | 0 Indirect | -100.00% | Disposed | (price as of 2026-08-21) |
| Feb. 19, 2014 | SINT | C | 319,542 | — | — | 0 Indirect | -100.00% | Disposed | (price as of 2026-08-21) |
| Feb. 19, 2014 | SINT | C | 181,000 | — | — | 0 Indirect | -100.00% | Disposed | (price as of 2026-08-21) |
| Feb. 19, 2014 | SINT | C | 2,290,600 | — | — | 0 Indirect | -100.00% | Disposed | (price as of 2026-08-21) |
| Feb. 19, 2014 | SINT | C | 335,100 | — | — | 0 Indirect | -100.00% | Disposed | (price as of 2026-08-21) |
| Feb. 19, 2014 | SINT | C | 1,250,000 | — | — | 1,303,347 Indirect | +2343.15% | Acquired | (price as of 2026-08-21) |
| Feb. 19, 2014 | SINT | C | 25,915 | — | — | 25,915 Indirect | — | Acquired | (price as of 2026-08-21) |
| Feb. 19, 2014 | SINT | C | 115,656 | — | — | 115,656 Indirect | — | Acquired | (price as of 2026-08-21) |
| Feb. 19, 2014 | SINT | C | 16,914 | — | — | 16,914 Indirect | — | 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 |
|---|---|---|---|---|---|---|---|
| Feb. 19, 2014 | SINT | Series F Preferred Stock | Common Stock | — | — | 5,000,000 | Disposed |
| Feb. 19, 2014 | SINT | Series E Preferred Stock | Common Stock | — | — | 319,542 | Disposed |
| Feb. 19, 2014 | SINT | Series D-1 Preferred Stock | Common Stock | — | — | 181,000 | Disposed |
| Feb. 19, 2014 | SINT | Series D Preferred Stock | Common Stock | — | — | 2,290,600 | Disposed |
| Feb. 19, 2014 | SINT | Series D Preferred Stock | Common Stock | — | — | 335,100 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 9 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 12, 2014 | SINT | Common Stock | 53,347 | Indirect |
| Feb. 12, 2014 | SINT | Warrant to Purchase Shares of Common Stock→ Common Stock | — | Direct |
| Feb. 12, 2014 | SINT | Warrant to Purchase Shares of Common Stock→ Common Stock | — | Indirect |
| Feb. 12, 2014 | SINT | Warrant to Purchase Shares of Series E Convertible Preferred→ Common Stock | — | Direct |
| Feb. 12, 2014 | SINT | Series D Convertible Preferred Stock→ Common Stock | — | Indirect |
| Feb. 12, 2014 | SINT | Series D Convertible Preferred Stock→ Common Stock | — | Indirect |
| Feb. 12, 2014 | SINT | Series D-1 Convertible Preferred Stock→ Common Stock | — | Indirect |
| Feb. 12, 2014 | SINT | Series E Convertible Preferred Stock→ Common Stock | — | Indirect |
| Feb. 12, 2014 | SINT | Series F Convertible Preferred Stock→ Common Stock | — | Indirect |