Insider at

04

Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 2 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.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
March 9, 2015 SINT F 38,458 $0.58 $22,306 77,331 Direct -33.21% Disposed -100.0% (price as of 2026-10-02)
March 9, 2015 SINT A 77,331 · · 77,331 Direct · Acquired (price as of 2026-10-02)

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.

Initial ownership (Form 3) 2 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Aug. 18, 2014 SINT Common Stock [F1] 115,789 Direct
Aug. 18, 2014 SINT Stock Options→ Common Stock · Direct