One insider buy in the last year — $2.60M in all.
Nothing in the last fortnight.
▸ hover a marker for the filing · drag to zoom · daily bars sharpen to 30-min on close ranges · 4 moves explained
Reverse-split 1×. When a company does a reverse split, the chart rewrites its old prices to look far bigger than they really were — so the high early prices here aren't what STFS ever actually traded at. The drop is real, but those huge old numbers aren't.
The filings, the score and the setup on this page, read for you in about ten seconds — what the insiders did, and what stands against it.
The buyers
▸ each insider's past open-market buys, measured ~6 months (120 trading days) later, against the S&P over the same spans · split-adjusted · pre-scheduled 10b5-1 plan trades excluded · past outcomes, not predictions
Chief Financial Officer
Zhang Pingting
Bought $2.60M on Jul 22 — 2,000,000 sh @ $1.30, held indirect, 98% of their stake.
Institutional stakes
▸ a holder crossing 5% files Schedule 13D if they intend to act on the company, 13G if they certify they will not · /A amends an earlier filing
2 filingsnewest first
The record
Context
The file stays open
3 filings on record.
The next one will be too.
▸ SEC EDGAR · FINRA · Nasdaq — public sources only · research, not advice