Home›Stocks›SI

SI — structural market context

Shoulder Innovations, Inc.

Structural market context from public regulatory and market data, shown with its as-of dates. Descriptive only: nothing on this page is a recommendation, a prediction, or advice to buy or sell any security.

SI short interest & days to cover

SHARES SHORT
216K
% OF FLOAT
—
DAYS TO COVER
2.4
CHANGE VS PRIOR
+3.8%

FINRA consolidated short interest, reported twice a month and published ~2 weeks after each settlement date. % of float uses reported free float. · as of 2026-07-31 (19d ago)

SI fails-to-deliver (FTD)

Settlement dateFailed sharesPrice
2026-07-31 · 19d1K$23.19
2026-07-30 · 20d1K$23.72
2026-07-27 · 23d15$20.41

SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.

SI insider buying and selling (Form 4)

Last 12 months, open-market only: 0 purchases · 3 sales

InsiderTypeSharesValueFiled
Ahearn Matthew Fraser · director, officer: Chief Operating OfficerSell (S)8K$167K2026-08-18
Ahearn Matthew Fraser · director, officer: Chief Operating OfficerSell (S)13K$263K2026-08-18
Ahearn Matthew Fraser · director, officer: Chief Operating OfficerSell (S)2K$34K2026-08-18

SEC Form 4 filings, open-market purchases and sales only (codes P and S); grants and option exercises excluded. Attributed public records.

Frequently asked questions

Are insiders buying SI?
In the last 12 months of SEC Form 4 filings, SI recorded 0 open-market insider purchases and 3 open-market sales (codes P and S; grants and option exercises excluded). These are attributed public records — information, not instruction.
Is this page telling me to buy or sell SI?
No. Everything on this page is descriptive, structural market context from public data, shown with its as-of dates. TradeAI News does not issue directional recommendations, price predictions, or buy/sell advice — for any ticker.
All covered stocksShort Interest & FTD trackerInsider Buying trackerAnalyst Accuracy trackerThe platform

This is the teaser.

Latest rows shown. Full history, market-wide screens, cluster detection and the context journal live in the dashboard.

Start free →View plans →

Not financial advice. Trading involves risk. Descriptive structural context, never a recommendation.