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Equity

SI

NYSE

Shoulder Innovations, Inc.

$18.11 −1.55% vs prior close Finazon · prior-day close, indicative (IEX-derived, not the official close) · Oct 16, 2026

Reddit mentioned SI 679 times in the 30 days to 18 October 2026, across 8 of the communities we track. All of them were scored for sentiment: 51% read bullish, 11% bearish and 38% neither. Reddit data updated 18 October 2026.

Price · Chart
64 sessions
$25.0 $15.0 20 Jul 16 Oct

The line runs $20.89 on 20 July through $18.11 on 16 October, on a scale from $15.0 to $25.0. Days the market did not trade hold the previous close, flat.

Market cap $376.9M
P/E (TTM) 0.1
52-week range $11 – $24
Avg volume 4.3K
Mentions · 30d 679
Net sentiment +0.06

as of Oct 16, 2026

SI · crowd attention × price

Share ↗
679 mentions

Day18 Oct 2026

MENTIONS80–80 / day
PRICE$18.11 · closedMARKET CLOSED · held
MOOD80%BULLISH
SI over the last 30 days, plotting daily Reddit mentions as bars, left-hand scale; the daily closing price as a line on its own right-hand scale, solid across consecutive trading days, held flat and diagonally hatched over days the market was closed; the crowd's sentiment as a scattered ribbon against a dashed neutral rule — each point is the mix over the 7 days ending that day, above the rule more mentions bullish than bearish and below it the reverse — denser on days with more mentions.per day020406080% bull30%50%70%usd$16$18$20$2219 Sep26 Sep4 Oct11 Oct18 Oct
SI over the last 30 days, plotting daily Reddit mentions as bars, left-hand scale; the daily closing price as a line on its own right-hand scale, solid across consecutive trading days, held flat and diagonally hatched over days the market was closed; the crowd's sentiment as a scattered ribbon against a dashed neutral rule — each point is the mix over the 7 days ending that day, above the rule more mentions bullish than bearish and below it the reverse — denser on days with more mentions.50% BULL19 Sep4 Oct18 Oct
The Distributed Sentinel 18 Oct 2026

Reddit's mood on SI barely moved across this window — sentiment held between 78% bullish and 89% bullish on the 27 days we could measure

This chart in words

The chart plots daily Reddit mentions of SI over the 30 days to 18 October 2026: 679 in total, busiest on 30 September with 72, and 8 on the last day counted. The line is the daily close over the same window: $17.53 on 21 September, $18.11 on 16 October. Of those days, 20 were trading sessions and the other 10 are hatched on the chart. On 8 of them no session took place, and the last close before it is carried forward rather than plotted; on 2 of them no session took place, and this window holds no earlier close to carry forward. Sentiment — the bullish share of the mentions that took a side, where the chart's dashed rule marks the 50% at which bullish and bearish are even — ran from 78% bullish to 89% bullish over the 27 days that carried enough mentions to measure. 3 days either fell under the 5-mention floor or carried no bullish or bearish mention at all, and so carry no sentiment point.

Crowd sentiment on SI · 30d

n = 679 scored · Method
SI

51% bullish

Overall market sentiment

54% bullish

SI reads 3 points less bullish than overall market sentiment. Same measure; same 30-day window.

Where SI is discussed

(30d)
r/wallstreetbets 97% 660 +0.06
r/stocks 1% 9 +0.07
r/cryptocurrency <1% 2 +0.01
r/ausfinance <1% 2 +0.03
r/investing <1% 2 +0.12
r/options <1% 2 +0.04
r/commodities <1% 1 +0.16
r/asx_bets <1% 1 +0.12

Moves with SI

co-mention r · 31 obs

Tickers whose daily Reddit volume rose and fell with SI's. Co-discussion, not price.

How closely daily Reddit mention counts rose and fell together over the last 30 days (31 daily observations) · Method

What Reddit is saying about SI

The threads carrying the mentions · 30 days

Live discussion on Reddit, shown as posted. Titles link to the original threads.

SI insider trades

SEC Form 4 · last 90 days · newest reported trade 14 Sep 2026
Open-market buys 0
Open-market sells 3
Net sold $653K
Non-trade filings 6
Date Insider Type Shares Value
14 Sep 2026 Ball Robert Joseph CEO & Executive Chairman Sell 10,175 $188K
18 Aug 2026 Ahearn Matthew Fraser Chief Operating Officer Sell 14,186 $298K
17 Aug 2026 Ahearn Matthew Fraser Chief Operating Officer Sell 8,314 $167K

Compensation mechanics Share grants, option exercises, tax withholding and transfers. They reach the same Form 4 as a trade, but they are not the insider buying or selling on the open market, so no purchase or sale value applies to them.

Date Insider Type Shares Value
05 Oct 2026 BUCKMAN PAUL Director Award 1,275 $25K
05 Oct 2026 Hykes Andrew Director Award 669 $13K
05 Oct 2026 Tansey Casey M Director Award 733 $14K
05 Oct 2026 Sidow Kevin K. Director Award 892 $17K
14 Sep 2026 Ball Robert Joseph CEO & Executive Chairman Option exercise 89,233 $187K
14 Aug 2026 Ahearn Matthew Fraser Chief Operating Officer Gift 2,500

SI reported financials

SEC EDGAR XBRL SEC EDGAR

SI reported revenue of $47.3M for the fiscal year ended 31 Dec 2025. Net income over the same period was −$40.4M.

Figure Reported Period
Revenue $47.3M 31 Dec 2025 fiscal year
Net income −$40.4M 31 Dec 2025 fiscal year
Diluted EPS −$4.65 31 Dec 2025 fiscal year
Total assets $152.0M 30 Jun 2026 at period end
Total equity $124.3M 30 Jun 2026 at period end

SI earnings

SEC EDGAR
Date Period EPS Revenue
30 Jun 2026 Q2 2026 −$0.49 $17M
31 Mar 2026 Q1 2026 −$0.41 $17M
31 Dec 2025 FY 2025 −$4.65 $47M
30 Sep 2025 Q3 2025 −$0.64 $12M
30 Jun 2025 Q2 2025 −$165.53 $11M
31 Mar 2025 Q1 2026 −$52.13 $10M
31 Dec 2024 FY 2025 −$242.04 $32M
30 Sep 2024 Q3 2025 −$68.31 $7M

Next report no date announced in SEC filings yet

Reported figures & scheduled dates · SEC EDGAR filings

SI institutional holders

SEC Form 13F SEC EDGAR

4 of the 45 institutional funds we track reported a SI position for the quarter ended 30 Jun 2026 — a combined $2.4M; the latest of those filings landed 02 Sep 2026.

Fund Action Shares Value
Marshall Wace New position 38,667 $784K
Citadel Advisors Added +172.1% shares 36,795 $746K
Point72 Asset Management New position 22,920 $465K
AQR Capital Management New position 19,775 $401K

SI fails-to-deliver

SEC CNS data SEC

On 29 Sep 2026, 4,339 shares of SI failed to deliver (about $78K).

Settlement date Shares failed Notional % of shares out
29 Sep 2026 4,339 $78K 0.021%
22 Sep 2026 137 $2K 0.001%
16 Sep 2026 499 $9K 0.002%

Congressional trades in SI

STOCK Act disclosures House disclosures

The most recent congressional trade disclosed in SI is a sale by Sara Jacobs (house, CA), dated 08 Nov 2022.

Date Member Type Amount
08 Nov 2022 filed 12 Dec 2022 Sara Jacobs house · Democrat–CA Sale $1K–$15K
18 Jul 2022 filed 09 Sep 2022 Sara Jacobs house · Democrat–CA Purchase $1K–$15K

SI — frequently asked questions

From live data

How often is SI mentioned on Reddit?

SI was mentioned 109 times in the last 7 days across the finance subreddits we track, and 679 times over the trailing 30 days.

Is Reddit bullish or bearish on SI?

Across 679 classified SI mentions in the last 30 days, 51% read bullish, 11% bearish and 38% neutral. Crowd sentiment is a social signal, not investment advice.

When did SI last report earnings?

SHOULDER INNOVATIONS, INC. (SI) last reported earnings on 30 Jun 2026 for Q2 2026, per SEC filings.

Are SI insiders buying or selling?

SEC Form 4 filings over the last 90 days show 0 buys and 3 sells by SI insiders on the open market. A further 6 filings were grants, awards, gifts or exercises rather than open-market trades.

What exchange is SI listed on?

SHOULDER INNOVATIONS, INC. trades on NYSE under the ticker SI.

Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.

Sources

  1. Finazonprior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
  2. TradingViewthe price chart widget, drawn by TradingView from their own data
  3. RedditReddit ingest across the tracked finance subreddits
  4. SEC EDGARSEC EDGAR XBRL company facts · latest period ended 30 Jun 2026
  5. SEC EDGARSEC EDGAR 13F filings
  6. SECSEC fails-to-deliver (CNS) data
  7. House disclosuresU.S. House of Representatives financial disclosures
  8. SEC EDGARValuation computed from SEC EDGAR filings