Stocks › SI
SHOULDER INNOVATIONS, INC.
SI·NYSE·
United States·USD
United States·USD$19.14
-0.46 (-2.35%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
SI
SHOULDER INNOVATIONS, INC. · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
SIS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of SI by members of U.S. Congress · 6 on record
| Politician | Stock | Type | Filed | Traded | |
|---|---|---|---|---|---|
 Christopher L. JacobsHouse · R · NY |
SISHOULDER INNOVATIONS, INC. · Stock |
Sale $1,001 - $15,000 |
Dec 12, 2022 | Nov 8, 2022 | Filing ↗ |
| Christopher L. JacobsHouse · R · NY |
SISHOULDER INNOVATIONS, INC. · Stock |
Purchase $1,001 - $15,000 |
Sep 9, 2022 | Jul 18, 2022 | Filing ↗ |
 Thomas R CarperSenate · D · DE |
SISHOULDER INNOVATIONS, INC. · Stock |
Purchase $1,001 - $15,000 |
Feb 3, 2022 | Jan 31, 2022 | Filing ↗ |
| Thomas R CarperSenate · D · DE |
SISHOULDER INNOVATIONS, INC. · Stock |
Purchase $1,001 - $15,000 |
May 17, 2021 | Nov 20, 2020 | Filing ↗ |
| Thomas R CarperSenate · D · DE |
SISHOULDER INNOVATIONS, INC. · Stock |
Purchase $1,001 - $15,000 |
Dec 2, 2020 | Nov 20, 2020 | Filing ↗ |
 Rubén HinojosaHouse · D · TX |
SISHOULDER INNOVATIONS, INC. · Stock |
Sale $1,001 - $15,000 |
Apr 15, 2015 | Sep 20, 2013 | Filing ↗ |
Whale Activity
Position changes in SI reported for 2026-06-30 by 6 tracked institutional filers
- Increased3
- New1
- Held0
- Decreased1
- Closed1
- No prior filing0
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 638.4K | $12.9M | increased |
| VANGUARD CAPITAL MANAGEMENT LLC | 392.2K | $8.0M | decreased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 70.3K | $1.4M | increased |
| CITADEL ADVISORS LLC | 36.8K | $746K | increased |
| Point72 Asset Management, L.P. | 22.9K | $465K | new |
| Millennium Management LLC | 0 | $0 | closed |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by SI insiders, by quarter · Form 4
Recent Insider Transactions
502 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Ball Robert JosephCEO & Executive Chairman · Director | Sale | −10.2K | $18.45 | $188K | Sep 14, 2026 | Form 4 ↗ |
| Gilde Healthcare Holding B.V. | Sale | −1,196 | $22.60 | $27K | Aug 26, 2026 | Form 4 ↗ |
| Gilde Healthcare Holding B.V. | Sale | −681 | $22.62 | $15K | Aug 24, 2026 | Form 4 ↗ |
| Gilde Healthcare Holding B.V. | Sale | −20.5K | $22.61 | $464K | Aug 21, 2026 | Form 4 ↗ |
| Gilde Healthcare Holding B.V. | Sale | −3,900 | $22.60 | $88K | Aug 20, 2026 | Form 4 ↗ |
| Ahearn Matthew FraserChief Operating Officer · Director | Sale | −1,600 | $21.38 | $34K | Aug 18, 2026 | Form 4 ↗ |
| Ahearn Matthew FraserChief Operating Officer · Director | Sale | −12.6K | $20.94 | $263K | Aug 18, 2026 | Form 4 ↗ |
| Ahearn Matthew FraserChief Operating Officer · Director | Sale | −8,314 | $20.10 | $167K | Aug 17, 2026 | Form 4 ↗ |
| Gilde Healthcare Holding B.V. | Sale | −2,095 | $22.60 | $47K | Aug 6, 2026 | Form 4 ↗ |
| Gilde Healthcare Holding B.V. | Sale | −7,338 | $22.64 | $166K | Aug 5, 2026 | Form 4 ↗ |
| Gilde Healthcare Holding B.V. | Sale | −99.8K | $22.77 | $2.3M | Aug 4, 2026 | Form 4 ↗ |
| Gilde Healthcare Holding B.V. | Sale | −10.8K | $22.71 | $244K | Aug 3, 2026 | Form 4 ↗ |
| Gilde Healthcare Holding B.V. | Sale | −20.0K | $22.73 | $455K | Jul 31, 2026 | Form 4 ↗ |
| Gilde Healthcare Holding B.V. | Sale | −28.2K | $23.36 | $660K | Jul 30, 2026 | Form 4 ↗ |
| Sidow Kevin K.Director | Grant / award | +5,046 | $0.00 | $0 | Jun 26, 2026 | Form 4 ↗ |
| Hykes AndrewDirector | Grant / award | +5,046 | $0.00 | $0 | Jun 26, 2026 | Form 4 ↗ |
| Buchholz RichardDirector | Grant / award | +5,046 | $0.00 | $0 | Jun 26, 2026 | Form 4 ↗ |
| Tansey Casey MDirector · 10% owner | Grant / award | +5,046 | $0.00 | $0 | Jun 26, 2026 | Form 4 ↗ |
| BUCKMAN PAULDirector | Grant / award | +5,046 | $0.00 | $0 | Jun 26, 2026 | Form 4 ↗ |
| Ahearn Matthew FraserChief Operating Officer · Director | Sale | −2,500 | $19.26 | $48K | Jun 15, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding SI · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| Fidelity Small Cap Growth Fund Fidelity Securities Fund | 777.6K | $17.7M | 0.20% | Jul 31, 2026 |
| Select Medical Technology and Devices Portfolio Fidelity Select Portfolios | 947.8K | $13.9M | 0.47% | May 31, 2026 |
| Fidelity Small Cap Growth K6 Fund Fidelity Securities Fund | 387.9K | $8.8M | 0.19% | Jul 31, 2026 |
| Select Health Care Portfolio Fidelity Select Portfolios | 545.3K | $8.0M | 0.14% | May 31, 2026 |
| Fidelity Balanced Fund Fidelity Puritan Trust | 505.6K | $7.4M | 0.01% | May 31, 2026 |
| Fidelity Advisor Health Care Fund Fidelity Advisor Series VII | 310.7K | $7.1M | 0.23% | Jul 31, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 322.2K | $6.5M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 264.6K | $5.4M | 0.01% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 114.7K | $2.6M | 0.01% | Jul 31, 2026 |
| iShares Russell 2000 Value ETF iShares Trust | 87.8K | $1.8M | 0.01% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list SI's shares (CUSIP 82537J108), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Martemanshurk B.V.SCHEDULE 13D/A · activist (13D) · 2.2M shares10.7%
Aug 7, 2026 · ↗ - Manapouri B.V.SCHEDULE 13D/A · activist (13D) · 2.2M shares10.7%
Aug 7, 2026 · ↗ - Cooperatieve Gilde Healthcare V U.A.SCHEDULE 13D/A · activist (13D) · 2.2M shares10.7%
Aug 7, 2026 · ↗ - Gilde Healthcare V Management B.V.SCHEDULE 13D/A · activist (13D) · 2.2M shares10.7%
Aug 7, 2026 · ↗ - Gilde Healthcare Holding B.V.SCHEDULE 13D/A · activist (13D) · 2.2M shares10.7%
Aug 7, 2026 · ↗ - Abigail P. JohnsonSCHEDULE 13G/A · passive (13G) · 3.7M shares17.7%
Aug 6, 2026 · ↗ - FMR LLCSCHEDULE 13G/A · passive (13G) · 3.7M shares17.7%
Aug 6, 2026 · ↗ - Churchill R. SeanSCHEDULE 13G/A · passive (13G) · 155.1K shares0.8%
May 7, 2026 · ↗ - Ball Robert JosephSCHEDULE 13G/A · passive (13G) · 767.8K shares3.6%
May 7, 2026 · ↗ - Ahearn Matthew FraserSCHEDULE 13G/A · passive (13G) · 317.1K shares1.5%
May 7, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming SHOULDER INNOVATIONS, INC. as client
No lobbying filings found naming SHOULDER INNOVATIONS, INC. as the client.
Government Contracts
Federal awards to shoulder innovations · USAspending
$20KAwarded · 1 contract on record
- Department of Veterans AffairsTOTAL SHOULDER$20K
May 12, 2026 · ↗
U.S. Patents
Recent USPTO applications naming SHOULDER INNOVATIONS, INC.
No USPTO patent applications found for SHOULDER INNOVATIONS, INC..
Annual Financials
From SI's 10-K filings · XBRL
No annual XBRL figures on record for SI. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in SI's price history.
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 7.01, 9.01Reg FD disclosureAug 10, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsAug 6, 2026
EDGAR ↗ - 8-K · Items 1.01, 1.02, 2.03, 7.01, 9.01Material agreement · Termination of agreement · Direct financial obligationJun 29, 2026
EDGAR ↗ - 8-K · Items 5.07Shareholder voteJun 26, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsMay 13, 2026
EDGAR ↗
About SHOULDER INNOVATIONS, INC.
From SEC EDGAR company records
Industry (SIC 3841)Surgical & Medical Instruments & Apparatus
SectorHealthcare
HeadquartersGRAND RAPIDS, MI
IncorporatedDE
SEC CIK0001699350 ↗