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Single filing record
This page shows the rows from one Form 4 filing as reported to the SEC.
Big buy
Lightstone Ventures II, LP: large open-market buy of SI
$4M open-market purchase by Lightstone Ventures II, LP, Other Officer at Shoulder Innovations,inc., filed August 5, 2025. Learn more
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Big BuySI
$22.22+0.73% today
Lightstone Ventures II, LP · Other Officer at Shoulder Innovations,inc.
$4M
Lightstone Ventures II, LP bought $4M of SI (Shoulder Innovations,inc.).
Insider purchase
Transaction details
Lightstone Ventures II, LP, a Other Officer, reported a $4M open-market purchase equal to 0.91% of SI's market cap.
Lightstone Ventures II, LP (Other Officer) bought 266,666 shares of SI, Shoulder Innovations,inc. ($441.1M market cap), at $15.00 per share on August 1, 2025 for a total of $4M (0.91% of the market cap).
Lightstone Ventures II, LP
Other Officer
Purchase value$4M
Shares purchased266,666
Price per share$15.00 per share
- % of market cap
- 0.91%
- Trade date
- August 1, 2025
- Filed
- August 5, 2025
- Filing delay
- 4 days
Permalink https://bluecollarpicks.com/insider-trading/SI/buy/12675
Market context
SI market snapshot
Current price$22.22
1-day change+0.73%
Market cap$441.1M
Next earningsNovember 9, 2026
$22.22
Current price$22.22
Analyst target$21.75 (+2.3%)
Last enriched August 25, 2026 at 7:31 AM EDT.
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Public Form 4 filings, normalized for cleaner scanning. What do these codes mean?
| Ticker | Type & Role | Value | |
|---|---|---|---|
Sell 10% Owner | $88.1K | ||
Grant Director | $0 | ||
Exercise and Hold CEO | $24.8K | ||
Exercise and Hold Director | $18.4K | ||
Exercise and Hold Director | Not reported | ||
Exercise and Hold Director | $40.8K | ||
Exercise and Hold Director | Not reported | ||
Cluster Buy CFO | $30K | ||
Exercise and Hold CFO | $32.9K | ||
Exercise and Hold CFO | Not reported | ||
Tax Withholding Director | $48.1K | ||
Tax Withholding Director | $55K | ||
Exercise and Hold Director | $48.1K | ||
Exercise and Hold Director | Not reported | ||
Exercise and Hold Director | $55K | ||
Exercise and Hold Director | Not reported | ||
Cluster Buy Director | $14.8K | ||
Cluster Buy CEO | $33.4K | ||
Exercise and Hold CEO | $4.3K | ||
Exercise and Hold CEO | Not reported | ||
Exercise and Hold CEO | $24.8K | ||
Exercise and Hold CEO | Not reported | ||
Grant CFO | $0 | ||
Grant Officer | $0 | ||
Grant CEO | $0 | ||
Grant Director | $0 | ||
Grant CFO | $13.1K | ||
Grant CEO | $20.2K | ||
Grant Officer | $12.7K | ||
Grant Director | $5.8K | ||
Cluster Buy CEO | $92.9K | ||
Cluster Buy CFO | $25.1K | ||
Cluster Buy CEO | $29.8K | ||
| This filing | Cluster Buy Officer | $4M | |
Cluster Buy Officer | $4M | ||
Cluster Buy Officer | $4M | ||
Cluster Buy Officer | $4M | ||
Cluster Buy Officer | $4M | ||
Cluster Buy Director | $4M | ||
Cluster Buy Director | $75K | ||
Cluster Buy Director | $1.5M | ||
$88.1K
Sell 10% Owner
$0
Grant Director
$24.8K
Exercise and Hold CEO
$18.4K
Exercise and Hold Director
Not reported
Exercise and Hold Director
$40.8K
Exercise and Hold Director
Not reported
Exercise and Hold Director
$30K
Cluster Buy CFO
$32.9K
Exercise and Hold CFO
Not reported
Exercise and Hold CFO
$48.1K
Tax Withholding Director
$55K
Tax Withholding Director
$48.1K
Exercise and Hold Director
Not reported
Exercise and Hold Director
$55K
Exercise and Hold Director
Not reported
Exercise and Hold Director
$14.8K
Cluster Buy Director
$33.4K
Cluster Buy CEO
$4.3K
Exercise and Hold CEO
Not reported
Exercise and Hold CEO
$24.8K
Exercise and Hold CEO
Not reported
Exercise and Hold CEO
Grant CFO
Grant Officer
Grant CEO
Grant Director
$13.1K
Grant CFO
$20.2K
Grant CEO
$12.7K
Grant Officer
$5.8K
Grant Director
$92.9K
Cluster Buy CEO
$25.1K
Cluster Buy CFO
$29.8K
Cluster Buy CEO
Cluster Buy Officer
Cluster Buy Officer
Cluster Buy Officer
$4M
Cluster Buy Officer
$4M
Cluster Buy Officer
$4M
Cluster Buy Director
$75K
Cluster Buy Director
$1.5M
Cluster Buy Director
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Recent transactions grouped by reporting owner.
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Method Public Form 4 filings, normalized for cleaner scanning. Filtered rows stay available in All Form 4 Filings and ticker history. Which view should I use? →
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