Shoulder Innovations (SI) COO sells shares under 10b5-1 plan
Rhea-AI Filing Summary
SHOULDER INNOVATIONS, INC. (SI) reported insider transactions by Chief Operating Officer Matthew Fraser Ahearn. On August 17–18, 2026, he sold a total of 22,500 shares of Common Stock in open-market transactions under a Rule 10b5-1 trading plan, at weighted average prices around $20–$21 per share across specified ranges. On August 14, 2026, he also made a bona fide gift of 2,500 shares of Common Stock.
Positive
- None.
Negative
- None.
Insider Trade Summary 10b5-1
Net Seller: 25,000 shares
Net Sell
4 txns
Insider
Ahearn Matthew Fraser
Role
Chief Operating Officer
Sold
22,500 shs ($465K)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Common Stock F1, F3 | 12,586 | $20.9354 | $263K |
| Sale | Common Stock F1, F4 | 1,600 | $21.3819 | $34K |
| Sale | Common Stock F1, F2 | 8,314 | $20.0988 | $167K |
| Gift | Common Stock | 2,500 | $0.00 | $0.00 |
Holdings After Transaction:
Common Stock — 244,176 shares (Direct)
Footnotes (4)
- F1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2026.
- F2. The price reported in Column 4 is a weighted average sale price. The shares of Common Stock were sold in multiple transactions at prices ranging from $20.00 to $20.525, inclusive. The Reporting Person undertakes to provide upon request by the staff of the Securities & Exchange Commission, the Issuer or any security holder of the Issuer, full information regarding the number of shares of Common Stock sold at each separate price within the range set forth herein.
- F3. The price reported in Column 4 is a weighted average sale price. The shares of Common Stock were sold in multiple transactions at prices ranging from $20.25 to $21.24, inclusive. The Reporting Person undertakes to provide upon request by the staff of the Securities & Exchange Commission, the Issuer or any security holder of the Issuer, full information regarding the number of shares of Common Stock sold at each separate price within the range set forth herein.
- F4. The price reported in Column 4 is a weighted average sale price. The shares of Common Stock were sold in multiple transactions at prices ranging from $21.25 to $21.46, inclusive. The Reporting Person undertakes to provide upon request by the staff of the Securities & Exchange Commission, the Issuer or any security holder of the Issuer, full information regarding the number of shares of Common Stock sold at each separate price within the range set forth herein.
Key Figures
Shares sold on 2026-08-17: 8,314 shares at $20.0988 per share
Shares sold on 2026-08-18 (block 1): 12,586 shares at $20.9354 per share
Shares sold on 2026-08-18 (block 2): 1,600 shares at $21.3819 per share
+5 more
8 metrics
Shares sold on 2026-08-17
8,314 shares at $20.0988 per share
Common Stock sale in open-market transactions with weighted average price and $20.00–$20.525 range
Shares sold on 2026-08-18 (block 1)
12,586 shares at $20.9354 per share
Common Stock sale with weighted average price and $20.25–$21.24 range
Shares sold on 2026-08-18 (block 2)
1,600 shares at $21.3819 per share
Common Stock sale with weighted average price and $21.25–$21.46 range
Bona fide gift
2,500 shares at $0.0000 per share
Gift of Common Stock on 2026-08-14 coded as G (bona fide gift)
Total shares sold
22,500 shares
Aggregate Common Stock shares sold across three sale transactions
Net buy/sell direction
net-sell of 22,500 shares
Net result of reported buy/sell activity in this Form 4
Rule 10b5-1 plan adoption date
March 13, 2026
Date the reporting person adopted the trading plan governing the reported sales
Gift shares
2,500 shares
Total number of Common Stock shares transferred as a bona fide gift
Key Terms
Rule 10b5-1 trading plan, weighted average sale price, bona fide gift
3 terms
Rule 10b5-1 trading plan regulatory
"The sales reported ... were effected pursuant to a Rule 10b5-1 trading plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
weighted average sale price financial
"The price reported in Column 4 is a weighted average sale price."
bona fide gift financial
"transaction_code_description: Bona fide gift"
A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.
FAQ
What insider transactions did SHOULDER INNOVATIONS (SI) report for Matthew Fraser Ahearn?
Matthew Fraser Ahearn reported 22,500 shares sold of SHOULDER INNOVATIONS Common Stock and a 2,500-share bona fide gift. The sales occurred on August 17–18, 2026, and the gift on August 14, 2026, all involving Common Stock.
Were the recent SI insider stock sales by the COO made under a Rule 10b5-1 plan?
Yes. The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2026. This indicates the trades followed a pre-established plan rather than ad hoc timing decisions.
What price ranges applied to the recent SI insider stock sales?
The reported weighted average prices reflect trades within ranges of $20.00–$20.525, $20.25–$21.24, and $21.25–$21.46 per share. The reporting person undertook to provide detailed trade breakdowns upon request to regulators, the issuer, or its security holders.
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