SI-BONE director Dunn exercises options, sells 20K shares
The planned sale involved multiple trades priced between $20.25 and $21.76 per share.
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Form Type
4
Rhea-AI Filing Summary
SI-BONE, Inc. director Jeffrey W. Dunn exercised options for 20,000 shares of common stock at $4.68 per share on November 2, 2026, then sold 20,000 shares at a weighted average price of $20.891 per share. The sale was made under a Rule 10b5-1 trading plan dated May 7, 2025, and trades ranged from $20.25 to $21.76 per share. The option transaction reports 46,260 shares following the exercise. A separate entry lists 81,073 shares held indirectly by The Jeffrey W. Dunn Living Trust Dated May 17, 2012.
Insider Trade Summary 10b5-1
Exercise and Sale: 20,000 shares ($324K approx. pre-tax spread)
Exercise and Sale
3 txns
Insider
DUNN JEFFREY W
Role
Director
Sold
20,000 shs ($418K)
Approx. gross sale proceeds
$418K
Approx. exercise cost
$94K
Approx. pre-tax spread
$324K
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option (Right to Buy) F5 | 20,000 | $0.00 | $0.00 |
| Exercise | Common Stock | 20,000 | $4.68 | $94K |
| Sale | Common Stock F1, F2, F3 | 20,000 | $20.891 | $418K |
| Holding | Common Stock F4 | -- | -- | -- |
Holdings After Transaction:
Stock Option (Right to Buy) — 46,260 contracts (Direct);
Common Stock — 16,057 shares (Direct);
Common Stock — 81,073 shares (Indirect, by Trust)
Footnotes (5)
- F1. The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan dated May 7th, 2025.
- F2. This transaction was executed in multiple trades at prices ranging from $20.25 USD to $21.76 USD; the price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
- F3. Includes 10,957 shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
- F4. Shares held by The Jeffrey W. Dunn Living Trust Dated May 17, 2012.
- F5. The shares subject to the option vest in equal monthly installments over four years commencing on the vesting commencement date, subject to Reporting Person's continued service through each relevant vesting date.
Key Figures
Shares acquired through option exercise: 20,000 shares
Option exercise price: $4.68 per share
Shares sold: 20,000 shares
+5 more
8 metrics
Shares acquired through option exercise
20,000 shares
November 2, 2026
Option exercise price
$4.68 per share
November 2, 2026
Shares sold
20,000 shares
November 2, 2026
Weighted average sale price
$20.891 per share
November 2, 2026
Sale price range
$20.25 to $21.76 per share
Multiple trades on November 2, 2026
Shares following option transaction
46,260 shares
Reported following the November 2, 2026 exercise
Trust-held common shares
81,073 shares
Indirect holding by The Jeffrey W. Dunn Living Trust Dated May 17, 2012
Restricted stock unit shares
10,957 shares
Issuable upon settlement of restricted stock units included in the reported post-transaction amount
Key Terms
Rule 10b5-1 trading plan, weighted average sale price, restricted stock units, vesting commencement date
4 terms
Rule 10b5-1 trading plan regulatory
"sale reported on this Form 4 was effected pursuant to a 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 above reflects the weighted average sale price"
restricted stock units financial
"shares issuable on the settlement of restricted stock units"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
vesting commencement date financial
"commencing on the vesting commencement date"
The vesting commencement date is the starting point when an employee begins earning ownership rights to their promised benefits, such as stock options or retirement contributions. Think of it like the day a savings account is opened—only after this date do the benefits start to grow and become fully available over time. It matters to investors because it marks when the clock begins ticking toward full ownership, affecting the timing and value of these benefits.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many SIBN options did Jeffrey W. Dunn exercise?
Jeffrey W. Dunn exercised options for 20,000 shares at $4.68 per share on November 2, 2026. The option transaction reports 46,260 shares following the exercise.
AI-generated analysis. How Rhea-AI works. Not financial advice.
