Form 4 for SIBN SI-BONE, Inc.
Accepted 2026-08-05 18:21:03 ET · period of report 2026-08-03 · accession 0001035986-26-000005 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-08-05 18:21 | 2026-08-03 | SIBN | DUNN JEFFREY W | Dir | M - OptEx | $4.68 | +20.0K | 36.1K | +125% | +$93.6K |
| D | 2026-08-05 18:21 | 2026-08-03 | SIBN | DUNN JEFFREY W | Dir | S - Sale+OE | $18.46 | -20.0K | 16.1K | -55% | -$369.2K |
| D | 2026-08-05 18:21 | 2026-08-03 | SIBN | DUNN JEFFREY W | Dir | M - OptEx | $0.00 | -20.0K | 106.3K | -16% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-03 | M | A | 20,000 | $4.68 | 36,057 | D | — | — | |
| 2 | Common | Common Stock | 2026-08-03 | S | D | 20,000 | $18.46 | 16,057 | D | — | — | (F1) The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan dated May 7th, 2025. (F2) The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $18.20 to $18.93, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder 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. |
| 3 | Derivative | Stock Option (Right to Buy) | 2026-08-03 | M | D | 20,000 | $0.00 | 106,260 | D | $4.68 · — to 2027-03-01 | 20,000 Common Stock | (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. |