Transaction · 0001035986-26-000006

Dunn Jeffrey W

DUNN JEFFREY W, DIR, reported an open-market or private sale at SI-BONE, Inc. involving 18633.000000 shares for an estimated $352312.76. Reported holdings after the transaction were 17424.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SDIR
SIBNSI-BONE, Inc.
Trade date
Sep 01, 2026
Filing date
Sep 03, 2026
View on SEC Insider profile
Estimated value-$352kShares × reported price
Shares traded18.6k$18.91 per share
Holdings after17.4kDirect
% of reported position traded51.68%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 36,057 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

SIBN price since this filing

Daily closing prices, with the filing date and available return windows
SIBN · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -4.7%1w ago +4.8%1d ago +2.0%
Returns since7d -1.8%30d -3.1%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001035986-26-000006
Common Stock
Transaction date
Sep 01, 2026
Filed Sep 03, 2026, 11:26 PM · 2d delay
Shares
18,633 sh
$18.91 per share
Estimated value
-$352k
Computed from shares × price
Holdings after
17,424 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling Direct Ownership Large Holdings Reduction Large Sale 10b5-1 Detected
Filing-only score

0 points

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    The sale reported on this Form 4 was effected pursuant to a 10b5-1 trading plan dated May 7th, 2025.

  2. F2

    The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $18.6450 to $19.6449, inclusive. The Reporting Person undertakes to provide the I…

  3. 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…

  4. F4

    Shares held by The Jeffrey W. Dunn Living Trust Dated May 17, 2012.

  5. 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 v…

Original filing · 0001035986-26-000006
Related transactions

0 other transactions

Same SEC filing
Recent company activity

0 recent txs

SIBN