SIBN SI-BONE, Inc.

NASDAQ
$18.38

SI-BONE, Inc. (SIBN) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal Moderately bearish Selling ran elevated versus SIBN's own trailing one-year pace, with 74% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 4 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
4
23 transactions
Purchases
$0
0 shares
Sales
$3.5M
180,187 shares
Net activity
-$3.5M
purchases less sales

How much of that selling was preplanned? 74% planned / 26% discretionary

10b5-1 plan sales $2.6M 8 transactions · 130,390 shares
Discretionary sales $912.7K 15 transactions · 49,797 shares

Largest single sale: $1.0M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

No open-market insider purchase on record.

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
DUNN JEFFREY W 2 fills Director Sell 10b5-1 20,000 $18.91 $378.2K 17,424 −53.4% of holding
FRANCIS LAURA Chief Executive Officer Sell 10b5-1 25,972 $20.12 $522.6K 291,491 −8.2% of holding
Maheshwari Anshul Chief Op & Financial Officer Sell 10b5-1 11,636 $20.11 $234.0K 223,284 −5% of holding
Maheshwari Anshul Chief Op & Financial Officer Sell 10b5-1 11,228 $20.02 $224.8K 234,920 −4.6% of holding
FRANCIS LAURA Chief Executive Officer Sell 10b5-1 3,923 $20.02 $78.5K 317,463 −1.2% of holding
FRANCIS LAURA Chief Executive Officer Sell 10b5-1 51,884 $19.46 $1.0M 321,386 −13.9% of holding
Maheshwari Anshul Chief Op & Financial Officer Sell 10b5-1 5,747 $19.55 $112.4K 246,148 −2.3% of holding
FRANCIS LAURA 5 fills Chief Executive Officer Sell 14,956 $18.66 $279.1K 499,552 −2.9% of holding
Maheshwari Anshul 2 fills Chief Financial Officer Sell 4,665 $18.65 $87.0K 254,084 −1.8% of holding
PISETSKY MICHAEL A. 2 fills SVP, Ops & Adm/Chief Legal Ofr Sell 3,725 $18.63 $69.4K 275,521 −1.3% of holding
DUNN JEFFREY W Director Sell 20,000 $18.46 $369.2K 16,057 −55.5% of holding
Maheshwari Anshul 2 fills Chief Financial Officer Sell 3,317 $16.77 $55.6K 258,120 −1.3% of holding
PISETSKY MICHAEL A. 3 fills SVP, Ops & Adm/Chief Legal Ofr Sell 3,134 $16.71 $52.4K 278,710 −1.1% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.