InsiderTrades

Form 4 for SI SHOULDER INNOVATIONS, INC.

Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-13 · accession 0001215243-26-000001 · 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
DM 2026-03-17 2026-03-13 SI BUCKMAN PAUL Dir F - Tax $14.73 -7,006 62.4K -10% -$103.2K
DM 2026-03-17 2026-03-13 SI BUCKMAN PAUL Dir M - OptEx $2.26 +45.6K 65.7K +227% +$103.1K
DM 2026-03-17 2026-03-13 SI BUCKMAN PAUL Dir M - OptEx $0.00 -45.6K 1,142 -98% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-13 F D 3,714 $14.82 58,704 D — —
2 Common Common Stock 2026-03-13 F D 3,292 $14.62 62,418 D — —
3 Common Common Stock 2026-03-13 M A 19,401 $2.48 39,505 D — — (F1) Includes the following shares received without consideration as in-kind distributions: (i) 3,144 shares from cultivate(MD) Capital Accelerator Fund, L.P.; and (ii) 3,096 shares from Cultivate MD Capital Fund II, LP. In prior reports, the reporting person reported beneficial ownership of 13,864 shares of Shoulder Innovations common stock held directly.
4 Common Common Stock 2026-03-13 M A 26,205 $2.10 65,710 D — —
5 Derivative Stock Option 2026-03-13 M D 26,205 $0.00 0 D $2.10 · — to 2030-12-16 26,205 Common Stock (F3) The stock option is fully vested and currently exercisable.
6 Derivative Stock Option 2026-03-13 M D 19,401 $0.00 1,142 D $2.48 · — to 2033-05-17 19,401 Common Stock (F2) The stock option vests in 36 equal monthly increments beginning on June 30, 2023.