Schallenberger Mark A. Insider Trading -- Recent SEC Form 4 Transactions

Schallenberger Mark A. (CIK 1960742) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-18). Recent activity: Buy XTNT (450,000 shares), Sell XTNT (7,070 shares), Sell XTNT (7,709 shares), Buy XTNT (292,253 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-08-18Xtant Medical Holdings, Inc. (XTNT)Chief Operating OfficerBuy450,000$0
2026-08-18Xtant Medical Holdings, Inc. (XTNT)Chief Operating OfficerSell7,070$2,192
2026-02-18Xtant Medical Holdings, Inc. (XTNT)Chief Operating OfficerSell7,709$4,471
2025-11-18Xtant Medical Holdings, Inc. (XTNT)Chief Operating OfficerBuy292,253$0

Source: SEC Form 4 filings · as of 2026-08-18