John Niederhuber
CIK: 0001501240
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)2 (66.7%)
Derivative conversions
Awards (A)1 (33.3%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
APVO
Aptevo Therapeutics Inc.
Director
Discretionary Trading P&L
Holdings
About Niederhuber John
Niederhuber John (SEC CIK 0001501240) files insider reports with the SEC as Director of Aptevo Therapeutics Inc. (APVO).
Signal8 holds 3 ownership filings by Niederhuber John, all Form 4s, filed between Jul 21, 2025 and Aug 10, 2026. Those filings report 3 transactions, from Jul 17, 2025 to Aug 6, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Niederhuber John's filings is in SEATTLE, WA.
Recent filings by Niederhuber John
Other insiders filing for Aptevo Therapeutics Inc. (APVO)
- Harsanyi Zsolt, Director
- Lamothe Jeffrey G., President and CEO
- Taylor Daphne, SVP, CFO
- Kwon SoYoung, SVP, GC, BD & Corp Affairs
- Huebner Dirk, SVP, CMO
- Grant Grady III, Director