Zenas BioPharma, Inc. - ZBIO

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
Visible: 0
Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
May 18, 2026 Chief Executive Officer P A 60,000.0 16.88 1,012,800.0 96,928.0 View
Apr 29, 2026 Chief Executive Officer P A 35,000.0 17.62 616,700.0 1,786,039.0 View
Apr 29, 2026 Chief Executive Officer P A 25,000.0 18.02 450,500.0 1,751,039.0 View
Apr 02, 2026 — P A 3,768.0 18.63 70,197.84 426,736.0 View
Apr 01, 2026 — P A 150,000.0 20.0 3,000,000.0 2,359,025.0 View
Mar 31, 2026 Chief Executive Officer P A 34,000.0 19.31 656,540.0 1,726,039.0 View
Mar 31, 2026 Chief Executive Officer P A 20,000.0 18.23 364,600.0 1,692,039.0 View
Mar 31, 2026 — P A 75,000.0 20.0 1,500,000.0 422,968.0 View
Feb 13, 2026 — P A 25,985.0 22.5 584,662.5 347,968.0 View
Feb 13, 2026 — P A 4,160.0 26.36 109,657.6 19,860.0 View
Feb 13, 2026 — P A 5,000.0 26.5 132,500.0 15,700.0 View
Feb 13, 2026 — P A 5,700.0 24.34 138,738.0 10,700.0 View
Feb 13, 2026 — P A 5,000.0 23.77 118,850.0 5,000.0 View
Feb 03, 2026 Chief Executive Officer P A 57,000.0 17.96 1,023,720.0 423,155.0 View
Jan 09, 2026 Chief Executive Officer P A 20,000.0 16.55 331,000.0 366,155.0 View
Jan 09, 2026 Chief Executive Officer P A 30,000.0 16.3 489,000.0 346,155.0 View
Jan 09, 2026 Chief Executive Officer P A 50,000.0 16.38 819,000.0 316,155.0 View