Insider Transactions Reported by 17 Insiders of Zenas BioPharma, Inc.

Symbol
ZBIO on Nasdaq
Location
Waltham, MA

Insiders trading volume in the past year

Zenas BioPharma, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
InnoCare Pharma Inc. 10%+ Owner $111,026,500 07 Oct 2025
Leon O Moulder Jr. Chief Executive Officer, Director $68,316,615 +$3,432,669 +5.3% 02 Feb 2026
Enavate Sciences GP, LLC 10%+ Owner $63,943,103 16 Sep 2024
Fairmount Funds Management LLC Director $41,971,475 +$6,008,161 +17% 07 Oct 2025
SR ONE CAPITAL MANAGEMENT, LLC 10%+ Owner $36,440,005 +$2,399,985 +7.1% 09 Oct 2025
Patrick G. Enright Director $35,070,702 +$2,250,027 +6.9% 09 Oct 2025
Jason Raleigh Nunn Director $22,294,505 +$1,200,002 +5.7% 09 Oct 2025
Wellington Biomedical Innovation Master Investors (Cayman) I L.P. 10%+ Owner $13,627,608 16 Sep 2024
Hongbo Lu Director $7,829,280 +$5,584,703 +249% 11 Feb 2026
Patricia L. Allen Director $523,509 +$499,746 +2103% 12 Feb 2026
Ting Xiao Director $77,600 07 Feb 2025
James P. Boylan Director 10 Jun 2025
Joseph L. Farmer President and Chief Operating Officer 10 Jun 2025
Jennifer A. Fox Chief Financial Officer and Chief Business Officer 10 Jun 2025
Lisa von Moltke Head of Research and Development and Chief Medical Officer 15 Apr 2025
Orlando Oliveira Chief Commercial Officer 10 Jun 2025
John J. Orloff Director 10 Jun 2025

Recent Insider Transactions by Companies or Individuals for Zenas BioPharma, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Patricia L. Allen ZBIO Common Stock Purchase 26.5% $109,658 $26.36 4,160 19,860 13 Feb 2026 Direct
Patricia L. Allen ZBIO Common Stock Purchase $390,088 $24.85 15,700 15,700 12 Feb 2026 Direct
Hongbo Lu ZBIO Common Stock Purchase 8.07% $584,662 $22.50 25,985 347,968 11 Feb 2026 See footnote
Moulder Leon O Jr. ZBIO Common Stock Purchase 15.6% $1,023,720 $17.96 57,000 423,155 02 Feb 2026 Direct
Moulder Leon O Jr. ZBIO Common Stock Purchase 5.78% $331,000 $16.55 20,000 366,155 09 Jan 2026 Direct
Moulder Leon O Jr. ZBIO Common Stock Purchase 9.49% $489,000 $16.30 30,000 346,155 08 Jan 2026 Direct
Moulder Leon O Jr. ZBIO Common Stock Purchase 18.8% $819,000 $16.38 50,000 316,155 07 Jan 2026 Direct
Jason R. Nunn ZBIO Common Stock Purchase 5.69% $1,200,002 $19.00 63,158 1,173,395 09 Oct 2025 See Note 2
Sr One Capital Management, Llc ZBIO Common Stock Purchase 3.41% $1,199,983 $19.00 63,157 1,917,895 09 Oct 2025 See Note 3
Sr One Capital Management, Llc ZBIO Common Stock Purchase 5.69% $1,200,002 $19.00 63,158 1,173,395 09 Oct 2025 See Note 2
Patrick G. Enright ZBIO Common Stock Purchase $249,992 $20.85 11,990 11,990 09 Oct 2025 Direct
Patrick G. Enright ZBIO Common Stock Purchase 6.09% $2,000,035 $19.00 105,265 1,832,669 09 Oct 2025 See Footnote
Moulder Leon O Jr. ZBIO Common Stock Purchase $769,949 $20.85 36,928 36,928 07 Oct 2025 See Footnote
Fairmount Funds Management LLC ZBIO Common Stock Purchase 16.7% $6,008,161 $19.00 316,219 2,209,025 07 Oct 2025 By Fairmount Healthcare Fund II L.P.
Hongbo Lu ZBIO Common Stock Purchase 447.4% $5,000,040 $19.00 263,160 321,983 07 Oct 2025 See footnote
Jason R. Nunn ZBIO Stock Option (Right to Buy) Award 18,500 18,500 10 Jun 2025 Direct
Jennifer A. Fox ZBIO Stock Option (Right to Buy) Award 150,000 150,000 10 Jun 2025 Direct
Orlando Oliveira ZBIO Stock Option (Right to Buy) Award 100,000 100,000 10 Jun 2025 Direct
James P. Boylan ZBIO Stock Option (Right to Buy) Award 18,500 18,500 10 Jun 2025 Direct
Patricia L. Allen ZBIO Stock Option (Right to Buy) Award 18,500 18,500 10 Jun 2025 Direct
Joseph L. Farmer ZBIO Stock Option (Right to Buy) Award 175,000 175,000 10 Jun 2025 Direct
Fairmount Funds Management LLC ZBIO Stock Option (Right to Buy) Award 18,500 18,500 10 Jun 2025 By Tomas Kiselak
Patrick G. Enright ZBIO Stock Option (Right to Buy) Award 18,500 18,500 10 Jun 2025 Direct
John J. Orloff ZBIO Stock Option (Right to Buy) Award 18,500 18,500 10 Jun 2025 Direct
Hongbo Lu ZBIO Stock Option (Right to Buy) Award 18,500 18,500 10 Jun 2025 Direct
Moulder Leon O Jr. ZBIO Stock Option (Right to Buy) Award 400,000 400,000 10 Jun 2025 Direct
Lisa von Moltke ZBIO Stock Option (Right to Buy) Award 400,000 400,000 15 Apr 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.