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$ZBIO All transactions

Zenas BioPharma, Inc.

▲ BUY
9 / 10

Conviction

$ Value

$1.2M

Shares

63,158

Price

$19

Filed

Oct 14

Why this score? (9/10)
  • Open market buy (+3)
  • Trade value >= $1.0M (+2)
  • Director (+1)
  • Cluster: 6 insiders buying (+2)
  • Not a 10b5-1 plan (+1)

Insider

Name

Nunn Jason Raleigh

Title

CIK

0001444319

Roles

Director

Transaction Details

Transaction Date

2025-10-09

Code

P

Table

Non-Derivative

Ownership

Indirect

Equity Swap

No

Shares After

1,173,395

Footnotes

Acquired from the Issuer on October 9, 2025 pursuant to a Securities Purchase Agreement dated October 7, 2025. | The reported securities are held directly by SR One Capital Opportunities Fund I, LP. SR One Capital Opportunities Partners I, LP is the general partner of SR One Capital Opportunities Fund I, LP. The Reporting Person is a partner of SR One Capital Management, LP, an entity affiliated with SR One Capital Opportunities Fund I, LP, and a limited partner of SR One Capital Opportunities Partners I, LP. The Reporting Person disclaims beneficial ownership of these securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose. | The reported securities are held directly by SR One Capital Fund II Aggregator, LP. SR One Capital Partners II, LP is the general partner of SR One Capital Fund II Aggregator, LP. The Reporting Person is a partner of SR One Capital Management, LP, an entity affiliated with SR One Capital Fund II Aggregator, LP, and a limited partner of SR One Capital Partners II, LP. The Reporting Person disclaims beneficial ownership of these securities for purposes of Section 16, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

Filing Info

Accession No.

0001193125-25-239158

Form Type

4

Issuer CIK

0001953926

Nunn Jason Raleigh's History

Date Ticker Type Value
2025-10-09 ZBIO $1.2M
2025-06-25 RGLS D
2025-06-25 RGLS D
2025-06-25 RGLS D
2025-06-25 RGLS D
2025-06-25 RGLS D
2025-06-25 RGLS D
2025-06-25 RGLS D
2025-06-25 RGLS D
2025-06-25 RGLS D

Other Insiders at ZBIO (90d)

Insider Bought Sold Last
Fairmount Funds Management LLC $3.0M 2026-03-31
Lu Hongbo $1.6M 2026-03-31
MOULDER LEON O JR
Chief Executive Officer
$1.0M 2026-03-31