ANAPTYSBIO, INC 8-K

What Happened

• ANAPTYSBIO, Inc. announced in an 8‑K (filed June 22, 2026) that it entered into a Sublease Agreement with First Tracks Biotherapeutics, Inc. on June 15, 2026.
• The Company agreed to sublease approximately 45,057 rentable square feet at 10770 Wateridge Circle, San Diego, California, for an initial Sublease Term of 12 months beginning June 15, 2026.

Key Details

• Sublease commencement: June 15, 2026; initial term: 12 months. First Tracks may renew the term (with notice at least 3 months before initial expiry) up to the earlier of April 4, 2028 or a 12‑month renewal period.
• First Tracks may terminate the Sublease at any time with at least 3 months’ prior written notice.
• Rent: First Tracks will pay monthly rent equal to the Company’s monthly Basic Rent under the Master Lease plus Additional Rent and any service charges it incurs; payments due in advance on the first of each month.
• Lease liability: The Sublease is subordinate to the Master Lease (the Company’s lease with Wateridge Property Owner, LP). ANAPTYSBIO remains ultimately responsible to the Master Landlord for Basic Rent and Additional Rent and for complying with Master Lease obligations except to the extent assumed by First Tracks. If the Company’s tenancy under the Master Lease ends, the Sublease terminates immediately.
• The full Sublease will be filed with ANAPTYSBIO’s Form 10‑K/T for the transition period ending June 30, 2026.

Why It Matters

• This Item 1.01 disclosure documents a material definitive agreement affecting the Company’s leased space and occupancy in San Diego. For investors, key takeaways are the size of space subleased (~45,057 sq ft), the short initial term (12 months) with limited renewal rights, and that ANAPTYSBIO retains ultimate lease obligations to the Master Landlord. These facts are relevant to the company’s real estate footprint, operational planning, and potential near‑term lease expense or cash‑flow implications.