December 30, 2025 · Form 4 insider transaction
EVNIN LUKE sold 34,847 shares of HOWL at $0.61 per share, a transaction worth $21.3K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 3 days after the transaction.
Transaction effected pursuant to a plan established pursuant to Rule 10b5-1 dated September 24, 2025.; The shares were sold as follows: 3,728 by MPM Asset Management LLC ("AM LLC"), 23,551 by MPM BioVentures 2014, L.P. ("BV 2014"), 1,571 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)"), 811 by MPM Asset Management Investors BV2014 LLC ("AM BV2014") and 5,186 by MPM Oncology Innovations Fund, L.P. ("MPM OIF").; The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.6085 to $0.63 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.; MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV LLC is the manager of AM BV2014. MPM Oncology Innovations Fund GP LLC ("MPM OIF GP") is the general partner of MPM OIF. Luke Evnin is a member of AM LLC, a Managing Director of BV LLC and a manager of MPM OIF GP. The Reporting Person disclaims beneficial ownership of the securities except to the extent of his pecuniary interest therein.; The shares are held as follows: 269,490 by AM LLC, 1,701,633 by BV 2014, 113,495 by BV 2014(B), 58,568 by AM BV2014 and 372,641 by MPM OIF.