Chutter Jessica Caroline 4

What Happened
Jessica Caroline Chutter, a director of Tectonic Therapeutic, received a grant of 20,400 derivative shares on June 8, 2026. The award was reported at a $0.00 acquisition price (i.e., no cash paid). This was an issuance/award (not a sale or open-market purchase).

Key Details

• Transaction date: 2026-06-08; Filing date: 2026-06-10 (filed within the typical 2-business-day window).
• Transaction type/code: Grant/Award (A); derivative instrument reported at $0.00 per share.
• Shares granted: 20,400. Report did not disclose total shares owned by Ms. Chutter after this grant.
• Vesting (footnote): One-third of the shares vest on June 8, 2027; the remaining two-thirds vest in 24 equal monthly installments thereafter, subject to continued service.
• No indication of sale, exercise for cash, tax withholding, or 10b5-1 plan in this filing.

Context
This is a standard equity award tied to service/retention rather than an open-market purchase or sale. The shares are subject to a time-based vesting schedule and are not immediately free to trade. Such awards are common as director compensation and are factual disclosures of insider compensation—not direct buy/sell signals.