Seres Therapeutics, Inc.·4

Jul 10, 4:15 PM ET

Brady Kelly 4

4 · Seres Therapeutics, Inc. · Filed Jul 10, 2026

Research Summary

AI-generated summary of this filing

Updated

Seres (MCRB) COO Brady Kelly Receives 18,750-Share Option Award

What Happened
Brady Kelly, Chief Operating Officer and Executive Vice President of Seres Therapeutics (MCRB), was granted a derivative award covering 18,750 shares on 2026-07-08. The reported acquisition price is $0.00, indicating an option or similar equity award rather than an open-market purchase. No exercise or sale occurred in this filing.

Key Details

  • Transaction date: 2026-07-08; Form 4 filed: 2026-07-10 (appears timely).
  • Transaction type/code: A (Grant/award or other acquisition of a derivative).
  • Amount: 18,750 shares; reported price: $0.00 (derivative award).
  • Vesting (footnote): 25% vests on March 2, 2027; remaining 75% vests in 12 equal quarterly installments thereafter.
  • Shares owned after transaction: Not specified in the provided filing details.
  • No indication of immediate exercise or sale; this is a compensation grant subject to future vesting.

Context
This filing reflects a standard executive equity grant, commonly used for retention and long-term incentive. Because the award vests over time, it does not represent immediate stock ownership or a market purchase/sale signal. Retail investors should view this as compensation-related rather than a direct market investment by the insider.

Insider Transaction Report

Form 4
Period: 2026-07-08
Brady Kelly
See Remarks
Transactions
  • Award

    Stock Option (right to buy)

    [F1]
    2026-07-08+18,75018,750 total
    Exercise: $9.13Exp: 2036-03-03Common Stock (18,750 underlying)
Footnotes (1)
  • [F1]The option will vest as to 25% of the shares on March 2, 2027. The remainder of the shares will vest in 12 equal quarterly installments thereafter.
Signature
/s/ Thomas J. DesRosier, Attorney-in-Fact for Kelly M. Brady|2026-07-10

Documents

1 file
  • 4
    ownership.xmlPrimary

    4