SEC Form 4 · accession 0000899243-16-025730
Seres Therapeutics, Inc. · MCRB
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
John G. Aunins
Officer — Chief Technology Officer & EVP
Period of report
Jul 22, 2016
Accepted (ET)
Jul 26, 2016 · 5:54 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001609809
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jul 22, 2016 | M | 187,500 | $0.48 | A | 220,155 | D | |
| Common StockF2 | Jul 25, 2016 | S | 9,390 | $34.18 | D | 210,765 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (right to buy)F3 | $0.48 | Jul 22, 2016 | M | 187,500 | D | — | May 16, 2023 | Common Stock | 187,500 | 12,500 | D |
Explanation of responses
- F1The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 28, 2016.
- F2The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $33.98 to $34.18. The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
- F3The option vested as to 25% of the shares on December 1, 2013. The remainder of the shares vested or will vest in 12 equal quarterly installments thereafter.