SEC Form 4 · accession 0001209191-17-033327
ADURO BIOTECH, INC. · ADRO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Stephen T Isaacs
Officer — President and CEO · Director
Period of report
May 15, 2017
Accepted (ET)
May 17, 2017 · 5:55 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001435049
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | May 15, 2017 | M | 10,600 | $0.52 | A | 114,625 | D | |
| Common StockF3,F1 | May 15, 2017 | S | 10,600 | $10.0145 | D | 104,025 | D | |
| Common StockF1 | May 16, 2017 | M | 16,673 | $0.52 | A | 120,698 | D | |
| Common StockF4,F1 | May 16, 2017 | S | 16,673 | $10.004 | D | 104,025 | D | |
| Common StockF5 | holding | — | — | — | 70,657 | I | By Family Trust |
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)F6 | $0.52 | May 15, 2017 | M | 10,600 | D | — | Oct 24, 2021 | Common Stock | 10,600 | 159,111 | D |
| Stock Option (right to buy)F6 | $0.52 | May 16, 2017 | M | 16,673 | D | — | Oct 24, 2021 | Common Stock | 16,673 | 142,438 | D |
Explanation of responses
- F1Includes 1,825 shares acquired by the Reporting Person on May 15, 2017 under the Issuer's 2015 Employee Stock Purchase Plan.
- F2The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 30, 2016.
- F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.08, 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.
- F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.05, 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.
- F5The shares are owned directly by the Isaacs-MacBride Family Trust UAD 03/09/01, for which the Reporting Person is a trustee.
- F6The shares subject to the Option are fully vested and immediately exercisable.