SEC Form 4 · accession 0001209191-15-081148
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
Nov 16, 2015
Accepted (ET)
Nov 18, 2015 · 8:27 pm EST
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 Stock | Nov 16, 2015 | M | 25,000 | $0.52 | A | 25,000 | D | |
| Common StockF4 | Nov 16, 2015 | S | 22,300 | $27.41 | D | 2,700 | D | |
| Common StockF5 | Nov 16, 2015 | S | 2,700 | $28.61 | D | 0 | D | |
| Common StockF1,F2 | holding | — | — | — | 156,157 | 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 | Nov 16, 2015 | M | 25,000 | D | — | Oct 24, 2021 | Common Stock | 25,000 | 280,221 | D |
Explanation of responses
- F1Includes 1,470 shares acquired by Reporting Person under the Issuer's Employee Stock Purchase Plan on November 13, 2015.
- F2The shares are owned directly by the Isaacs-MacBride Family Trust UAD 03/09/01, for which the Reporting Person is a trustee.
- F3The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 15, 2015.
- F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.12 to $27.85, 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.21 to $29.14, 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.
- F6The shares subject to the Option are fully vested and immediately exercisable.