SEC Form 4 · accession 0001209191-18-016696
PROTEOSTASIS THERAPEUTICS, INC. · PTI
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Po Shun Lee
Officer — See Remarks
Period of report
Mar 1, 2018
Accepted (ET)
Mar 5, 2018 · 5:35 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001445283
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Employee Stock Option (Right to Buy)F1 | $3.11 | Mar 1, 2018 | A | 74,800 | A | — | Mar 1, 2028 | Common Stock | 74,800 | 74,800 | D |
Explanation of responses
- F1These securities shall vest and become exercisable in a series of installments, with the first installment to become exercisable for 25% of the underlying common stock on February 1, 2019, and thereafter vesting and becoming exercisable in 12 quarterly installments as nearly equal as practicable (as determined by the Issuer in its reasonable discretion), until such stock option becomes fully exercisable on February 1, 2022, provided that the Reporting Person remains an employee of Issuer at all times during the applicable vesting period of such securities.
Remarks
Executive Vice President and Chief Medical Officer