Frank Zavrl
CIK 1652169 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 25, 2023 · Latest: June 10, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 10 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 8, 2026 | CRVO | A | 8,150 | $2.91 | $23,716 | — | — | — | -12.0% (price as of 2026-08-21) |
| June 9, 2020 | PBYI | A | 25,748 | — | — | 50,993 Direct | +101.99% | Acquired | (price as of 2026-08-21) |
| June 10, 2019 | PBYI | A | 19,423 | — | — | 25,245 Direct | +333.61% | Acquired | (price as of 2026-08-21) |
| June 12, 2018 | PBYI | A | 5,822 | — | — | 5,822 Direct | — | Acquired | (price as of 2026-08-21) |
| June 12, 2017 | PBYI | A | 7,604 | — | — | 7,604 Direct | — | Acquired | (price as of 2026-08-21) |
| Nov. 14, 2016 | PBYI | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-21) |
| April 14, 2016 | PBYI | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Dec. 16, 2015 | PBYI | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Sept. 8, 2015 | PBYI | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Sept. 8, 2015 | PBYI | A | 30,000 | — | — | 30,000 Direct | — | Acquired | (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 12, 2017 | PBYI | Stock Option (Right to Buy) | Common Stock (7,604) | $79.20 | June 11, 2027 | 7,604 | Acquired |
| Nov. 14, 2016 | PBYI | Stock Option (Right to Buy) | Common Stock (10,000) | $40.10 | Nov. 13, 2026 | 10,000 | Acquired |
| April 14, 2016 | PBYI | Stock Option (Right to Buy) | Common Stock (10,000) | $31.95 | April 13, 2026 | 10,000 | Acquired |
| Dec. 16, 2015 | PBYI | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (10,000) | $75.37 | Dec. 15, 2025 | 10,000 | Acquired |
| Sept. 8, 2015 | PBYI | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (10,000) | $95.22 | Sept. 7, 2025 | 10,000 | Acquired |
| Sept. 8, 2015 | PBYI | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (30,000) | $95.22 | Sept. 7, 2025 | 30,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 9 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 25, 2023 | CRVO | Common Stock | — | Direct |
| Aug. 25, 2023 | CRVO | Common Stock | — | Indirect |
| Aug. 25, 2023 | CRVO | Common Stock | — | Indirect |
| Aug. 25, 2023 | CRVO | Stock Option (Right to Buy) [F1]→ Common Stock | — | Direct |
| Aug. 25, 2023 | CRVO | Stock Option (Right to Buy) [F1]→ Common Stock | — | Direct |
| Aug. 25, 2023 | CRVO | Stock Option (Right to Buy) [F1]→ Common Stock | — | Direct |
| Aug. 25, 2023 | CRVO | Stock Option (Right to Buy) [F1]→ Common Stock | — | Direct |
| Sept. 10, 2015 | PBYI | COMMON STOCK | 359,076 | Indirect |
| Sept. 10, 2015 | PBYI | COMMON STOCK | 550,000 | Indirect |