Mark T Giles
CIK 1663219 · View on SEC EDGAR ↗
Insider
First SEC filing: July 6, 2021 · Latest: July 6, 2021
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 18 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
18 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 28, 2016 | CRVO | P | 290,580 | — | — | 802,689 Indirect | +56.74% | Acquired | (price as of 2026-08-25) |
| Dec. 15, 2016 | CRVO | P | 512,109 | — | — | 512,109 Indirect | — | Acquired | (price as of 2026-08-25) |
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 |
|---|---|---|---|---|---|---|---|
| July 1, 2021 | CRVO | Stock Option (Right to Buy) | Common Stock (83,300) | $0.72 | July 1, 2031 | 83,300 | Acquired |
| June 17, 2020 | CRVO | Stock Option (Right to Buy) | Common Stock (61,300) | $1.00 | June 17, 2030 | 61,300 | Acquired |
| June 13, 2019 | CRVO | Stock Option (Right to Buy) | Common Stock (19,200) | $3.15 | June 13, 2029 | 19,200 | Acquired |
| June 13, 2019 | CRVO | Stock Option (Right to Buy) | Common Stock (13,100) | $3.15 | June 13, 2029 | 13,100 | Acquired |
| June 14, 2018 | CRVO | Stock Option (Right to Buy) | Common Stock (40,000) | $0.54 | June 14, 2028 | 40,000 | Acquired |
| Jan. 2, 2018 | CRVO | Stock Option (Right to Buy) | Common Stock (25,000) | $1.18 | Jan. 2, 2028 | 25,000 | Acquired |
| June 15, 2017 | CRVO | Stock Option (Right to Buy) | Common Stock (23,900) | $2.40 | June 15, 2027 | 23,900 | Acquired |
| Dec. 8, 2016 | CRVO | Stock Option (Right to Buy) | Common Stock (14,000) | $2.74 | Dec. 8, 2026 | 14,000 | Acquired |
| July 21, 2016 | CRVO | Stock Option (Right to Buy) | Common Stock (58,473) | $0.90 | July 21, 2026 | 58,473 | Acquired |
| Jan. 8, 2016 | CRVO | Stock Option (Right to Buy) | Common Stock (98,621) | $0.22 | May 17, 2022 | 98,621 | Acquired |
| Jan. 8, 2016 | CRVO | Stock Option (Right to Buy) | Common Stock (91,316) | $0.22 | Oct. 9, 2022 | 91,316 | Acquired |
| Jan. 8, 2016 | CRVO | Stock Option (Right to Buy) | Common Stock (182,632) | $0.62 | Oct. 5, 2023 | 182,632 | Acquired |
| Jan. 8, 2016 | CRVO | Stock Option (Right to Buy) | Common Stock (182,632) | $0.42 | Dec. 1, 2024 | 182,632 | Acquired |
| Jan. 8, 2016 | CRVO | Stock Option (Right to Buy) | Common Stock (365,265) | $0.55 | Oct. 30, 2025 | 365,265 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).