Maria Grazia Roncarolo
CIK 1811671 · View on SEC EDGAR ↗
Insider
First SEC filing: June 12, 2025 · Latest: June 12, 2025
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 9 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 10, 2025 | ATRA | A | 7,828 | — | — | 17,368 Direct | +82.05% | Acquired | (price as of 2026-08-21) |
| March 31, 2024 | ATRA | A | 150,000 | — | — | 238,500 Direct | +169.49% | Acquired | (price as of 2026-08-21) |
| May 31, 2023 | ATRA | A | 79,500 | — | — | 79,500 Direct | — | Acquired | (price as of 2026-08-21) |
| May 31, 2023 | ATRA | A | 57,000 | — | — | 88,500 Direct | +180.95% | Acquired | (price as of 2026-08-21) |
| June 23, 2022 | ATRA | A | 31,500 | — | — | 31,500 Direct | — | Acquired | (price as of 2026-08-21) |
| June 23, 2022 | ATRA | A | 20,500 | — | — | 31,500 Direct | +186.36% | Acquired | (price as of 2026-08-21) |
| June 8, 2021 | ATRA | A | 17,500 | — | — | 17,500 Direct | — | Acquired | (price as of 2026-08-21) |
| June 8, 2021 | ATRA | A | 11,000 | — | — | 11,000 Direct | — | Acquired | (price as of 2026-08-21) |
| May 11, 2020 | ATRA | A | 59,500 | — | — | 59,500 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 |
|---|---|---|---|---|---|---|---|
| May 31, 2023 | ATRA | Non-Qualified Stock Option (Right to Buy) | Common Stock (79,500) | $1.53 | May 30, 2033 | 79,500 | Acquired |
| June 23, 2022 | ATRA | Non-Qualified Stock Option (Right to Buy) | Common Stock (31,500) | $7.35 | June 22, 2032 | 31,500 | Acquired |
| June 8, 2021 | ATRA | Non-Qualified Stock Option (Right to Buy) | Common Stock (17,500) | $13.80 | June 7, 2031 | 17,500 | Acquired |
| May 11, 2020 | ATRA | Non-Qualified Stock Option (Right to Buy) | Common Stock (59,500) | $10.25 | May 10, 2030 | 59,500 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).