Attovia Therapeutics (ATTO) CMO Hubert Chen discloses stock and option positions
Rhea-AI Filing Summary
Attovia Therapeutics, Inc. reported the initial equity holdings of Chief Medical Officer Hubert Chen. As of August 4, 2026, he directly holds 2,960 shares of Common Stock and several stock options. These include options over 115,446 and 96,878 shares of Common Stock at an exercise price of $3.5302 per share expiring on May 8, 2034, and an option over 80,731 shares at an exercise price of $4.9237 per share expiring on May 17, 2035. Footnotes state that each option vests over four years: 25% of the underlying shares vested on specified dates in 2025 or 2026, with the remaining 1/48 of the total shares vesting in equal monthly installments over three years, subject to Dr. Chen’s continued service.
Positive
- None.
Negative
- None.
Insider Trade Summary
4 transactions reported
Mixed
4 txns
Insider
Chen Hubert
Role
Chief Medical Officer
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| holding | Stock Option (Right to Buy) F1 | -- | -- | -- |
| holding | Stock Option (Right to Buy) F2 | -- | -- | -- |
| holding | Stock Option (Right to Buy) F3 | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Stock Option (Right to Buy) — 293,055 shares (Direct);
Common Stock — 2,960 shares (Direct)
Footnotes (3)
- F1. The option vests over a four-year period. The vesting schedule is as follows: 25% of the shares of common stock underlying the stock option vested on March 20, 2025, and an additional 1/48th of the total shares underlying the stock option vest in equal monthly installments over three years, subject to continued service to the Issuer through such date.
- F2. The option vests over a four-year period. The vesting schedule is as follows: 25% of the shares of common stock underlying the stock option vested on May 9, 2025, and an additional 1/48th of the total shares underlying the stock option vest in equal monthly installments over three years, subject to continued service to the Issuer through such date.
- F3. The option vests over a four-year period. The vesting schedule is as follows: 25% of the shares of common stock underlying the stock option vested on May 18, 2026, and an additional 1/48th of the total shares underlying the stock option vest in equal monthly installments over three years, subject to continued service to the Issuer through such date.
Key Figures
Direct Common Stock holdings: 2,960 shares
Option underlying shares (grant 1): 115,446 shares
Option underlying shares (grant 2): 96,878 shares
+5 more
8 metrics
Direct Common Stock holdings
2,960 shares
Common Stock directly held by Hubert Chen following the reported holdings as of August 4, 2026
Option underlying shares (grant 1)
115,446 shares
Common Stock underlying stock option at $3.5302 exercise price expiring May 8, 2034
Option underlying shares (grant 2)
96,878 shares
Common Stock underlying stock option at $3.5302 exercise price expiring May 8, 2034
Option underlying shares (grant 3)
80,731 shares
Common Stock underlying stock option at $4.9237 exercise price expiring May 17, 2035
Exercise price (grants 1 & 2)
$3.5302 per share
Exercise price for two stock option positions over 115,446 and 96,878 shares
Exercise price (grant 3)
$4.9237 per share
Exercise price for stock option position over 80,731 underlying Common Stock shares
Initial vesting portion
25% of underlying shares
Portion of each option that vested on specified dates in 2025 or 2026
Ongoing vesting rate
1/48 per month
Remaining option shares vest monthly over three years, subject to continued service
Key Terms
Stock Option (Right to Buy), underlying security shares, exercise price, vesting schedule, +1 more
5 terms
Stock Option (Right to Buy) financial
"security_title: Stock Option (Right to Buy) with underlying Common Stock"
exercise price financial
"conversion_or_exercise_price: 3.5302 disclosed for stock options"
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
vesting schedule financial
"The option vests over a four-year period. The vesting schedule is as follows"
A vesting schedule is a timeline that determines when someone gains full ownership of certain benefits, such as company stock or retirement contributions. Think of it like earning the right to own a gift gradually over time, rather than receiving it all at once. It matters to investors because it affects when they can fully access or sell these benefits, influencing their financial planning and decision-making.
continued service financial
"vest in equal monthly installments over three years, subject to continued service"
AI-generated analysis. How Rhea-AI works. Not financial advice.
FAQ
What insider holdings did ATTO report for Chief Medical Officer Hubert Chen on Form 3?
The Form 3 shows 2,960 Common Stock shares held directly and stock options over 115,446, 96,878, and 80,731 Common Stock shares at exercise prices of $3.5302 and $4.9237 per share.
What are the exercise prices of Hubert Chen’s ATTO stock options?
Dr. Chen holds options over Common Stock with exercise prices of $3.5302 per share (two grants) and $4.9237 per share (one grant), each disclosed with specific expiration dates in 2034 and 2035, respectively.
What is the vesting schedule of Hubert Chen’s ATTO stock options?
Each option vests over four years: 25% of the underlying shares vested on March 20, 2025, May 9, 2025, or May 18, 2026, respectively, with the remaining 1/48 vesting monthly over three years, subject to continued service.
When do Hubert Chen’s Attovia (ATTO) stock options expire?
The options with a $3.5302 exercise price expire on May 8, 2034, and the option with a $4.9237 exercise price expires on May 17, 2035, according to the Form 3 derivative holdings table.
Does the ATTO Form 3 show any recent insider buy or sell transactions by Hubert Chen?
No specific buy or sell codes are reported. The entries are presented as holdings of Common Stock and stock options, with no transaction direction indicated in the structured data for this Form 3.