| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Malenka Robert C. | Director | C/O MAPLIGHT THERAPEUTICS, INC., 800 CHESAPEAKE DRIVE, REDWOOD CITY | /s/ Kristopher L. Hanson, Attorney-in-Fact | 27 Oct 2025 | 0002021198 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | MPLT | Voting Common Stock | 365,281 | 25 Oct 2025 | Direct | F1, F2 | |||||
| holding | MPLT | Voting Common Stock | 27,777 | 25 Oct 2025 | See footnote | F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | MPLT | Series C Preferred Stock | 25 Oct 2025 | Voting Common Stock | 3,895 | See footnote | F3, F4 | |||||||
| holding | MPLT | Stock Option (Right to Buy) | 25 Oct 2025 | Voting Common Stock | 25,892 | $5.55 | Direct | F5 | ||||||
| holding | MPLT | Stock Option (Right to Buy) | 25 Oct 2025 | Voting Common Stock | 22,321 | $5.55 | Direct | F6 |
| Id | Content |
|---|---|
| F1 | Includes 336,317 Restricted Stock Units (RSUs). Of the RSUs, (i) as to 84,517 RSUs, 51,062 vested in connection with the Issuer's IPO and the remainder will vest in quarterly installments through July 1, 2027; (ii) as to 44,900 RSUs, 24,321 vested in connection with the Issuer's IPO and the remainder will vest in quarterly installments through October 1, 2027; (iii) as to 145,570 RSUs, 63,687 vested in connection with the Issuer's IPO and the remainder will vest in quarterly installments through January 1, 2028; and (iv) as to 61,330 RSUs, 14/48ths will vest on July 1, 2026 and the remainder will vest in 12 quarterly installments thereafter. With respect to all RSUs, vesting is subject to the Reporting Person's continued service through each vesting date. |
| F2 | Each RSU represents a contingent right to receive one share of voting common stock of the Issuer. |
| F3 | The shares are held by the Robert C. Malenka Living Trust U/A DTD 08/21/2012, of which the Reporting Person is the sole trustee and has voting and dispositive power. |
| F4 | The Series C Preferred Stock is convertible on a 1-for-16.8 basis into voting common stock at any time at the holder's election and will convert automatically upon the closing of the Issuer's IPO and has no expiration date. |
| F5 | Fully vested. |
| F6 | This stock option vests over a period of four years, with 1/4th of the shares underlying the option vested on the one-year anniversary of March 11, 2022, the vesting commencement date, and 1/48th of the shares underlying the option vesting on a monthly basis thereafter, subject to the Reporting Person's continued service through each vesting date. |