| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Silberstein David S. | Director | 1920 MCKINNEY AVENUE, 7TH FLOOR, DALLAS | /s/ David S. Silberstein | 22 Sep 2025 | 0001812659 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LTRN | Stock Option (Right to Buy) | Disposed to Issuer | $0 | -9,135 | -100% | $0.000000 | 0 | 15 Jun 2020 | Common Stock | 9,135 | $15.00 | Direct | F1 |
| transaction | LTRN | Stock Option (Right to Buy) | Award | $0 | +9,135 | $0.000000 | 9,135 | 15 Jun 2020 | Common Stock | 9,135 | $5.04 | Direct | F1 | |
| transaction | LTRN | Stock Option (Right to Buy) | Disposed to Issuer | $0 | -3,200 | -100% | $0.000000 | 0 | 04 Nov 2021 | Common Stock | 3,200 | $10.32 | Direct | F2 |
| transaction | LTRN | Stock Option (Right to Buy) | Award | $0 | +3,200 | $0.000000 | 3,200 | 04 Nov 2021 | Common Stock | 3,200 | $5.04 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | The two reported transactions involve an amendment of an outstanding option for purposes of reducing the option exercise price, resulting in the cancellation of the "old" option and the grant of a replacement option. The option was originally granted on June 15, 2020 and provides for vesting in equal monthly increments over a 36-month period commencing July 15, 2020. |
| F2 | The two reported transactions involve an amendment of an outstanding option for purposes of reducing the option exercise price, resulting in the cancellation of the "old" option and the grant of a replacement option. The option was originally granted on November 4, 2021 and provides for vesting in equal monthly increments over a 36-month period commencing December 4, 2021. |