$ Value
$0
Shares
259,000
Price
$0
Filed
Feb 27
Insider
Name
WEAVER GREGORY L
Title
Chief Financial Officer
CIK
0001251779
Roles
Transaction Details
Transaction Date
2026-02-26
Code
A
Table
Derivative
Ownership
Direct
Equity Swap
No
Shares After
259,000
Footnotes
The shares underlying the option become vested and exercisable over four (4) years with 25% of the shares vesting on February 26, 2027, with the remainder vesting in equal monthly installments for the following thirty-six (36) months, subject to the reporting person's continued service on each applicable vesting date. | Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.0001, when vested. | The RSUs become vested over four (4) years with 25% of the shares vesting February 26, 2027, with the remainder vesting in equal annual installments for the following three (3) years, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.
Filing Info
WEAVER GREGORY L's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-04-01 | ALT | ▲ | $31K ★ |
| 2026-03-06 | ALT | ▲ | $18K |
| 2026-02-26 | ALT | A | $0 |
| 2026-02-26 | ALT | A | $0 |
| 2025-11-11 | ALT | M | $0 |
| 2025-11-11 | ALT | F | $24K |
| 2025-11-11 | ALT | M | $0 |
| 2025-10-01 | ALT | A | $0 |
| 2025-10-01 | ALT | A | $0 |
Other Insiders at ALT (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
|
Durso Jerome Benedict
President and CEO
|
$118K | — | 2026-04-01 |
|
WEAVER GREGORY L
Chief Financial Officer
|
$49K | — | 2026-04-01 |
| GILL JOHN | $31K | — | 2026-04-06 |
| Garg Vipin K | — | — | 2026-01-31 |
|
Roberts M Scot
Chief Scientific Officer
|
— | — | 2026-02-26 |
|
Jordt Raymond M
Chief Business Officer
|
— | — | 2026-01-31 |