M
$ Value
$0
Shares
42,050
Price
$0
Filed
Jan 27
Insider
Name
Garg Vipin K
Title
—
CIK
0001515813
Roles
Director
Transaction Details
Transaction Date
2026-01-25
Code
M
Table
Derivative
Ownership
Direct
Equity Swap
No
Shares After
84,100
Footnotes
Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.0001, when vested. | Vesting transaction: Shares surrendered to the Issuer solely to cover taxes associated with vesting of RSUs. | The RSUs vest in substantially equal annual installments over the 4 years following January 25, 2024, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.
Filing Info
Garg Vipin K's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-01-31 | ALT | A | $21K |
| 2026-01-30 | ALT | M | $0 |
| 2026-01-30 | ALT | F | $65K |
| 2026-01-30 | ALT | M | $0 |
| 2026-01-27 | ALT | M | $0 |
| 2026-01-27 | ALT | F | $111K |
| 2026-01-27 | ALT | M | $0 |
| 2026-01-25 | ALT | M | $0 |
| 2026-01-25 | ALT | F | $99K |
| 2026-01-25 | ALT | M | $0 |
Other Insiders at ALT (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
|
Durso Jerome Benedict
President and CEO
|
$47K | — | 2026-04-01 |
|
WEAVER GREGORY L
Chief Financial Officer
|
$31K | — | 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 |