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A

$ Value

$0

Shares

48,800

Price

$0

Filed

Sep 29

Insider

Name

GILL JOHN

Title

CIK

0001409939

Roles

Director

Transaction Details

Transaction Date

2025-09-25

Code

A

Table

Derivative

Ownership

Direct

Equity Swap

No

Shares After

48,800

Footnotes

Represents a bona fide gift of 2,714 shares of common stock made on January 6, 2022. | Certain Section 16 reports previously filed by the reporting person inadvertently overstated the reporting person's direct common stock ownership by 57 shares. As of the date of this filing, the reporting person does not hold any shares of common stock directly or indirectly. | The shares underlying the option become vested and exercisable in substantially equal monthly installments over the 12 months following September 25, 2025, subject to the reporting person's continued service through the applicable vesting date.

Filing Info

Accession No.

0001104659-25-094493

Form Type

4

Issuer CIK

0001326190

GILL JOHN's History

Date Ticker Type Value
2026-04-06 ALT $31K
2025-12-23 ALT $51K
2025-09-25 ALT A $0
2022-01-06 ALT G $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