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M

$ Value

$0

Shares

9,275

Price

$0

Filed

Feb 3

Insider

Name

Roberts M Scot

Title

Chief Scientific Officer

CIK

0001705905

Roles

Officer

Transaction Details

Transaction Date

2026-01-30

Code

M

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

104,670

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. | These shares were purchased due to participation by the reporting individual in the Issuer's 2019 Employee Stock Purchase Plan ("ESPP"). It pertains to the ESPP purchase period from August 1, 2025 through January 31, 2026. | In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the Issuer's common stock on August 1, 2025. | The RSUs become vested in substantially equal annual installments over the 4 years following January 30, 2023, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date. | The RSUs become vested in substantially equal annual installments over the 4 years following February 2, 2022, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.

Filing Info

Accession No.

0001705905-26-000006

Form Type

4

Issuer CIK

0001326190

Roberts M Scot's History

Date Ticker Type Value
2026-02-26 ALT A $0
2026-02-26 ALT A $0
2026-02-02 ALT M $0
2026-02-02 ALT F $13K
2026-02-02 ALT M $0
2026-01-31 ALT A $17K
2026-01-30 ALT M $0
2026-01-30 ALT F $16K
2026-01-30 ALT M $0
2026-01-27 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