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SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•48 filings

AMLX

Amylyx Pharmaceuticals, Inc.

Net sales of $830.9K over the last 3 months

1 seller account for the net balance. There is no cluster of three distinct buyers within 30 days. We found no CEO/CFO purchases over 12 months.

How to read this signal

Only open-market P purchases and S sales count toward the signal. Vesting, options, taxes and gifts remain in the source data but do not trigger alerts. Rule 10b5-1 trades are shown as informational.

JSON example

3-month balance

−$830,904

0 buyers · 1 sellers

12-month purchases

$152,183

1 distinct insiders

12-month sales

$1,369,772

2 distinct insiders

Highlighted alerts

2

5 Rule 10b5-1 trades treated as informational

Buying cluster · 30 days

Fewer than three distinct buyers

CEO/CFO purchases · 12 months

No executive purchases found

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Form 4 raw → Raspberry

The value is in what we do not call a signal.

The SEC XML stores every transaction. Raspberry keeps that evidence, reads the footnotes and separates voluntary open-market activity from vesting, option exercises, gifts, tax withholding, stock purchase and dividend reinvestment plans and pre-programmed 10b5-1 trades.

75
Raw transactions
Everything returned by the filing
7
Voluntary view
P/S trades after deterministic checks
68
Administrative noise
Stored, never alerted
5
10b5-1
Shown as informational
SEC ownership XML facts
Code
S
Shares
2,081
Price
$33.09
Footnotes
3

Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of performance stock units. Such sales were automatic and not at the discretion of the Reporting Person. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $31.76 to $32.68. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $32.85 to $33.29. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff upon request.

Raspberry interpretation
Informational — no alert

Reason: tax_withholding. The filing footnotes identify tax withholding.

Verify in SEC EDGAR

Recent transactions

Voluntary purchases and sales; administrative noise stays hidden.

7 transactions

MILNE GEORGE M JR

Director

Sale 10b5-1
Shares
30,000
Price
$27.70
Value
$830,904
Open SEC filing

Mazzariello Gina

Chief Legal Officer

Sale 10b5-1
Shares
15,000
Price
$17.61
Value
$264,122
Open SEC filing

Mazzariello Gina

Chief Legal Officer

Sale 10b5-1
Shares
15,000
Price
$18.32
Value
$274,746
Open SEC filing

Firestone Karen

Director

PurchaseAlert
Shares
3,800
Price
$13.51
Value
$51,338
Open SEC filing

Firestone Karen

Director

PurchaseAlert
Shares
8,100
Price
$12.45
Value
$100,845
Open SEC filing

Mazzariello Gina

Chief Legal Officer

Sale 10b5-1
Shares
15,000
Price
$8.34
Value
$125,046
Open SEC filing

Mazzariello Gina

Chief Legal Officer

Sale 10b5-1
Shares
15,000
Price
$8.07
Value
$121,103
Open SEC filing

“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.