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SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•33 filings

MGNX

MACROGENICS INC

Net sales of $129.1K 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

−$129,086

0 buyers · 1 sellers

12-month purchases

$0.00

0 distinct insiders

12-month sales

$129,086

1 distinct insiders

Highlighted alerts

2

1 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.

100
Raw transactions
Everything returned by the filing
3
Voluntary view
P/S trades after deterministic checks
99
Administrative noise
Stored, never alerted
1
10b5-1
Shown as informational
SEC ownership XML facts
Code
M
Shares
8,000
Price
$2.60
Footnotes
2

The transaction represents an exercise and hold of options. 12.5% of the shares underlying the grant become exercisable 6 months after the date of grant and an additional 6.25% of the shares underlying the grant become exercisable on the first day of each three-month period thereafter.

Raspberry interpretation
Informational — no alert

Reason: administrative_code.

Verify in SEC EDGAR

Recent transactions

Voluntary purchases and sales; administrative noise stays hidden.

3 transactions

Peters Jeffrey Stuart

Senior VP, GC, and Secretary

Sale 10b5-1
Shares
31,105
Price
$4.15
Value
$129,086
Open SEC filing

HEIDEN WILLIAM K

Director

PurchaseAlert
Shares
49,500
Price
$1.49
Value
$73,755
Open SEC filing

HEIDEN WILLIAM K

Director

PurchaseAlert
Shares
50,500
Price
$1.52
Value
$76,760
Open SEC filing

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