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Company

Eton Pharmaceuticals, Inc.

ETON · CIK 0001710340

SEC FORM 4
$189,000.00

Eton Pharmaceuticals, Inc. (ETON)

Acquisition (code M) of 50,000 shares at $3.78 per share.

Reporting Person MAIER PAUL V · Transaction Code M

Traded Aug 28, 2026 · Disclosed Aug 31, 2026

Source: SEC Form 4 · 0001437749-26-029308 · filed 2026-08-31 · View filing →

SEC FORM 4
$2,133,733.68

Eton Pharmaceuticals, Inc. (ETON)

Sale of 36,387 shares at $58.64 per share.

Reporting Person MAIER PAUL V · Transaction Code S

Traded Aug 28, 2026 · Disclosed Aug 31, 2026

Source: SEC Form 4 · 0001437749-26-029308 · filed 2026-08-31 · View filing →

SEC FORM 4
$811,931.85

Eton Pharmaceuticals, Inc. (ETON)

Sale of 13,485 shares at $60.21 per share.

Reporting Person MAIER PAUL V · Transaction Code S

Traded Aug 28, 2026 · Disclosed Aug 31, 2026

Source: SEC Form 4 · 0001437749-26-029308 · filed 2026-08-31 · View filing →

SEC FORM 4
$7,906.56

Eton Pharmaceuticals, Inc. (ETON)

Sale of 128 shares at $61.77 per share.

Reporting Person MAIER PAUL V · Transaction Code S

Traded Aug 28, 2026 · Disclosed Aug 31, 2026

Source: SEC Form 4 · 0001437749-26-029308 · filed 2026-08-31 · View filing →

SEC FORM 4
$91,375.00

Eton Pharmaceuticals, Inc. (ETON)

Acquisition (code M) of 12,500 shares at $7.31 per share.

Reporting Person MAIER PAUL V · Transaction Code M

Traded Aug 28, 2026 · Disclosed Aug 31, 2026

Source: SEC Form 4 · 0001437749-26-029308 · filed 2026-08-31 · View filing →

SEC FORM 4
$182,750.00

Eton Pharmaceuticals, Inc. (ETON)

Acquisition (code M) of 25,000 shares at $7.31 per share.

Reporting Person Krempa David · Officer Title Chief Business Officer · Transaction Code M

Traded Aug 24, 2026 · Disclosed Aug 24, 2026

Source: SEC Form 4 · 0001437749-26-028846 · filed 2026-08-24 · View filing →

SEC FORM 4
$1,626,750.00

Eton Pharmaceuticals, Inc. (ETON)

Sale of 25,000 shares at $65.07 per share.

Reporting Person Krempa David · Officer Title Chief Business Officer · Transaction Code S

Traded Aug 24, 2026 · Disclosed Aug 24, 2026

Source: SEC Form 4 · 0001437749-26-028846 · filed 2026-08-24 · View filing →

SEC FORM 4
$2,846,462.19

Eton Pharmaceuticals, Inc. (ETON)

Sale of 47,307 shares at $60.17 per share.

Reporting Person BRYNJELSEN SEAN · Officer Title President & CEO · Transaction Code S

Traded Aug 20, 2026 · Disclosed Aug 20, 2026

Source: SEC Form 4 · 0001437749-26-028651 · filed 2026-08-20 · View filing →

SEC FORM 4
$2,222,754.03

Eton Pharmaceuticals, Inc. (ETON)

Sale of 36,373 shares at $61.11 per share.

Reporting Person BRYNJELSEN SEAN · Officer Title President & CEO · Transaction Code S

Traded Aug 20, 2026 · Disclosed Aug 20, 2026

Source: SEC Form 4 · 0001437749-26-028651 · filed 2026-08-20 · View filing →

SEC FORM 4
$456,085.04

Eton Pharmaceuticals, Inc. (ETON)

Sale of 7,342 shares at $62.12 per share.

Reporting Person BRYNJELSEN SEAN · Officer Title President & CEO · Transaction Code S

Traded Aug 20, 2026 · Disclosed Aug 20, 2026

Source: SEC Form 4 · 0001437749-26-028651 · filed 2026-08-20 · View filing →

SEC FORM 4
$562,471.70

Eton Pharmaceuticals, Inc. (ETON)

Sale of 8,978 shares at $62.65 per share.

Reporting Person BRYNJELSEN SEAN · Officer Title President & CEO · Transaction Code S

Traded Aug 19, 2026 · Disclosed Aug 20, 2026

Source: SEC Form 4 · 0001437749-26-028651 · filed 2026-08-20 · View filing →