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Inhibrx Biosciences, Inc.

INBX · CIK 0002007919

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SEC FORM 4
$500,000.00

Inhibrx Biosciences, Inc. (INBX)

Purchase of 5,000 shares at $100 per share.

Reporting Person Kayyem Jon Faiz · Transaction Code P

Traded Sep 23, 2026 · Disclosed Sep 23, 2026

Source: SEC Form 4 · 0001366268-26-000011 · filed 2026-09-23 · View filing →

SEC FORM 4
$500,000.00

Inhibrx Biosciences, Inc. (INBX)

Purchase of 5,000 shares at $100 per share.

Reporting Person Kayyem Jon Faiz · Transaction Code P

Traded Sep 16, 2026 · Disclosed Sep 17, 2026

Source: SEC Form 4 · 0001366268-26-000006 · filed 2026-09-17 · View filing →

SEC FORM 4
$52,525.00

Inhibrx Biosciences, Inc. (INBX)

Sale of 500 shares at $105.05 per share.

Reporting Person MANHARD KIMBERLY · Transaction Code S

Traded Sep 15, 2026 · Disclosed Sep 15, 2026

Source: SEC Form 4 · 0001202094-26-000006 · filed 2026-09-15 · View filing →

SEC FORM 4
$55,130.00

Inhibrx Biosciences, Inc. (INBX)

Sale of 500 shares at $110.26 per share.

Reporting Person MANHARD KIMBERLY · Transaction Code S

Traded Sep 14, 2026 · Disclosed Sep 15, 2026

Source: SEC Form 4 · 0001202094-26-000006 · filed 2026-09-15 · View filing →

SEC FORM 4
$55,887.50

Inhibrx Biosciences, Inc. (INBX)

Sale of 500 shares at $111.775 per share.

Reporting Person MANHARD KIMBERLY · Transaction Code S

Traded Sep 11, 2026 · Disclosed Sep 15, 2026

Source: SEC Form 4 · 0001202094-26-000006 · filed 2026-09-15 · View filing →

SEC FORM 4
$57,897.50

Inhibrx Biosciences, Inc. (INBX)

Sale of 500 shares at $115.795 per share.

Reporting Person MANHARD KIMBERLY · Transaction Code S

Traded Sep 9, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0001202094-26-000004 · filed 2026-09-10 · View filing →

SEC FORM 4
$57,570.00

Inhibrx Biosciences, Inc. (INBX)

Sale of 500 shares at $115.14 per share.

Reporting Person MANHARD KIMBERLY · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0001202094-26-000004 · filed 2026-09-10 · View filing →

SEC FORM 4CLUSTER · 3 INSIDERS
$3,499,596.56

Inhibrx Biosciences, Inc. (INBX)

Purchase of 32,500 shares across 3 reporting persons.

Transaction Code P · Reporting Persons 3

  • FORSYTH DOUGLASPurchase of 2,500 shares at $114.6469 per share.$286,617.25
  • Lappe Mark, Chief Executive OfficerPurchase of 5,895 shares at $99.2948 per share.$585,342.85
  • Lappe Mark, Chief Executive OfficerPurchase of 6,605 shares at $100.6388 per share.$664,719.27
  • Lappe Mark, Chief Executive OfficerPurchase of 1,100 shares at $107.1239 per share.$117,836.29
  • Lappe Mark, Chief Executive OfficerPurchase of 500 shares at $108.235 per share.$54,117.50
  • Lappe Mark, Chief Executive OfficerPurchase of 1,219 shares at $111.8805 per share.$136,382.33
  • Lappe Mark, Chief Executive OfficerPurchase of 9,681 shares at $112.2819 per share.$1,087,001.07
  • Kayyem Jon FaizPurchase of 5,000 shares at $113.516 per share.$567,580.00

Surfaced by rule: 3 distinct insiders, open-market purchases, 7-day window — a deterministic filter, not a recommendation.

Traded Sep 8, 2026 · Disclosed Sep 8, 2026

Source: SEC Form 4 · 0001240801-26-000004 · filed 2026-09-08 · View filing →

Source: SEC Form 4 · 0001366074-26-000002 · filed 2026-09-08 · View filing →

Source: SEC Form 4 · 0001366268-26-000004 · filed 2026-09-08 · View filing →

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