United States Biotechnology & Medical Research

MBX Biosciences Inc (MBX)

MBX Biosciences Inc. experienced three insider trading transactions over the past ninety days, resulting in a net negative value of approximately $20,127. Chief Medical Officer Salomon Azoulay executed these sales. This activity follows a recent earnings report where the firm exceeded expectations by 21.25 percent, despite the stock price declining 22.4 percent during this period.
Ticker: MBX Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
1.8
Azoulay Salomon Chief Medical Officer Officer
Transaction date
Sale
Price
338.48
Quantity 53,373 -35.7%
Value US$3,727,761
1.8
Azoulay Salomon Officer Officer
Transaction date
Proposed sale
Price
84.98
Quantity 89,857
Value US$2,208,823
3.5
Hawryluk P. Kent Former Officer Officer
Transaction date
Proposed sale
Price
424.61
Quantity 94,801
Value US$716,160
1.8
Azoulay Salomon Chief Medical Officer Officer
Transaction date
Sale
Price
65.77
Quantity 370 -2.5%
Value US$24,335
3.5
Hawryluk P. Kent Officer; Director Executive Director
Transaction date
Proposed sale
Price
65.77
Quantity 936
Value US$61,563
1.8
Azoulay Salomon Officer Officer
Transaction date
Proposed sale
Price
65.77
Quantity 370
Value US$24,336
Bartram Richard Former Officer Officer
Transaction date
Proposed sale
Price
30.55
Quantity 9,167
Value US$280,010
Bartram Richard Former Officer Officer
Transaction date
Proposed sale
Price
29.66
Quantity 10,833
Value US$321,273
Bartram Richard Former Officer Officer
Transaction date
Proposed sale
Price
29.66
Quantity 10,833
Value US$321,273
Bartram Richard Former Officer Officer
Transaction date
Proposed sale
Price
36.95
Quantity 15,000
Value US$554,296
Bartram Richard Former Officer Officer
Transaction date
Proposed sale
Price
44.08
Quantity 22,500
Value US$991,901
1.8
Azoulay Salomon Chief Medical Officer Officer
Transaction date
Planned sale
Price
38.30
Quantity 15,003 -50.4%
Value US$574,615
1.8
Azoulay Salomon Chief Medical Officer Officer
Transaction date
Planned sale
Price
38.38
Quantity 55,000 -78.8%
Value US$2,110,900
1.8
Azoulay Salomon Officer Officer
Transaction date
Proposed sale
Price
38.37
Quantity 70,003
Value US$2,685,679
Bartram Richard Former Officer Officer
Transaction date
Proposed sale
Price
37.96
Quantity 10,000
Value US$379,562
Bartram Richard Former Officer Officer
Transaction date
Proposed sale
Price
32.21
Quantity 10,000
Value US$322,050
1.8
Azoulay Salomon Chief Medical Officer Officer
Transaction date
Sale
Price
29.54
Quantity 231 -1.5%
Value US$6,824
3.5
Hawryluk P. Kent President & CEO Executive Director
Transaction date
Sale
Price
29.54
Quantity 607 -0.1%
Value US$17,931
3.5
Hawryluk P. Kent Officer; Director Executive Director
Transaction date
Proposed sale
Price
29.54
Quantity 607
Value US$17,934
1.8
Azoulay Salomon Officer Officer
Transaction date
Proposed sale
Price
29.54
Quantity 231
Value US$6,825
Bartram Richard Former Officer Officer
Transaction date
Proposed sale
Price
31.80
Quantity 5,000
Value US$159,000
Bartram Richard Former Officer Officer
Transaction date
Proposed sale
Price
32.75
Quantity 10,423
Value US$341,378
Bartram Richard Former Officer Officer
Transaction date
Proposed sale
Price
28.48
Quantity 1,061
Value US$30,217
Bartram Richard Former Officer Officer
Transaction date
Proposed sale
Price
30.05
Quantity 10,000
Value US$300,471
3.5
Hawryluk P. Kent President & CEO Executive Director
Transaction date
Purchase
Price
28.41
Quantity 18,500 +4.0%
Value US$525,663
CORNELIUS JAMES M Former Director Non-Executive Director
Transaction date
Proposed sale
Price
35.74
Quantity 30,864
Value US$1,102,991
3.5
Hawryluk P. Kent President & CEO Executive Director
Transaction date
Purchase
Price
13.64
Quantity 20,000 +4.5%
Value US$272,790
3.7
Hoerter Steven L. Non-Executive Director
Transaction date
Purchase
Price
13.25
Quantity 20,000 New position
Value US$264,984
3.8
Heron Patrick J Non-Executive Director Large shareholder
Transaction date
Purchase
Price
18.00
Quantity 666,666 +14.6%
Value US$11,999,988
3.4
Pescovitz Ora H. Non-Executive Director
Transaction date
Purchase
Price
5.89
Quantity 7,693 +46.2%
Value US$45,312
2.6
ORBIMED ADVISORS LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
10.84
Quantity 94,100 +14.4%
Value US$1,020,044
2.6
ORBIMED ADVISORS LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
10.84
Quantity 49,070 +1.5%
Value US$531,919
1.5
GORDON CARL L Non-Executive Director Large shareholder
Transaction date
Purchase
Price
10.84
Quantity 94,100 +14.4%
Value US$1,020,044
1.5
GORDON CARL L Non-Executive Director Large shareholder
Transaction date
Purchase
Price
10.84
Quantity 49,070 +1.5%
Value US$531,919
2.6
ORBIMED ADVISORS LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
9.85
Quantity 29,540 +0.9%
Value US$290,969
2.6
ORBIMED ADVISORS LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
9.90
Quantity 17,962 +0.6%
Value US$177,824
1.5
GORDON CARL L Non-Executive Director Large shareholder
Transaction date
Purchase
Price
9.85
Quantity 29,540 +0.9%
Value US$290,969
1.5
GORDON CARL L Non-Executive Director Large shareholder
Transaction date
Purchase
Price
9.90
Quantity 17,962 +0.6%
Value US$177,824
3.5
Hawryluk P. Kent President & CEO Executive Director
Transaction date
Purchase
Price
10.69
Quantity 50,000 +12.6%
Value US$534,500
3.3
Yang Rick Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 500,000 +16.1%
Value US$8,000,000
2.4
SANDELL SCOTT D Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 500,000 +16.1%
Value US$8,000,000
2.7
Florence Anthony A. Jr. Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 500,000 +16.1%
Value US$8,000,000
2.6
ORBIMED ADVISORS LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 250,000 +61.9%
Value US$4,000,000
2.6
ORBIMED ADVISORS LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 500,000 +18.8%
Value US$8,000,000
2.5
BASKETT FOREST Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 500,000 +16.1%
Value US$8,000,000
3.6
Chang Carmen Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 500,000 +16.1%
Value US$8,000,000
2.8
Makhzoumi Mohamad Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 500,000 +16.1%
Value US$8,000,000
3.9
Walker Paul Edward Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 500,000 +16.1%
Value US$8,000,000
3.3
Mathers Edward T Non-Executive Director Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 500,000 +16.1%
Value US$8,000,000
1.6
Behbahani Ali Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 500,000 +16.1%
Value US$8,000,000
3.8
Heron Patrick J Non-Executive Director Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 625,000 +15.9%
Value US$10,000,000
Aynechi Tiba Non-Executive Director
Transaction date
Purchase
Price
16.00
Quantity 750,000 +54.1%
Value US$12,000,000
1.5
GORDON CARL L Non-Executive Director Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 250,000 +61.9%
Value US$4,000,000
1.5
GORDON CARL L Non-Executive Director Large shareholder
Transaction date
Purchase
Price
16.00
Quantity 500,000 +18.8%
Value US$8,000,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-11-05 2026-11-04 S Sale
1.8
Azoulay Salomon

Chief Medical Officer

Officer
53,373 -35.7%
338.48
US$3,727,761 		53,373 -35.7% 338.48 US$3,727,761
2026-11-04 2026-11-04 PrS Proposed sale
1.8
Azoulay Salomon

Officer

Officer
89,857
84.98
US$2,208,823 		89,857 84.98 US$2,208,823
2026-08-17 2026-08-17 PrS Proposed sale
3.5
Hawryluk P. Kent

Former Officer

Officer
94,801
424.61
US$716,160 		94,801 424.61 US$716,160
2026-08-05 2026-08-04 S Sale
1.8
Azoulay Salomon

Chief Medical Officer

Officer
370 -2.5%
65.77
US$24,335 		370 -2.5% 65.77 US$24,335
2026-08-04 2026-08-04 PrS Proposed sale
3.5
Hawryluk P. Kent

Officer; Director

Executive Director
936
65.77
US$61,563 		936 65.77 US$61,563
2026-08-04 2026-08-04 PrS Proposed sale
1.8
Azoulay Salomon

Officer

Officer
370
65.77
US$24,336 		370 65.77 US$24,336
2026-06-10 2026-06-10 PrS Proposed sale
Bartram Richard

Former Officer

Officer
9,167
30.55
US$280,010 		9,167 30.55 US$280,010
2026-06-09 2026-06-09 PrS Proposed sale
Bartram Richard

Former Officer

Officer
10,833
29.66
US$321,273 		10,833 29.66 US$321,273
2026-06-09 2026-06-09 PrS Proposed sale
Bartram Richard

Former Officer

Officer
10,833
29.66
US$321,273 		10,833 29.66 US$321,273
2026-05-13 2026-05-13 PrS Proposed sale
Bartram Richard

Former Officer

Officer
15,000
36.95
US$554,296 		15,000 36.95 US$554,296
2026-05-11 2026-05-11 PrS Proposed sale
Bartram Richard

Former Officer

Officer
22,500
44.08
US$991,901 		22,500 44.08 US$991,901
2026-05-11 2026-05-08 PlS Planned sale
1.8
Azoulay Salomon

Chief Medical Officer

Officer
15,003 -50.4%
38.30
US$574,615 		15,003 -50.4% 38.30 US$574,615
2026-05-11 2026-05-08 PlS Planned sale
1.8
Azoulay Salomon

Chief Medical Officer

Officer
55,000 -78.8%
38.38
US$2,110,900 		55,000 -78.8% 38.38 US$2,110,900
2026-05-08 2026-05-08 PrS Proposed sale
1.8
Azoulay Salomon

Officer

Officer
70,003
38.37
US$2,685,679 		70,003 38.37 US$2,685,679
2026-05-08 2026-05-08 PrS Proposed sale
Bartram Richard

Former Officer

Officer
10,000
37.96
US$379,562 		10,000 37.96 US$379,562
2026-05-07 2026-05-07 PrS Proposed sale
Bartram Richard

Former Officer

Officer
10,000
32.21
US$322,050 		10,000 32.21 US$322,050
2026-05-08 2026-05-06 S Sale
1.8
Azoulay Salomon

Chief Medical Officer

Officer
231 -1.5%
29.54
US$6,824 		231 -1.5% 29.54 US$6,824
2026-05-08 2026-05-06 S Sale
3.5
Hawryluk P. Kent

President & CEO

Executive Director
607 -0.1%
29.54
US$17,931 		607 -0.1% 29.54 US$17,931
2026-05-06 2026-05-06 PrS Proposed sale
3.5
Hawryluk P. Kent

Officer; Director

Executive Director
607
29.54
US$17,934 		607 29.54 US$17,934
2026-05-06 2026-05-06 PrS Proposed sale
1.8
Azoulay Salomon

Officer

Officer
231
29.54
US$6,825 		231 29.54 US$6,825
2026-05-01 2026-05-01 PrS Proposed sale
Bartram Richard

Former Officer

Officer
5,000
31.80
US$159,000 		5,000 31.80 US$159,000
2026-04-22 2026-04-22 PrS Proposed sale
Bartram Richard

Former Officer

Officer
10,423
32.75
US$341,378 		10,423 32.75 US$341,378
2026-03-25 2026-03-25 PrS Proposed sale
Bartram Richard

Former Officer

Officer
1,061
28.48
US$30,217 		1,061 28.48 US$30,217
2026-03-16 2026-03-16 PrS Proposed sale
Bartram Richard

Former Officer

Officer
10,000
30.05
US$300,471 		10,000 30.05 US$300,471
2026-03-16 2026-03-13 B Purchase
3.5
Hawryluk P. Kent

President & CEO

Executive Director
18,500 +4.0%
28.41
US$525,663 		18,500 +4.0% 28.41 US$525,663
2026-01-12 2026-01-12 PrS Proposed sale
CORNELIUS JAMES M

Former Director

Non-Executive Director
30,864
35.74
US$1,102,991 		30,864 35.74 US$1,102,991
2025-10-21 2025-10-20 B Purchase
3.5
Hawryluk P. Kent

President & CEO

Executive Director
20,000 +4.5%
13.64
US$272,790 		20,000 +4.5% 13.64 US$272,790
2025-10-20 2025-10-17 B Purchase
3.7
Hoerter Steven L.
Non-Executive Director
20,000 New position
13.25
US$264,984 		20,000 New position 13.25 US$264,984
2025-09-30 2025-09-26 B Purchase
3.8
Heron Patrick J
Non-Executive Director Large shareholder
666,666 +14.6%
18.00
US$11,999,988 		666,666 +14.6% 18.00 US$11,999,988
2025-04-10 2025-04-08 B Purchase
3.4
Pescovitz Ora H.
Non-Executive Director
7,693 +46.2%
5.89
US$45,312 		7,693 +46.2% 5.89 US$45,312
2025-02-19 2025-02-18 B Purchase
2.6
ORBIMED ADVISORS LLC
Non-Executive Director Large shareholder
94,100 +14.4%
10.84
US$1,020,044 		94,100 +14.4% 10.84 US$1,020,044
2025-02-19 2025-02-18 B Purchase
2.6
ORBIMED ADVISORS LLC
Non-Executive Director Large shareholder
49,070 +1.5%
10.84
US$531,919 		49,070 +1.5% 10.84 US$531,919
2025-02-19 2025-02-18 B Purchase
1.5
GORDON CARL L
Non-Executive Director Large shareholder
94,100 +14.4%
10.84
US$1,020,044 		94,100 +14.4% 10.84 US$1,020,044
2025-02-19 2025-02-18 B Purchase
1.5
GORDON CARL L
Non-Executive Director Large shareholder
49,070 +1.5%
10.84
US$531,919 		49,070 +1.5% 10.84 US$531,919
2025-02-19 2025-02-14 B Purchase
2.6
ORBIMED ADVISORS LLC
Non-Executive Director Large shareholder
29,540 +0.9%
9.85
US$290,969 		29,540 +0.9% 9.85 US$290,969
2025-02-19 2025-02-14 B Purchase
2.6
ORBIMED ADVISORS LLC
Non-Executive Director Large shareholder
17,962 +0.6%
9.90
US$177,824 		17,962 +0.6% 9.90 US$177,824
2025-02-19 2025-02-14 B Purchase
1.5
GORDON CARL L
Non-Executive Director Large shareholder
29,540 +0.9%
9.85
US$290,969 		29,540 +0.9% 9.85 US$290,969
2025-02-19 2025-02-14 B Purchase
1.5
GORDON CARL L
Non-Executive Director Large shareholder
17,962 +0.6%
9.90
US$177,824 		17,962 +0.6% 9.90 US$177,824
2025-02-05 2025-02-04 B Purchase
3.5
Hawryluk P. Kent

President & CEO

Executive Director
50,000 +12.6%
10.69
US$534,500 		50,000 +12.6% 10.69 US$534,500
2024-09-17 2024-09-16 B Purchase
0.8
Frazier Life Sciences X, L.P.
Large shareholder
625,000 +15.9%
16.00
US$10,000,000 		625,000 +15.9% 16.00 US$10,000,000
2024-09-17 2024-09-16 B Purchase
3.3
Yang Rick
Large shareholder
500,000 +16.1%
16.00
US$8,000,000 		500,000 +16.1% 16.00 US$8,000,000
2024-09-17 2024-09-16 B Purchase
2.5
New Enterprise Associates 17, L.P.
Large shareholder
500,000 +16.1%
16.00
US$8,000,000 		500,000 +16.1% 16.00 US$8,000,000
2024-09-17 2024-09-16 B Purchase
2.4
SANDELL SCOTT D
Large shareholder
500,000 +16.1%
16.00
US$8,000,000 		500,000 +16.1% 16.00 US$8,000,000
2024-09-17 2024-09-16 B Purchase
2.7
Florence Anthony A. Jr.
Large shareholder
500,000 +16.1%
16.00
US$8,000,000 		500,000 +16.1% 16.00 US$8,000,000
2024-09-17 2024-09-16 B Purchase
2.6
ORBIMED ADVISORS LLC
Non-Executive Director Large shareholder
250,000 +61.9%
16.00
US$4,000,000 		250,000 +61.9% 16.00 US$4,000,000
2024-09-17 2024-09-16 B Purchase
2.6
ORBIMED ADVISORS LLC
Non-Executive Director Large shareholder
500,000 +18.8%
16.00
US$8,000,000 		500,000 +18.8% 16.00 US$8,000,000
2024-09-17 2024-09-16 B Purchase
2.5
BASKETT FOREST
Large shareholder
500,000 +16.1%
16.00
US$8,000,000 		500,000 +16.1% 16.00 US$8,000,000
2024-09-17 2024-09-16 B Purchase
3.6
Chang Carmen
Large shareholder
500,000 +16.1%
16.00
US$8,000,000 		500,000 +16.1% 16.00 US$8,000,000
2024-09-17 2024-09-16 B Purchase
2.8
Makhzoumi Mohamad
Large shareholder
500,000 +16.1%
16.00
US$8,000,000 		500,000 +16.1% 16.00 US$8,000,000
2024-09-17 2024-09-16 B Purchase
3.9
Walker Paul Edward
Large shareholder
500,000 +16.1%
16.00
US$8,000,000 		500,000 +16.1% 16.00 US$8,000,000
2024-09-17 2024-09-16 B Purchase
3.3
Mathers Edward T
Non-Executive Director Large shareholder
500,000 +16.1%
16.00
US$8,000,000 		500,000 +16.1% 16.00 US$8,000,000
2024-09-17 2024-09-16 B Purchase
1.6
Behbahani Ali
Large shareholder
500,000 +16.1%
16.00
US$8,000,000 		500,000 +16.1% 16.00 US$8,000,000
2024-09-17 2024-09-16 B Purchase
3.8
Heron Patrick J
Non-Executive Director Large shareholder
625,000 +15.9%
16.00
US$10,000,000 		625,000 +15.9% 16.00 US$10,000,000
2024-09-17 2024-09-16 B Purchase
Aynechi Tiba
Non-Executive Director
750,000 +54.1%
16.00
US$12,000,000 		750,000 +54.1% 16.00 US$12,000,000
2024-09-17 2024-09-16 B Purchase
1.5
GORDON CARL L
Non-Executive Director Large shareholder
250,000 +61.9%
16.00
US$4,000,000 		250,000 +61.9% 16.00 US$4,000,000
2024-09-17 2024-09-16 B Purchase
1.5
GORDON CARL L
Non-Executive Director Large shareholder
500,000 +18.8%
16.00
US$8,000,000 		500,000 +18.8% 16.00 US$8,000,000
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