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Beta Bionics, Inc.

BBNX Net selling

CIK 0001674632 #2672 in the set updated 22 Sep 2026

Bought (12 mo)

$0.00

out of their own pocket, the only kind of buying there is

Sold (12 mo)

$4.82M

$2.16M on a plan · $1.18M straight out of an exercise

Sold at will

$1.48M

19 of 52 sales

Net

−$4.82M

−$1.48M against sales at will

By person

12 insiders · 52 transactions

12.5×

Sean Saint holds 12.5 times base salary in stock. $8.77M of shares against $700.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Sean Saint last reported holding, valued at $22.00, the price Common Stock was last bought or sold at on the open market here, on 16 Sep 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Hopman Mark

Chief Commercial Officer

—

$1.61M (11) scheduled

−$1.61M

56,479

0.1255%

$1.24M

+6,347%

Feider Stephen

Chief Financial Officer

—

$1.45M (11) scheduled

−$1.45M

159,378

0.3543%

$3.51M

+130,538%

Saint Sean

President & CEO

—

$786.34K (5)

−$786.34K

398,429

0.8856%

$8.77M

—

Mensinger Mike

Chief Product Officer

—

$538.62K (8) scheduled

−$538.62K

177,390

0.3943%

$3.90M

—

Russell Steven Jon

Chief Medical Officer

—

$176.66K (4)

−$176.66K

169,628

0.3770%

$3.73M

+345.6%

Lezack Adam

Director

—

$100.46K (6) scheduled

−$100.46K

27,399

0.0609%

$602.78K

—

Jones Christy

Director

—

$80.32K (3) scheduled

−$80.32K

25,994

0.0578%

$571.87K

—

Palasis Maria

Director

—

$79.39K (4) scheduled

−$79.39K

29,397

0.0653%

$646.73K

—

Wellington Hadley Harbor Aggregator IV, L.P.

10% owner

—

3,901,599

8.67%

$85.84M

—

MICHEL GERARD J

Director

—

33,509

0.0745%

$737.20K

—

Dearen Danny L.

Director

—

32,209

0.0716%

$708.60K

—

CARNEY SEAN

Director

—

32,209

0.0716%

$708.60K

—

Individual transactions

Insider

Date

Role

Action

Price

Amount

Feider Stephen

29 Jun 2026

Chief Financial Officer

Sold after exercise

4,896

$17.03

$83.38K

Feider Stephen

26 Jun 2026

Chief Financial Officer

Sold after exercise

5,104

$17.05

$87.01K

Feider Stephen

2 Jan 2026

Chief Financial Officer

Sold after exercise

20,000

$29.53

$590.68K

Feider Stephen

3 Oct 2025

Chief Financial Officer

Sold after exercise

1,154

$22.28

$25.71K

Feider Stephen

3 Oct 2025

Chief Financial Officer

Sold after exercise

3,828

$21.52

$82.37K

Feider Stephen

1 Oct 2025

Chief Financial Officer

Sold after exercise

100

$21.08

$2.11K

Feider Stephen

1 Oct 2025

Chief Financial Officer

Sold after exercise

14,918

$20.76

$309.70K

Show all 52 transactions →

What was left out

Form 4 filings counted 52

Amendments (4/A) skipped 7

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 26

Sales straight out of an exercise 7

Sales at will 19

Transactions with no price 0

Shares from compensation/vesting 977,777

History held since 31 Jan 2025