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Beta Bionics, Inc.

BBNX Net buying

CIK 0001674632 #2672 in the set updated 21 Sep 2026

Bought (120 mo)

$17.57M

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

Sold (120 mo)

$6.13M

$2.16M on a plan · $2.20M straight out of an exercise

Sold at will

$1.77M

39 of 80 sales

Net

+$11.44M

+$15.79M against sales at will

By person

12 insiders · 82 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

Wellington Hadley Harbor Aggregator IV, L.P.

10% owner

$17.00M (1)

—

+$17.00M

3,901,599

8.67%

$85.84M

—

Hopman Mark

Chief Commercial Officer

—

$2.28M (18) scheduled

−$2.28M

56,479

0.1255%

$1.24M

+6,347%

Feider Stephen

Chief Financial Officer

—

$1.89M (19) scheduled

−$1.89M

159,378

0.3543%

$3.51M

+130,538%

Saint Sean

President & CEO

—

$911.23K (9)

−$911.23K

398,429

0.8856%

$8.77M

—

Russell Steven Jon

Chief Medical Officer

—

$214.39K (8)

−$214.39K

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

—

Mensinger Mike

Chief Product Officer

$566.95K (1)

$579.33K (13) scheduled

−$12.38K

177,390

0.3943%

$3.90M

—

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

Nothing of that kind in this period.

What was left out

Form 4 filings counted 94

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 15

Sales at will 39

Transactions with no price 0

Shares from compensation/vesting 4,286,158

History held since 31 Jan 2025