Feider Stephen — SEC Form 4 filings
SEC reporting owner CIK 2048588. 19 Form 4 filings on record with FilingPulse; latest filed 2026-09-03.
Transaction summary — filings shown
Covers all 19 filings on record, filed 2025-01-31 to 2026-09-03. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 21 legs across 15 filings — 99,165 shares, $2,058,463 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 31.
- Largest priced transaction: sale of 20,000 shares @ $29.53 ($590,680) in Beta Bionics, Inc., filed 2026-01-05.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Beta Bionics, Inc. (BBNX) | Chief Financial Officer | 19 | — | 21 legs · 99,165 sh · $2,058,463 | 31 |
Form 4 filings — Feider Stephen
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-03 | 4 | Beta Bionics, Inc. (BBNX) | Sale (S): 6,675 @ $19.11 | EDGAR |
| 2026-07-02 | 4/A | Beta Bionics, Inc. (BBNX) | Option exercise (M): 5,104 @ $5.10 · Sale (S): 5,104 @ $17.05 · Option exercise (M): 4,896 @ $5.10 · Sale (S): 4,896 @ $17.03 · Option exercise (M): 5,104 (derivative) @ $0 · Option exercise (M): 4,896 (derivative) @ $0 | EDGAR |
| 2026-06-30 | 4 | Beta Bionics, Inc. (BBNX) | Option exercise (M): 4,982 @ $5.10 · Sale (S): 5,104 @ $17.05 · Option exercise (M): 4,896 @ $5.10 · Sale (S): 4,896 @ $17.03 · Option exercise (M): 4,982 (derivative) @ $0 · Option exercise (M): 4,896 (derivative) @ $0 | EDGAR |
| 2026-06-03 | 4 | Beta Bionics, Inc. (BBNX) | Sale (S): 6,676 @ $12.61 | EDGAR |
| 2026-03-13 | 4/A | Beta Bionics, Inc. (BBNX) | Grant/award (A): 110,342 (derivative) @ $0 | EDGAR |
| 2026-03-03 | 4 | Beta Bionics, Inc. (BBNX) | Grant/award (A): 131,543 @ $0 · Sale (S): 1,428 @ $12.36 · Grant/award (A): 70,831 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Beta Bionics, Inc. (BBNX) | Option exercise (M): 20,000 @ $5.10 · Sale (S): 20,000 @ $29.53 · Option exercise (M): 20,000 (derivative) @ $0 | EDGAR |
| 2025-12-04 | 4 | Beta Bionics, Inc. (BBNX) | Sale (S): 1,427 @ $29.34 | EDGAR |
| 2025-10-07 | 4 | Beta Bionics, Inc. (BBNX) | Option exercise (M): 4,982 @ $5.10 · Sale (S): 3,828 @ $21.52 · Sale (S): 1,154 @ $22.28 · Option exercise (M): 4,982 (derivative) @ $0 | EDGAR |
| 2025-10-03 | 4 | Beta Bionics, Inc. (BBNX) | Option exercise (M): 15,018 @ $5.10 · Sale (S): 14,918 @ $20.76 · Sale (S): 100 @ $21.08 · Option exercise (M): 15,018 (derivative) @ $0 | EDGAR |
| 2025-09-09 | 4 | Beta Bionics, Inc. (BBNX) | Option exercise (M): 9,900 @ $5.10 · Sale (S): 9,900 @ $21.13 · Option exercise (M): 9,900 (derivative) @ $0 | EDGAR |
| 2025-09-08 | 4 | Beta Bionics, Inc. (BBNX) | Option exercise (M): 100 @ $5.10 · Sale (S): 100 @ $21 · Option exercise (M): 100 (derivative) @ $0 | EDGAR |
| 2025-09-04 | 4 | Beta Bionics, Inc. (BBNX) | Sale (S): 1,462 @ $18.86 | EDGAR |
| 2025-08-26 | 4 | Beta Bionics, Inc. (BBNX) | Option exercise (M): 4,413 @ $5.10 · Sale (S): 4,413 @ $17.01 · Option exercise (M): 4,413 (derivative) @ $0 | EDGAR |
| 2025-08-20 | 4 | Beta Bionics, Inc. (BBNX) | Option exercise (M): 5,587 @ $5.10 · Sale (S): 5,587 @ $17.03 · Option exercise (M): 5,587 (derivative) @ $0 | EDGAR |
| 2025-06-04 | 4 | Beta Bionics, Inc. (BBNX) | Sale (S): 410 @ $17.03 · Sale (S): 951 @ $18.15 · Sale (S): 136 @ $18.69 | EDGAR |
| 2025-03-03 | 4 | Beta Bionics, Inc. (BBNX) | Grant/award (A): 47,000 @ $0 · Grant/award (A): 71,000 (derivative) @ $0 | EDGAR |
| 2025-02-03 | 4 | Beta Bionics, Inc. (BBNX) | Grant/award (A): 166,542 (derivative) @ $0 · Grant/award (A): 109,695 (derivative) @ $0 · Grant/award (A): 186,203 (derivative) @ $0 | EDGAR |
| 2025-01-31 | 4 | Beta Bionics, Inc. (BBNX) | Grant/award (A): 186,203 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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