Stephen Feider, CFO of Beta Bionics, Inc. ($BBNX), made fifteen open market sales of company shares over the last year, totaling $1.5 million. His latest sale occurred on March 2, 2026. These transactions rank 4,054th by value among 11,678 insiders, well below the average sale amount of $8.6 million across 6.4 transactions per insider. Feider reported no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 27, 2026 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | A | Employee Stock Option (right to buy) | 110342 | $0.00 | 110,342.0000 | 44,024,631 | 9999.99% | 0.25% |
| Feb. 27, 2026 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | A | Employee Stock Option (right to buy) | 70831 | $0.00 | 70,831.0000 | 44,024,631 | 9999.99% | 0.16% |
| March 2, 2026 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | S | Common Stock | 1428 | $12.36 | 172,729.0000 | 44,024,631 | 0.82% | 0.00% |
| Feb. 27, 2026 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | A | Common Stock | 131543 | $0.00 | 174,157.0000 | 44,024,631 | 308.68% | 0.30% |
| Jan. 2, 2026 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | S | Common Stock | 20000 | $29.53 | 42,614.0000 | 44,024,631 | 31.94% | 0.05% |
| Jan. 2, 2026 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | M | Employee Stock Option (right to buy) | 20000 | $0.00 | 49,695.0000 | 44,024,631 | 28.70% | 0.05% |
| Jan. 2, 2026 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | M | Common Stock | 20000 | $5.10 | 62,614.0000 | 44,024,631 | 46.93% | 0.05% |
| Dec. 2, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | S | Common Stock | 1427 | $29.34 | 42,614.0000 | 44,024,631 | 3.24% | 0.00% |
| Oct. 3, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | S | Common Stock | 3828 | $21.52 | 45,195.0000 | 43,348,840 | 7.81% | 0.01% |
| Oct. 3, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | M | Employee Stock Option (right to buy) | 4982 | $0.00 | 69,695.0000 | 43,348,840 | 6.67% | 0.01% |
| Oct. 3, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | S | Common Stock | 1154 | $22.28 | 44,041.0000 | 43,348,840 | 2.55% | 0.00% |
| Oct. 3, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | M | Common Stock | 4982 | $5.10 | 49,023.0000 | 43,348,840 | 11.31% | 0.01% |
| Oct. 1, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | M | Common Stock | 15018 | $5.10 | 59,059.0000 | 43,348,840 | 34.10% | 0.03% |
| Oct. 1, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | S | Common Stock | 100 | $21.08 | 44,041.0000 | 43,348,840 | 0.23% | 0.00% |
| Oct. 1, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | M | Employee Stock Option (right to buy) | 15018 | $0.00 | 74,677.0000 | 43,348,840 | 16.74% | 0.03% |
| Oct. 1, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | S | Common Stock | 14918 | $20.76 | 44,141.0000 | 43,348,840 | 25.26% | 0.03% |
| Sept. 8, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | M | Employee Stock Option (right to buy) | 9900 | $0.00 | 89,695.0000 | 43,348,840 | 9.94% | 0.02% |
| Sept. 8, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | S | Common Stock | 9900 | $21.13 | 44,041.0000 | 43,348,840 | 18.35% | 0.02% |
| Sept. 8, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | M | Common Stock | 9900 | $5.10 | 53,941.0000 | 43,348,840 | 22.48% | 0.02% |
| Sept. 5, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | S | Common Stock | 100 | $21.00 | 44,041.0000 | 43,348,840 | 0.23% | 0.00% |
| Sept. 5, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | M | Common Stock | 100 | $5.10 | 44,141.0000 | 43,348,840 | 0.23% | 0.00% |
| Sept. 5, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | M | Employee Stock Option (right to buy) | 100 | $0.00 | 99,595.0000 | 43,348,840 | 0.10% | 0.00% |
| Sept. 2, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | S | Common Stock | 1462 | $18.86 | 44,041.0000 | 43,348,840 | 3.21% | 0.00% |
| Aug. 22, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | M | Common Stock | 4413 | $5.10 | 49,916.0000 | 43,348,840 | 9.70% | 0.01% |
| Aug. 22, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | S | Common Stock | 4413 | $17.01 | 45,503.0000 | 43,348,840 | 8.84% | 0.01% |
| Aug. 22, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | M | Employee Stock Option (right to buy) | 4413 | $0.00 | 99,695.0000 | 43,348,840 | 4.24% | 0.01% |
| Aug. 19, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | M | Common Stock | 5587 | $5.10 | 51,090.0000 | 43,348,840 | 12.28% | 0.01% |
| Aug. 19, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | M | Employee Stock Option (right to buy) | 5587 | $0.00 | 104,108.0000 | 43,348,840 | 5.09% | 0.01% |
| Aug. 19, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | S | Common Stock | 5587 | $17.03 | 45,503.0000 | 43,348,840 | 10.94% | 0.01% |
| June 2, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | S | Common Stock | 951 | $18.15 | 45,639.0000 | 43,348,840 | 2.04% | 0.00% |
| June 2, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | S | Common Stock | 410 | $17.03 | 46,590.0000 | 43,348,840 | 0.87% | 0.00% |
| June 2, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | S | Common Stock | 136 | $18.69 | 45,503.0000 | 43,348,840 | 0.30% | 0.00% |
| Feb. 27, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | A | Employee Stock Option (right to buy) | 71000 | $0.00 | 71,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 27, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | A | Common Stock | 47000 | $0.00 | 47,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 31, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | A | Employee Stock Option (right to buy) | 186203 | $0.00 | 186,203.0000 | 0 | 9999.99% | 0.00% |
| Jan. 31, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | A | Employee Stock Option (right to buy) | 166542 | $0.00 | 166,542.0000 | 0 | 9999.99% | 0.00% |
| Jan. 31, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | A | Employee Stock Option (right to buy) | 109695 | $0.00 | 109,695.0000 | 0 | 9999.99% | 0.00% |
| Jan. 29, 2025 | Beta Bionics, Inc. | $BBNX | Feider Stephen | Chief Financial Officer | A | Employee Stock Option (right to buy) | 186203 | $0.00 | 186,203.0000 | 0 | 9999.99% | 0.00% |