ROTHBERG JONATHAN M
Director · Ten-percent owner · BFLY
As of 2026-09-16, ROTHBERG JONATHAN M has 46 Form 4 transactions on record across 1 company — 41 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in December in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $769K
- Indirect $0
| BFLY | direct | 105,881 sh | $769K |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-07-22 | BFLY | Sale | 496,680 @ $6.47 | $3.2M | −100.0% of holding | 0 | Form 4 |
| 2026-07-22 | BFLY | Sale | 72,724 @ $6.47 | $471K | −100.0% of holding | 0 | Form 4 |
| 2026-07-22 | BFLY | Sale | 54,143 @ $6.47 | $350K | −100.0% of holding | 0 | Form 4 |
| 2026-07-22 | BFLY | Sale | 36,366 @ $6.47 | $235K | −100.0% of holding | 0 | Form 4 |
| 2026-07-21 | BFLY | Sale | 753,320 @ $6.74 | $5.1M | −60.3% of holding | 496,680 | Form 4 |
| 2026-07-20 | BFLY | Sale | 1,177,276 @ $6.61 | $7.8M | −94.2% of holding | 72,724 | Form 4 |
| 2026-07-17 | BFLY | Sale | 1,195,857 @ $6.60 | $7.9M | −95.7% of holding | 54,143 | Form 4 |
| 2026-07-16 | BFLY | Sale | 1,213,634 @ $7.09 | $8.6M | −97.1% of holding | 36,366 | Form 4 |
| 2026-07-16 | BFLY | Sale | 253,867 @ $7.09 | $1.8M | −70.6% of holding | 105,881 | Form 4 |
| 2026-07-15 | BFLY | Sale | 1,730,319 @ $7.32 | $12.7M | −82.8% of holding | 359,748 | Form 4 |
| 2026-07-14 | BFLY | Sale | 815,632 @ $7.72 | $6.3M | −28.1% of holding | 2,090,067 | Form 4 |
| 2026-01-08 | BFLY | Sale | 335,834 @ $4.18 | $1.4M | −100.0% of holding | 0 | Form 4 |
| 2026-01-07 | BFLY | Sale | 452,729 @ $4.14 | $1.9M | −57.4% of holding | 335,834 | Form 4 |
| 2026-01-06 | BFLY | Sale | 351,617 @ $4.03 | $1.4M | −30.8% of holding | 788,563 | Form 4 |
| 2025-12-26 | BFLY | Sale | 14,911 @ $4.01 | $60K | −1.3% of holding | 1,140,180 | Form 4 |
| 2025-12-24 | BFLY | Sale | 2,673 @ $4.00 | $11K | −0.2% of holding | 1,155,091 | Form 4 |
| 2025-12-23 | BFLY | Sale | 44,781 @ $4.01 | $179K | −3.7% of holding | 1,157,764 | Form 4 |
| 2025-12-16 | BFLY | Sale | 196,662 @ $3.14 | $617K | −100.0% of holding | 0 | Form 4 |
| 2025-12-16 | BFLY | Sale | 50,360 @ $3.14 | $158K | −100.0% of holding | 0 | Form 4 |
| 2025-12-16 | BFLY | Sale | 37,964 @ $3.14 | $119K | −3.1% of holding | 1,202,545 | Form 4 |
| 2025-12-15 | BFLY | Sale | 601,308 @ $3.16 | $1.9M | −75.4% of holding | 196,662 | Form 4 |
| 2025-12-12 | BFLY | Sale | 111,031 @ $3.08 | $342K | −100.0% of holding | 0 | Form 4 |
| 2025-12-12 | BFLY | Sale | 82,262 @ $3.08 | $253K | −62.0% of holding | 50,360 | Form 4 |
| 2025-12-11 | BFLY | Sale | 123,354 @ $3.08 | $380K | −48.2% of holding | 132,622 | Form 4 |
| 2025-12-10 | BFLY | Sale | 288,918 @ $3.13 | $905K | −53.0% of holding | 255,976 | Form 4 |
| 2025-12-09 | BFLY | Sale | 176,070 @ $3.11 | $547K | −61.3% of holding | 111,031 | Form 4 |
| 2025-12-08 | BFLY | Sale | 543,601 @ $3.27 | $1.8M | −100.0% of holding | 0 | Form 4 |
| 2025-12-08 | BFLY | Sale | 225,726 @ $3.27 | $739K | −44.0% of holding | 287,101 | Form 4 |
| 2025-12-05 | BFLY | Sale | 37,598 @ $3.07 | $116K | −6.5% of holding | 543,601 | Form 4 |
| 2025-12-04 | BFLY | Sale | 64,198 @ $3.08 | $197K | −9.9% of holding | 581,199 | Form 4 |
| 2025-11-28 | BFLY | Sale | 132,570 @ $3.08 | $408K | −20.5% of holding | 512,827 | Form 4 |
| 2025-11-26 | BFLY | Sale | 442,539 @ $3.13 | $1.4M | −35.7% of holding | 797,970 | Form 4 |
| 2025-11-25 | BFLY | Sale | 224,920 @ $3.27 | $735K | −29.2% of holding | 544,894 | Form 4 |
| 2025-11-25 | BFLY | Sale | 224,919 @ $3.27 | $735K | −25.8% of holding | 645,397 | Form 4 |
| 2025-11-24 | BFLY | Sale | 370,193 @ $3.15 | $1.2M | −29.8% of holding | 870,316 | Form 4 |
| 2025-11-24 | BFLY | Sale | 370,193 @ $3.15 | $1.2M | −32.5% of holding | 769,814 | Form 4 |
| 2025-11-03 | BFLY | Sale | 100,502 @ $3.08 | $309K | −8.1% of holding | 1,140,007 | Form 4 |
| 2025-10-16 | — | Sale | 26,095 @ $3.07 | $80K | −1.4% of holding | 1,904,866 | Form 4 |
| 2024-12-27 | — | Sale | 834,254 @ $3.30 | $2.8M | −39.2% of holding | 1,292,313 | Form 4 |
| 2024-12-27 | — | Sale | 834,253 @ $3.30 | $2.8M | −39.2% of holding | 1,292,313 | Form 4 |
| 2024-12-27 | — | Sale | 42,313 @ $4.10 | $173K | −3.3% of holding | 1,250,000 | Form 4 |
5 award / exercise / gift records — not counted as purchases
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.