DuRoss Amy
Director · BLFS
As of 2026-09-16, DuRoss Amy has 11 Form 4 transactions on record across 1 company — 8 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.
Reconstructed holdings
- Direct $970K
- Indirect $0
| BLFS | direct | 26,857 sh | $970K |
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 |
|---|---|---|---|---|---|---|---|
| 2025-12-15 | BLFS | Sale | 2,000 @ $24.60 | $49K | −9.7% of holding | 18,687 | Form 4 |
| 2025-11-26 | BLFS | Sale | 2,000 @ $27.00 | $54K | −8.8% of holding | 20,687 | Form 4 |
| 2025-11-25 | BLFS | Sale | 2,000 @ $27.00 | $54K | −8.1% of holding | 22,687 | Form 4 |
| 2025-11-21 | BLFS | Sale | 1,000 @ $26.00 | $26K | −3.9% of holding | 24,687 | Form 4 |
| 2025-11-20 | BLFS | Sale | 4,523 @ $24.51 | $111K | −15.0% of holding | 25,687 | Form 4 |
| 2025-11-19 | BLFS | Sale | 477 @ $24.50 | $12K | −1.6% of holding | 30,210 | Form 4 |
| 2025-03-14 | BLFS | Sale | 5,632 @ $24.96 | $141K | −19.1% of holding | 23,811 | Form 4 |
4 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.