Mathew Aby J.
Officer · BLFS
As of 2026-09-16, Mathew Aby J. has 35 Form 4 transactions on record across 1 company — 16 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 March in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $14.0M
- Indirect $0
| BLFS | direct | 387,833 sh | $14.0M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-03-03 | BLFS | Sale | 529 @ $20.74 | $11K | −0.1% of holding | 392,937 | Form 4 |
| 2026-01-06 | BLFS | Sale | 405 @ $25.59 | $10K | −0.1% of holding | 349,350 | Form 4 |
| 2025-12-09 | BLFS | Sale | 631 @ $25.13 | $16K | −0.2% of holding | 349,755 | Form 4 |
| 2025-11-25 | BLFS | Sale | 526 @ $26.74 | $14K | −0.1% of holding | 350,386 | Form 4 |
| 2025-10-09 | BLFS | Sale | 509 @ $27.36 | $14K | −0.1% of holding | 350,912 | Form 4 |
| 2025-09-11 | BLFS | Sale | 630 @ $26.83 | $17K | −0.2% of holding | 351,421 | Form 4 |
| 2025-08-26 | BLFS | Sale | 531 @ $25.44 | $14K | −0.2% of holding | 352,051 | Form 4 |
| 2025-07-07 | BLFS | Sale | 536 @ $22.27 | $12K | −0.2% of holding | 352,582 | Form 4 |
| 2025-06-10 | BLFS | Sale | 637 @ $23.70 | $15K | −0.2% of holding | 353,118 | Form 4 |
| 2025-05-28 | BLFS | Sale | 521 @ $22.46 | $12K | −0.2% of holding | 308,486 | Form 4 |
| 2025-04-09 | BLFS | Sale | 569 @ $20.11 | $11K | −0.2% of holding | 309,007 | Form 4 |
| 2025-04-01 | BLFS | Sale | 10,589 @ $22.66 | $240K | −3.3% of holding | 309,576 | Form 4 |
| 2025-03-11 | BLFS | Sale | 1,597 @ $25.00 | $40K | −0.6% of holding | 260,601 | Form 4 |
| 2025-03-03 | BLFS | Sale | 425 @ $25.46 | $11K | −0.2% of holding | 262,198 | Form 4 |
| 2025-02-12 | BLFS | Sale | 92 @ $26.54 | $2K | −0.0% of holding | 262,623 | Form 4 |
| 2025-01-06 | BLFS | Sale | 404 @ $27.02 | $11K | −0.2% of holding | 262,715 | Form 4 |
| 2024-12-17 | BLFS | Sale | 13,196 @ $27.16 | $358K | −4.8% of holding | 263,119 | Form 4 |
| 2024-12-16 | BLFS | Sale | 7,604 @ $27.33 | $208K | −2.7% of holding | 276,315 | Form 4 |
17 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-08 | BLFS | Withheld for tax | 627 | 387,833 | Form 4 |
| 2026-07-07 | BLFS | Withheld for tax | 516 | 388,460 | Form 4 |
| 2026-06-18 | BLFS | Withheld for tax | 564 | 388,976 | Form 4 |
| 2026-06-08 | BLFS | Withheld for tax | 627 | 389,540 | Form 4 |
| 2026-04-08 | BLFS | Withheld for tax | 515 | 390,167 | Form 4 |
| 2026-03-19 | BLFS | Withheld for tax | 2,255 | 390,682 | Form 4 |
| 2026-02-24 | BLFS | Withheld for tax | 15,585 | 393,466 | Form 4 |
| 2026-02-24 | BLFS | Award / grant | 20,096 | 369,446 | Form 4 |
| 2026-02-24 | BLFS | Award / grant | 39,605 | 409,051 | Form 4 |
| 2026-02-24 | BLFS | Award / grant | 20,096 | 369,446 | Form 4 |
| 2026-02-24 | BLFS | Award / grant | 39,605 | 409,051 | Form 4 |
| 2025-05-29 | BLFS | Award / grant | 45,269 | 353,755 | Form 4 |
| 2025-05-29 | BLFS | Award / grant | 45,269 | 353,755 | Form 4 |
| 2025-03-18 | BLFS | Award / grant | 36,645 | 320,165 | Form 4 |
| 2025-03-18 | BLFS | Award / grant | 36,645 | 320,165 | Form 4 |
| 2025-03-18 | BLFS | Award / grant | 22,919 | 283,520 | Form 4 |
| 2025-03-18 | BLFS | Award / grant | 22,919 | 283,520 | Form 4 |
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.