Mathew Aby J. insider trades
Mathew Aby J. has filed 106 Form 4s with the SEC that we hold, all for Biolife Solutions INC (BLFS), as EVP & Chief Scientific Officer. Across all of them we count 0 purchases worth $0 and 105 sales worth $13.3M reported on Form 4. In the last 12 months: 0 purchases ($0) and 4 sales ($51.3K). The largest single trade was a sale of 10,000 shares of Biolife Solutions INC worth $531.2K, dated 2021-08-25. The first filing on our record is dated 2021-07-01 and the latest 2026-10-08.
Biolife Solutions INC (BLFS)
EVP & Chief Scientific Officer · 106 filings · 105 purchases and sales
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-06-29 | S, sale reported on Form 4 | 715 | $31.3K | 2021-07-01 |
| 2021-07-19 | S, sale reported on Form 4 | 10,000 | $438.5K | 2021-07-21 |
| 2021-07-21 | S, sale reported on Form 4 | 8,854 | $403.8K | 2021-07-21 |
| 2021-08-23 | S, sale reported on Form 4 | 10,000 | $465.4K | 2021-08-25 |
| 2021-08-25 | S, sale reported on Form 4 | 10,000 | $531.2K | 2021-08-25 |
| 2021-08-27 | S, sale reported on Form 4 | 399 | $22.8K | 2021-08-30 |
| 2021-09-20 | S, sale reported on Form 4 | 10,000 | $468.9K | 2021-09-22 |
| 2021-09-22 | S, sale reported on Form 4 | 10,000 | $469.9K | 2021-09-22 |
| 2021-09-28 | S, sale reported on Form 4 | 719 | $31.0K | 2021-09-30 |
| 2021-10-14 | S, sale reported on Form 4 | 1,273 | $50.9K | 2021-10-18 |
| 2021-10-18 | S, sale reported on Form 4 | 10,000 | $413.4K | 2021-10-20 |
| 2021-10-20 | S, sale reported on Form 4 | 10,000 | $419.7K | 2021-10-20 |
| 2021-11-15 | S, sale reported on Form 4 | 10,000 | $481.1K | 2021-11-17 |
| 2021-11-17 | S, sale reported on Form 4 | 10,000 | $510.7K | 2021-11-17 |
| 2021-11-30 | S, sale reported on Form 4 | 448 | $16.8K | 2021-12-02 |
| 2021-12-06 | S, sale reported on Form 4 | 10,000 | $343.9K | 2021-12-08 |
| 2021-12-08 | S, sale reported on Form 4 | 8,853 | $323.0K | 2021-12-08 |
| 2021-12-29 | S, sale reported on Form 4 | 736 | $29.0K | 2021-12-30 |
| 2022-01-04 | S, sale reported on Form 4 | 10,000 | $350.6K | 2022-01-06 |
| 2022-01-05 | S, sale reported on Form 4 | 7,857 | $269.5K | 2022-01-06 |
| 2022-02-02 | S, sale reported on Form 4 | 10,000 | $298.8K | 2022-02-04 |
| 2022-02-03 | S, sale reported on Form 4 | 9,837 | $273.1K | 2022-02-04 |
| 2022-02-10 | S, sale reported on Form 4 | 450 | $13.2K | 2022-02-14 |
| 2022-03-01 | S, sale reported on Form 4 | 412 | $9.8K | 2022-03-03 |
| 2022-03-29 | S, sale reported on Form 4 | 658 | $14.6K | 2022-03-31 |
| 2022-04-18 | S, sale reported on Form 4 | 19,325 | $339.9K | 2022-04-19 |
| 2022-05-13 | S, sale reported on Form 4 | 108 | $1.3K | 2022-05-17 |
| 2022-05-27 | S, sale reported on Form 4 | 351 | $5.1K | 2022-06-01 |
| 2022-06-28 | S, sale reported on Form 4 | 704 | $10.5K | 2022-06-30 |
| 2022-08-10 | S, sale reported on Form 4 | 112 | $2.6K | 2022-08-11 |
| 2022-08-31 | S, sale reported on Form 4 | 425 | $10.0K | 2022-09-01 |
| 2022-09-29 | S, sale reported on Form 4 | 657 | $15.1K | 2022-09-30 |
| 2022-11-10 | S, sale reported on Form 4 | 107 | $2.5K | 2022-11-14 |
| 2022-11-29 | S, sale reported on Form 4 | 436 | $8.7K | 2022-11-30 |
| 2022-12-28 | S, sale reported on Form 4 | 712 | $12.0K | 2022-12-30 |
| 2023-01-03 | S, sale reported on Form 4 | 500 | $9.4K | 2023-01-05 |
| 2023-01-03 | S, sale reported on Form 4 | 9,500 | $168.3K | 2023-01-05 |
| 2023-01-04 | S, sale reported on Form 4 | 9,500 | $175.7K | 2023-01-05 |
| 2023-01-04 | S, sale reported on Form 4 | 500 | $8.9K | 2023-01-05 |
| 2023-02-01 | S, sale reported on Form 4 | 10,000 | $228.7K | 2023-02-03 |
| 2023-02-02 | S, sale reported on Form 4 | 9,000 | $224.6K | 2023-02-03 |
| 2023-02-02 | S, sale reported on Form 4 | 1,000 | $23.9K | 2023-02-03 |
| 2023-02-09 | S, sale reported on Form 4 | 78 | $1.9K | 2023-02-13 |
| 2023-03-01 | S, sale reported on Form 4 | 2,086 | $47.5K | 2023-03-03 |
| 2023-03-07 | S, sale reported on Form 4 | 415 | $9.5K | 2023-03-09 |
| 2023-03-22 | S, sale reported on Form 4 | 10,000 | $214.4K | 2023-03-24 |
| 2023-03-23 | S, sale reported on Form 4 | 10,000 | $217.9K | 2023-03-24 |
| 2023-03-29 | S, sale reported on Form 4 | 741 | $15.3K | 2023-03-31 |
| 2023-04-06 | S, sale reported on Form 4 | 2,093 | $41.9K | 2023-05-16 |
| 2023-04-19 | S, sale reported on Form 4 | 10,000 | $194.7K | 2023-04-21 |
| 2023-04-20 | S, sale reported on Form 4 | 10,000 | $192.5K | 2023-04-21 |
| 2023-05-15 | S, sale reported on Form 4 | 125 | $2.3K | 2023-05-17 |
| 2023-05-24 | S, sale reported on Form 4 | 10,000 | $221.4K | 2023-05-25 |
| 2023-05-25 | S, sale reported on Form 4 | 10,000 | $223.3K | 2023-05-25 |
| 2023-05-31 | S, sale reported on Form 4 | 504 | $11.7K | 2023-06-02 |
| 2023-06-21 | S, sale reported on Form 4 | 10,000 | $229.7K | 2023-06-23 |
| 2023-06-22 | S, sale reported on Form 4 | 10,000 | $233.2K | 2023-06-23 |
| 2023-06-27 | S, sale reported on Form 4 | 695 | $15.9K | 2023-06-29 |
| 2023-07-19 | S, sale reported on Form 4 | 10,000 | $204.6K | 2023-07-24 |
| 2023-07-20 | S, sale reported on Form 4 | 10,000 | $200.7K | 2023-07-24 |
| 2023-08-14 | S, sale reported on Form 4 | 180 | $2.2K | 2023-08-16 |
| 2023-08-25 | S, sale reported on Form 4 | 519 | $5.7K | 2023-08-29 |
| 2023-09-28 | S, sale reported on Form 4 | 659 | $9.3K | 2023-10-02 |
| 2023-11-13 | S, sale reported on Form 4 | 132 | $1.4K | 2023-11-15 |
| 2023-12-01 | S, sale reported on Form 4 | 591 | $7.3K | 2023-12-04 |
| 2024-01-02 | S, sale reported on Form 4 | 697 | $11.7K | 2024-01-04 |
| 2024-01-19 | S, sale reported on Form 4 | 1,450 | $24.3K | 2024-01-23 |
| 2024-02-21 | S, sale reported on Form 4 | 101 | $1.8K | 2024-02-23 |
| 2024-03-11 | S, sale reported on Form 4 | 313 | $5.5K | 2024-03-12 |
| 2024-03-12 | S, sale reported on Form 4 | 6,521 | $108.2K | 2024-03-12 |
| 2024-03-27 | S, sale reported on Form 4 | 454 | $8.2K | 2024-03-29 |
| 2024-04-18 | S, sale reported on Form 4 | 584 | $8.9K | 2024-04-23 |
| 2024-05-17 | S, sale reported on Form 4 | 98 | $2.2K | 2024-05-21 |
| 2024-05-29 | S, sale reported on Form 4 | 517 | $11.3K | 2024-05-31 |
| 2024-07-11 | S, sale reported on Form 4 | 313 | $6.4K | 2024-09-18 |
| 2024-08-21 | S, sale reported on Form 4 | 111 | $2.8K | 2024-09-18 |
| 2024-09-16 | S, sale reported on Form 4 | 343 | $8.6K | 2024-09-18 |
| 2024-09-18 | S, sale reported on Form 4 | 10,000 | $239.0K | 2024-09-20 |
| 2024-09-19 | S, sale reported on Form 4 | 10,000 | $254.7K | 2024-09-20 |
| 2024-10-15 | S, sale reported on Form 4 | 10,000 | $232.8K | 2024-10-17 |
| 2024-10-16 | S, sale reported on Form 4 | 10,000 | $231.7K | 2024-10-17 |
| 2024-10-30 | S, sale reported on Form 4 | 547 | $12.7K | 2024-11-01 |
| 2024-11-12 | S, sale reported on Form 4 | 123 | $3.2K | 2024-11-14 |
| 2024-11-15 | S, sale reported on Form 4 | 10,000 | $211.6K | 2024-11-19 |
| 2024-11-15 | S, sale reported on Form 4 | 15,000 | $317.6K | 2024-11-19 |
| 2024-11-18 | S, sale reported on Form 4 | 17,604 | $353.0K | 2024-11-19 |
| 2024-11-26 | S, sale reported on Form 4 | 523 | $14.2K | 2024-11-29 |
| 2024-12-16 | S, sale reported on Form 4 | 7,604 | $207.8K | 2024-12-19 |
| 2024-12-17 | S, sale reported on Form 4 | 13,196 | $358.4K | 2024-12-19 |
| 2025-01-06 | S, sale reported on Form 4 | 404 | $10.9K | 2025-01-08 |
| 2025-02-12 | S, sale reported on Form 4 | 92 | $2.4K | 2025-02-14 |
| 2025-03-03 | S, sale reported on Form 4 | 425 | $10.8K | 2025-03-05 |
| 2025-03-11 | S, sale reported on Form 4 | 1,597 | $39.9K | 2025-03-13 |
| 2025-04-01 | S, sale reported on Form 4 | 10,589 | $239.9K | 2025-04-03 |
| 2025-04-09 | S, sale reported on Form 4 | 569 | $11.4K | 2025-04-11 |
| 2025-05-28 | S, sale reported on Form 4 | 521 | $11.7K | 2025-05-30 |
| 2025-06-10 | S, sale reported on Form 4 | 637 | $15.1K | 2025-06-12 |
| 2025-07-07 | S, sale reported on Form 4 | 536 | $11.9K | 2025-07-09 |
| 2025-08-26 | S, sale reported on Form 4 | 531 | $13.5K | 2025-08-28 |
| 2025-09-11 | S, sale reported on Form 4 | 630 | $16.9K | 2025-09-15 |
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Source
Counted from the Form 4 filings this reporting owner (SEC CIK 1556355) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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