Wichterman Troy insider trades
Wichterman Troy has filed 83 Form 4s with the SEC that we hold, all for Biolife Solutions INC (BLFS), as Chief Financial Officer. Across all of them we count 0 purchases worth $0 and 60 sales worth $2.4M reported on Form 4. In the last 12 months: 0 purchases ($0) and 5 sales ($850.7K). The largest single trade was a sale of 30,000 shares of Biolife Solutions INC worth $771.6K, dated 2025-12-04. The first filing on our record is dated 2022-02-17 and the latest 2026-10-08.
Biolife Solutions INC (BLFS)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-11-30 | S, sale reported on Form 4 | 33 | $1.2K | 2022-02-17 |
| 2021-12-22 | S, sale reported on Form 4 | 310 | $11.9K | 2022-02-17 |
| 2022-01-07 | S, sale reported on Form 4 | 47 | $1.4K | 2022-02-17 |
| 2022-02-15 | S, sale reported on Form 4 | 695 | $18.5K | 2022-02-17 |
| 2022-03-01 | S, sale reported on Form 4 | 56 | $1.3K | 2022-03-03 |
| 2022-03-22 | S, sale reported on Form 4 | 551 | $12.7K | 2022-03-24 |
| 2022-05-13 | S, sale reported on Form 4 | 125 | $1.5K | 2022-05-17 |
| 2022-05-27 | S, sale reported on Form 4 | 43 | $625 | 2022-06-01 |
| 2022-06-24 | S, sale reported on Form 4 | 456 | $7.3K | 2022-06-28 |
| 2022-08-16 | S, sale reported on Form 4 | 116 | $2.9K | 2022-08-18 |
| 2022-08-31 | S, sale reported on Form 4 | 51 | $1.2K | 2022-09-01 |
| 2022-09-23 | S, sale reported on Form 4 | 569 | $12.5K | 2022-09-26 |
| 2022-11-22 | S, sale reported on Form 4 | 121 | $2.4K | 2022-11-23 |
| 2022-11-29 | S, sale reported on Form 4 | 52 | $1.0K | 2022-11-30 |
| 2022-12-22 | S, sale reported on Form 4 | 528 | $9.3K | 2022-12-23 |
| 2023-02-21 | S, sale reported on Form 4 | 117 | $2.5K | 2023-02-23 |
| 2023-03-01 | S, sale reported on Form 4 | 1,576 | $35.9K | 2023-03-03 |
| 2023-03-07 | S, sale reported on Form 4 | 31 | $711 | 2023-03-09 |
| 2023-03-20 | S, sale reported on Form 4 | 10,000 | $206.4K | 2023-03-22 |
| 2023-03-22 | S, sale reported on Form 4 | 310 | $6.8K | 2023-03-22 |
| 2023-05-16 | S, sale reported on Form 4 | 137 | $2.7K | 2023-05-17 |
| 2023-05-31 | S, sale reported on Form 4 | 560 | $13.0K | 2023-06-02 |
| 2023-06-22 | S, sale reported on Form 4 | 541 | $12.7K | 2023-06-26 |
| 2023-08-14 | S, sale reported on Form 4 | 94 | $1.2K | 2023-08-16 |
| 2023-08-25 | S, sale reported on Form 4 | 585 | $6.4K | 2023-08-29 |
| 2023-09-21 | S, sale reported on Form 4 | 539 | $6.8K | 2023-09-25 |
| 2023-11-13 | S, sale reported on Form 4 | 97 | $1.0K | 2023-11-15 |
| 2023-12-01 | S, sale reported on Form 4 | 666 | $8.2K | 2023-12-04 |
| 2023-12-22 | S, sale reported on Form 4 | 314 | $5.3K | 2023-12-28 |
| 2024-01-19 | S, sale reported on Form 4 | 2,419 | $40.5K | 2024-01-23 |
| 2024-02-21 | S, sale reported on Form 4 | 97 | $1.7K | 2024-02-23 |
| 2024-03-11 | S, sale reported on Form 4 | 361 | $6.3K | 2024-03-12 |
| 2024-03-12 | S, sale reported on Form 4 | 7,249 | $120.3K | 2024-03-12 |
| 2024-03-21 | S, sale reported on Form 4 | 520 | $9.3K | 2024-03-25 |
| 2024-04-18 | S, sale reported on Form 4 | 956 | $14.6K | 2024-04-23 |
| 2024-05-17 | S, sale reported on Form 4 | 115 | $2.6K | 2024-05-21 |
| 2024-05-29 | S, sale reported on Form 4 | 574 | $12.5K | 2024-05-31 |
| 2024-07-11 | S, sale reported on Form 4 | 828 | $17.0K | 2024-09-18 |
| 2024-08-21 | S, sale reported on Form 4 | 142 | $3.6K | 2024-09-18 |
| 2024-09-16 | S, sale reported on Form 4 | 611 | $15.3K | 2024-09-18 |
| 2024-10-30 | S, sale reported on Form 4 | 894 | $20.7K | 2024-11-01 |
| 2024-11-12 | S, sale reported on Form 4 | 147 | $3.8K | 2024-11-14 |
| 2024-11-26 | S, sale reported on Form 4 | 581 | $15.8K | 2024-11-29 |
| 2025-01-06 | S, sale reported on Form 4 | 987 | $26.7K | 2025-01-08 |
| 2025-02-12 | S, sale reported on Form 4 | 159 | $4.2K | 2025-02-14 |
| 2025-03-03 | S, sale reported on Form 4 | 660 | $16.8K | 2025-03-05 |
| 2025-03-11 | S, sale reported on Form 4 | 4,151 | $103.8K | 2025-03-13 |
| 2025-04-01 | S, sale reported on Form 4 | 25,687 | $582.1K | 2025-04-03 |
| 2025-04-09 | S, sale reported on Form 4 | 932 | $18.7K | 2025-04-11 |
| 2025-05-28 | S, sale reported on Form 4 | 583 | $13.1K | 2025-05-30 |
| 2025-06-10 | S, sale reported on Form 4 | 1,042 | $24.7K | 2025-06-12 |
| 2025-07-07 | S, sale reported on Form 4 | 877 | $19.5K | 2025-07-09 |
| 2025-08-26 | S, sale reported on Form 4 | 590 | $15.0K | 2025-08-28 |
| 2025-09-11 | S, sale reported on Form 4 | 1,032 | $27.7K | 2025-09-15 |
| 2025-10-09 | S, sale reported on Form 4 | 833 | $22.8K | 2025-10-14 |
| 2025-11-25 | S, sale reported on Form 4 | 584 | $15.6K | 2025-11-28 |
| 2025-12-04 | S, sale reported on Form 4 | 30,000 | $771.6K | 2025-12-05 |
| 2025-12-09 | S, sale reported on Form 4 | 1,033 | $26.0K | 2025-12-17 |
| 2026-01-06 | S, sale reported on Form 4 | 990 | $25.3K | 2026-01-08 |
| 2026-03-03 | S, sale reported on Form 4 | 588 | $12.2K | 2026-03-05 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1892616) 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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