Schulz Marcus insider trades
Schulz Marcus has filed 35 Form 4s with the SEC that we hold, all for Biolife Solutions INC (BLFS), as Chief Revenue Officer. Across all of them we count 0 purchases worth $0 and 36 sales worth $828.7K reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 4,269 shares of Biolife Solutions INC worth $194.2K, dated 2021-07-26. The first filing on our record is dated 2021-07-09 and the latest 2023-08-29.
Biolife Solutions INC (BLFS)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-07-08 | S, sale reported on Form 4 | 100 | $4.6K | 2021-07-09 |
| 2021-07-08 | S, sale reported on Form 4 | 140 | $6.4K | 2021-07-09 |
| 2021-07-20 | S, sale reported on Form 4 | 2,539 | $114.5K | 2021-07-22 |
| 2021-07-26 | S, sale reported on Form 4 | 650 | $30.4K | 2021-07-28 |
| 2021-07-26 | S, sale reported on Form 4 | 4,269 | $194.2K | 2021-07-28 |
| 2021-10-11 | S, sale reported on Form 4 | 245 | $9.4K | 2021-10-13 |
| 2021-10-20 | S, sale reported on Form 4 | 399 | $16.9K | 2021-10-22 |
| 2021-11-09 | S, sale reported on Form 4 | 1,750 | $92.8K | 2021-11-12 |
| 2022-01-12 | S, sale reported on Form 4 | 267 | $8.6K | 2022-01-13 |
| 2022-01-20 | S, sale reported on Form 4 | 395 | $11.9K | 2022-01-24 |
| 2022-02-10 | S, sale reported on Form 4 | 167 | $4.9K | 2022-02-14 |
| 2022-04-18 | S, sale reported on Form 4 | 286 | $5.0K | 2022-04-19 |
| 2022-04-21 | S, sale reported on Form 4 | 477 | $6.6K | 2022-04-22 |
| 2022-05-13 | S, sale reported on Form 4 | 41 | $505 | 2022-05-17 |
| 2022-07-12 | S, sale reported on Form 4 | 254 | $4.0K | 2022-07-14 |
| 2022-07-22 | S, sale reported on Form 4 | 367 | $6.6K | 2022-07-26 |
| 2022-08-03 | S, sale reported on Form 4 | 4,600 | $92.1K | 2022-08-05 |
| 2022-08-10 | S, sale reported on Form 4 | 42 | $973 | 2022-08-11 |
| 2022-10-14 | S, sale reported on Form 4 | 236 | $5.1K | 2022-10-18 |
| 2022-10-28 | S, sale reported on Form 4 | 400 | $8.7K | 2022-10-31 |
| 2022-11-10 | S, sale reported on Form 4 | 40 | $926 | 2022-11-14 |
| 2023-01-11 | S, sale reported on Form 4 | 258 | $5.7K | 2023-01-12 |
| 2023-01-18 | S, sale reported on Form 4 | 3,000 | $75.1K | 2023-01-20 |
| 2023-01-19 | S, sale reported on Form 4 | 538 | $12.3K | 2023-01-20 |
| 2023-01-23 | S, sale reported on Form 4 | 1,000 | $25.0K | 2023-01-25 |
| 2023-02-09 | S, sale reported on Form 4 | 56 | $1.4K | 2023-02-13 |
| 2023-03-01 | S, sale reported on Form 4 | 903 | $20.5K | 2023-03-03 |
| 2023-04-06 | S, sale reported on Form 4 | 771 | $15.4K | 2023-05-16 |
| 2023-04-14 | S, sale reported on Form 4 | 215 | $4.5K | 2023-04-18 |
| 2023-04-19 | S, sale reported on Form 4 | 430 | $8.3K | 2023-04-21 |
| 2023-05-15 | S, sale reported on Form 4 | 75 | $1.4K | 2023-05-17 |
| 2023-05-31 | S, sale reported on Form 4 | 337 | $7.8K | 2023-06-02 |
| 2023-07-11 | S, sale reported on Form 4 | 331 | $7.5K | 2023-07-13 |
| 2023-07-24 | S, sale reported on Form 4 | 679 | $13.2K | 2023-07-26 |
| 2023-08-14 | S, sale reported on Form 4 | 108 | $1.3K | 2023-08-16 |
| 2023-08-25 | S, sale reported on Form 4 | 347 | $3.8K | 2023-08-29 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1812702) 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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