Foster Karen A. — SEC Form 4 filings
SEC reporting owner CIK 1683151. 32 Form 4 filings on record with FilingPulse; latest filed 2026-03-31.
Transaction summary — filings shown
Covers all 32 filings on record, filed 2024-01-23 to 2026-03-31. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 33 legs across 29 filings — 123,565 shares, $2,516,007 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 7.
- Largest priced transaction: sale of 96,923 shares @ $20.15 ($1,952,998) in BIOLIFE SOLUTIONS INC, filed 2026-03-09.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| BIOLIFE SOLUTIONS INC (BLFS) | Chief Quality and Operations | 32 | — | 33 legs · 123,565 sh · $2,516,007 | 7 |
Form 4 filings — Foster Karen A.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-31 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 2,577 @ $19.17 | EDGAR |
| 2026-03-23 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Tax withholding (F): 1,907 @ $19.12 | EDGAR |
| 2026-03-09 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 96,923 @ $20.15 · Sale (S): 500 @ $20 | EDGAR |
| 2026-03-05 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 418 @ $20.74 | EDGAR |
| 2026-02-26 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Grant/award (A): 32,112 · Tax withholding (F): 13,013 @ $22.65 | EDGAR |
| 2026-01-08 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 335 @ $25.59 | EDGAR |
| 2025-12-17 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 519 @ $25.13 | EDGAR |
| 2025-11-28 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 415 @ $26.74 | EDGAR |
| 2025-10-14 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 419 @ $27.36 | EDGAR |
| 2025-09-15 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 511 @ $26.83 | EDGAR |
| 2025-08-28 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 413 @ $25.44 | EDGAR |
| 2025-07-09 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 400 @ $22.27 | EDGAR |
| 2025-06-12 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 320 @ $23.70 | EDGAR |
| 2025-05-30 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 251 @ $22.46 | EDGAR |
| 2025-04-11 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 286 @ $20.11 | EDGAR |
| 2025-04-03 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 7,869 @ $22.66 | EDGAR |
| 2025-03-20 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Grant/award (A): 19,099 · Grant/award (A): 29,711 | EDGAR |
| 2025-03-13 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 1,331 @ $25 | EDGAR |
| 2025-03-05 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 324 @ $25.46 | EDGAR |
| 2025-02-14 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 78 @ $26.54 | EDGAR |
| 2025-01-08 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 328 @ $27.02 | EDGAR |
| 2024-11-29 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 252 @ $27.20 | EDGAR |
| 2024-11-14 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 66 @ $26.34 | EDGAR |
| 2024-11-01 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 277 @ $23.15 | EDGAR |
| 2024-09-18 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 240 @ $22.50 · Sale (S): 96 @ $25.61 · Sale (S): 267 @ $25.12 | EDGAR |
| 2024-05-31 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 408 @ $21.78 | EDGAR |
| 2024-05-21 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 85 @ $22.18 | EDGAR |
| 2024-04-23 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 481 @ $15.31 | EDGAR |
| 2024-03-29 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 395 @ $17.99 | EDGAR |
| 2024-03-12 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Grant/award (A): 20,651 · Grant/award (A): 20,445 · Sale (S): 319 @ $17.42 · Sale (S): 5,177 @ $16.60 | EDGAR |
| 2024-02-23 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 87 @ $17.35 | EDGAR |
| 2024-01-23 | 4 | BIOLIFE SOLUTIONS INC (BLFS) | Sale (S): 1,198 @ $16.76 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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