Quick Takeaways
- BLFS - BIOLIFE SOLUTIONS INC has 22 insiders with reported activity on this page.
- Net insider value flow over the last year: -$76,433,210.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 22 Insiders of BIOLIFE SOLUTIONS INC
- Symbol
- BLFS on Nasdaq
- Location
- Bothell, WA
What Changed
- Buy value: ; sell value: $76,433,210.
- Net share flow: <span class="text-red-600">-3,071,117</span>.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$76,433,210.
Buys
$0
Shares: 0
Insiders: 0
Sells
$76,433,210
Shares: 3,071,117
Insiders: 10
Net
-$76,433,210
Shares: -3,071,117
Insiders: -10
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 102,218 | $0 | $2,058,401 | +$2,058,401 |
| 3-6 | 0 | 941,979 | $0 | $26,422,375 | +$26,422,375 |
| 6-9 | 0 | 1,016,883 | $0 | $23,929,762 | +$23,929,762 |
| 9-12 | 0 | 1,010,037 | $0 | $24,022,673 | +$24,022,673 |
BIOLIFE SOLUTIONS INC executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Casdin Partners Master Fund, L.P. | 10%+ Owner | $170,059,784 | -$68,710,325 | -29% | Filing P/S | 15 Oct 2025 |
| Roderick de Greef | President and CEO, Director | $16,494,610 | -$3,612,225 | -18% | Mixed | 19 Mar 2026 |
| Aby J. Mathew | EVP & Chief Scientific Officer | $8,782,531 | -$145,773 | -1.6% | Mixed | 19 Mar 2026 |
| Michael Rice | Former CEO and Director | $5,938,624 | Mixed | 30 Oct 2023 | ||
| Troy Wichterman | Chief Financial Officer | $4,875,912 | -$992,257 | -17% | Mixed | 19 Mar 2026 |
| Todd Berard | Chief Marketing Officer | $3,688,091 | -$346,006 | -8.6% | Mixed | 19 Mar 2026 |
| Garrie Richardson | Chief Revenue Officer | $2,883,098 | Filing P/S | 16 Sep 2024 | ||
| Karen A. Foster | Chief Quality and Operations | $2,084,890 | -$2,117,343 | -50% | Filing P/S | 23 Mar 2026 |
| Sarah Aebersold | Chief Human Resources Officer | $2,077,803 | -$109,940 | -5% | Mixed | 19 Mar 2026 |
| Rachel Ellingson | Director | $1,309,527 | Mixed | 24 Feb 2026 | ||
| Joydeep Goswami | Director | $1,200,262 | -$48,297 | -3.9% | Mixed | 24 Feb 2026 |
| Geraint Phillips | SVP, Global Operations | $1,095,567 | Filing P/S | 08 Mar 2024 | ||
| Sean Werner | Chief Technology Officer | $1,084,682 | -$45,299 | -4% | Mixed | 19 Mar 2026 |
| Timothy L. Moore | Director | $1,014,812 | Mixed | 24 Feb 2026 | ||
| Joseph C. Schick | Director | $729,620 | Mixed | 08 Mar 2024 | ||
| Marcus Schulz | Chief Revenue Officer | $720,280 | Mixed | 25 Aug 2023 | ||
| Amy DuRoss | Director | $606,431 | -$305,745 | -34% | Mixed | 24 Feb 2026 |
| Dusty Tenney | COO and President | $548,872 | Mixed | 03 May 2021 | ||
| Raymond W. Cohen | Director | $475,025 | Mixed | 12 Jul 2021 | ||
| Anthony Hunt | Director | $339,738 | Mixed | 24 Feb 2026 | ||
| Catherine Coste | Director | $313,207 | Mixed | 24 Feb 2026 | ||
| Andrew G. Hinson | Director | $302,419 | Mixed | 16 Aug 2021 |
Top shareholders of BIOLIFE SOLUTIONS INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Casdin Partners Master Fund, L.P. |
3/4/5
|
10%+ Owner |
12%
|
5,957,165
|
$170,059,784 | -$68,710,325 | 15 Oct 2025 | |
| Casdin Capital, LLC |
13D/G
13F
|
Company |
12%
|
5,957,165
|
$151,967,279 | -$19,132,500 | 15 Oct 2025 | |
| BlackRock, Inc. |
13F
|
Company |
12%
|
5,911,614
|
$142,942,826 | — | 31 Dec 2025 | |
| T. Rowe Price Investment Management, Inc. |
13F
13D/G
|
Company |
11%
from 13D/G
|
5,180,824
|
$125,273,000 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
13D/G
|
Company |
8.2%
from 13D/G
|
3,932,191
|
$95,080,378 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
6.4%
|
3,087,386
|
$74,652,994 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
3.2%
|
1,548,194
|
$37,435,325 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
3.1%
|
1,505,593
|
$36,405,239 | — | 31 Dec 2025 | |
| FRED ALGER MANAGEMENT, LLC |
13F
|
Company |
2.3%
|
1,083,838
|
$26,207,203 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
2.1%
|
1,025,170
|
$24,790,513 | — | 31 Dec 2025 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
2.1%
|
1,004,164
|
$24,280,686 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2%
|
953,126
|
$23,050,226 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
1.9%
|
904,318
|
$21,866,410 | — | 31 Dec 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
1.7%
|
819,275
|
$19,812,000 | — | 31 Dec 2025 | |
| PALISADE CAPITAL MANAGEMENT, LP |
13F
|
Company |
1.7%
|
811,010
|
$19,610,222 | — | 31 Dec 2025 | |
| GENEVA CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.7%
|
803,538
|
$19,429,537 | — | 31 Dec 2025 | |
| Rockefeller Capital Management L.P. |
13F
|
Company |
1.5%
|
705,863
|
$17,067,767 | — | 31 Dec 2025 | |
| Roderick de Greef |
3/4/5
|
President and CEO, Director |
1.5%
|
733,746
|
$16,494,610 | -$3,612,225 | 19 Mar 2026 | |
| Stephens Investment Management Group LLC |
13F
|
Company |
1.3%
|
606,887
|
$14,674,528 | — | 31 Dec 2025 | |
| MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.2%
|
575,463
|
$13,914,695 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.1%
|
535,040
|
$12,937,288 | — | 31 Dec 2025 | |
| GAGNON SECURITIES LLC |
13F
|
Company |
1.1%
|
534,357
|
$12,920,752 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.1%
|
521,327
|
$12,605,688 | — | 31 Dec 2025 | |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
|
Company |
1%
|
496,937
|
$12,015,936 | — | 31 Dec 2025 | |
| Granahan Investment Management, LLC |
13F
|
Company |
1%
|
482,356
|
$11,663,368 | — | 31 Dec 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.92%
|
440,054
|
$10,826,464 | — | 31 Dec 2025 | |
| Curi Capital, LLC |
13F
|
Company |
0.88%
|
423,542
|
$10,241,240 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.87%
|
418,678
|
$10,123,634 | — | 31 Dec 2025 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
0.87%
|
417,090
|
$10,085,236 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.79%
|
379,741
|
$9,182,137 | — | 31 Dec 2025 | |
| Capricorn Fund Managers Ltd |
13F
|
Company |
0.79%
|
378,550
|
$9,153,339 | — | 31 Dec 2025 | |
| Aby J. Mathew |
3/4/5
|
EVP & Chief Scientific Officer |
0.81%
|
390,682
|
$8,782,531 | -$145,773 | 19 Mar 2026 | |
| PEREGRINE CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.74%
|
356,343
|
$8,616,374 | — | 31 Dec 2025 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
0.62%
|
298,618
|
$7,220,583 | — | 31 Dec 2025 | |
| Gagnon Advisors, LLC |
13F
|
Company |
0.57%
|
274,217
|
$6,630,567 | — | 31 Dec 2025 | |
| Ranger Investment Management, L.P. |
13F
|
Company |
0.56%
|
270,290
|
$6,535,612 | — | 31 Dec 2025 | |
| NEXT CENTURY GROWTH INVESTORS LLC |
13F
|
Company |
0.55%
|
262,971
|
$6,358,638 | — | 31 Dec 2025 | |
| Michael Rice |
3/4/5
|
Former CEO and Director |
—
class O/S missing
|
347,085
|
$5,938,624 | — | 30 Oct 2023 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.51%
|
243,560
|
$5,889,281 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.51%
|
243,305
|
$5,883,115 | — | 31 Dec 2025 | |
| Summit Creek Advisors LLC |
13F
|
Company |
0.5%
|
238,802
|
$5,774,232 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.48%
|
228,941
|
$5,535,793 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.47%
|
224,700
|
$5,433,246 | — | 31 Dec 2025 | |
| ENVESTNET ASSET MANAGEMENT INC |
13F
|
Company |
0.47%
|
223,922
|
$5,414,434 | — | 31 Dec 2025 | |
| Heights Point Management, LP |
13F
|
Company |
0.45%
|
217,548
|
$5,260,311 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.45%
|
216,283
|
$5,229,711 | — | 31 Dec 2025 | |
| Troy Wichterman |
3/4/5
|
Chief Financial Officer |
0.45%
|
216,900
|
$4,875,912 | -$992,257 | 19 Mar 2026 | |
| Uniplan Investment Counsel, Inc. |
13F
|
Company |
0.41%
|
194,617
|
$4,705,841 | — | 31 Dec 2025 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.39%
|
186,613
|
$4,512,302 | — | 31 Dec 2025 | |
| TD ASSET MANAGEMENT INC |
13F
|
Company |
0.36%
|
170,970
|
$4,134,055 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for BIOLIFE SOLUTIONS INC
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Karen A. Foster | BLFS | Common Stock | Sale | -2.31% | $49,401 | $19.17 | -2,577 | 108,758 | 23 Mar 2026 | Direct |
| Roderick de Greef | BLFS | Common Stock | Tax liability | -1.49% | -11,101 | 733,746 | 19 Mar 2026 | Direct | ||
| Todd Berard | BLFS | Common Stock | Tax liability | -1.13% | -1,879 | 164,061 | 19 Mar 2026 | Direct | ||
| Sean Werner | BLFS | Common Stock | Tax liability | -3.37% | -1,681 | 48,251 | 19 Mar 2026 | Direct | ||
| Troy Wichterman | BLFS | Common Stock | Tax liability | -1.7% | -3,749 | 216,900 | 19 Mar 2026 | Direct | ||
| Sarah Aebersold | BLFS | Common Stock | Tax liability | -1% | -931 | 92,429 | 19 Mar 2026 | Direct | ||
| Karen A. Foster | BLFS | Common Stock | Tax liability | -1.68% | -1,907 | 111,335 | 19 Mar 2026 | Direct | ||
| Aby J. Mathew | BLFS | Common Stock | Tax liability | -0.57% | -2,255 | 390,682 | 19 Mar 2026 | Direct | ||
| Karen A. Foster | BLFS | Common Stock | Sale | -0.44% | $10,000 | $20.00 | -500 | 113,242 | 09 Mar 2026 | Direct |
| Karen A. Foster | BLFS | Common Stock | Sale | -46% | $1,952,998 | $20.15 | -96,923 | 113,742 | 05 Mar 2026 | Direct |
| Sean Werner | BLFS | Common Stock | Sale | -0.22% | $2,302 | $20.74 | -111 | 49,932 | 03 Mar 2026 | Direct |
| Karen A. Foster | BLFS | Common Stock | Sale | -0.2% | $8,669 | $20.74 | -418 | 210,665 | 03 Mar 2026 | Direct |
| Aby J. Mathew | BLFS | Common Stock | Sale | -0.13% | $10,971 | $20.74 | -529 | 392,937 | 03 Mar 2026 | Direct |
| Troy Wichterman | BLFS | Common Stock | Sale | -0.27% | $12,195 | $20.74 | -588 | 220,649 | 03 Mar 2026 | Direct |
| Sarah Aebersold | BLFS | Common Stock | Sale | -0.23% | $4,542 | $20.74 | -219 | 93,360 | 03 Mar 2026 | Direct |
| Todd Berard | BLFS | Common Stock | Sale | -0.21% | $7,321 | $20.74 | -353 | 165,940 | 03 Mar 2026 | Direct |
| Todd Berard | BLFS | Common Stock | Tax liability | -5.05% | -8,846 | 166,293 | 24 Feb 2026 | Direct | ||
| Todd Berard | BLFS | Common Stock | Award | 32.1% | 42,575 | 175,139 | 24 Feb 2026 | Direct | ||
| Amy DuRoss | BLFS | Common Stock | Award | 43.7% | 8,170 | 26,857 | 24 Feb 2026 | Direct | ||
| Troy Wichterman | BLFS | Common Stock | Tax liability | -10.3% | -25,525 | 221,237 | 24 Feb 2026 | Direct | ||
| Troy Wichterman | BLFS | Common Stock | Award | 63.7% | 96,016 | 246,762 | 24 Feb 2026 | Direct | ||
| Anthony Hunt | BLFS | Common Stock | Award | 118.8% | 8,170 | 15,046 | 24 Feb 2026 | Direct | ||
| Catherine Coste | BLFS | Common Stock | Award | 143.3% | 8,170 | 13,871 | 24 Feb 2026 | Direct | ||
| Rachel Ellingson | BLFS | Common Stock | Award | 16.4% | 8,170 | 57,995 | 24 Feb 2026 | Direct | ||
| Roderick de Greef | BLFS | Common Stock | Tax liability | -20% | -153,196 | 612,009 | 24 Feb 2026 | Direct | ||
| Roderick de Greef | BLFS | Common Stock | Award | 157.3% | 508,045 | 831,033 | 24 Feb 2026 | Direct | ||
| Aby J. Mathew | BLFS | Common Stock | Tax liability | -3.81% | -15,585 | 393,466 | 24 Feb 2026 | Direct | ||
| Aby J. Mathew | BLFS | Common Stock | Award | 17.1% | 59,701 | 409,051 | 24 Feb 2026 | Direct | ||
| Sarah Aebersold | BLFS | Common Stock | Tax liability | -5.77% | -5,734 | 93,579 | 24 Feb 2026 | Direct | ||
| Sarah Aebersold | BLFS | Common Stock | Award | 31.1% | 23,548 | 99,313 | 24 Feb 2026 | Direct | ||
| Sean Werner | BLFS | Common Stock | Award | 93% | 24,116 | 50,043 | 24 Feb 2026 | Direct | ||
| Timothy L. Moore | BLFS | Common Stock | Award | 22.2% | 8,170 | 44,943 | 24 Feb 2026 | Direct | ||
| Karen A. Foster | BLFS | Common Stock | Tax liability | -5.81% | -13,013 | 211,083 | 24 Feb 2026 | Direct | ||
| Karen A. Foster | BLFS | Common Stock | Award | 16.7% | 32,112 | 224,096 | 24 Feb 2026 | Direct | ||
| Joydeep Goswami | BLFS | Common Stock | Award | 18.2% | 8,170 | 53,156 | 24 Feb 2026 | Direct | ||
| Troy Wichterman | BLFS | Common Stock | Sale | -0.65% | $25,334 | $25.59 | -990 | 150,746 | 06 Jan 2026 | Direct |
| Karen A. Foster | BLFS | Common Stock | Sale | -0.17% | $8,573 | $25.59 | -335 | 191,984 | 06 Jan 2026 | Direct |
| Sarah Aebersold | BLFS | Common Stock | Sale | -0.32% | $6,167 | $25.59 | -241 | 75,765 | 06 Jan 2026 | Direct |
| Aby J. Mathew | BLFS | Common Stock | Sale | -0.12% | $10,364 | $25.59 | -405 | 349,350 | 06 Jan 2026 | Direct |
| Todd Berard | BLFS | Common Stock | Sale | -0.26% | $8,803 | $25.59 | -344 | 132,564 | 06 Jan 2026 | Direct |
| Sarah Aebersold | BLFS | Common Stock | Sale | -0.93% | $17,440 | $24.46 | -713 | 76,006 | 15 Dec 2025 | Direct |
| Amy DuRoss | BLFS | Common Stock | Sale | -9.67% | $49,200 | $24.60 | -2,000 | 18,687 | 15 Dec 2025 | Direct |
| Aby J. Mathew | BLFS | Common Stock | Sale | -0.18% | $15,857 | $25.13 | -631 | 349,755 | 09 Dec 2025 | Direct |
| Troy Wichterman | BLFS | Common Stock | Sale | -0.68% | $25,959 | $25.13 | -1,033 | 151,736 | 09 Dec 2025 | Direct |
| Sarah Aebersold | BLFS | Common Stock | Sale | -0.3% | $5,855 | $25.13 | -233 | 76,719 | 09 Dec 2025 | Direct |
| Todd Berard | BLFS | Common Stock | Sale | -0.27% | $8,997 | $25.13 | -358 | 132,908 | 09 Dec 2025 | Direct |
| Karen A. Foster | BLFS | Common Stock | Sale | -0.27% | $13,042 | $25.13 | -519 | 192,319 | 09 Dec 2025 | Direct |
| Troy Wichterman | BLFS | Common Stock | Sale | -16.4% | $771,600 | $25.72 | -30,000 | 152,769 | 04 Dec 2025 | Direct |
| Amy DuRoss | BLFS | Common Stock | Sale | -8.82% | $54,000 | $27.00 | -2,000 | 20,687 | 26 Nov 2025 | Direct |
| Amy DuRoss | BLFS | Common Stock | Sale | -8.1% | $54,000 | $27.00 | -2,000 | 22,687 | 25 Nov 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.