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BIOLIFE SOLUTIONS INC

BLFS Net selling
CIK 0000834365 #2114 in the set updated 17 Sep 2026
Bought (120 mo)
$90.39M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$335.53M
$10.01M on a plan · $85.81M straight out of an exercise
Sold at will
$239.71M
352 of 918 sales
Net
−$245.14M
−$149.32M against sales at will

By person

25 insiders · 946 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
VILLIGER WALTER
10% owner
$70.66M (52)
−$70.66M
8,293,417
16.96%
$196.55M
−4.5%
GIRSCHWEILER THOMAS
Director
$63.91M (9)
−$63.91M
1,572,451
3.22%
$37.27M
−62.9%
Rice Michael
Former CEO and Director
$29.21M (127) scheduled
−$29.21M
347,085
0.7097%
$8.23M
+174.7%
DE GREEF RODERICK
President and CEO
$22.06M (99) scheduled
−$22.06M
730,971
1.49%
$17.32M
+670.9%
Mathew Aby J.
EVP & Chief Scientific Officer
$20.86M (139) scheduled
−$20.86M
387,833
0.7930%
$9.19M
+381.6%
Foster Karen A.
Chief Quality and Operations
$10.57M (88) scheduled
−$10.57M
108,758
0.2224%
$2.58M
+2,516%
Berard Todd
Chief Marketing Officer
$9.24M (106) scheduled
−$9.24M
162,293
0.3318%
$3.85M
+320.3%
Casdin Partners Master Fund, L.P. entity
10% owner
$90.39M (14)
$96.84M (7)
−$6.44M
13,464,330
27.53%
$319.10M
+21.2%
Wichterman Troy
Chief Financial Officer
$2.41M (60) scheduled
−$2.41M
212,223
0.4339%
$5.03M
+878.7%
Mathers James
Chief Revenue Officer
$1.99M (48) scheduled
−$1.99M
19,856
0.0406%
$470.59K
COHEN RAYMOND W
Director
$1.69M (10)
−$1.69M
27,763
0.0568%
$657.98K
Hinson Andrew G
Director
$1.59M (18)
−$1.59M
17,675
0.0361%
$418.90K
Schick Joseph C
Director
$1.34M (17) scheduled
−$1.34M
43,953
0.0899%
$1.04M
Aebersold Sarah
Chief Human Resources Officer
$1.14M (61) scheduled
−$1.14M
92,429
0.1890%
$2.19M
+248.4%
Schulz Marcus
Chief Revenue Officer
$1.02M (42)
−$1.02M
42,097
0.0861%
$997.70K
+133.3%
DuRoss Amy
Director
$699.17K (10)
−$699.17K
26,857
0.0549%
$636.51K
Phillips Geraint
SVP, Global Operations
$131.66K (12) scheduled
−$131.66K
65,998
0.1349%
$1.56M
+72.0%
Richardson Garrie
Chief Revenue Officer
$77.12K (1) scheduled
−$77.12K
114,773
0.2347%
$2.72M
+66.3%
Werner Sean
Chief Technology Officer
$50.88K (10) scheduled
−$50.88K
47,556
0.0972%
$1.13M
+834.5%
GOSWAMI JOYDEEP
Director
$48.30K (2) scheduled
−$48.30K
53,156
0.1087%
$1.26M
Ellingson Rachel
Director
57,995
0.1186%
$1.37M
MOORE TIMOTHY L.
Director
44,943
0.0919%
$1.07M
Tenney Dusty
COO and President
32,079
0.0656%
$760.27K
Hunt Anthony
Director
15,046
0.0308%
$356.59K
Coste Catherine
Director
13,871
0.0284%
$328.74K

Nothing of that kind in this period.

What was left out

Form 4 filings counted 954
Amendments (4/A) skipped 17
Filings about a different issuer 0
Unreadable filings 0
Joint filings 55
Sales on a Rule 10b5-1 plan 256
Sales straight out of an exercise 310
Sales at will 352
Transactions with no price 1
Shares from compensation/vesting 11,413,766
Sales filed before the plan box existed 319
History held since 1 Sep 2016