BLFS

Biolife Solutions INC

Insider trading activity for Biolife Solutions INC, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

-$28.1M

net selling

Bought(0 · 0 insiders): $0
Sold(3 · 1 insiders): $28.1M

Past 12 months

-$56.6M

net selling

Bought(0 · 0 insiders): $0
Sold(49 · 10 insiders): $56.6M

Transaction history

The 100 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Sep 18	Wichterman Troy	Chief Financial Officer	FTAX	937	$36.69	$34.4K	-0.4%	Open the original filing on SEC.gov
Sep 18	De Greef Roderick	President and CEO	FTAX	2,775	$36.69	$101.8K	-0.4%	Open the original filing on SEC.gov
Sep 18	Werner Sean	Chief Technology Officer	FTAX	421	$36.69	$15.4K	-0.9%	Open the original filing on SEC.gov
Sep 18	Mathew Aby J.	EVP & Chief Scientific…	FTAX	564	$36.69	$20.7K	-0.1%	Open the original filing on SEC.gov
Sep 18	Berard Todd	Chief Marketing Officer	FTAX	470	$36.69	$17.2K	-0.3%	Open the original filing on SEC.gov
Sep 8	Wichterman Troy	Chief Financial Officer	FTAX	1,026	$35.38	$36.3K	-0.5%	Open the original filing on SEC.gov
Sep 8	Mathew Aby J.	EVP & Chief Scientific…	FTAX	627	$35.38	$22.2K	-0.2%	Open the original filing on SEC.gov
Sep 8	Berard Todd	Chief Marketing Officer	FTAX	356	$35.38	$12.6K	-0.2%	Open the original filing on SEC.gov
Jul 17	Werner Sean	Chief Technology Officer	FTAX	275	$29.15	$8K	-0.6%	Open the original filing on SEC.gov
Jul 7	Wichterman Troy	Chief Financial Officer	FTAX	844	$27.79	$23.5K	-0.4%	Open the original filing on SEC.gov
Jul 7	Mathew Aby J.	EVP & Chief Scientific…	FTAX	516	$27.79	$14.3K	-0.1%	Open the original filing on SEC.gov
Jul 7	Berard Todd	Chief Marketing Officer	FTAX	293	$27.79	$8.1K	-0.2%	Open the original filing on SEC.gov
Jun 18	Berard Todd	Chief Marketing Officer	FTAX	470	$26.04	$12.2K	-0.3%	Open the original filing on SEC.gov
Jun 18	Werner Sean	Chief Technology Officer	FTAX	420	$26.04	$10.9K	-0.9%	Open the original filing on SEC.gov
Jun 18	De Greef Roderick	President and CEO	FTAX	2,775	$26.04	$72.3K	-0.4%	Open the original filing on SEC.gov
Jun 18	Wichterman Troy	Chief Financial Officer	FTAX	937	$26.04	$24.4K	-0.4%	Open the original filing on SEC.gov
Jun 18	Mathew Aby J.	EVP & Chief Scientific…	FTAX	564	$26.04	$14.7K	-0.1%	Open the original filing on SEC.gov
Jun 8	Wichterman Troy	Chief Financial Officer	FTAX	1,026	$26.10	$26.8K	-0.5%	Open the original filing on SEC.gov
Jun 8	Berard Todd	Chief Marketing Officer	FTAX	356	$26.10	$9.3K	-0.2%	Open the original filing on SEC.gov
Jun 8	Mathew Aby J.	EVP & Chief Scientific…	FTAX	627	$26.10	$16.4K	-0.2%	Open the original filing on SEC.gov
May 21	Casdin Partners Master…	10% Owner	SSELL	650,000	$23.70	$15.4M	-12.0%	Open the original filing on SEC.gov
May 20	Casdin Partners Master…	10% Owner	SSELL	250,000	$23.70	$5.9M	-4.4%	Open the original filing on SEC.gov
May 19	Casdin Partners Master…	10% Owner	SSELL	300,000	$22.65	$6.8M	-5.0%	Open the original filing on SEC.gov
Apr 8	Mathew Aby J.	EVP & Chief Scientific…	FTAX	515	$19.27	$9.9K	-0.1%	Open the original filing on SEC.gov
Apr 8	Berard Todd	Chief Marketing Officer	FTAX	293	$19.27	$5.6K	-0.2%	Open the original filing on SEC.gov
Apr 8	Wichterman Troy	Chief Financial Officer	FTAX	844	$19.27	$16.3K	-0.4%	Open the original filing on SEC.gov
Mar 23	Foster Karen A.	Chief Quality and…	SSELL◷	2,577	$19.17	$49.4K	-2.3%	Open the original filing on SEC.gov
Mar 19	De Greef Roderick	President and CEO	FTAX	11,101	$19.12	$212.3K	-1.5%	Open the original filing on SEC.gov
Mar 19	Berard Todd	Chief Marketing Officer	FTAX	1,879	$19.12	$35.9K	-1.1%	Open the original filing on SEC.gov
Mar 19	Werner Sean	Chief Technology Officer	FTAX	1,681	$19.12	$32.1K	-3.4%	Open the original filing on SEC.gov
Mar 19	Wichterman Troy	Chief Financial Officer	FTAX	3,749	$19.12	$71.7K	-1.7%	Open the original filing on SEC.gov
Mar 19	Foster Karen A.	Chief Quality and…	FTAX	1,907	$19.12	$36.5K	-1.7%	Open the original filing on SEC.gov
Mar 19	Mathew Aby J.	EVP & Chief Scientific…	FTAX	2,255	$19.12	$43.1K	-0.6%	Open the original filing on SEC.gov
Mar 19	Aebersold Sarah	Chief Human Resources…	FTAX	931	$19.12	$17.8K	-1.0%	Open the original filing on SEC.gov
Mar 9	Foster Karen A.	Chief Quality and…	SSELL	500	$20.00	$10K	-0.4%	Open the original filing on SEC.gov
Mar 5	Foster Karen A.	Chief Quality and…	SSELL	96,923	$20.15	$2M	-46.0%	Open the original filing on SEC.gov
Mar 3	Werner Sean	Chief Technology Officer	SSELL◷	111	$20.74	$2.3K	-0.2%	Open the original filing on SEC.gov
Mar 3	Foster Karen A.	Chief Quality and…	SSELL◷	418	$20.74	$8.7K	-0.2%	Open the original filing on SEC.gov
Mar 3	Mathew Aby J.	EVP & Chief Scientific…	SSELL◷	529	$20.74	$11K	-0.1%	Open the original filing on SEC.gov
Mar 3	Wichterman Troy	Chief Financial Officer	SSELL◷	588	$20.74	$12.2K	-0.3%	Open the original filing on SEC.gov
Mar 3	Berard Todd	Chief Marketing Officer	SSELL◷	353	$20.74	$7.3K	-0.2%	Open the original filing on SEC.gov
Mar 3	Aebersold Sarah	Chief Human Resources…	SSELL◷	219	$20.74	$4.5K	-0.2%	Open the original filing on SEC.gov
Feb 24	Berard Todd	Chief Marketing Officer	FTAX	8,846	$22.65	$200.4K	-5.1%	Open the original filing on SEC.gov
Feb 24	Berard Todd	Chief Marketing Officer	AGRANT	22,479	—	—	+14.7%	Open the original filing on SEC.gov
Feb 24	Berard Todd	Chief Marketing Officer	AGRANT	20,096	—	—	+15.2%	Open the original filing on SEC.gov
Feb 24	DuRoss Amy	Director	AGRANT	8,170	—	—	+43.7%	Open the original filing on SEC.gov
Feb 24	Wichterman Troy	Chief Financial Officer	FTAX	25,525	$22.65	$578.1K	-10.3%	Open the original filing on SEC.gov
Feb 24	Wichterman Troy	Chief Financial Officer	AGRANT	64,866	—	—	+35.7%	Open the original filing on SEC.gov
Feb 24	Wichterman Troy	Chief Financial Officer	AGRANT	31,150	—	—	+20.7%	Open the original filing on SEC.gov
Feb 24	Hunt Anthony	Director	AGRANT	8,170	—	—	+118.8%	Open the original filing on SEC.gov
Feb 24	Coste Catherine	Director	AGRANT	8,170	—	—	+143.3%	Open the original filing on SEC.gov
Feb 24	Ellingson Rachel	Director	AGRANT	8,170	—	—	+16.4%	Open the original filing on SEC.gov
Feb 24	De Greef Roderick	President and CEO	FTAX	86,186	$22.65	$2M	-10.4%	Open the original filing on SEC.gov
Feb 24	De Greef Roderick	President and CEO	AGRANT	219,024	—	—	+35.8%	Open the original filing on SEC.gov
Feb 24	De Greef Roderick	President and CEO	FTAX	67,010	$22.65	$1.5M	-9.9%	Open the original filing on SEC.gov
Feb 24	De Greef Roderick	President and CEO	AGRANT	170,291	—	—	+33.5%	Open the original filing on SEC.gov
Feb 24	De Greef Roderick	President and CEO	AGRANT	118,730	—	—	+30.4%	Open the original filing on SEC.gov
Feb 24	Mathew Aby J.	EVP & Chief Scientific…	FTAX	15,585	$22.65	$353K	-3.8%	Open the original filing on SEC.gov
Feb 24	Mathew Aby J.	EVP & Chief Scientific…	AGRANT	39,605	—	—	+10.7%	Open the original filing on SEC.gov
Feb 24	Mathew Aby J.	EVP & Chief Scientific…	AGRANT	20,096	—	—	+5.8%	Open the original filing on SEC.gov
Feb 24	Werner Sean	Chief Technology Officer	AGRANT	24,116	—	—	+93.0%	Open the original filing on SEC.gov
Feb 24	Moore Timothy L.	Director	AGRANT	8,170	—	—	+22.2%	Open the original filing on SEC.gov
Feb 24	Foster Karen A.	Chief Quality and…	FTAX	13,013	$22.65	$294.7K	-5.8%	Open the original filing on SEC.gov
Feb 24	Foster Karen A.	Chief Quality and…	AGRANT	32,112	—	—	+16.7%	Open the original filing on SEC.gov
Feb 24	Goswami Joydeep	Director	AGRANT	8,170	—	—	+18.2%	Open the original filing on SEC.gov
Feb 24	Aebersold Sarah	Chief Human Resources…	FTAX	5,734	$22.65	$129.9K	-5.8%	Open the original filing on SEC.gov
Feb 24	Aebersold Sarah	Chief Human Resources…	AGRANT	23,548	—	—	+31.1%	Open the original filing on SEC.gov
Jan 6	Wichterman Troy	Chief Financial Officer	SSELL◷	990	$25.59	$25.3K	-0.7%	Open the original filing on SEC.gov
Jan 6	Foster Karen A.	Chief Quality and…	SSELL◷	335	$25.59	$8.6K	-0.2%	Open the original filing on SEC.gov
Jan 6	Mathew Aby J.	EVP & Chief Scientific…	SSELL◷	405	$25.59	$10.4K	-0.1%	Open the original filing on SEC.gov
Jan 6	Berard Todd	Chief Marketing Officer	SSELL◷	344	$25.59	$8.8K	-0.3%	Open the original filing on SEC.gov
Jan 6	Aebersold Sarah	Chief Human Resources…	SSELL◷	241	$25.59	$6.2K	-0.3%	Open the original filing on SEC.gov
Dec 15, 2025	DuRoss Amy	Director	SSELL	2,000	$24.60	$49.2K	-9.7%	Open the original filing on SEC.gov
Dec 15, 2025	Aebersold Sarah	Chief Human Resources…	SSELL◷	713	$24.46	$17.4K	-0.9%	Open the original filing on SEC.gov
Dec 9, 2025	Mathew Aby J.	EVP & Chief Scientific…	SSELL◷	631	$25.13	$15.9K	-0.2%	Open the original filing on SEC.gov
Dec 9, 2025	Wichterman Troy	Chief Financial Officer	SSELL◷	1,033	$25.13	$26K	-0.7%	Open the original filing on SEC.gov
Dec 9, 2025	Berard Todd	Chief Marketing Officer	SSELL◷	358	$25.13	$9K	-0.3%	Open the original filing on SEC.gov
Dec 9, 2025	Foster Karen A.	Chief Quality and…	SSELL◷	519	$25.13	$13K	-0.3%	Open the original filing on SEC.gov
Dec 9, 2025	Aebersold Sarah	Chief Human Resources…	SSELL◷	233	$25.13	$5.9K	-0.3%	Open the original filing on SEC.gov
Dec 4, 2025	Wichterman Troy	Chief Financial Officer	SSELL	30,000	$25.72	$771.6K	-16.4%	Open the original filing on SEC.gov
Nov 26, 2025	DuRoss Amy	Director	SSELL	2,000	$27.00	$54K	-8.8%	Open the original filing on SEC.gov
Nov 25, 2025	DuRoss Amy	Director	SSELL	2,000	$27.00	$54K	-8.1%	Open the original filing on SEC.gov
Nov 25, 2025	Berard Todd	Chief Marketing Officer	SSELL◷	351	$26.74	$9.4K	-0.3%	Open the original filing on SEC.gov
Nov 25, 2025	Wichterman Troy	Chief Financial Officer	SSELL◷	584	$26.74	$15.6K	-0.3%	Open the original filing on SEC.gov
Nov 25, 2025	Foster Karen A.	Chief Quality and…	SSELL◷	415	$26.74	$11.1K	-0.2%	Open the original filing on SEC.gov
Nov 25, 2025	Werner Sean	Chief Technology Officer	SSELL◷	110	$26.74	$2.9K	-0.4%	Open the original filing on SEC.gov
Nov 25, 2025	Mathew Aby J.	EVP & Chief Scientific…	SSELL◷	526	$26.74	$14.1K	-0.1%	Open the original filing on SEC.gov
Nov 25, 2025	Aebersold Sarah	Chief Human Resources…	SSELL◷	217	$26.74	$5.8K	-0.3%	Open the original filing on SEC.gov
Nov 21, 2025	DuRoss Amy	Director	SSELL	1,000	$26.00	$26K	-3.9%	Open the original filing on SEC.gov
Nov 20, 2025	DuRoss Amy	Director	SSELL	4,523	$24.51	$110.9K	-15.0%	Open the original filing on SEC.gov
Nov 19, 2025	DuRoss Amy	Director	SSELL	477	$24.50	$11.7K	-1.6%	Open the original filing on SEC.gov
Nov 13, 2025	De Greef Roderick	President and CEO	SSELL	31,165	$25.33	$789.4K	-7.4%	Open the original filing on SEC.gov
Nov 12, 2025	De Greef Roderick	President and CEO	SSELL	33,418	$25.88	$864.9K	-7.3%	Open the original filing on SEC.gov
Nov 11, 2025	De Greef Roderick	President and CEO	SSELL	35,417	$26.15	$926.2K	-7.2%	Open the original filing on SEC.gov
Oct 24, 2025	Goswami Joydeep	Director	SSELL◷	1,666	$28.99	$48.3K	-3.6%	Open the original filing on SEC.gov
Oct 22, 2025	De Greef Roderick	President and CEO	SSELL◷	37,795	$27.30	$1M	-7.2%	Open the original filing on SEC.gov
Oct 20, 2025	Werner Sean	Chief Technology Officer	SSELL◷	275	$27.82	$7.7K	-1.1%	Open the original filing on SEC.gov
Oct 16, 2025	Goswami Joydeep	Director	SSELL◷	1,334	—	—	-2.8%	Open the original filing on SEC.gov
Oct 15, 2025	Casdin Partners Master…	10% Owner	SSELL	750,000	$28.55	$21.4M	-11.2%	Open the original filing on SEC.gov
Oct 9, 2025	Wichterman Troy	Chief Financial Officer	SSELL◷	833	$27.36	$22.8K	-0.4%	Open the original filing on SEC.gov

FTAX$34.4K

Wichterman Troy · Chief Financial…Sep 18

937 sh @ $36.69 · -0.4% own

FTAX$101.8K

De Greef Roderick · President and CEOSep 18

2,775 sh @ $36.69 · -0.4% own

FTAX$15.4K

Werner Sean · Chief Technology…Sep 18

421 sh @ $36.69 · -0.9% own

FTAX$20.7K

Mathew Aby J. · EVP & Chief…Sep 18

564 sh @ $36.69 · -0.1% own

FTAX$17.2K

Berard Todd · Chief Marketing…Sep 18

470 sh @ $36.69 · -0.3% own

FTAX$36.3K

Wichterman Troy · Chief Financial…Sep 8

1,026 sh @ $35.38 · -0.5% own

FTAX$22.2K

Mathew Aby J. · EVP & Chief…Sep 8

627 sh @ $35.38 · -0.2% own

FTAX$12.6K

Berard Todd · Chief Marketing…Sep 8

356 sh @ $35.38 · -0.2% own

FTAX$8K

Werner Sean · Chief Technology…Jul 17

275 sh @ $29.15 · -0.6% own

FTAX$23.5K

Wichterman Troy · Chief Financial…Jul 7

844 sh @ $27.79 · -0.4% own

FTAX$14.3K

Mathew Aby J. · EVP & Chief…Jul 7

516 sh @ $27.79 · -0.1% own

FTAX$8.1K

Berard Todd · Chief Marketing…Jul 7

293 sh @ $27.79 · -0.2% own

FTAX$12.2K

Berard Todd · Chief Marketing…Jun 18

470 sh @ $26.04 · -0.3% own

FTAX$10.9K

Werner Sean · Chief Technology…Jun 18

420 sh @ $26.04 · -0.9% own

FTAX$72.3K

De Greef Roderick · President and CEOJun 18

2,775 sh @ $26.04 · -0.4% own

FTAX$24.4K

Wichterman Troy · Chief Financial…Jun 18

937 sh @ $26.04 · -0.4% own

FTAX$14.7K

Mathew Aby J. · EVP & Chief…Jun 18

564 sh @ $26.04 · -0.1% own

FTAX$26.8K

Wichterman Troy · Chief Financial…Jun 8

1,026 sh @ $26.10 · -0.5% own

FTAX$9.3K

Berard Todd · Chief Marketing…Jun 8

356 sh @ $26.10 · -0.2% own

FTAX$16.4K

Mathew Aby J. · EVP & Chief…Jun 8

627 sh @ $26.10 · -0.2% own

SSELL$15.4M

Casdin Partners Master… · 10% OwnerMay 21

650,000 sh @ $23.70 · -12.0% own

SSELL$5.9M

Casdin Partners Master… · 10% OwnerMay 20

250,000 sh @ $23.70 · -4.4% own

SSELL$6.8M

Casdin Partners Master… · 10% OwnerMay 19

300,000 sh @ $22.65 · -5.0% own

FTAX$9.9K

Mathew Aby J. · EVP & Chief…Apr 8

515 sh @ $19.27 · -0.1% own

FTAX$5.6K

Berard Todd · Chief Marketing…Apr 8

293 sh @ $19.27 · -0.2% own

FTAX$16.3K

Wichterman Troy · Chief Financial…Apr 8

844 sh @ $19.27 · -0.4% own

SSELL◷$49.4K

Foster Karen A. · Chief Quality and…Mar 23

2,577 sh @ $19.17 · -2.3% own

FTAX$212.3K

De Greef Roderick · President and CEOMar 19

11,101 sh @ $19.12 · -1.5% own

FTAX$35.9K

Berard Todd · Chief Marketing…Mar 19

1,879 sh @ $19.12 · -1.1% own

FTAX$32.1K

Werner Sean · Chief Technology…Mar 19

1,681 sh @ $19.12 · -3.4% own

FTAX$71.7K

Wichterman Troy · Chief Financial…Mar 19

3,749 sh @ $19.12 · -1.7% own

FTAX$36.5K

Foster Karen A. · Chief Quality and…Mar 19

1,907 sh @ $19.12 · -1.7% own

FTAX$43.1K

Mathew Aby J. · EVP & Chief…Mar 19

2,255 sh @ $19.12 · -0.6% own

FTAX$17.8K

Aebersold Sarah · Chief Human…Mar 19

931 sh @ $19.12 · -1.0% own

SSELL$10K

Foster Karen A. · Chief Quality and…Mar 9

500 sh @ $20.00 · -0.4% own

SSELL$2M

Foster Karen A. · Chief Quality and…Mar 5

96,923 sh @ $20.15 · -46.0% own

SSELL◷$2.3K

Werner Sean · Chief Technology…Mar 3

111 sh @ $20.74 · -0.2% own

SSELL◷$8.7K

Foster Karen A. · Chief Quality and…Mar 3

418 sh @ $20.74 · -0.2% own

SSELL◷$11K

Mathew Aby J. · EVP & Chief…Mar 3

529 sh @ $20.74 · -0.1% own

SSELL◷$12.2K

Wichterman Troy · Chief Financial…Mar 3

588 sh @ $20.74 · -0.3% own

SSELL◷$7.3K

Berard Todd · Chief Marketing…Mar 3

353 sh @ $20.74 · -0.2% own

SSELL◷$4.5K

Aebersold Sarah · Chief Human…Mar 3

219 sh @ $20.74 · -0.2% own

FTAX$200.4K

Berard Todd · Chief Marketing…Feb 24

8,846 sh @ $22.65 · -5.1% own

AGRANT—

Berard Todd · Chief Marketing…Feb 24

22,479 sh · +14.7% own

AGRANT—

Berard Todd · Chief Marketing…Feb 24

20,096 sh · +15.2% own

AGRANT—

DuRoss Amy · DirectorFeb 24

8,170 sh · +43.7% own

FTAX$578.1K

Wichterman Troy · Chief Financial…Feb 24

25,525 sh @ $22.65 · -10.3% own

AGRANT—

Wichterman Troy · Chief Financial…Feb 24

64,866 sh · +35.7% own

AGRANT—

Wichterman Troy · Chief Financial…Feb 24

31,150 sh · +20.7% own

AGRANT—

Hunt Anthony · DirectorFeb 24

8,170 sh · +118.8% own

AGRANT—

Coste Catherine · DirectorFeb 24

8,170 sh · +143.3% own

AGRANT—

Ellingson Rachel · DirectorFeb 24

8,170 sh · +16.4% own

FTAX$2M

De Greef Roderick · President and CEOFeb 24

86,186 sh @ $22.65 · -10.4% own

AGRANT—

De Greef Roderick · President and CEOFeb 24

219,024 sh · +35.8% own

FTAX$1.5M

De Greef Roderick · President and CEOFeb 24

67,010 sh @ $22.65 · -9.9% own

AGRANT—

De Greef Roderick · President and CEOFeb 24

170,291 sh · +33.5% own

AGRANT—

De Greef Roderick · President and CEOFeb 24

118,730 sh · +30.4% own

FTAX$353K

Mathew Aby J. · EVP & Chief…Feb 24

15,585 sh @ $22.65 · -3.8% own

AGRANT—

Mathew Aby J. · EVP & Chief…Feb 24

39,605 sh · +10.7% own

AGRANT—

Mathew Aby J. · EVP & Chief…Feb 24

20,096 sh · +5.8% own

AGRANT—

Werner Sean · Chief Technology…Feb 24

24,116 sh · +93.0% own

AGRANT—

Moore Timothy L. · DirectorFeb 24

8,170 sh · +22.2% own

FTAX$294.7K

Foster Karen A. · Chief Quality and…Feb 24

13,013 sh @ $22.65 · -5.8% own

AGRANT—

Foster Karen A. · Chief Quality and…Feb 24

32,112 sh · +16.7% own

AGRANT—

Goswami Joydeep · DirectorFeb 24

8,170 sh · +18.2% own

FTAX$129.9K

Aebersold Sarah · Chief Human…Feb 24

5,734 sh @ $22.65 · -5.8% own

AGRANT—

Aebersold Sarah · Chief Human…Feb 24

23,548 sh · +31.1% own

SSELL◷$25.3K

Wichterman Troy · Chief Financial…Jan 6

990 sh @ $25.59 · -0.7% own

SSELL◷$8.6K

Foster Karen A. · Chief Quality and…Jan 6

335 sh @ $25.59 · -0.2% own

SSELL◷$10.4K

Mathew Aby J. · EVP & Chief…Jan 6

405 sh @ $25.59 · -0.1% own

SSELL◷$8.8K

Berard Todd · Chief Marketing…Jan 6

344 sh @ $25.59 · -0.3% own

SSELL◷$6.2K

Aebersold Sarah · Chief Human…Jan 6

241 sh @ $25.59 · -0.3% own

SSELL$49.2K

DuRoss Amy · DirectorDec 15, 2025

2,000 sh @ $24.60 · -9.7% own

SSELL◷$17.4K

Aebersold Sarah · Chief Human…Dec 15, 2025

713 sh @ $24.46 · -0.9% own

SSELL◷$15.9K

Mathew Aby J. · EVP & Chief…Dec 9, 2025

631 sh @ $25.13 · -0.2% own

SSELL◷$26K

Wichterman Troy · Chief Financial…Dec 9, 2025

1,033 sh @ $25.13 · -0.7% own

SSELL◷$9K

Berard Todd · Chief Marketing…Dec 9, 2025

358 sh @ $25.13 · -0.3% own

SSELL◷$13K

Foster Karen A. · Chief Quality and…Dec 9, 2025

519 sh @ $25.13 · -0.3% own

SSELL◷$5.9K

Aebersold Sarah · Chief Human…Dec 9, 2025

233 sh @ $25.13 · -0.3% own

SSELL$771.6K

Wichterman Troy · Chief Financial…Dec 4, 2025

30,000 sh @ $25.72 · -16.4% own

SSELL$54K

DuRoss Amy · DirectorNov 26, 2025

2,000 sh @ $27.00 · -8.8% own

SSELL$54K

DuRoss Amy · DirectorNov 25, 2025

2,000 sh @ $27.00 · -8.1% own

SSELL◷$9.4K

Berard Todd · Chief Marketing…Nov 25, 2025

351 sh @ $26.74 · -0.3% own

SSELL◷$15.6K

Wichterman Troy · Chief Financial…Nov 25, 2025

584 sh @ $26.74 · -0.3% own

SSELL◷$11.1K

Foster Karen A. · Chief Quality and…Nov 25, 2025

415 sh @ $26.74 · -0.2% own

SSELL◷$2.9K

Werner Sean · Chief Technology…Nov 25, 2025

110 sh @ $26.74 · -0.4% own

SSELL◷$14.1K

Mathew Aby J. · EVP & Chief…Nov 25, 2025

526 sh @ $26.74 · -0.1% own

SSELL◷$5.8K

Aebersold Sarah · Chief Human…Nov 25, 2025

217 sh @ $26.74 · -0.3% own

SSELL$26K

DuRoss Amy · DirectorNov 21, 2025

1,000 sh @ $26.00 · -3.9% own

SSELL$110.9K

DuRoss Amy · DirectorNov 20, 2025

4,523 sh @ $24.51 · -15.0% own

SSELL$11.7K

DuRoss Amy · DirectorNov 19, 2025

477 sh @ $24.50 · -1.6% own

SSELL$789.4K

De Greef Roderick · President and CEONov 13, 2025

31,165 sh @ $25.33 · -7.4% own

SSELL$864.9K

De Greef Roderick · President and CEONov 12, 2025

33,418 sh @ $25.88 · -7.3% own

SSELL$926.2K

De Greef Roderick · President and CEONov 11, 2025

35,417 sh @ $26.15 · -7.2% own

SSELL◷$48.3K

Goswami Joydeep · DirectorOct 24, 2025

1,666 sh @ $28.99 · -3.6% own

SSELL◷$1M

De Greef Roderick · President and CEOOct 22, 2025

37,795 sh @ $27.30 · -7.2% own

SSELL◷$7.7K

Werner Sean · Chief Technology…Oct 20, 2025

275 sh @ $27.82 · -1.1% own

SSELL◷—

Goswami Joydeep · DirectorOct 16, 2025

1,334 sh · -2.8% own

SSELL$21.4M

Casdin Partners Master… · 10% OwnerOct 15, 2025

750,000 sh @ $28.55 · -11.2% own

SSELL◷$22.8K

Wichterman Troy · Chief Financial…Oct 9, 2025

833 sh @ $27.36 · -0.4% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

10 of 124 filings we hold were filed after the two-business-day deadline. The furthest past the deadline was 3 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
Dec 9, 2025	Dec 16, 2025	Aebersold SarahChief Human Resources Officer	3days	$17.4K	Filing ↗
Dec 9, 2025	Dec 16, 2025	Wichterman TroyChief Financial Officer	3days	$26K	Filing ↗
Dec 9, 2025	Dec 16, 2025	Mathew Aby J.EVP & Chief Scientific Officer	3days	$15.9K	Filing ↗
Mar 23	Mar 30	Foster Karen A.Chief Quality and Operations	3days	$49.4K	Filing ↗
Dec 9, 2025	Dec 16, 2025	Foster Karen A.Chief Quality and Operations	3days	$13K	Filing ↗

Aebersold SarahChief Human Resources Officer

3days

Traded Dec 9, 2025 · filed Dec 16, 2025Filing ↗

Wichterman TroyChief Financial Officer

3days

Traded Dec 9, 2025 · filed Dec 16, 2025Filing ↗

Mathew Aby J.EVP & Chief Scientific Officer

3days

Traded Dec 9, 2025 · filed Dec 16, 2025Filing ↗

Foster Karen A.Chief Quality and Operations

3days

Traded Mar 23 · filed Mar 30Filing ↗

Foster Karen A.Chief Quality and Operations

3days

Traded Dec 9, 2025 · filed Dec 16, 2025Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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