$BLFS

📈 Chart

118 transactions across 37 dates · last 365 days

6-Month Buy/Sell Trend

Buys Sells
2026-04-08
3 other
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Wichterman Troy Chief Financial Officer F 844 $19 $16K Apr 10
Berard Todd Chief Marketing Officer F 293 $19 $6K Apr 10
Mathew Aby J. EVP & Chief Scientific Officer F 515 $19 $10K Apr 10
2026-03-23
▼ 1 sell · $49K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Foster Karen A. Chief Quality and Operations ▼ Sell 2,577 $19 $49K Plan Mar 31
2026-03-19
7 other
⚡ 7 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Aebersold Sarah Chief Human Resources Officer F 931 $19 $18K Mar 23
Mathew Aby J. EVP & Chief Scientific Officer F 2,255 $19 $43K Mar 23
Foster Karen A. Chief Quality and Operations F 1,907 $19 $36K Mar 23
Wichterman Troy Chief Financial Officer F 3,749 $19 $72K Mar 23
Werner Sean Chief Technology Officer F 1,681 $19 $32K Mar 23
Berard Todd Chief Marketing Officer F 1,879 $19 $36K Mar 23
DE GREEF RODERICK President and CEO F 11,101 $19 $212K Mar 23
2026-03-05
▼ 1 sell · $2.0M
Insider Title Type Shares Price $ Value 10b5-1 Filed
Foster Karen A. Chief Quality and Operations ▼ Sell 96,923 $20 $2.0M Mar 9
2026-03-09
▼ 1 sell · $10K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Foster Karen A. Chief Quality and Operations ▼ Sell 500 $20 $10K Mar 9
2026-03-03
▼ 6 sells · $46K
⚡ 6 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Aebersold Sarah Chief Human Resources Officer ▼ Sell 219 $21 $5K Plan Mar 5
Berard Todd Chief Marketing Officer ▼ Sell 353 $21 $7K Plan Mar 5
Wichterman Troy Chief Financial Officer ▼ Sell 588 $21 $12K Plan Mar 5
Mathew Aby J. EVP & Chief Scientific Officer ▼ Sell 529 $21 $11K Plan Mar 5
Foster Karen A. Chief Quality and Operations ▼ Sell 418 $21 $9K Plan Mar 5
Werner Sean Chief Technology Officer ▼ Sell 111 $21 $2K Plan Mar 5
2026-02-24
25 other
⚡ 13 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Aebersold Sarah Chief Human Resources Officer A 23,548 Feb 26
Aebersold Sarah Chief Human Resources Officer F 5,734 $23 $130K Feb 26
GOSWAMI JOYDEEP A 8,170 Feb 26
Foster Karen A. Chief Quality and Operations A 32,112 Feb 26
Foster Karen A. Chief Quality and Operations F 13,013 $23 $295K Feb 26
MOORE TIMOTHY L. A 8,170 Feb 26
Werner Sean Chief Technology Officer A 24,116 Feb 26
Mathew Aby J. EVP & Chief Scientific Officer A 20,096 Feb 26
Mathew Aby J. EVP & Chief Scientific Officer A 39,605 Feb 26
Mathew Aby J. EVP & Chief Scientific Officer F 15,585 $23 $353K Feb 26
DE GREEF RODERICK President and CEO A 118,730 Feb 26
DE GREEF RODERICK President and CEO A 170,291 Feb 26
DE GREEF RODERICK President and CEO F 67,010 $23 $1.5M Feb 26
DE GREEF RODERICK President and CEO A 219,024 Feb 26
DE GREEF RODERICK President and CEO F 86,186 $23 $2.0M Feb 26
Ellingson Rachel A 8,170 Feb 26
Coste Catherine A 8,170 Feb 26
Hunt Anthony A 8,170 Feb 26
Wichterman Troy Chief Financial Officer A 31,150 Feb 26
Wichterman Troy Chief Financial Officer A 64,866 Feb 26
Wichterman Troy Chief Financial Officer F 25,525 $23 $578K Feb 26
DuRoss Amy A 8,170 Feb 26
Berard Todd Chief Marketing Officer A 20,096 Feb 26
Berard Todd Chief Marketing Officer A 22,479 Feb 26
Berard Todd Chief Marketing Officer F 8,846 $23 $200K Feb 26
2026-01-06
▼ 5 sells · $59K
⚡ 5 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Aebersold Sarah Chief Human Resources Officer ▼ Sell 241 $26 $6K Plan Jan 8
Berard Todd Chief Marketing Officer ▼ Sell 344 $26 $9K Plan Jan 8
Mathew Aby J. EVP & Chief Scientific Officer ▼ Sell 405 $26 $10K Plan Jan 8
Foster Karen A. Chief Quality and Operations ▼ Sell 335 $26 $9K Plan Jan 8
Wichterman Troy Chief Financial Officer ▼ Sell 990 $26 $25K Plan Jan 8
2025-12-09
▼ 5 sells · $70K
⚡ 5 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Aebersold Sarah Chief Human Resources Officer ▼ Sell 233 $25 $6K Plan Dec 17
Foster Karen A. Chief Quality and Operations ▼ Sell 519 $25 $13K Plan Dec 17
Berard Todd Chief Marketing Officer ▼ Sell 358 $25 $9K Plan Dec 17
Wichterman Troy Chief Financial Officer ▼ Sell 1,033 $25 $26K Plan Dec 17
Mathew Aby J. EVP & Chief Scientific Officer ▼ Sell 631 $25 $16K Plan Dec 17
2025-12-15
▼ 2 sells · $67K
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Aebersold Sarah Chief Human Resources Officer ▼ Sell 713 $24 $17K Plan Dec 17
DuRoss Amy ▼ Sell 2,000 $25 $49K Dec 17
2025-12-04
▼ 1 sell · $772K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Wichterman Troy Chief Financial Officer ▼ Sell 30,000 $26 $772K Dec 5
2025-11-25
▼ 7 sells · $113K
⚡ 7 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Aebersold Sarah Chief Human Resources Officer ▼ Sell 217 $27 $6K Plan Nov 28
Mathew Aby J. EVP & Chief Scientific Officer ▼ Sell 526 $27 $14K Plan Nov 28
Werner Sean Chief Technology Officer ▼ Sell 110 $27 $3K Plan Nov 28
Foster Karen A. Chief Quality and Operations ▼ Sell 415 $27 $11K Plan Nov 28
Wichterman Troy Chief Financial Officer ▼ Sell 584 $27 $16K Plan Nov 28
Berard Todd Chief Marketing Officer ▼ Sell 351 $27 $9K Plan Nov 28
DuRoss Amy ▼ Sell 2,000 $27 $54K Nov 28
2025-11-26
▼ 1 sell · $54K
Insider Title Type Shares Price $ Value 10b5-1 Filed
DuRoss Amy ▼ Sell 2,000 $27 $54K Nov 28
2025-11-19
▼ 1 sell · $12K
Insider Title Type Shares Price $ Value 10b5-1 Filed
DuRoss Amy ▼ Sell 477 $24 $12K Nov 21
2025-11-20
▼ 1 sell · $111K
Insider Title Type Shares Price $ Value 10b5-1 Filed
DuRoss Amy ▼ Sell 4,523 $25 $111K Nov 21
2025-11-21
▼ 1 sell · $26K
Insider Title Type Shares Price $ Value 10b5-1 Filed
DuRoss Amy ▼ Sell 1,000 $26 $26K Nov 21
2025-11-11
▼ 1 sell · $926K
Insider Title Type Shares Price $ Value 10b5-1 Filed
DE GREEF RODERICK President and CEO ▼ Sell 35,417 $26 $926K Nov 13
2025-11-12
▼ 1 sell · $865K
Insider Title Type Shares Price $ Value 10b5-1 Filed
DE GREEF RODERICK President and CEO ▼ Sell 33,418 $26 $865K Nov 13
2025-11-13
▼ 1 sell · $789K
Insider Title Type Shares Price $ Value 10b5-1 Filed
DE GREEF RODERICK President and CEO ▼ Sell 31,165 $25 $789K Nov 13
2025-10-24
▼ 1 sell · $48K
Insider Title Type Shares Price $ Value 10b5-1 Filed
GOSWAMI JOYDEEP ▼ Sell 1,666 $29 $48K Plan Oct 28
2025-10-22
▼ 1 sell · $1.0M
Insider Title Type Shares Price $ Value 10b5-1 Filed
DE GREEF RODERICK President and CEO ▼ Sell 37,795 $27 $1.0M Plan Oct 24
2025-10-20
▼ 1 sell · $8K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Werner Sean Chief Technology Officer ▼ Sell 275 $28 $8K Plan Oct 22
2025-10-16
▼ 1 sell
Insider Title Type Shares Price $ Value 10b5-1 Filed
GOSWAMI JOYDEEP ▼ Sell 1,334 Plan Oct 20
2025-10-15
▼ 1 sell · $21.4M
Insider Title Type Shares Price $ Value 10b5-1 Filed
Casdin Partners Master Fund, L.P. ▼ Sell 750,000 $29 $21.4M Oct 17
2025-10-09
▼ 5 sells · $61K
⚡ 5 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Aebersold Sarah Chief Human Resources Officer ▼ Sell 188 $27 $5K Plan Oct 14
Foster Karen A. Chief Quality and Operations ▼ Sell 419 $27 $11K Plan Oct 14
Mathew Aby J. EVP & Chief Scientific Officer ▼ Sell 509 $27 $14K Plan Oct 14
Berard Todd Chief Marketing Officer ▼ Sell 289 $27 $8K Plan Oct 14
Wichterman Troy Chief Financial Officer ▼ Sell 833 $27 $23K Plan Oct 14
2025-09-15
▼ 1 sell · $18K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Aebersold Sarah Chief Human Resources Officer ▼ Sell 714 $26 $18K Plan Sep 17
2025-09-11
▼ 6 sells · $76K
⚡ 6 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Aebersold Sarah Chief Human Resources Officer ▼ Sell 233 $27 $6K Plan Sep 15
Mathew Aby J. EVP & Chief Scientific Officer ▼ Sell 630 $27 $17K Plan Sep 15
Berard Todd Chief Marketing Officer ▼ Sell 358 $27 $10K Plan Sep 15
Foster Karen A. Chief Quality and Operations ▼ Sell 511 $27 $14K Plan Sep 15
Wichterman Troy Chief Financial Officer ▼ Sell 1,032 $27 $28K Plan Sep 15
Werner Sean Chief Technology Officer ▼ Sell 72 $27 $2K Plan Sep 15
2025-08-26
▼ 6 sells · $56K
⚡ 6 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Aebersold Sarah Chief Human Resources Officer ▼ Sell 219 $25 $6K Plan Aug 28
Berard Todd Chief Marketing Officer ▼ Sell 354 $25 $9K Plan Aug 28
Wichterman Troy Chief Financial Officer ▼ Sell 590 $25 $15K Plan Aug 28
Werner Sean Chief Technology Officer ▼ Sell 111 $25 $3K Plan Aug 28
Foster Karen A. Chief Quality and Operations ▼ Sell 413 $25 $11K Plan Aug 28
Mathew Aby J. EVP & Chief Scientific Officer ▼ Sell 531 $25 $14K Plan Aug 28
2025-08-25
▼ 1 sell · $255K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Berard Todd Chief Marketing Officer ▼ Sell 10,000 $26 $255K Aug 27
2025-08-15
▼ 1 sell · $12.2M
Insider Title Type Shares Price $ Value 10b5-1 Filed
Casdin Partners Master Fund, L.P. ▼ Sell 500,000 $24 $12.2M Aug 21
2025-08-11
▼ 1 sell · $11.3M
Insider Title Type Shares Price $ Value 10b5-1 Filed
Casdin Partners Master Fund, L.P. ▼ Sell 500,000 $23 $11.3M Aug 13
2025-07-18
▼ 1 sell · $24K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Werner Sean Chief Technology Officer ▼ Sell 1,115 $21 $24K Plan Jul 22
2025-07-07
▼ 5 sells · $52K
⚡ 5 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Aebersold Sarah Chief Human Resources Officer ▼ Sell 198 $22 $4K Plan Jul 9
Berard Todd Chief Marketing Officer ▼ Sell 304 $22 $7K Plan Jul 9
Mathew Aby J. EVP & Chief Scientific Officer ▼ Sell 536 $22 $12K Plan Jul 9
Wichterman Troy Chief Financial Officer ▼ Sell 877 $22 $20K Plan Jul 9
Foster Karen A. Chief Quality and Operations ▼ Sell 400 $22 $9K Plan Jul 9
2025-06-16
▼ 1 sell · $16K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Aebersold Sarah Chief Human Resources Officer ▼ Sell 711 $22 $16K Plan Jun 18
2025-06-10
▼ 7 sells · $23.9M
⚡ 7 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Aebersold Sarah Chief Human Resources Officer ▼ Sell 235 $24 $6K Plan Jun 12
Casdin Partners Master Fund, L.P. ▼ Sell 1,000,000 $24 $23.8M Jun 12
Foster Karen A. Chief Quality and Operations ▼ Sell 320 $24 $8K Plan Jun 12
Werner Sean Chief Technology Officer ▼ Sell 65 $24 $2K Plan Jun 12
Wichterman Troy Chief Financial Officer ▼ Sell 1,042 $24 $25K Plan Jun 12
Mathew Aby J. EVP & Chief Scientific Officer ▼ Sell 637 $24 $15K Plan Jun 12
Berard Todd Chief Marketing Officer ▼ Sell 362 $24 $9K Plan Jun 12
2025-05-28
▼ 6 sells · $46K
⚡ 6 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Aebersold Sarah Chief Human Resources Officer ▼ Sell 217 $22 $5K Plan May 30
Wichterman Troy Chief Financial Officer ▼ Sell 583 $22 $13K Plan May 30
Werner Sean Chief Technology Officer ▼ Sell 109 $22 $2K Plan May 30
Mathew Aby J. EVP & Chief Scientific Officer ▼ Sell 521 $22 $12K Plan May 30
Berard Todd Chief Marketing Officer ▼ Sell 348 $22 $8K Plan May 30
Foster Karen A. Chief Quality and Operations ▼ Sell 251 $22 $6K Plan May 30
2025-05-29
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Mathew Aby J. EVP & Chief Scientific Officer A 45,269 Plan May 30