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United States Healthcare Equipment & Supplies

Harvard Bioscience Inc (HBIO)

Track

Over the last 90 days, Harvard Bioscience Inc. has seen net insider buying totaling $202,353.5. Four insiders made net purchases, with executives accounting for $50,050.0 in net buys. All reported transactions within this period were buy orders, indicating positive sentiment from management.
Stock chart
Ticker: HBIO Exchange: NMS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
DENELSKY STEPHEN J
1 purchase — total 48,700 USD
Buy 17 Mar 2026
Value US$4,303,237.75 | Price 116.65 | Shares 61,306
Buy 17 Mar 2026
Value US$344,920.73 | Price 453.33 | Shares 53,365
Buy 16 Mar 2026
Value US$25,000.00 | Price 5.00 | Shares 5,000
Buy 16 Mar 2026
Value US$62,499.75 | Price 4.99 | Shares 12,525
Buy 16 Mar 2026
Value US$25,050.00 | Price 5.01 | Shares 5,000
Buy 13 Jun 2024
Value US$29,100.00 | Price 2.91 | Shares 10,000
Buy 6 Jun 2024
Value US$61,400.00 | Price 3.07 | Shares 20,000
Buy 17 Aug 2023
Value US$109,500.00 | Price 4.38 | Shares 25,000
Buy 15 Mar 2023
Value US$42,423.04 | Price 2.62 | Shares 16,192
Buy 15 Mar 2023
Value US$52,000.00 | Price 2.60 | Shares 20,000
Buy 14 Mar 2023
Value US$36,867.36 | Price 2.67 | Shares 13,808
Buy 14 Mar 2023
Value US$53,400.00 | Price 2.67 | Shares 20,000
Buy 1 Dec 2022
Value US$39,150.00 | Price 2.61 | Shares 15,000
Buy 30 Nov 2022
Value US$36,150.00 | Price 2.41 | Shares 15,000
Buy 26 Aug 2022
Value US$31,682.31 | Price 3.41 | Shares 9,291
Buy 25 Aug 2022
Value US$27,534.96 | Price 3.34 | Shares 8,244
Buy 24 Aug 2022
Value US$55,849.93 | Price 3.23 | Shares 17,291
Buy 23 Aug 2022
Value US$28,872.97 | Price 3.23 | Shares 8,939
Buy 22 Aug 2022
Value US$15,540.88 | Price 3.16 | Shares 4,918
Buy 19 Aug 2022
Value US$31,514.24 | Price 3.28 | Shares 9,608
Buy 18 Aug 2022
Value US$3,671.69 | Price 3.19 | Shares 1,151
Buy 17 Aug 2022
Value US$127,600.00 | Price 3.19 | Shares 40,000
Buy 15 Jun 2022
Value US$111,300.00 | Price 3.71 | Shares 30,000
Buy 9 May 2022
Value US$34,000.00 | Price 3.40 | Shares 10,000
Buy 6 May 2022
Value US$113,400.00 | Price 3.78 | Shares 30,000
Sale 21 May 2021
Value US$173,587.68 | Price 7.14 | Shares 24,312
Sale 20 May 2021
Value US$104,578.28 | Price 7.03 | Shares 14,876
Sale 19 May 2021
Value US$280,977.96 | Price 7.17 | Shares 39,188
Sale 12 Mar 2021
Value US$209,300.00 | Price 5.98 | Shares 35,000
Buy 12 Jun 2020
Value US$52,500.00 | Price 2.63 | Shares 20,000
Buy 7 May 2020
Value US$25,300.00 | Price 2.53 | Shares 10,000
Buy 13 Nov 2019
Value US$15,372.00 | Price 2.52 | Shares 6,100
Buy 12 Nov 2019
Value US$26,553.29 | Price 2.51 | Shares 10,579
Buy 11 Nov 2019
Value US$33,294.45 | Price 2.59 | Shares 12,855
Buy 11 Nov 2019
Value US$26,100.00 | Price 2.61 | Shares 10,000
Buy 8 Nov 2019
Value US$17,466.24 | Price 2.64 | Shares 6,616
Buy 13 Sep 2019
Value US$22,926.92 | Price 3.11 | Shares 7,372
Buy 12 Sep 2019
Value US$34,681.79 | Price 3.07 | Shares 11,297
Buy 11 Sep 2019
Value US$46,925.90 | Price 3.01 | Shares 15,590
Buy 20 Aug 2019
Value US$50,524.00 | Price 2.53 | Shares 20,000
Buy 16 Aug 2019
Value US$24,850.00 | Price 2.49 | Shares 10,000
Buy 9 Aug 2019
Value US$98,829.54 | Price 2.48 | Shares 39,915
Planned sale 12 Apr 2019
Value US$1,860.00 | Price 4.65 | Shares 400
Planned sale 11 Apr 2019
Value US$56,036.75 | Price 4.51 | Shares 12,425
Planned sale 10 Apr 2019
Value US$28,494.00 | Price 4.50 | Shares 6,332
Buy 29 Aug 2018
Value US$14,350.00 | Price 5.74 | Shares 2,500
Sale 29 Aug 2018
Value US$51,289.53 | Price 5.77 | Shares 8,889
Planned sale 9 Aug 2018
Value US$285,245.00 | Price 6.41 | Shares 44,500
Planned sale 8 Aug 2018
Value US$34,925.00 | Price 6.35 | Shares 5,500
Planned sale 7 Aug 2018
Value US$607,000.00 | Price 6.07 | Shares 100,000
Planned sale 7 Aug 2018
Value US$608,091.20 | Price 6.08 | Shares 100,015
Planned sale 27 Jul 2018
Value US$346,327.56 | Price 5.54 | Shares 62,514
Planned sale 24 Jul 2018
Value US$29,242.50 | Price 5.25 | Shares 5,570
Planned sale 23 Jul 2018
Value US$7,691.25 | Price 5.25 | Shares 1,465
Planned sale 19 Jul 2018
Value US$5,775.00 | Price 5.25 | Shares 1,100
Planned sale 13 Jul 2018
Value US$5,575.50 | Price 5.25 | Shares 1,062
Planned sale 12 Jul 2018
Value US$48,011.25 | Price 5.25 | Shares 9,145
Planned sale 11 Jul 2018
Value US$74,150.10 | Price 5.22 | Shares 14,205
Planned sale 11 Jul 2018
Value US$738,999.00 | Price 5.23 | Shares 141,300
Planned sale 10 Jul 2018
Value US$62,408.00 | Price 5.38 | Shares 11,600
Planned sale 10 Jul 2018
Value US$73,706.00 | Price 5.38 | Shares 13,700
Planned sale 9 Jul 2018
Value US$76,794.95 | Price 5.41 | Shares 14,195
Planned sale 9 Jul 2018
Value US$76,822.00 | Price 5.41 | Shares 14,200
Sale 14 Mar 2018
Value US$101,905.00 | Price 4.58 | Shares 22,250
Sale 9 Mar 2018
Value US$35,880.00 | Price 4.60 | Shares 7,800
Sale 8 Mar 2018
Value US$358,083.44 | Price 4.52 | Shares 79,222
Sale 7 Mar 2018
Value US$161,598.94 | Price 4.61 | Shares 35,054
Sale 7 Mar 2018
Value US$448,541.94 | Price 4.62 | Shares 97,087
Sale 12 Jun 2017
Value US$58,520.00 | Price 2.66 | Shares 22,000
Buy 12 Jun 2017
Value US$60,720.00 | Price 2.76 | Shares 22,000
Buy 8 Jun 2017
Value US$19,665.60 | Price 2.55 | Shares 7,712
Buy 26 May 2017
Value US$2,330.00 | Price 2.33 | Shares 1,000
Buy 25 May 2017
Value US$16,864.54 | Price 2.33 | Shares 7,238
Buy 25 May 2017
Value US$11,900.00 | Price 2.38 | Shares 5,000
Buy 24 May 2017
Value US$11,850.00 | Price 2.37 | Shares 5,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-03-18 2026-03-17 B Purchase
DENELSKY STEPHEN J
Non-Executive Director
61,306 +26.9%
116.65
US$4,303,238 		61,306 +26.9% 116.65 US$4,303,238
2026-03-18 2026-03-17 B Purchase
Snider William
Non-Executive Director
53,365 +17.3%
453.33
US$344,921 		53,365 +17.3% 453.33 US$344,921
2026-04-01 2026-03-16 B Purchase
3.5
Frost Mark T

Chief Financial Officer

Officer
26,790 -8.7%
236.87
US$1,753,867 		26,790 -8.7% 236.87 US$1,753,867
2026-03-18 2026-03-16 B Purchase
Snider William
Non-Executive Director
12,525 +113.9%
4.99
US$62,500 		12,525 +113.9% 4.99 US$62,500
2026-03-17 2026-03-16 B Purchase
Duke John D

Chief Executive Officer

Executive Director
5,000 +5.0%
5.01
US$25,050 		5,000 +5.0% 5.01 US$25,050
2024-06-14 2024-06-13 B Purchase
3.0
Green James W

Chief Executive Officer

Executive Director
10,000 +0.3%
2.91
US$29,100 		10,000 +0.3% 2.91 US$29,100
2024-06-07 2024-06-06 B Purchase
3.0
Green James W

Chief Executive Officer

Executive Director
20,000 +0.6%
3.07
US$61,400 		20,000 +0.6% 3.07 US$61,400
2023-08-21 2023-08-17 B Purchase
3.0
Green James W

Chief Executive Officer

Executive Director
25,000 +0.9%
4.38
US$109,500 		25,000 +0.9% 4.38 US$109,500
2023-03-16 2023-03-15 B Purchase
3.3
EDRICK ALAN I
Non-Executive Director
16,192 +8.7%
2.62
US$42,423 		16,192 +8.7% 2.62 US$42,423
2023-03-15 2023-03-15 B Purchase
3.0
Green James W

Chief Executive Officer

Executive Director
20,000 +0.7%
2.60
US$52,000 		20,000 +0.7% 2.60 US$52,000
2023-03-16 2023-03-14 B Purchase
3.3
EDRICK ALAN I
Non-Executive Director
13,808 +8.0%
2.67
US$36,867 		13,808 +8.0% 2.67 US$36,867
2023-03-15 2023-03-14 B Purchase
3.0
Green James W

Chief Executive Officer

Executive Director
20,000 +0.7%
2.67
US$53,400 		20,000 +0.7% 2.67 US$53,400
2022-12-02 2022-12-01 B Purchase
3.0
Green James W

Chief Executive Officer

Executive Director
15,000 +0.7%
2.61
US$39,150 		15,000 +0.7% 2.61 US$39,150
2022-12-02 2022-11-30 B Purchase
3.0
Green James W

Chief Executive Officer

Executive Director
15,000 +0.7%
2.41
US$36,150 		15,000 +0.7% 2.41 US$36,150
2022-08-29 2022-08-26 B Purchase
2.6
LOY BERTRAND
Non-Executive Director
9,291 +2.4%
3.41
US$31,682 		9,291 +2.4% 3.41 US$31,682
2022-08-26 2022-08-25 B Purchase
2.6
LOY BERTRAND
Non-Executive Director
8,244 +2.2%
3.34
US$27,535 		8,244 +2.2% 3.34 US$27,535
2022-08-26 2022-08-24 B Purchase
2.6
LOY BERTRAND
Non-Executive Director
17,291 +4.7%
3.23
US$55,850 		17,291 +4.7% 3.23 US$55,850
2022-08-24 2022-08-23 B Purchase
2.6
LOY BERTRAND
Non-Executive Director
8,939 +2.5%
3.23
US$28,873 		8,939 +2.5% 3.23 US$28,873
2022-08-24 2022-08-22 B Purchase
2.6
LOY BERTRAND
Non-Executive Director
4,918 +1.4%
3.16
US$15,541 		4,918 +1.4% 3.16 US$15,541
2022-08-22 2022-08-19 B Purchase
2.6
LOY BERTRAND
Non-Executive Director
9,608 +2.8%
3.28
US$31,514 		9,608 +2.8% 3.28 US$31,514
2022-08-22 2022-08-18 B Purchase
2.6
LOY BERTRAND
Non-Executive Director
1,151 +0.3%
3.19
US$3,672 		1,151 +0.3% 3.19 US$3,672
2022-08-18 2022-08-17 B Purchase
3.0
Green James W

Chief Executive Officer

Executive Director
40,000 +1.8%
3.19
US$127,600 		40,000 +1.8% 3.19 US$127,600
2022-06-17 2022-06-15 B Purchase
3.0
Green James W

Chief Executive Officer

Executive Director
30,000 +1.3%
3.71
US$111,300 		30,000 +1.3% 3.71 US$111,300
2022-05-10 2022-05-09 B Purchase
3.0
Green James W

Chief Executive Officer

Executive Director
10,000 +0.4%
3.40
US$34,000 		10,000 +0.4% 3.40 US$34,000
2022-05-10 2022-05-06 B Purchase
3.0
Green James W

Chief Executive Officer

Executive Director
30,000 +1.3%
3.78
US$113,400 		30,000 +1.3% 3.78 US$113,400
2021-05-25 2021-05-21 S Sale
3.0
Green James W

Chief Executive Officer

Executive Director
24,312 -1.1%
7.14
US$173,588 		24,312 -1.1% 7.14 US$173,588
2021-05-21 2021-05-20 S Sale
3.0
Green James W

Chief Executive Officer

Executive Director
14,876 -0.6%
7.03
US$104,578 		14,876 -0.6% 7.03 US$104,578
2021-05-21 2021-05-19 S Sale
3.0
Green James W

Chief Executive Officer

Executive Director
39,188 -1.7%
7.17
US$280,978 		39,188 -1.7% 7.17 US$280,978
2021-03-16 2021-03-12 S Sale
3.0
Green James W

Chief Executive Officer

Executive Director
35,000 -1.5%
5.98
US$209,300 		35,000 -1.5% 5.98 US$209,300
2020-06-16 2020-06-12 B Purchase
3.3
EDRICK ALAN I
Non-Executive Director
20,000 +42.1%
2.63
US$52,500 		20,000 +42.1% 2.63 US$52,500
2020-05-08 2020-05-07 B Purchase
3.0
Green James W

Chief Executive Officer

Executive Director
10,000 +0.7%
2.53
US$25,300 		10,000 +0.7% 2.53 US$25,300
2019-11-13 2019-11-13 B Purchase LOY BERTRAND Non-Executive Director
6,100 +3.3%
2.52
US$15,372 		6,100 +3.3% 2.52 US$15,372
2019-11-13 2019-11-12 B Purchase LOY BERTRAND Non-Executive Director
10,579 +6.0%
2.51
US$26,553 		10,579 +6.0% 2.51 US$26,553
2019-11-13 2019-11-11 B Purchase LOY BERTRAND Non-Executive Director
12,855 +7.8%
2.59
US$33,294 		12,855 +7.8% 2.59 US$33,294
2019-11-13 2019-11-11 B Purchase
3.0
Green James W

Chief Executive Officer

Executive Director
10,000 +0.7%
2.61
US$26,100 		10,000 +0.7% 2.61 US$26,100
2019-11-13 2019-11-08 B Purchase LOY BERTRAND Non-Executive Director
6,616 +4.2%
2.64
US$17,466 		6,616 +4.2% 2.64 US$17,466
2019-09-13 2019-09-13 B Purchase
2.6
LOY BERTRAND
7,372 +4.9%
3.11
US$22,927 		7,372 +4.9% 3.11 US$22,927
2019-09-13 2019-09-12 B Purchase
2.6
LOY BERTRAND
11,297 +8.1%
3.07
US$34,682 		11,297 +8.1% 3.07 US$34,682
2019-09-13 2019-09-11 B Purchase
2.6
LOY BERTRAND
15,590 +12.7%
3.01
US$46,926 		15,590 +12.7% 3.01 US$46,926
2019-08-20 2019-08-20 B Purchase Loewald Thomas W Non-Executive Director
20,000 +24.0%
2.53
US$50,524 		20,000 +24.0% 2.53 US$50,524
2019-08-19 2019-08-16 B Purchase
3.0
Green James W

Chief Executive Officer

Executive Director
10,000 +0.7%
2.49
US$24,850 		10,000 +0.7% 2.49 US$24,850
2019-08-12 2019-08-09 B Purchase Eade Katherine A. Non-Executive Director
39,915 +48.9%
2.48
US$98,830 		39,915 +48.9% 2.48 US$98,830
2019-04-12 2019-04-12 PlS Planned sale
Duchemin Jeffrey

Chief Executive Officer

Executive Director
400 -0.0%
4.65
US$1,860 		400 -0.0% 4.65 US$1,860
2019-04-12 2019-04-11 PlS Planned sale
Duchemin Jeffrey

Chief Executive Officer

Executive Director
12,425 -1.5%
4.51
US$56,037 		12,425 -1.5% 4.51 US$56,037
2019-04-12 2019-04-10 PlS Planned sale
Duchemin Jeffrey

Chief Executive Officer

Executive Director
6,332 -0.7%
4.50
US$28,494 		6,332 -0.7% 4.50 US$28,494
2018-08-30 2018-08-29 B Purchase Green James W Non-Executive Director
2,500 +1.6%
5.74
US$14,350 		2,500 +1.6% 5.74 US$14,350
2018-08-30 2018-08-29 S Sale
3.1
Gagnon Robert E.

Chief Financial Officer

Officer
8,889 -2.7%
5.77
US$51,290 		8,889 -2.7% 5.77 US$51,290
2018-08-09 2018-08-09 PlS Planned sale Duchemin Jeffrey

Chief Executive Officer

Executive Director
44,500 -5.3%
6.41
US$285,245 		44,500 -5.3% 6.41 US$285,245
2018-08-09 2018-08-08 PlS Planned sale Duchemin Jeffrey

Chief Executive Officer

Executive Director
5,500 -0.7%
6.35
US$34,925 		5,500 -0.7% 6.35 US$34,925
2018-08-09 2018-08-07 PlS Planned sale Duchemin Jeffrey

Chief Executive Officer

Executive Director
100,000 -11.2%
6.07
US$607,000 		100,000 -11.2% 6.07 US$607,000
2018-08-09 2018-08-07 PlS Planned sale Gagnon Robert E.

Chief Financial Officer

Officer
100,015 -22.3%
6.08
US$608,091 		100,015 -22.3% 6.08 US$608,091
2018-07-31 2018-07-27 PlS Planned sale Gagnon Robert E.

Chief Financial Officer

Officer
62,514 -14.7%
5.54
US$346,328 		62,514 -14.7% 5.54 US$346,328
2018-07-26 2018-07-24 PlS Planned sale
3.1
Gagnon Robert E.

Chief Financial Officer

Officer
5,570 -1.5%
5.25
US$29,242 		5,570 -1.5% 5.25 US$29,242
2018-07-23 2018-07-23 PlS Planned sale Gagnon Robert E.

Chief Financial Officer

Officer
1,465 -0.4%
5.25
US$7,691 		1,465 -0.4% 5.25 US$7,691
2018-07-23 2018-07-19 PlS Planned sale
3.1
Gagnon Robert E.

Chief Financial Officer

Officer
1,100 -0.3%
5.25
US$5,775 		1,100 -0.3% 5.25 US$5,775
2018-07-16 2018-07-13 PlS Planned sale Gagnon Robert E.

Chief Financial Officer

Officer
1,062 -0.3%
5.25
US$5,576 		1,062 -0.3% 5.25 US$5,576
2018-07-16 2018-07-12 PlS Planned sale Gagnon Robert E.

Chief Financial Officer

Officer
9,145 -2.3%
5.25
US$48,011 		9,145 -2.3% 5.25 US$48,011
2018-07-11 2018-07-11 PlS Planned sale Duchemin Jeffrey

Chief Executive Officer

Executive Director
14,205 -1.8%
5.22
US$74,150 		14,205 -1.8% 5.22 US$74,150
2018-07-11 2018-07-11 PlS Planned sale Gagnon Robert E.

Chief Financial Officer

Officer
141,300 -26.8%
5.23
US$738,999 		141,300 -26.8% 5.23 US$738,999
2018-07-11 2018-07-10 PlS Planned sale Duchemin Jeffrey

Chief Executive Officer

Executive Director
11,600 -1.4%
5.38
US$62,408 		11,600 -1.4% 5.38 US$62,408
2018-07-11 2018-07-10 PlS Planned sale Gagnon Robert E.

Chief Financial Officer

Officer
13,700 -3.2%
5.38
US$73,706 		13,700 -3.2% 5.38 US$73,706
2018-07-11 2018-07-09 PlS Planned sale Duchemin Jeffrey

Chief Executive Officer

Executive Director
14,195 -1.7%
5.41
US$76,795 		14,195 -1.7% 5.41 US$76,795
2018-07-11 2018-07-09 PlS Planned sale Gagnon Robert E.

Chief Financial Officer

Officer
14,200 -3.3%
5.41
US$76,822 		14,200 -3.3% 5.41 US$76,822
2018-03-15 2018-03-14 S Sale UVEGES GEORGE
22,250 -13.5%
4.58
US$101,905 		22,250 -13.5% 4.58 US$101,905
2018-03-12 2018-03-09 S Sale Duchemin Jeffrey

Chief Executive Officer

Executive Director
7,800 -1.2%
4.60
US$35,880 		7,800 -1.2% 4.60 US$35,880
2018-03-12 2018-03-08 S Sale Duchemin Jeffrey

Chief Executive Officer

Executive Director
79,222 -10.9%
4.52
US$358,083 		79,222 -10.9% 4.52 US$358,083
2018-03-12 2018-03-07 S Sale UVEGES GEORGE
35,054 -17.7%
4.61
US$161,599 		35,054 -17.7% 4.61 US$161,599
2018-03-12 2018-03-07 S Sale
3.1
Gagnon Robert E.

Chief Financial Officer
97,087 -21.3%
4.62
US$448,542 		97,087 -21.3% 4.62 US$448,542
2017-06-13 2017-06-12 S Sale Duchemin Jeffrey

Chief Executive Officer

Executive Director
22,000 -2.7%
2.66
US$58,520 		22,000 -2.7% 2.66 US$58,520
2017-06-13 2017-06-12 B Purchase Duchemin Jeffrey

Chief Executive Officer

Executive Director
22,000 +2.8%
2.76
US$60,720 		22,000 +2.8% 2.76 US$60,720
2017-06-09 2017-06-08 B Purchase Green James W
7,712 +7.5%
2.55
US$19,666 		7,712 +7.5% 2.55 US$19,666
2017-05-30 2017-05-26 B Purchase
3.1
Gagnon Robert E.

Chief Financial Officer

Officer
1,000 +0.2%
2.33
US$2,330 		1,000 +0.2% 2.33 US$2,330
2017-05-30 2017-05-25 B Purchase LEWIS EARL R Non-Executive Director
7,238 +1.6%
2.33
US$16,865 		7,238 +1.6% 2.33 US$16,865
2017-05-30 2017-05-25 B Purchase LEWIS EARL R Non-Executive Director
5,000 +1.1%
2.38
US$11,900 		5,000 +1.1% 2.38 US$11,900
2017-05-25 2017-05-24 B Purchase LEWIS EARL R Non-Executive Director
5,000 +1.2%
2.37
US$11,850 		5,000 +1.2% 2.37 US$11,850
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