Stocks
HBIO HARVARD BIOSCIENCE INC

HBIO

HARVARD BIOSCIENCE INC

Company with tickers: HBIO

CIK

1123494

Shares Outstanding

4,471,989

Price Holdings Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trading Congress Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-03-20	Frost Mark T	Chief Financial Officer	Award	30,000	—	—	47,500
2026-03-20	Duke John D	Director, Chief Executive Officer	Award	75,000	—	—	180,000
2026-03-17	DENELSKY STEPHEN J	Director	Buy	10,000	$4.87	$48,700	21,000
2026-03-17	Snider William	Director	Buy	8,475	$4.85	$41,104	32,000
2026-03-16	Frost Mark T	Chief Financial Officer	Buy	5,000	$5.00	$25,000	17,500
2026-03-16	Snider William	Director	Buy	12,525	$4.99	$62,500	23,525
2026-03-16	Duke John D	Director, Chief Executive Officer	Buy	5,000	$5.01	$25,050	105,000
2025-12-17	Snider William	Director	Award	110,000	—	—	110,000
2025-12-17	Snider William	Director	Other	0	—	—	0
2025-09-05	DENELSKY STEPHEN J	Director	Award	110,000	—	—	110,000
2025-09-05	DENELSKY STEPHEN J	Director	Other	0	—	—	0
2025-08-15	Green James W	Director	Other	49,048	—	—	2,796,040
2025-08-15	Green James W	Director	Tax	33,200	$0.53	$17,563	2,762,840
2025-08-08	Duke John D	Director, Chief Executive Officer	Award	500,000	—	—	500,000
2025-07-16	Eade Katherine A.	Director	Award	110,000	—	—	421,126
2025-07-16	Gagnon Robert E.	Director	Award	110,000	—	—	110,000
2025-07-16	Benson Seth Benjamin	Director	Award	110,000	—	—	110,000
2025-07-16	Benson Seth Benjamin	Director	Other	0	—	—	0
2025-07-16	Gagnon Robert E.	Director	Other	0	—	—	0
2025-06-02	Duke John D	Director, Chief Executive Officer	Other	0	—	—	0
2025-05-12	Frost Mark T	Chief Financial Officer	Award	100,000	—	—	125,000
2025-05-12	Frost Mark T	Chief Financial Officer	Other	25,000	—	—	25,000
2025-03-19	Cote Jennifer	Chief Financial Officer	Tax	5,687	$0.69	$3,916	159,019
2025-03-19	Green James W	Director	Tax	38,413	$0.69	$26,451	2,845,088
2024-12-31	Green James W	Director	Other	145,365	—	—	2,883,501
2024-12-29	Green James W	Director	Tax	56,915	$1.98	$112,692	3,054,176
2024-12-29	Cote Jennifer	Chief Financial Officer	Tax	4,731	$1.98	$9,367	164,007
2024-06-13	Green James W	Director	Buy	10,000	$2.91	$29,100	3,111,091
2024-06-06	Green James W	Director	Buy	20,000	$3.07	$61,400	3,101,091
2024-05-21	Eade Katherine A.	Director	Award	45,872	—	—	311,126
2024-05-21	LOY BERTRAND	Director	Other	499,633	—	—	499,633
2024-05-21	LOY BERTRAND	Director	Award	56,575	—	—	56,575
2024-05-21	Loewald Thomas W	Director	Award	45,872	—	—	295,311
2024-05-21	EDRICK ALAN I	Director	Award	45,872	—	—	273,911
2024-03-06	Cote Jennifer	Chief Financial Officer	Tax	9,920	$4.11	$40,771	168,738
2024-03-05	Green James W	Director	Award	214,797	—	—	2,866,294
2024-03-05	Cote Jennifer	Chief Financial Officer	Award	35,800	—	—	142,858
2023-12-31	Green James W	Director	Tax	82,790	$5.35	$442,927	2,651,497
2023-12-29	Green James W	Director	Tax	24,187	$5.35	$129,400	2,838,492
2023-12-29	Cote Jennifer	Chief Financial Officer	Tax	3,279	$5.35	$17,543	109,689
2023-08-17	Green James W	Director	Buy	25,000	$4.38	$109,500	2,862,679
2023-06-11	Green James W	Director	Tax	48,373	$5.46	$264,117	2,837,679
2023-05-22	EDRICK ALAN I	Director	Award	25,554	—	—	228,039
2023-05-22	Eade Katherine A.	Director	Award	25,554	—	—	265,254
2023-05-22	Loewald Thomas W	Director	Award	25,554	—	—	249,439
2023-05-22	LOY BERTRAND	Director	Other	420,624	—	—	420,624
2023-05-22	LOY BERTRAND	Director	Award	31,516	—	—	79,009
2023-03-15	EDRICK ALAN I	Director	Buy	16,192	$2.62	$42,423	202,485
2023-03-15	Green James W	Director	Buy	20,000	$2.60	$52,000	2,886,052
2023-03-14	EDRICK ALAN I	Director	Buy	13,808	$2.67	$36,867	186,293
2023-03-14	Green James W	Director	Buy	20,000	$2.67	$53,400	2,866,052
2023-03-06	Green James W	Director	Award	353,140	—	—	2,506,442
2023-03-06	Cote Jennifer	Chief Financial Officer	Award	26,892	—	—	57,226
2023-01-01	Green James W	Director	Tax	49,322	$2.77	$136,622	2,153,302
2023-01-01	Cote Jennifer	Chief Financial Officer	Other	30,334	—	—	30,334
2022-12-29	Rossi Michael A.	Chief Financial Officer	Tax	3,162	$2.55	$8,063	267,338
2022-12-29	Green James W	Director	Tax	24,187	$2.55	$61,677	2,254,624
2022-12-01	Green James W	Director	Buy	15,000	$2.61	$39,150	2,278,811
2022-11-30	Green James W	Director	Buy	15,000	$2.41	$36,150	2,263,811
2022-09-06	LOY BERTRAND	Director	Other	108,715	—	—	0
2022-08-26	LOY BERTRAND	Director	Buy	9,291	$3.41	$31,682	399,651
2022-08-26	LOY BERTRAND	Director	Other	68,466	—	—	68,466
2022-08-25	LOY BERTRAND	Director	Buy	8,244	$3.34	$27,535	390,360
2022-08-24	LOY BERTRAND	Director	Buy	17,291	$3.23	$55,850	382,116
2022-08-24	LOY BERTRAND	Director	Other	68,466	—	—	68,466
2022-08-23	LOY BERTRAND	Director	Buy	8,939	$3.23	$28,873	364,825
2022-08-22	LOY BERTRAND	Director	Buy	4,918	$3.16	$15,541	355,886
2022-08-22	LOY BERTRAND	Director	Other	68,466	—	—	68,466
2022-08-19	LOY BERTRAND	Director	Buy	9,608	$3.28	$31,514	350,968
2022-08-18	LOY BERTRAND	Director	Other	68,466	—	—	68,466
2022-08-18	LOY BERTRAND	Director	Buy	1,151	$3.19	$3,672	341,360
2022-08-17	Green James W	Director	Buy	40,000	$3.19	$127,600	2,248,811
2022-07-18	Rossi Michael A.	Chief Financial Officer	Tax	7,008	$3.63	$25,439	270,500
2022-07-08	Green James W	Director	Tax	92,771	$3.90	$361,807	2,208,811
2022-06-15	Green James W	Director	Buy	30,000	$3.71	$111,300	2,301,582
2022-06-11	Rossi Michael A.	Chief Financial Officer	Tax	6,325	$3.95	$24,984	277,508
2022-06-11	Green James W	Director	Tax	48,373	$3.95	$191,073	2,271,582
2022-05-24	LOY BERTRAND	Director	Award	47,493	—	—	340,209
2022-05-24	LOY BERTRAND	Director	Other	68,466	—	—	68,466
2022-05-24	Loewald Thomas W	Director	Award	38,259	—	—	223,885
2022-05-24	EDRICK ALAN I	Director	Award	38,259	—	—	172,485
2022-05-24	Eade Katherine A.	Director	Award	38,259	—	—	239,700
2022-05-09	Green James W	Director	Buy	10,000	$3.40	$34,000	2,319,955
2022-05-06	Green James W	Director	Buy	30,000	$3.78	$113,400	2,309,955
2022-03-01	Rossi Michael A.	Chief Financial Officer	Award	31,021	—	—	255,117
2022-03-01	Green James W	Director	Award	157,037	—	—	2,134,590
2022-01-01	Loewald Thomas W	Director	Award	2,525	—	—	185,626
2022-01-01	EDRICK ALAN I	Director	Award	2,525	—	—	134,226
2022-01-01	LOY BERTRAND	Director	Award	4,489	—	—	292,716
2022-01-01	LOY BERTRAND	Director	Other	68,466	—	—	68,466
2022-01-01	Green James W	Director	Tax	47,424	$7.05	$334,339	1,977,554
2022-01-01	Eade Katherine A.	Director	Award	2,525	—	—	201,441
2021-12-29	Rossi Michael A.	Chief Financial Officer	Tax	3,163	$7.27	$22,995	227,859
2021-12-29	Olson Kenneth Fletcher	Chief Operating Officer	Tax	2,812	$7.27	$20,443	158,942
2021-12-29	Green James W	Director	Other	24,187	$7.27	$175,839	2,053,761
2021-12-28	LOY BERTRAND	Director	Award	1,401	—	—	288,227
2021-12-28	LOY BERTRAND	Director	Other	68,466	—	—	68,466
2021-12-28	Loewald Thomas W	Director	Award	1,401	—	—	183,101
2021-12-28	EDRICK ALAN I	Director	Award	1,401	—	—	131,701
2021-12-28	Eade Katherine A.	Director	Award	1,401	—	—	198,916