SEC Form 4 · Updated Daily
ANGO
— ANGIODYNAMICS, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Estate of Howard S. Stern | 10%+ Owner | 1,572,796 | 2006-01-13 | — |
| Burgstahler David F | Director | 1,446,413 | 2017-04-12 | S |
| Avista Capital Partners GP, LLC | 10%+ Owner | 1,446,413 | 2017-04-12 | S |
| Avista Capital Partners, L.P. | 10%+ Owner | 1,446,413 | 2017-04-12 | S |
| Avista Capital Partners (Offshore), L.P. | 10%+ Owner | 1,446,413 | 2017-04-12 | S |
| Navilyst Medical Co-Invest, LLC | 10%+ Owner | 1,446,413 | 2017-04-12 | S |
| Clemmer James C | Director · Officer | 889,176 | 2026-07-22 | M |
| MEYERS DAVID P | Director | 356,980 | 2006-05-19 | M |
| Trowbridge Stephen A | Officer | 314,115 | 2026-07-22 | M |
| DEVIVO JOSEPH | Director · Officer | 198,451 | 2015-09-08 | F |
| DONNELLY HOWARD W | Director | 178,938 | 2026-07-15 | A |
| JOHNSON WESLEY | Director | 155,425 | 2026-07-15 | A |
| ECHENBERG PAUL S | Reporting Owner | 154,412 | 2012-04-23 | M |
| Meteny Dennis S | Director | 140,019 | 2023-07-19 | A |
| REED JAN STERN | Director | 116,921 | 2026-07-15 | A |
| Auen Eileen O'Shea | Director | 116,605 | 2026-07-15 | A |
| Weiss Lawrence T | Officer | 112,618 | 2026-07-15 | A |
| Campbell Chad Thomas | Officer | 111,006 | 2026-07-22 | M |
| Keltjens Jan | Director · Officer | 109,276 | 2011-01-19 | F |
| Licitra Karen A | Director | 102,322 | 2026-07-15 | A |
| HOBBS EAMONN P | Director | 100,401 | 2009-02-13 | S |
| Tarnoff Michael E | Director | 95,265 | 2026-07-15 | A |
| BUCCI VINCENT | Director | 88,312 | 2013-10-23 | A |
| Piccinini Laura | Officer | 86,435 | 2026-07-22 | M |
| GOLD JEFFREY | Director | 83,640 | 2019-07-17 | A |
| Gould Kevin J | Director | 77,504 | 2020-07-14 | A |
| Burgess Lorinda | Director | 67,144 | 2026-07-15 | A |
| Centea Scott | Officer | 65,667 | 2023-07-19 | M |
| Nighan Warren JR | Officer | 64,745 | 2026-07-30 | S |
| LaPorte Steve | Director | 48,484 | 2018-07-18 | A |
| Richard Stark | Officer | 48,163 | 2017-11-15 | M |
| GERSUK D JOSEPH | Officer | 47,275 | 2012-09-04 | F |
| Stern Linda B | 10%+ Owner | 43,386 | 2006-12-20 | M |
| Frost Mark T | Officer | 38,389 | 2015-08-06 | F |
| Helsel Dave | Officer | 37,939 | 2023-07-19 | M |
| Greiner Michael | Officer | 33,438 | 2019-08-18 | F |
| Simpson Robert Arthur | Officer | 31,041 | 2019-07-12 | M |
| Kapusta Matthew C | Director · Officer | 30,062 | 2014-11-17 | F |
| GRAHAM PETER J | Officer | 27,778 | 2006-10-25 | M |
| PANZER ALAN | Officer | 27,500 | 2012-08-17 | A |
| Bourne George W. IV | Officer | 23,613 | 2014-08-06 | F |
| SOTO JOHN | Officer | 22,452 | 2015-09-10 | F |
| Greiner Charles R | Officer | 20,910 | 2016-05-06 | S |
| McGill Stephen | Officer | 20,715 | 2014-01-28 | F |
| APPLING WILLIAM M | Officer | 16,636 | 2010-09-07 | M |
| ROSENZWEIG RICHARD C | Officer | 15,730 | 2023-02-01 | F |
| Boucher Brent J. | Officer | 15,416 | 2020-02-12 | F |
| MAPES HAROLD | Officer | 14,934 | 2010-09-07 | M |
| Etlinger Richard Scott | Officer | 11,957 | 2012-08-17 | A |
| Solano Scott J. | Officer | 10,617 | 2011-08-03 | A |
| McCarthy Shawn P | Officer | 10,392 | 2010-08-17 | F |
| Morris Sean | Officer | 10,253 | 2008-10-21 | — |
| ROSSELL ROBERT M | Officer | 8,945 | 2009-10-08 | A |
| Shea Paul J | Officer | 7,662 | 2007-08-09 | M |
| GERARDI JOSEPH G | Officer | 5,052 | 2007-08-17 | A |
| FLAHERTY ROBERT E | Director | 3,700 | 2007-01-22 | M |
| Orsatti Charles Thomas | Director | 2,000 | 2009-04-17 | P |
| KUNST BRIAN | Officer | 1,500 | 2007-08-17 | A |
| Mitchell Robert D | Officer | 1,242 | 2007-08-17 | A |
| RECINELLA DANIEL | Officer | 1,196 | 2007-08-17 | A |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-07-30 | Nighan Warren JR | Open-market sale | 23,370 | $14.72 | 64,745 |
| 2026-07-22 | Campbell Chad Thomas | Option exercise (derivative) | 22,768 | $0.00 | 0 |
| 2026-07-22 | Campbell Chad Thomas | Tax withholding | 2,330 | $13.82 | 108,676 |
| 2026-07-22 | Campbell Chad Thomas | Option exercise | 6,466 | $0.00 | 111,006 |
| 2026-07-22 | Clemmer James C | Option exercise (derivative) | 184,361 | $0.00 | 0 |
| 2026-07-22 | Clemmer James C | Tax withholding | 26,728 | $13.82 | 862,448 |
| 2026-07-22 | Clemmer James C | Option exercise | 52,358 | $0.00 | 889,176 |
| 2026-07-22 | Trowbridge Stephen A | Option exercise (derivative) | 57,381 | $0.00 | 0 |
| 2026-07-22 | Trowbridge Stephen A | Tax withholding | 8,319 | $13.82 | 305,796 |
| 2026-07-22 | Trowbridge Stephen A | Option exercise | 16,296 | $0.00 | 314,115 |
| 2026-07-22 | Nighan Warren JR | Option exercise (derivative) | 20,052 | $0.00 | 0 |
| 2026-07-22 | Nighan Warren JR | Tax withholding | 1,671 | $13.82 | 88,115 |
| 2026-07-22 | Nighan Warren JR | Option exercise | 5,694 | $0.00 | 89,786 |
| 2026-07-22 | Piccinini Laura | Option exercise (derivative) | 28,336 | $0.00 | 0 |
| 2026-07-22 | Piccinini Laura | Tax withholding | 4,506 | $13.82 | 81,929 |
| 2026-07-22 | Piccinini Laura | Option exercise | 8,047 | $0.00 | 86,435 |
| 2026-07-20 | Campbell Chad Thomas | Tax withholding | 359 | $13.71 | 88,459 |
| 2026-07-20 | Clemmer James C | Tax withholding | 4,223 | $13.71 | 836,818 |
| 2026-07-20 | Nighan Warren JR | Tax withholding | 251 | $13.71 | 66,126 |
| 2026-07-20 | Piccinini Laura | Tax withholding | 616 | $13.71 | 58,528 |
| 2026-07-20 | Trowbridge Stephen A | Tax withholding | 717 | $13.71 | 244,562 |
| 2026-07-19 | Clemmer James C | Tax withholding | 487 | $13.51 | 841,041 |
| 2026-07-19 | Clemmer James C | Tax withholding | 11,764 | $13.51 | 841,528 |
| 2026-07-17 | Campbell Chad Thomas | Tax withholding | 1,112 | $13.51 | 88,818 |
| 2026-07-17 | Clemmer James C | Tax withholding | 10,649 | $13.51 | 853,292 |
| 2026-07-17 | Nighan Warren JR | Tax withholding | 1,373 | $13.51 | 66,377 |
| 2026-07-17 | Piccinini Laura | Tax withholding | 3,074 | $13.51 | 59,144 |
| 2026-07-17 | Trowbridge Stephen A | Tax withholding | 3,510 | $13.51 | 245,279 |
| 2026-07-16 | Campbell Chad Thomas | Tax withholding | 2,367 | $14.14 | 89,930 |
| 2026-07-16 | Clemmer James C | Tax withholding | 18,588 | $14.14 | 863,941 |
| 2026-07-16 | Nighan Warren JR | Tax withholding | 2,153 | $14.14 | 67,750 |
| 2026-07-16 | Piccinini Laura | Tax withholding | 4,538 | $14.14 | 62,218 |
| 2026-07-16 | Trowbridge Stephen A | Tax withholding | 7,840 | $14.14 | 248,789 |
| 2026-07-16 | Weiss Lawrence T | Tax withholding | 2,267 | $14.14 | 91,330 |
| 2026-07-15 | Weiss Lawrence T | Grant / award (derivative) | 21,288 | $0.00 | 21,288 |
| 2026-07-15 | Weiss Lawrence T | Grant / award | 21,288 | $0.00 | 112,618 |
| 2026-07-15 | Campbell Chad Thomas | Grant / award (derivative) | 16,081 | $0.00 | 16,081 |
| 2026-07-15 | Campbell Chad Thomas | Grant / award | 16,081 | $0.00 | 104,540 |
| 2026-07-15 | Nighan Warren JR | Grant / award (derivative) | 17,966 | $0.00 | 17,966 |
| 2026-07-15 | Nighan Warren JR | Grant / award | 17,966 | $0.00 | 84,092 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.