SEC Form 4 · Updated Daily
INFU
— INFUSYSTEM HOLDINGS, 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 |
|---|---|---|---|---|
| BlueLine Capital Partners, L.P. | 10%+ Owner | 3,526,521 | 2019-09-06 | P |
| BlueLine Partners, L.L.C. | 10%+ Owner | 2,823,087 | 2020-06-30 | S |
| I FLOW CORP /DE/ | 10%+ Owner | 2,789,203 | 2007-10-18 | — |
| AWM Investment Company, Inc. | 10%+ Owner | 2,000,000 | 2019-08-09 | P |
| KROIN DAVID | 10%+ Owner | 1,955,000 | 2011-02-08 | S |
| GREAT POINT PARTNERS LLC | 10%+ Owner | 1,955,000 | 2011-02-08 | S |
| JAY JEFFREY R | 10%+ Owner | 1,955,000 | 2011-02-08 | S |
| KLEINHEINZ JOHN B | Reporting Owner | 1,861,480 | 2011-11-29 | — |
| GLOBAL UNDERVALUED SECURITIES MASTER FUND LP | Reporting Owner | 1,861,480 | 2011-11-29 | — |
| KLEINHEINZ CAPITAL PARTNERS, INC. | Reporting Owner | 1,861,480 | 2011-11-29 | — |
| Kleinheinz Capital Partners LDC | Reporting Owner | 1,861,480 | 2011-11-29 | — |
| GLOBAL UNDERVALUED SECURITIES FUND LP | Reporting Owner | 1,861,480 | 2011-11-29 | — |
| Global Undervalued Securities Fund QP L P | Reporting Owner | 1,861,480 | 2011-11-29 | — |
| Global Undervalued Securities Fund Ltd | Reporting Owner | 1,861,480 | 2011-11-29 | — |
| AMARANTH GLOBAL EQUITIES MASTER FUND LTD | 10%+ Owner | 1,835,700 | 2006-04-20 | S |
| AMARANTH LLC | 10%+ Owner | 1,835,700 | 2006-04-20 | S |
| FIR TREE INC | 10%+ Owner | 1,822,500 | 2006-05-10 | S |
| Fir Tree, L.L.C. | 10%+ Owner | 1,822,500 | 2006-05-10 | S |
| Camellia Partners, LLC | 10%+ Owner | 1,822,500 | 2006-05-10 | S |
| TANNENBAUM JEFFREY | 10%+ Owner | 1,822,500 | 2006-05-10 | S |
| Fredman Andrew | 10%+ Owner | 1,822,500 | 2006-05-10 | S |
| Meson Capital Partners LP | Director | 1,545,876 | 2012-05-09 | P |
| Meson Capital Partners LLC | Director | 1,545,876 | 2012-05-09 | P |
| Sansone Partners LP | Director | 1,483,548 | 2017-06-22 | — |
| SANSONE ADVISORS, LLC | Director | 1,483,548 | 2017-06-22 | — |
| SANSONE PARTNERS (QP), LP | Director | 1,483,548 | 2017-06-22 | — |
| SANSONE CAPITAL MANAGEMENT, LLC | Director | 1,483,548 | 2017-06-22 | — |
| McDevitt Sean | Reporting Owner | 1,234,044 | 2009-02-03 | A |
| Meridian OHC Partners, LP | 10%+ Owner · Director | 776,207 | 2020-09-30 | J |
| Morris Ryan J. | Director | 743,262 | 2017-05-19 | P |
| Voris John | Director | 531,348 | 2010-12-03 | A |
| LaVecchia Pat | Director | 527,391 | 2010-12-03 | A |
| BlueLine Capital Partners II, L.P. | Director | 499,850 | 2020-12-07 | S |
| TSV Investment Partners, LLC | 10%+ Owner | 499,850 | 2020-12-07 | S |
| BlueLine Partners, L.L.C. | 10%+ Owner | 499,850 | 2020-12-07 | S |
| Meridian TSV II, LP | 10%+ Owner | 499,850 | 2020-12-07 | S |
| Meridian OHC LLC | 10%+ Owner | 499,850 | 2020-12-07 | S |
| Dilorio Richard | Director · Officer | 467,434 | 2025-05-17 | M |
| Yetter Wayne P. | Director | 407,470 | 2015-08-25 | M |
| MILLON JEAN PIERRE | Director | 352,092 | 2010-12-03 | A |
| Shuda Scott | Director | 278,383 | 2026-09-10 | J |
| Lachance Carrie | Director · Officer | 269,906 | 2026-05-18 | M |
| Enright Erin Suzanne | Officer | 250,000 | 2006-04-11 | — |
| Sansone Christopher R. | Director | 187,280 | 2022-11-17 | S |
| Watkins Steven | Director · Officer | 184,600 | 2008-08-22 | F |
| Steen Eric K | Director · Officer | 168,296 | 2016-12-19 | P |
| WHITTERS JOSEPH E | Director | 143,003 | 2015-08-17 | M |
| Skonieczny Janet | Officer | 133,739 | 2015-03-11 | A |
| Steele Barry G | Officer | 122,149 | 2026-05-17 | A |
| Freddo James L | Director | 115,000 | 2010-12-03 | A |
| Whelan Sean | Director | 107,675 | 2009-11-11 | F |
| Gillman Charles M | Reporting Owner | 82,327 | 2012-04-24 | — |
| Heyman Stephen J | Reporting Owner | 82,327 | 2011-11-29 | — |
| Boston Avenue Capital LLC | Reporting Owner | 82,327 | 2011-11-29 | — |
| Adelson James F | Reporting Owner | 82,327 | 2011-11-29 | — |
| Montgomery Darrell B | Director | 75,000 | 2021-05-14 | M |
| GENDRON PAUL ANDREW | Director | 70,000 | 2026-05-08 | P |
| Chupa Addam | Officer | 63,154 | 2026-05-18 | M |
| Kopra Timothy L. | Director | 50,000 | 2010-12-03 | A |
| Malhotra R. Rimmy | Director | 45,000 | 2023-09-06 | S |
| RUIZ THOMAS MARK | Officer | 42,893 | 2022-09-01 | M |
| Funke Jerod | Officer | 36,811 | 2026-10-09 | M |
| Sheehan Jeannine | Officer | 36,311 | 2022-05-20 | A |
| Downs Christopher | Officer | 28,840 | 2017-08-14 | P |
| Foster Jonathan P. | Officer | 28,707 | 2015-08-18 | P |
| Lehman Gregg Owen | Director | 25,346 | 2023-06-16 | M |
| DREYER DAVID C | Officer | 25,295 | 2018-10-15 | M |
| SVIOKLA JOHN J | Director | 10,000 | 2025-05-15 | — |
| Armstrong Terry L. | Director | 10,000 | 2018-08-22 | P |
| Whitman Kevin | Officer | 6,983 | 2022-09-06 | M |
| Eichenbaum Kenneth D. | Director | 6,000 | 2025-05-28 | P |
| BOYD RALPH F JR | Director | 6,000 | 2024-05-23 | P |
| Hundzinski Ronald T | Director | 5,000 | 2025-05-19 | P |
| HUSS BEVERLY A | Director | 4,300 | 2024-05-22 | P |
| Peele Ronald H. Jr. | Director | 3,000 | 2018-08-20 | P |
| Froisland James M | Officer | 100 | 2011-03-15 | A |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-10-09 | Funke Jerod | Option exercise (derivative) | 7,157 | $0.00 | 0 |
| 2026-10-09 | Funke Jerod | Tax withholding | 2,101 | $13.56 | 34,710 |
| 2026-10-09 | Funke Jerod | Option exercise | 7,157 | $0.00 | 36,811 |
| 2026-09-10 | Shuda Scott | J | 20,000 | $0.00 | 278,383 |
| 2026-05-18 | Chupa Addam | Option exercise (derivative) | 5,447 | $0.00 | 0 |
| 2026-05-18 | Chupa Addam | Tax withholding | 1,994 | $8.90 | 61,160 |
| 2026-05-18 | Chupa Addam | Option exercise | 5,447 | $0.00 | 63,154 |
| 2026-05-18 | Lachance Carrie | Option exercise (derivative) | 8,932 | $0.00 | 0 |
| 2026-05-18 | Lachance Carrie | Tax withholding | 3,515 | $8.90 | 266,391 |
| 2026-05-18 | Lachance Carrie | Option exercise | 8,932 | $0.00 | 269,906 |
| 2026-05-18 | Steele Barry G | Option exercise (derivative) | 8,715 | $0.00 | 0 |
| 2026-05-18 | Steele Barry G | Tax withholding | 3,800 | $8.90 | 117,767 |
| 2026-05-18 | Steele Barry G | Option exercise | 8,715 | $0.00 | 121,567 |
| 2026-05-17 | Chupa Addam | Tax withholding | 4,460 | $8.77 | 57,707 |
| 2026-05-17 | Chupa Addam | Grant / award | 12,184 | $0.00 | 62,167 |
| 2026-05-17 | Lachance Carrie | Tax withholding | 5,322 | $8.77 | 260,974 |
| 2026-05-17 | Lachance Carrie | Grant / award | 21,855 | $0.00 | 266,296 |
| 2026-05-17 | Funke Jerod | Tax withholding | 6,462 | $8.77 | 29,654 |
| 2026-05-17 | Funke Jerod | Grant / award | 14,570 | $0.00 | 36,116 |
| 2026-05-17 | Steele Barry G | Tax withholding | 9,297 | $8.77 | 112,852 |
| 2026-05-17 | Steele Barry G | Grant / award | 21,323 | $0.00 | 122,149 |
| 2026-05-16 | Chupa Addam | Option exercise (derivative) | 4,375 | $0.00 | 8,750 |
| 2026-05-16 | Chupa Addam | Tax withholding | 1,602 | $8.77 | 49,983 |
| 2026-05-16 | Chupa Addam | Option exercise | 4,375 | $0.00 | 51,585 |
| 2026-05-16 | Lachance Carrie | Option exercise (derivative) | 10,418 | $0.00 | 20,832 |
| 2026-05-16 | Lachance Carrie | Tax withholding | 4,100 | $8.77 | 244,441 |
| 2026-05-16 | Lachance Carrie | Option exercise | 10,418 | $0.00 | 248,541 |
| 2026-05-16 | Funke Jerod | Option exercise (derivative) | 5,183 | $0.00 | 10,363 |
| 2026-05-16 | Funke Jerod | Tax withholding | 2,299 | $8.77 | 21,546 |
| 2026-05-16 | Funke Jerod | Option exercise | 5,183 | $0.00 | 23,845 |
| 2026-05-16 | Steele Barry G | Option exercise (derivative) | 7,511 | $0.00 | 15,020 |
| 2026-05-16 | Steele Barry G | Tax withholding | 3,275 | $8.77 | 100,826 |
| 2026-05-16 | Steele Barry G | Option exercise | 7,511 | $0.00 | 104,101 |
| 2026-05-12 | Eichenbaum Kenneth D. | Grant / award (derivative) | 24,890 | $0.00 | 24,890 |
| 2026-05-12 | Funke Jerod | Grant / award (derivative) | 11,478 | $0.00 | 11,478 |
| 2026-05-12 | Funke Jerod | Grant / award (derivative) | 23,913 | $0.00 | 23,913 |
| 2026-05-12 | Lachance Carrie | Grant / award (derivative) | 29,816 | $0.00 | 29,816 |
| 2026-05-12 | Lachance Carrie | Grant / award (derivative) | 62,117 | $0.00 | 62,117 |
| 2026-05-12 | Steele Barry G | Grant / award (derivative) | 17,121 | $0.00 | 17,121 |
| 2026-05-12 | Steele Barry G | Grant / award (derivative) | 35,668 | $0.00 | 35,668 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.