Skip to contentGROSS MICHAEL S — ADVANCED MAGNETICS INC insider: 721 transactions · InsiderLensGROSS MICHAEL S
- Director at Marathon Acquisition Corp. · on record since Aug 30, 2006
- CEO and Secretary at Marathon Acquisition Corp. · on record since Aug 30, 2006
- 10% owner at Marathon Acquisition Corp. · on record since Aug 30, 2006
- Director at UNITED RENTALS INC /DE · on record since Jan 25, 2006
- Director at APOLLO INVESTMENT CORP · on record since Mar 20, 2006
- Director at SLR Private Credit BDC II LLC · on record since Apr 3, 2023
- Co-CEO, President & Chairman at SLR Private Credit BDC II LLC · on record since Apr 3, 2023
- Director at SAKS INC · on record since May 31, 2006
- Director, President and CEO at APOLLO INVESTMENT CORP · on record since Apr 8, 2004
- Director at JARDEN CORP · on record since May 24, 2007
- Director at Solar Capital Ltd. · on record since Feb 11, 2010
- Director at ADVANCED MAGNETICS INC · on record since Aug 1, 2007
- Director at GLOBAL SIGNAL INC · on record since Mar 16, 2026
- Director at PACER INTERNATIONAL INC · on record since Jul 28, 2003
- Director at ALLIED WASTE INDUSTRIES INC · on record since Aug 20, 2003
- Director at Solar Senior Capital Ltd. · on record since Feb 24, 2011
- 10% owner at Solar Senior Capital Ltd. · on record since Feb 24, 2011
- See Remarks at Solar Capital Ltd. · on record since May 19, 2010
- See Remarks at Solar Senior Capital Ltd. · on record since Mar 5, 2014
- Director at EDUCATE INC · on record since Sep 24, 2004
- Director at SCP Private Credit Income BDC LLC · on record since Aug 28, 2018
- See Remarks at SCP Private Credit Income BDC LLC · on record since Aug 28, 2018
- Director at SLR HC BDC LLC · on record since Mar 30, 2021
- Co-CEO, President & Chairman at SLR HC BDC LLC · on record since Mar 30, 2021
- Former Director at ALLIED WASTE INDUSTRIES INC · on record since Oct 11, 2005
Insider trading activity of GROSS MICHAEL S
- Transactions on record
- 721
- since Aug 5, 2003
- Open-market buys
- 537
- $86.1M
- Open-market sells
- 8
- $1.2M
- Companies traded
- 10
- last filing May 14, 2026
Figures computed from official regulatory filings — methodology.
Companies where GROSS MICHAEL S has traded
Track record of GROSS MICHAEL S
Statistical track record
Free- Open-market buys
- 538
- Last buy
- May 13, 2026
Win rates and median returns are available with a free account (5 insiders/month).
Create a free account→Transaction history of GROSS MICHAEL S
Co-insiders of GROSS MICHAEL S
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3 tx · Nov 12, 2004
APOLLO INVESTMENT FUND IV LPALLIED WASTE INDUSTRIES INC +3
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| May 14, 2026 | Buy | 10,000 | 13.09 USD | $130.9K | SEC |
| May 14, 2026 | Buy | 10,000 | 13.10 USD | $131K | SEC |
| Mar 17, 2026 | ExerciseD | -354,511.38 | 0.00 USD | $0 | SEC |
| Mar 17, 2026 | Buy | 25,000 | 13.91 USD | $347.8K | SEC |
| Mar 17, 2026 | Award | 354,511.38 | — | — | SEC |
| Mar 17, 2026 | AwardD | -466,378.43 | 0.00 USD | $0 | SEC |
| Mar 17, 2026 | Exercise | -354,511.38 | — | — | SEC |
| Mar 17, 2026 | OtherD | -10,986.6 | — | — | SEC |
| Mar 17, 2026 | Buy | 10,452 | 13.90 USD | $145.3K | SEC |
| Mar 5, 2026 | Buy | 89,800 | 14.73 USD | $1.3M | SEC |
| Mar 5, 2026 | Buy | 15,019 | 14.83 USD | $222.7K | SEC |
| Mar 17, 2025 | Buy | 36,822 | 17.51 USD | $644.8K | SEC |
| Mar 17, 2025 | ExerciseD | -311,588.03 | 0.00 USD | $0 | SEC |
| Mar 17, 2025 | Buy | 43,200 | 17.64 USD | $762K | SEC |
| Mar 17, 2025 | Exercise | -311,588.03 | — | — | SEC |
| Mar 17, 2025 | AwardD | -391,610.03 | 0.00 USD | $0 | SEC |
| Mar 17, 2025 | Award | 311,588.03 | — | — | SEC |
| Mar 6, 2025 | Award | 36,822 | 17.51 USD | $644.8K | SEC |
| Mar 6, 2025 | Award | 43,200 | 17.64 USD | $762K | SEC |
| Mar 15, 2024 | Award | 202,577.39 | — | — | SEC |
| Mar 15, 2024 | Exercise | -202,577.39 | — | — | SEC |
| Mar 15, 2024 | AwardD | -405,313.39 | 0.00 USD | $0 | SEC |
| Mar 15, 2024 | ExerciseD | -202,577.39 | 0.00 USD | $0 | SEC |
| Mar 8, 2024 | Buy | 46,700 | 15.44 USD | $721K | SEC |
| Mar 8, 2024 | Buy | 46,700 | 15.72 USD | $734.1K | SEC |