Michael J. O'Sullivan
Known title: General CounselCIK: 0001713777
Michael J. O'Sullivan's purchase track record
Michael J. O'Sullivan has no open-market purchases with a full 6 months of price history after it -- too few to call a track record yet.
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 8/12/2026 | BRK-A | $250K | pending | pending | — |
| 5/6/2026 | BRK-A | $251K | +10.2% | pending | — |
Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.
Associated companies
Transaction History
| BRK-A | ▲ Buy | Open Market | 45 | $23K | 8/12/2026 | View on chart |
| BRK-A | ▲ Buy | Open Market | 400 | $205K | 8/12/2026 | View on chart |
| BRK-A | ▲ Buy | Open Market | 43 | $22K | 8/12/2026 | View on chart |
| BRK-A | ▲ Buy | Open Market | 483 | $226K | 5/6/2026 | View on chart |
| BRK-A | ▲ Buy | Open Market | 53 | $25K | 5/6/2026 | View on chart |
| SNAP | ▼ Sell | Open Market | 70,882 | $591K | 11/17/2025 | View on chart |
| SNAP | ▼ Sell | Other | 60,094 | $0 | 11/17/2025 | View on chart |
| SNAP | ▼ Sell | Other | 60,094 | $0 | 11/17/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 24,000 | $186K | 10/31/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 24,000 | $189K | 9/30/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 14,290 | $108K | 9/16/2025 | View on chart |
| SNAP | ▼ Sell | Other | 13,200 | $0 | 9/16/2025 | View on chart |
| SNAP | ▼ Sell | Other | 13,200 | $0 | 9/16/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 24,000 | $172K | 8/29/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 68,705 | $493K | 8/18/2025 | View on chart |
| SNAP | ▼ Sell | Other | 62,270 | $0 | 8/18/2025 | View on chart |
| SNAP | ▼ Sell | Other | 62,270 | $0 | 8/18/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 24,000 | $230K | 7/31/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 24,000 | $209K | 6/30/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 14,297 | $115K | 6/16/2025 | View on chart |
| SNAP | ▼ Sell | Other | 13,194 | $0 | 6/16/2025 | View on chart |
| SNAP | ▼ Sell | Other | 13,194 | $0 | 6/16/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 24,000 | $196K | 5/30/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 68,845 | $592K | 5/16/2025 | View on chart |
| SNAP | ▼ Sell | Other | 62,130 | $0 | 5/16/2025 | View on chart |
| SNAP | ▼ Sell | Other | 62,130 | $0 | 5/16/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 24,000 | $186K | 4/30/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 24,000 | $206K | 3/31/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 14,183 | $125K | 3/17/2025 | View on chart |
| SNAP | ▼ Sell | Other | 13,306 | $0 | 3/17/2025 | View on chart |
| SNAP | ▼ Sell | Other | 13,306 | $0 | 3/17/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 24,000 | $244K | 2/28/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 69,119 | $749K | 2/18/2025 | View on chart |
| SNAP | ▼ Sell | Other | 61,856 | $0 | 2/18/2025 | View on chart |
| SNAP | ▼ Sell | Other | 61,856 | $0 | 2/18/2025 | View on chart |
| SNAP | ▲ Buy | Grant | 1,326,093 | $0 | 2/3/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 18,000 | $207K | 1/31/2025 | View on chart |
| SNAP | ▼ Sell | Open Market | 18,000 | $195K | 12/31/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 56,961 | $652K | 12/16/2024 | View on chart |
| SNAP | ▼ Sell | Other | 52,489 | $0 | 12/16/2024 | View on chart |
| SNAP | ▼ Sell | Other | 52,489 | $0 | 12/16/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 18,000 | $214K | 11/29/2024 | View on chart |
| SNAP | ▼ Sell | Other | 10,951 | $0 | 11/18/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 12,315 | $130K | 11/18/2024 | View on chart |
| SNAP | ▼ Sell | Other | 10,951 | $0 | 11/18/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 18,000 | $222K | 10/31/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 18,000 | $195K | 9/30/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 59,053 | $549K | 9/16/2024 | View on chart |
| SNAP | ▼ Sell | Other | 50,396 | $0 | 9/16/2024 | View on chart |
| SNAP | ▼ Sell | Other | 50,396 | $0 | 9/16/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 18,000 | $167K | 8/30/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 12,512 | $114K | 8/16/2024 | View on chart |
| SNAP | ▼ Sell | Other | 10,754 | $0 | 8/16/2024 | View on chart |
| SNAP | ▼ Sell | Other | 10,754 | $0 | 8/16/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 18,000 | $239K | 7/31/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 18,000 | $298K | 6/28/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 58,924 | $914K | 6/17/2024 | View on chart |
| SNAP | ▼ Sell | Other | 50,525 | $0 | 6/17/2024 | View on chart |
| SNAP | ▼ Sell | Other | 50,525 | $0 | 6/17/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 18,000 | $270K | 5/31/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 12,695 | $202K | 5/16/2024 | View on chart |
| SNAP | ▼ Sell | Other | 10,571 | $0 | 5/16/2024 | View on chart |
| SNAP | ▼ Sell | Other | 10,571 | $0 | 5/16/2024 | View on chart |
| SNAP | ▲ Buy | Grant | 255,926 | $0 | 5/8/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 18,000 | $272K | 4/30/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 18,000 | $208K | 3/28/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 59,641 | $656K | 3/18/2024 | View on chart |
| SNAP | ▼ Sell | Other | 49,807 | $0 | 3/18/2024 | View on chart |
| SNAP | ▼ Sell | Other | 49,807 | $0 | 3/18/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 18,000 | $199K | 2/29/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 160 | $2K | 2/29/2024 | View on chart |
| SNAP | ▲ Buy | Grant | 341,234 | $0 | 2/5/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 13,000 | $210K | 1/31/2024 | View on chart |
| SNAP | ▼ Sell | Open Market | 13,000 | $219K | 12/15/2023 | View on chart |
| SNAP | ▼ Sell | Open Market | 13,000 | $180K | 11/30/2023 | View on chart |
| SNAP | ▼ Sell | Open Market | 35,683 | $425K | 11/16/2023 | View on chart |
| SNAP | ▼ Sell | Other | 30,421 | $0 | 11/16/2023 | View on chart |
| SNAP | ▼ Sell | Other | 30,421 | $0 | 11/16/2023 | View on chart |
| SNAP | ▼ Sell | Open Market | 13,000 | $129K | 10/31/2023 | View on chart |
| SNAP | ▼ Sell | Open Market | 13,000 | $114K | 9/29/2023 | View on chart |
| SNAP | ▼ Sell | Open Market | 13,000 | $134K | 8/31/2023 | View on chart |
| SNAP | ▼ Sell | Open Market | 36,037 | $333K | 8/16/2023 | View on chart |
| SNAP | ▼ Sell | Other | 30,067 | $0 | 8/16/2023 | View on chart |
| SNAP | ▼ Sell | Other | 30,067 | $0 | 8/16/2023 | View on chart |
| SNAP | ▼ Sell | Open Market | 13,000 | $146K | 7/31/2023 | View on chart |
| SNAP | ▼ Sell | Open Market | 13,000 | $154K | 6/30/2023 | View on chart |
| SNAP | ▼ Sell | Open Market | 13,000 | $130K | 5/31/2023 | View on chart |
| SNAP | ▼ Sell | Open Market | 60,793 | $518K | 5/16/2023 | View on chart |
| SNAP | ▼ Sell | Other | 52,187 | $0 | 5/16/2023 | View on chart |
| SNAP | ▼ Sell | Other | 52,187 | $0 | 5/16/2023 | View on chart |
| SNAP | ▼ Sell | Open Market | 13,000 | $111K | 4/28/2023 | View on chart |
| SNAP | ▼ Sell | Open Market | 13,000 | $145K | 3/31/2023 | View on chart |
| SNAP | ▼ Sell | Open Market | 13,000 | $132K | 2/28/2023 | View on chart |
| SNAP | ▼ Sell | Open Market | 61,001 | $675K | 2/16/2023 | View on chart |
| SNAP | ▼ Sell | Other | 51,979 | $0 | 2/16/2023 | View on chart |
| SNAP | ▼ Sell | Other | 51,979 | $0 | 2/16/2023 | View on chart |
| SNAP | ▲ Buy | Grant | 765,678 | $0 | 1/30/2023 | View on chart |
| SNAP | ▼ Sell | Open Market | 5,155 | $44K | 12/16/2022 | View on chart |
| SNAP | ▼ Sell | Other | 4,314 | $0 | 12/16/2022 | View on chart |
| SNAP | ▼ Sell | Other | 4,314 | $0 | 12/16/2022 | View on chart |
| SNAP | ▲ Buy | Grant | 9,469 | $0 | 11/28/2022 | View on chart |
| SNAP | ▼ Sell | Open Market | 44,404 | $496K | 11/16/2022 | View on chart |
| SNAP | ▼ Sell | Other | 35,523 | $0 | 11/16/2022 | View on chart |
| SNAP | ▼ Sell | Other | 35,523 | $0 | 11/16/2022 | View on chart |
| SNAP | ▼ Sell | Open Market | 41,929 | $515K | 8/16/2022 | View on chart |
| SNAP | ▼ Sell | Other | 37,998 | $0 | 8/16/2022 | View on chart |
| SNAP | ▼ Sell | Other | 37,998 | $0 | 8/16/2022 | View on chart |
| SNAP | ▼ Sell | Open Market | 43,701 | $1.0M | 5/16/2022 | View on chart |
| SNAP | ▼ Sell | Other | 36,226 | $0 | 5/16/2022 | View on chart |
| SNAP | ▼ Sell | Other | 36,226 | $0 | 5/16/2022 | View on chart |
| SNAP | ▲ Buy | Grant | 56,992 | $0 | 5/11/2022 | View on chart |
| SNAP | ▼ Sell | Open Market | 6,100 | $177K | 4/29/2022 | View on chart |
| SNAP | ▼ Sell | Open Market | 6,400 | $191K | 4/29/2022 | View on chart |
| SNAP | ▼ Sell | Open Market | 12,500 | $451K | 3/31/2022 | View on chart |
| SNAP | ▼ Sell | Open Market | 8,759 | $347K | 2/28/2022 | View on chart |
| SNAP | ▼ Sell | Open Market | 3,741 | $151K | 2/28/2022 | View on chart |
| SNAP | ▼ Sell | Open Market | 43,837 | $1.7M | 2/16/2022 | View on chart |
| SNAP | ▼ Sell | Other | 36,091 | $0 | 2/16/2022 | View on chart |
| SNAP | ▼ Sell | Other | 36,091 | $0 | 2/16/2022 | View on chart |
| SNAP | ▲ Buy | Grant | 83,594 | $0 | 2/2/2022 | View on chart |
| SNAP | ▼ Sell | Open Market | 1,500 | $62K | 1/5/2022 | View on chart |
| SNAP | ▼ Sell | Open Market | 2,000 | $86K | 1/5/2022 | View on chart |
| SNAP | ▼ Sell | Open Market | 2,500 | $109K | 1/5/2022 | View on chart |
| SNAP | ▼ Sell | Open Market | 3,367 | $150K | 12/15/2021 | View on chart |
| SNAP | ▼ Sell | Open Market | 1,800 | $82K | 12/15/2021 | View on chart |
| SNAP | ▼ Sell | Open Market | 833 | $39K | 12/15/2021 | View on chart |
| SNAP | ▼ Sell | Open Market | 1,352 | $64K | 11/30/2021 | View on chart |
| SNAP | ▼ Sell | Open Market | 836 | $41K | 11/30/2021 | View on chart |
| SNAP | ▼ Sell | Open Market | 3,812 | $179K | 11/30/2021 | View on chart |
| SNAP | ▼ Sell | Open Market | 24,346 | $1.3M | 11/16/2021 | View on chart |
| SNAP | ▼ Sell | Open Market | 900 | $49K | 11/16/2021 | View on chart |
| SNAP | ▼ Sell | Other | 21,629 | $0 | 11/16/2021 | View on chart |
| SNAP | ▼ Sell | Other | 21,629 | $0 | 11/16/2021 | View on chart |
| SNAP | ▼ Sell | Open Market | 5,800 | $305K | 10/29/2021 | View on chart |
| SNAP | ▼ Sell | Open Market | 200 | $11K | 10/29/2021 | View on chart |
| SNAP | ▼ Sell | Open Market | 2,919 | $214K | 9/30/2021 | View on chart |
| SNAP | ▼ Sell | Open Market | 2,481 | $184K | 9/30/2021 | View on chart |
| SNAP | ▼ Sell | Open Market | 600 | $45K | 9/30/2021 | View on chart |
| SNAP | ▼ Sell | Open Market | 1,100 | $82K | 8/31/2021 | View on chart |
| SNAP | ▼ Sell | Open Market | 3,300 | $252K | 8/31/2021 | View on chart |
| SNAP | ▼ Sell | Open Market | 1,600 | $124K | 8/31/2021 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 6, 2026
Snap Faces Shareholder Letter, Launches Collabstr, Discusses Revenue
Blue Duck Capital sent an open letter to Snap’s board asking for action on the Specs technology to unlock shareholder value. Snap also announced Collabstr, a new platform that lets brands partner with creators on the app to reach Gen Z and Millennials. In a recent analysis, Snap said it can grow revenue without a full advertising recovery, highlighting its focus on new monetization paths.
Snap Faces Shareholder Letter, Launches Collabstr, Discusses Revenue. Blue Duck Capital sent an open letter to Snap’s board asking for action on the Specs technology to unlock shareholder value. Snap also announced Collabstr, a new platform that lets brands partner with creators on the app to reach Gen Z and Millennials. In a recent analysis, Snap said it can grow revenue without a full advertising recovery, highlighting its focus on new monetization paths.