Skip to contentArmitage James O — TESARO, Inc. insider: 35 transactions · InsiderLensInsider trading activity of Armitage James O
- Transactions on record
- 35
- since Jul 25, 2006
- Open-market buys
- 5
- $144K
- Open-market sells
- 2
- $1.2M
- Companies traded
- 3
- last filing Jun 15, 2026
Figures computed from official regulatory filings — methodology.
Companies where Armitage James O has traded
Track record of Armitage James O
Statistical track record
Free- Open-market buys
- 5
- Last buy
- Sep 16, 2022
Win rates and median returns are available with a free account (5 insiders/month).
Create a free account→Transaction history of Armitage James O
Co-insiders of Armitage James O
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BARRETT M JAMESTESARO, Inc.
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jun 15, 2026 | AwardD | 40,565 | 0.00 USD | $0 | SEC |
| Jun 27, 2025 | AwardD | 40,565 | 0.00 USD | $0 | SEC |
| Jul 1, 2024 | AwardD | 29,700 | 0.00 USD | $0 | SEC |
| Jun 20, 2023 | AwardD | 27,700 | 0.00 USD | $0 | SEC |
| Oct 11, 2022 | Buy | 13,000 | 1.56 USD | $20.3K | SEC |
| Mar 10, 2022 | AwardD | 26,800 | 0.00 USD | $0 | SEC |
| Jun 14, 2021 | AwardD | 22,000 | 0.00 USD | $0 | SEC |
| May 27, 2021 | Buy | 4,000 | 10.82 USD | $43.3K | SEC |
| Jun 19, 2020 | AwardD | 28,858 | 0.00 USD | $0 | SEC |
| May 18, 2020 | Buy | 10,490 | 1.43 USD | $15K | SEC |
| May 1, 2020 | AwardD | 11,916 | 0.00 USD | $0 | SEC |
| Jan 22, 2019 | OtherD | -12,000 | — | — | SEC |
| Jan 22, 2019 | OtherD | -25,000 | — | — | SEC |
| Jan 22, 2019 | OtherD | -12,000 | — | — | SEC |
| Jan 22, 2019 | OtherD | -4,052 | — | — | SEC |
| Jan 22, 2019 | OtherD | -7,209 | — | — | SEC |
| Jan 22, 2019 | OtherD | -10,000 | — | — | SEC |
| Jan 22, 2019 | Other | -1,500 | 75.00 USD | $112.5K | SEC |
| Jun 5, 2018 | AwardD | 4,052 | 0.00 USD | $0 | SEC |
| Jun 5, 2018 | AwardD | 7,209 | 0.00 USD | $0 | SEC |
| Sep 20, 2017 | Sell | -5,743 | 117.58 USD | $675.3K | SEC |
| Sep 20, 2017 | Exercise | 10,000 | 26.36 USD | $263.6K | SEC |
| Sep 20, 2017 | Sell | -4,257 | 116.52 USD | $496K | SEC |
| Sep 20, 2017 | ExerciseD | -10,000 | 0.00 USD | $0 | SEC |
| Jun 5, 2017 | AwardD | 12,000 | 0.00 USD | $0 | SEC |