Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2021-09-27 Sale | 2021-09-29 7:15 pm | Generation Bio Co. | GBIO | ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC Atlas Venture Opportunity Fund I L.P. Atlas Venture Associates Opportunity I LLC 10% Owner | 81,088 | $25.4 | $2,059,519 | 8,279,484 (Indirect Direct) | View |
2021-09-22 Sale | 2021-09-24 8:59 pm | Generation Bio Co. | GBIO | ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC Atlas Venture Opportunity Fund I L.P. Atlas Venture Associates Opportunity I LLC 10% Owner | 134,998 | $26.02 | $3,511,993 | 8,360,572 (Indirect Direct) | View |
2021-08-11 Sale | 2021-08-12 10:42 am | Kymera Therapeutics Inc. | KYMR | ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC 10% Owner | 242,133 | $61 | $14,770,113 | 5,763,012 (Indirect Direct) | View |
2021-06-24 Sale | 2021-06-28 4:56 pm | Generation Bio Co. | GBIO | ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC Atlas Venture Opportunity Fund I L.P. Atlas Venture Associates Opportunity I LLC 10% Owner | 31,008 | $25.85 | $801,618 | 608 (Indirect Direct) | View |
2021-06-21 Sale | 2021-06-23 8:26 pm | Generation Bio Co. | GBIO | ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC Atlas Venture Associates Opportunity I L.P. Atlas Venture Associates Opportunity I LLC 10% Owner | 185,078 | $25.05 | $4,635,967 | 31,616 (Indirect Direct) | View |
2021-04-12 Sale | 2021-04-14 8:19 pm | Generation Bio Co. | GBIO | ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC 10% Owner | 140,682 | $25.92 | $3,646,968 | 9,111,939 (Indirect Direct) | View |
2021-04-07 Sale | 2021-04-09 8:54 pm | Generation Bio Co. | GBIO | ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC 10% Owner | 127,095 | $28.2 | $3,583,860 | 9,252,621 (Indirect Direct) | View |
2021-03-12 Sale | 2021-03-16 7:37 pm | Kymera Therapeutics Inc. | KYMR | ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC 10% Owner | 229,350 | $56.5 | $12,958,275 | 6,885,631 (Indirect Direct) | View |
2019-07-19 Purchase | 2019-07-23 4:09 pm | AVROBIO Inc. | AVRO | Atlas Venture Fund X L.P. ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC 10% Owner | 810,811 | $18.5 | $15,000,004 | 5,567,289 (Indirect) | View |
2019-03-20 Sale | 2019-03-22 5:03 pm | Magenta Therapeutics Inc. | MGTA | Atlas Venture Fund X L.P. ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC 10% Owner | 14,245 | $17.86 | $254,416 | 4,857,870 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion