$GBIO

📈 Chart

119 transactions across 4 dates · last 180 days

30d 90d 180d 365d
▶ 2026-02-09
98 other
⚡ 13 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Atlas Venture Fund X, L.P. — U 711,193 — — Feb 9
Atlas Venture Fund X, L.P. — U 116,693 — — Feb 9
Atlas Venture Fund X, L.P. — U 60 — — Feb 9
Appelhans Dannielle — U 1,263 — — Feb 9
Appelhans Dannielle — U 736 — — Feb 9
Appelhans Dannielle — D 3,000 — — Feb 9
Appelhans Dannielle — D 3,840 — — Feb 9
Appelhans Dannielle — D 2,500 — — Feb 9
Appelhans Dannielle — D 6,000 — — Feb 9
Christensen Gustav — U 13,142 — — Feb 9
Christensen Gustav — D 3,000 — — Feb 9
Christensen Gustav — D 5,200 — — Feb 9
Christensen Gustav — D 1,500 — — Feb 9
Christensen Gustav — D 1,920 — — Feb 9
Christensen Gustav — D 2,500 — — Feb 9
Christensen Gustav — D 6,000 — — Feb 9
Conway Kevin John CHIEF FINANCIAL OFFICER U 2,072 — — Feb 9
Conway Kevin John CHIEF FINANCIAL OFFICER D 1,192 — — Feb 9
Conway Kevin John CHIEF FINANCIAL OFFICER D 283 — — Feb 9
Conway Kevin John CHIEF FINANCIAL OFFICER D 1,061 — — Feb 9
Conway Kevin John CHIEF FINANCIAL OFFICER D 621 — — Feb 9
Conway Kevin John CHIEF FINANCIAL OFFICER D 1,399 — — Feb 9
Conway Kevin John CHIEF FINANCIAL OFFICER D 2,585 — — Feb 9
Conway Kevin John CHIEF FINANCIAL OFFICER D 2,800 — — Feb 9
Conway Kevin John CHIEF FINANCIAL OFFICER D 5,940 — — Feb 9
Conway Kevin John CHIEF FINANCIAL OFFICER D 200 — — Feb 9
Conway Kevin John CHIEF FINANCIAL OFFICER D 249 — — Feb 9
Conway Kevin John CHIEF FINANCIAL OFFICER D 35,525 — — Feb 9
Conway Kevin John CHIEF FINANCIAL OFFICER D 1,877 — — Feb 9
Conway Kevin John CHIEF FINANCIAL OFFICER D 550 — — Feb 9
Conway Kevin John CHIEF FINANCIAL OFFICER D 1,763 — — Feb 9
Cooper Ronald Harold Wilfred — U 950 — — Feb 9
Cooper Ronald Harold Wilfred — D 3,000 — — Feb 9
Cooper Ronald Harold Wilfred — D 3,000 — — Feb 9
Cooper Ronald Harold Wilfred — D 1,920 — — Feb 9
Cooper Ronald Harold Wilfred — D 2,500 — — Feb 9
Cooper Ronald Harold Wilfred — D 6,000 — — Feb 9
Howze Yalonda INTERIM CEO AND PRESIDENT U 3,759 — — Feb 9
Howze Yalonda INTERIM CEO AND PRESIDENT D 10,710 — — Feb 9
Howze Yalonda INTERIM CEO AND PRESIDENT D 11,883 — — Feb 9
Howze Yalonda INTERIM CEO AND PRESIDENT D 25,102 — — Feb 9
Howze Yalonda INTERIM CEO AND PRESIDENT D 7,630 — — Feb 9
JONAS JEFFREY M — D 3,000 — — Feb 9
JONAS JEFFREY M — D 4,246 — — Feb 9
JONAS JEFFREY M — D 5,200 — — Feb 9
JONAS JEFFREY M — D 1,500 — — Feb 9
JONAS JEFFREY M — D 1,920 — — Feb 9
JONAS JEFFREY M — D 2,500 — — Feb 9
JONAS JEFFREY M — D 6,000 — — Feb 9
MCDONOUGH GEOFF — U 138,492 — — Feb 9
MCDONOUGH GEOFF — U 22,646 — — Feb 9
MCDONOUGH GEOFF — U 27,500 — — Feb 9
MCDONOUGH GEOFF — D 19,903 — — Feb 9
MCDONOUGH GEOFF — D 25,099 — — Feb 9
MCDONOUGH GEOFF — D 37,499 — — Feb 9
MCDONOUGH GEOFF — D 50,624 — — Feb 9
MCDONOUGH GEOFF — D 90,168 — — Feb 9
MCDONOUGH GEOFF — D 16,874 — — Feb 9
MCDONOUGH GEOFF — D 24,046 — — Feb 9
Nicholson Donald William — U 21,357 — — Feb 9
Nicholson Donald William — D 3,000 — — Feb 9
Nicholson Donald William — D 5,200 — — Feb 9
Nicholson Donald William — D 1,500 — — Feb 9
Nicholson Donald William — D 1,920 — — Feb 9
Nicholson Donald William — D 2,500 — — Feb 9
Nicholson Donald William — D 6,000 — — Feb 9
Quinn Anthony G. — U 29,928 — — Feb 9
Quinn Anthony G. — U 7,283 — — Feb 9
Quinn Anthony G. — D 3,000 — — Feb 9
Quinn Anthony G. — D 5,200 — — Feb 9
Quinn Anthony G. — D 1,500 — — Feb 9
Quinn Anthony G. — D 1,920 — — Feb 9
Quinn Anthony G. — D 2,500 — — Feb 9
Quinn Anthony G. — D 6,000 — — Feb 9
Rhodes Jason P — U 711,193 — — Feb 9
Rhodes Jason P — U 116,693 — — Feb 9
Rhodes Jason P — U 60 — — Feb 9
Rhodes Jason P — D 3,000 — — Feb 9
Rhodes Jason P — D 5,200 — — Feb 9
Rhodes Jason P — D 1,500 — — Feb 9
Rhodes Jason P — D 1,920 — — Feb 9
Rhodes Jason P — D 2,500 — — Feb 9
Rhodes Jason P — D 6,000 — — Feb 9
Rowland Charles A Jr — U 53,475 — — Feb 9
Rowland Charles A Jr — D 3,000 — — Feb 9
Rowland Charles A Jr — D 4,246 — — Feb 9
Rowland Charles A Jr — D 5,200 — — Feb 9
Rowland Charles A Jr — D 1,500 — — Feb 9
Rowland Charles A Jr — D 1,920 — — Feb 9
Rowland Charles A Jr — D 2,500 — — Feb 9
Rowland Charles A Jr — D 6,000 — — Feb 9
Stehman-Breen Catherine — U 4,752 — — Feb 9
Stehman-Breen Catherine — D 3,000 — — Feb 9
Stehman-Breen Catherine — D 5,200 — — Feb 9
Stehman-Breen Catherine — D 1,500 — — Feb 9
Stehman-Breen Catherine — D 1,920 — — Feb 9
Stehman-Breen Catherine — D 2,500 — — Feb 9
Stehman-Breen Catherine — D 6,000 — — Feb 9
▶ 2026-02-02
9 other
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Conway Kevin John Chief Financial Officer M 235 — — Feb 4
Conway Kevin John Chief Financial Officer F 72 $6 $406 Feb 4
Conway Kevin John Chief Financial Officer M 235 $0 $0 Feb 4
MCDONOUGH GEOFF — M 1,582 — — Feb 4
MCDONOUGH GEOFF — F 550 $6 $3K Feb 4
MCDONOUGH GEOFF — M 1,582 $0 $0 Feb 4
Howze Yalonda INTERIM CEO & PRESIDENT M 1,673 — — Feb 4
Howze Yalonda INTERIM CEO & PRESIDENT F 495 $6 $3K Feb 4
Howze Yalonda INTERIM CEO & PRESIDENT M 1,673 $0 $0 Feb 4
▶ 2026-01-15
9 other
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Conway Kevin John Chief Financial Officer M 59 — — Jan 16
Conway Kevin John Chief Financial Officer F 17 $6 $96 Jan 16
Conway Kevin John Chief Financial Officer M 59 $0 $0 Jan 16
MCDONOUGH GEOFF — M 395 — — Jan 16
MCDONOUGH GEOFF — F 137 $6 $773 Jan 16
MCDONOUGH GEOFF — M 395 $0 $0 Jan 16
Howze Yalonda CHIEF LEGAL OFFICER M 335 — — Jan 16
Howze Yalonda CHIEF LEGAL OFFICER F 99 $6 $558 Jan 16
Howze Yalonda CHIEF LEGAL OFFICER M 335 $0 $0 Jan 16
▶ 2025-10-31
3 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
MCDONOUGH GEOFF — M 659 — — Nov 21
MCDONOUGH GEOFF — F 293 $6 $2K Nov 21
MCDONOUGH GEOFF — M 659 $0 $0 Nov 21