InsiderTrades

Atlas Venture Fund XI, L.P.

SEC CIK 1708269 · EDGAR

Buying vs selling by month open-market trades, last 32 months, all 3 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
SIONSionna Therapeutics, Inc.10% 807.7K $1.08M — 32025-02-102025-02-10
XLOXilio Therapeutics, Inc.10% 734.5K — $640 22024-02-082024-02-08
DYNDyne Therapeutics, Inc.10% 7.33M — — 12021-07-132021-07-13

Most active insiders at SION, 12 months

#InsiderTitleBoughtSold
1 Thompson Peter A.Dir —$55.67M
2 ORBIMED ADVISORS LLCDir —$52.73M
3 RA CAPITAL MANAGEMENT, L.P.Dir, 10% —$27.34M
4 Booth BruceDir —$22.09M
5 RA Capital Nexus Fund III, L.P.Dir —$14.76M
6 WINKELRIED JON10% —$10.00M
7 Cloonan MichaelPres, CEO, Dir —$5.13M
8 OrbiMed Capital GP VIII LLCDir —$2.95M
9 Fitzpatrick JenniferCLO, Head of Program Mgmt —$1.21M
10 Kolchinsky PeterDir, 10% —$1.20M

Atlas Venture Fund XI, L.P. made no open-market trades at SION in the last 12 months.

Transactions 6

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DI 2025-02-10 2025-02-10 SION Sionna Therapeutics, Inc. Atlas Venture Fund XI, L.P. 10% P - Purchase $18.00 +60.0K 807.7K +8% +$1.08M
DI 2025-02-10 2025-02-10 SION Sionna Therapeutics, Inc. Atlas Venture Fund XI, L.P. 10% C - Cnv Deriv — +747.7K 747.7K New —
D 2025-02-10 2025-02-10 SION Sionna Therapeutics, Inc. Atlas Venture Fund XI, L.P. 10% C - Cnv Deriv — +2.89M 2.89M New —
I 2024-02-09 2024-02-08 XLO Xilio Therapeutics, Inc. Atlas Venture Fund XI, L.P. 10% S - Sale $0.64 -267 734.5K -0.0% -$170.88
2024-02-09 2024-02-08 XLO Xilio Therapeutics, Inc. Atlas Venture Fund XI, L.P. 10% S - Sale $0.64 -733 2.02M -0.0% -$469.12
2021-07-15 2021-07-13 DYN Dyne Therapeutics, Inc. Atlas Venture Fund XI, L.P. 10% J - Other $0.00 -814.0K 7.33M -10% $0

Purchase Sale Sale after option exercise All abbreviations