InsiderTrades

Milligan Sandra

SEC CIK 1859810 · EDGAR

Buying vs selling by month open-market trades, last 35 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
GOSSGossamer Bio, Inc.Dir 58.0K $75.3K — 22023-11-152025-08-19
OGNOrganon & Co.Head of Research, Development 28.6K — — 142022-02-282023-05-04

Most active insiders at GOSS, 12 months

#InsiderTitleBoughtSold
1 Smith Robert Paul JRChief Commercial Off ——
2 Aranda RichardChief Medical Off ——
3 Peterson CarynEVP, Regulatory Affairs ——
4 Giraudo BryanCOO, CFO ——
5 Christian WaageEVP, Tech Ops, Admin ——
6 Hasnain FaheemPres, CEO, Dir ——

Milligan Sandra made no open-market trades at GOSS in the last 12 months.

Transactions 16

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2025-08-20 2025-08-19 GOSS Gossamer Bio, Inc. Milligan Sandra Dir P - Purchase $1.92 +26.1K 58.0K +81% +$50.0K
I 2023-11-17 2023-11-15 GOSS Gossamer Bio, Inc. Milligan Sandra Dir P - Purchase $0.79 +32.0K 32.0K New +$25.3K
D 2023-05-08 2023-05-04 OGN Organon & Co. Milligan Sandra Head of Research, Development F - Tax $24.24 -2,168 28.6K -7% -$52.6K
D 2023-05-08 2023-05-04 OGN Organon & Co. Milligan Sandra Head of Research, Development M - OptEx — +4,984 30.8K +19% —
D 2023-05-03 2023-05-01 OGN Organon & Co. Milligan Sandra Head of Research, Development M - OptEx — +1,899 26.6K +8% —
D 2023-05-03 2023-05-01 OGN Organon & Co. Milligan Sandra Head of Research, Development F - Tax $24.63 -826 25.8K -3% -$20.3K
D 2023-04-04 2023-03-31 OGN Organon & Co. Milligan Sandra Head of Research, Development F - Tax $23.09 -2,115 24.7K -8% -$48.8K
D 2023-04-04 2023-03-31 OGN Organon & Co. Milligan Sandra Head of Research, Development M - OptEx $0.00 +5,964 26.8K +29% $0
D 2023-03-02 2023-02-28 OGN Organon & Co. Milligan Sandra Head of Research, Development M - OptEx — +7,976 23.2K +52% —
D 2023-03-02 2023-02-28 OGN Organon & Co. Milligan Sandra Head of Research, Development F - Tax $25.09 -2,346 20.9K -10% -$58.9K
DM 2022-05-05 2022-05-03+ OGN Organon & Co. Milligan Sandra Head of Research, Development M - OptEx — +6,826 17.0K +67% —
DM 2022-05-05 2022-05-03+ OGN Organon & Co. Milligan Sandra Head of Research, Development F - Tax $32.36 -2,331 12.1K -16% -$75.4K
D 2022-05-03 2022-05-01 OGN Organon & Co. Milligan Sandra Head of Research, Development F - Tax $32.33 -540 10.7K -5% -$17.5K
D 2022-05-03 2022-05-01 OGN Organon & Co. Milligan Sandra Head of Research, Development M - OptEx — +1,896 11.3K +20% —
D 2022-03-02 2022-02-28 OGN Organon & Co. Milligan Sandra Head of Research, Development M - OptEx — +10.2K 12.3K +473% —
D 2022-03-02 2022-02-28 OGN Organon & Co. Milligan Sandra Head of Research, Development F - Tax $37.57 -2,941 9,380 -24% -$110.5K

Purchase Sale Sale after option exercise All abbreviations