InsiderFlow

Elena Ridloff

SION

Elena Ridloff serves as CFO & Head of Corp. Dev. at Sionna Therapeutics, Inc. (SION). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

6 trades

$2.77M

Net Position

Net Seller

$2.77M

Companies Traded

3

SION, KYMR, ACAD

Active Period

Apr 2021 – Aug 2025

6 total trades

Most Recent

Sell SION

Aug 29, 2025 · $240.4K

Elena Ridloff's Insider Trading at Sionna Therapeutics, Inc. (SION)

Buys

0 · $0.00

Sells

3 · $1.97M

Total Shares Bought

0

Total Shares Sold

85,000

SION Price Chart
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DateTypeSharesAvg PriceValueShares After
Aug 29, 2025Sell9,584$25.09$240.4K0
Aug 26, 2025Sell23,416$25.70$601.9K0
Aug 19, 2025Sell52,000$21.62$1.12M0

Elena Ridloff's Insider Trading at Kymera Therapeutics, Inc. (KYMR)

Buys

0 · $0.00

Sells

2 · $778.2K

Total Shares Bought

0

Total Shares Sold

16,500

KYMR Price Chart
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DateTypeSharesAvg PriceValueShares After
Jun 11, 2025Sell4,500$50.00$225.0K0
Jun 3, 2025Sell12,000$46.10$553.2K4,800

Elena Ridloff's Insider Trading at ACADIA Pharmaceuticals Inc. (ACAD)

Buys

0 · $0.00

Sells

1 · $21.0K

Total Shares Bought

0

Total Shares Sold

1,032

ACAD Price Chart
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DateTypeSharesAvg PriceValueShares After
Apr 30, 2021Sell1,032$20.33$21.0K10,553