InsiderFlow

WEAVER GREGORY L

ATOS

WEAVER GREGORY L serves as officer: Chief Financial Officer at Atossa Therapeutics, Inc. (ATOS). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

4 trades

$188.2K

Total Sells

3 trades

$1.02M

Net Position

Net Seller

$833.8K

Companies Traded

3

ALT, ATOS, ATAI

Active Period

Jun 2021 – Mar 2026

7 total trades

Most Recent

Buy ALT

Mar 9, 2026 · $17.7K

WEAVER GREGORY L's Insider Trading at Atossa Therapeutics, Inc. (ATOS)

Buys

1 · $48.5K

Sells

2 · $997.7K

Total Shares Bought

50,000

Total Shares Sold

214,581

ATOS Price Chart
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DateTypeSharesAvg PriceValueShares After
Nov 15, 2023Sell50,000$0.65$32.5K0
Jun 20, 2023Buy50,000$0.97$48.5K0
Jul 2, 2021Sell164,581$5.86$965.2K0

WEAVER GREGORY L's Insider Trading at Altimmune, Inc. (ALT)

Buys

2 · $69.7K

Sells

1 · $24.3K

Total Shares Bought

15,000

Total Shares Sold

5,672

ALT Price Chart
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DateTypeSharesAvg PriceValueShares After
Mar 9, 2026Buy5,000$3.54$17.7K28,078
Nov 11, 2025Sell5,672$4.28$24.3K0
Mar 13, 2025Buy10,000$5.20$52.0K0

WEAVER GREGORY L's Insider Trading at Atai Beckley N.V (ATAI)

Buys

1 · $70.0K

Sells

0 · $0.00

Total Shares Bought

4,666

Total Shares Sold

0

ATAI Price Chart
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DateTypeSharesAvg PriceValueShares After
Jun 22, 2021Buy4,666$15.00$70.0K0
WEAVER GREGORY L Insider Trading Activity | Atossa Therapeutics, Inc. | InsiderFlow