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

$149.7K

Total Sells

3 trades

$1.02M

Net Position

Net Seller

$872.3K

Companies Traded

ALT, ATOS

Active Period

Jul 2021 – Apr 2026

7 total trades

Most Recent

Buy ALT

Apr 1, 2026 · $31.5K

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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Date	Type	Shares	Avg Price	Value
Nov 15, 2023	Sell	50,000	$0.65	$32.5K
Jun 20, 2023	Buy	50,000	$0.97	$48.5K
Jul 2, 2021	Sell	164,581	$5.86	$965.2K

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

Buys

3 · $101.2K

Sells

1 · $24.3K

Total Shares Bought

25,000

Total Shares Sold

5,672

ALT Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Apr 1, 2026	Buy	10,000	$3.15	$31.5K	38,078
Mar 9, 2026	Buy	5,000	$3.54	$17.7K	28,078
Nov 11, 2025	Sell	5,672	$4.28	$24.3K	0
Mar 13, 2025	Buy	10,000	$5.20	$52.0K	0

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