Public STOCK Act disclosures

DASTY Politician Trading

If you can’t beat them, take advantage of them.

Track public congressional STOCK Act disclosures involving DASTY. This becomes powerful when paired with insider Form 4 activity on the same ticker.

Could following the right politician have beaten guessing?
Historical disclosure backtest · current year ongoing
-28.6%avg tracked return
7%positive trades
1hot deals now
+80% +20% -40% 97% losing-trader benchmark -36.6% 2020 -51.5% 2021 -40.8% 2023 -45.2% 2024 -32.9% 2025
Day-trader loss-rate benchmark; varies by study and market. This is not financial advice; it is a historical signal comparison.

DASTY political disclosures

Amounts are reported as ranges and may lag the transaction date by up to 45 days under STOCK Act rules.

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Disclosure Politician Asset Type Owner Amount Copy Signal
Dec. 29, 2025
Trade Nov. 21, 2025
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DASTY
Dassault Systèmes SE
Sell Joint $1,001 – $15,000 -15.8%
Trade price $27.11 → $22.82 Since politician trade: -15.8%
Disclosure price $27.72 → $22.82 Since public filing: -17.7%
Max since buy 6.8% · Filed after 38 days
May 14, 2025
Trade April 9, 2025
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DASTY
Dassault Systèmes SE
Sell Joint $1,001 – $15,000 -38.7%
Trade price $37.24 → $22.82 Since politician trade: -38.7%
Disclosure price $37.51 → $22.82 Since public filing: -39.2%
Max since buy 2.7% · Filed after 35 days
March 6, 2025
Trade Feb. 21, 2025
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DASTY
Dassault Systèmes SE
Sell Joint $1,001 – $15,000 -44.2%
Trade price $40.90 → $22.82 Since politician trade: -44.2%
Disclosure price $43.26 → $22.82 Since public filing: -47.2%
Max since buy 5.8% · Filed after 13 days
July 9, 2024
Trade June 18, 2024
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DASTY
Dassault Systèmes SE
Sell Joint $1,001 – $15,000 -40.3%
Trade price $38.22 → $22.82 Since politician trade: -40.3%
Disclosure price $36.13 → $22.82 Since public filing: -36.8%
Max since buy 13.2% · Filed after 21 days
April 7, 2024
Trade March 13, 2024
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DASTY
Dassault Systèmes SE
Buy Joint $1,001 – $15,000 Hot deal
Trade price $45.68 → $22.82 Since politician trade: -50.0%
Disclosure price $43.05 → $22.82 Since public filing: -47.0%
Max since buy 0.0% · Filed after 25 days
Sept. 16, 2023
Trade Aug. 18, 2023
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DASTY
Dassault Systèmes SE
Buy Joint $1,001 – $15,000 -40.8%
Trade price $38.57 → $22.82 Since politician trade: -40.8%
Disclosure price $37.16 → $22.82 Since public filing: -38.6%
Max since buy 34.1% · Filed after 29 days
Nov. 15, 2021
Trade Oct. 5, 2021
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DASTY
Dassault Systèmes SE
Sell Joint $1,001 – $15,000 -54.4%
Trade price $50.06 → $22.82 Since politician trade: -54.4%
Disclosure price $61.52 → $22.82 Since public filing: -62.9%
Max since buy 24.1% · Filed after 41 days
May 7, 2021
Trade April 13, 2021
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DASTY
Dassault Systèmes SE
Sell Joint $1,001 – $15,000 -48.7%
Trade price $44.45 → $22.82 Since politician trade: -48.7%
Disclosure price $44.69 → $22.82 Since public filing: -48.9%
Max since buy 39.7% · Filed after 24 days
Jan. 7, 2021
Trade Dec. 3, 2020
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DASTY
Dassault Systèmes SE
Buy Joint $1,001 – $15,000 -36.6%
Trade price $36.00 → $22.82 Since politician trade: -36.6%
Disclosure price $39.08 → $22.82 Since public filing: -41.6%
Max since buy 72.5% · Filed after 35 days
Jan. 6, 2020
Trade Dec. 30, 2019
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DASTY
Dassault Systèmes SE
Buy Joint $1,001 – $15,000 -28.6%
Trade price $31.96 → $22.82 Since politician trade: -28.6%
Disclosure price $31.91 → $22.82 Since public filing: -28.5%
Max since buy 94.3% · Filed after 7 days
April 5, 2019
Trade March 19, 2019
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DASTY
Dassault Systèmes SE
Sell Joint $1,001 – $15,000 -20.2%
Trade price $28.58 → $22.82 Since politician trade: -20.2%
Disclosure price $28.76 → $22.82 Since public filing: -20.6%
Max since buy 117.3% · Filed after 17 days
Dec. 13, 2018
Trade Nov. 6, 2018
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DASTY
Dassault Systèmes SE
Sell Joint $1,001 – $15,000 -3.7%
Trade price $23.70 → $22.82 Since politician trade: -3.7%
Disclosure price $24.01 → $22.82 Since public filing: -5.0%
Max since buy 162.0% · Filed after 37 days
Oct. 2, 2018
Trade May 8, 2018
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DASTY
Dassault Systèmes SE
Sell Joint $1,001 – $15,000 -8.6%
Trade price $24.96 → $22.82 Since politician trade: -8.6%
Disclosure price $28.76 → $22.82 Since public filing: -20.7%
Max since buy 148.8% · Filed after 147 days
Aug. 13, 2018
Trade June 26, 2017
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DASTY
Dassault Systèmes SE
Sell Joint $1,001 – $15,000 +29.8%
Trade price $17.59 → $22.82 Since politician trade: +29.8%
Disclosure price $28.68 → $22.82 Since public filing: -20.4%
Max since buy 253.1% · Filed after 413 days