Public STOCK Act disclosures

DCI Politician Trading

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

Track public congressional STOCK Act disclosures involving DCI. 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
+16.3%avg tracked return
86%positive trades
0hot deals now
+80% +20% -40% 97% losing-trader benchmark +23.1% 2024 +21% 2025 -22% ongoing 2026
Day-trader loss-rate benchmark; varies by study and market. This is not financial advice; it is a historical signal comparison.

DCI political disclosures

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

Compare insider trading
Disclosure Politician Asset Type Owner Amount Copy Signal
March 10, 2026
Trade Feb. 18, 2026
Michael McCaul
House · Republican · TX
DCI
Donaldson Company, Inc.
Sell Spouse $100,001 – $250,000 -22.0%
Trade price $107.93 → $84.16 Since politician trade: -22.0%
Disclosure price $88.73 → $84.16 Since public filing: -5.2%
Max since buy 0.0% · Filed after 20 days
June 10, 2025
Trade June 9, 2025
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DCI
Donaldson Company, Inc.
Buy Self $1,001 – $15,000 +21.0%
Trade price $69.54 → $84.16 Since politician trade: +21.0%
Disclosure price $69.57 → $84.16 Since public filing: +21.0%
Max since buy 58.6% · Filed after 1 days
Jan. 15, 2025
Trade Dec. 20, 2024
Michael McCaul
House · Republican · TX
DCI
Donaldson Company, Inc.
Sell Spouse $1,001 – $15,000 +26.0%
Trade price $66.79 → $84.16 Since politician trade: +26.0%
Disclosure price $67.88 → $84.16 Since public filing: +24.0%
Max since buy 65.1% · Filed after 26 days
Jan. 15, 2025
Trade Dec. 11, 2024
Michael McCaul
House · Republican · TX
DCI
Donaldson Company, Inc.
Sell Spouse $50,001 – $100,000 +17.9%
Trade price $71.35 → $84.16 Since politician trade: +17.9%
Disclosure price $67.88 → $84.16 Since public filing: +24.0%
Max since buy 54.6% · Filed after 35 days
Jan. 15, 2025
Trade Dec. 11, 2024
Michael McCaul
House · Republican · TX
DCI
Donaldson Company, Inc.
Buy Dependent child $1,001 – $15,000 +17.9%
Trade price $71.35 → $84.16 Since politician trade: +17.9%
Disclosure price $67.88 → $84.16 Since public filing: +24.0%
Max since buy 54.6% · Filed after 35 days
Sept. 16, 2024
Trade Aug. 26, 2024
Michael McCaul
House · Republican · TX
DCI
Donaldson Company, Inc.
Sell Dependent child $1,001 – $15,000 +14.9%
Trade price $73.22 → $84.16 Since politician trade: +14.9%
Disclosure price $69.79 → $84.16 Since public filing: +20.6%
Max since buy 50.6% · Filed after 21 days
Feb. 13, 2024
Trade Jan. 17, 2024
Michael McCaul
House · Republican · TX
DCI
Donaldson Company, Inc.
Sell Spouse $1,001 – $15,000 +38.4%
Trade price $60.81 → $84.16 Since politician trade: +38.4%
Disclosure price $64.07 → $84.16 Since public filing: +31.4%
Max since buy 81.3% · Filed after 27 days