Who
Michael Graff
Director
Company insider
Files Form 4 as: Director, Transdigm Group; Director, Builders FirstSource; Director, Polypore International.
In numbers
- Trades disclosed
- 523
- Buys
- 40
- Sells
- 33
- Bought
- $5.2M
- Sold
- $1.2B
- Companies
- 3
- Companies where not an officer
- 3
- First trade
- 20 Mar 2006
- Last trade
- 18 Sep 2026
- Last filed
- 21 Sep 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 18 Sep 2026filed 21 Sep 2026 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Code A | $37K34 at $1,085.00 | filing |
| 18 Sep 2026filed 21 Sep 2026 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Code A | $37K34 at $1,085.00 | filing |
| 20 Mar 2026filed 23 Mar 2026 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Code A | $36K30 at $1,214.66 | filing |
| 20 Mar 2026filed 23 Mar 2026 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Code A | $36K30 at $1,214.66 | filing |
| 21 Nov 2025filed 25 Nov 2025 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Code G | —340 at $0.00 | filing |
| 4 Nov 2025filed 6 Nov 2025 | TDG Transdigm Groupoption or derivative · Aerospace & Defense | SEC FORM 4 Code A | —518 at $0.00 | filing |
| 19 Sep 2025filed 22 Sep 2025 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Code A | $37K29 at $1,288.13 | filing |
| 26 Aug 2025filed 27 Aug 2025 | TDG Transdigm Groupoption or derivative · Aerospace & Defense | SEC FORM 4 Code M | —1,760 at $0.00 | filing |
| 26 Aug 2025filed 27 Aug 2025 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Code M | $275K1,760 at $156.47 | filing |
| 26 Aug 2025filed 27 Aug 2025 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Sold | $241K172 at $1,399.44 | filing |
| 26 Aug 2025filed 27 Aug 2025 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Sold | $319K228 at $1,400.03 | filing |
| 26 Aug 2025filed 27 Aug 2025 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Sold | $561K400 at $1,402.04 | filing |
| 26 Aug 2025filed 27 Aug 2025 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Sold | $1.1M800 at $1,402.82 | filing |
| 26 Aug 2025filed 27 Aug 2025 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Sold | $225K160 at $1,404.42 | filing |
| 12 Jun 2025filed 13 Jun 2025 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Code G | —1,000 at $0.00 | filing |
| 12 Jun 2025filed 13 Jun 2025 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Code G | —1,000 at $0.00 | filing |
| 14 May 2025filed 16 May 2025 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Code G | —2,000 at $0.00 | filing |
| 14 May 2025filed 16 May 2025 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Code G | —2,000 at $0.00 | filing |
| 26 Mar 2025filed 26 Mar 2025 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Code A | $36K27 at $1,346.50 | filing |
| 12 Dec 2024filed 13 Dec 2024 | TDG Transdigm GroupAerospace & Defense | SEC FORM 4 Code G | —200 at $0.00 | filing |
The newest 500 lines are listed; the numbers count every line.
News
SteelPeak Wealth LLC Makes New Investment in Builders FirstSource, Inc. $BLDRBLDR · dailypolitical.com · 18 Oct 2026Revenue Decline Expectations Pressure Builders FirstSource (BLDR) SharesBLDR · insidermonkey.com · 16 Oct 2026AIRO Group (NASDAQ:AIRO) versus Transdigm Group (NYSE:TDG) Financial ComparisonTDG · themarketsdaily.com · 16 Oct 2026Reviewing Transdigm Group (NYSE:TDG) & Bombardier (OTCMKTS:BDRBF)TDG · dailypolitical.com · 13 Oct 2026
0 headlines in the last 90 days name Michael Graff; 4 articles from the last 14 days about the 2 companies they traded most, at most three about any one of them.