As of September 09, 2026, the three largest insider holders of GTX are Capital Group Holdings Gp, Llc Oaktree (TenPercentOwner, 36.89Mn shares), Capital Group Holdings Gp, Llc Oaktree (TenPercentOwner, 31.89Mn shares), Group Llc/Ma Baupost (TenPercentOwner, 26.57Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Capital Group Holdings Gp, Llc Oaktree | TenPercentOwner | 0 | 48,989,632 | 48,989,632 | 33.2% | 13 Nov, 2025 |
| 2 | Group Llc/Ma Baupost | TenPercentOwner | 0 | 26,570,589 | 26,570,589 | 18.0% | 15 Jun, 2023 |
| 3 | Capital Partners, L.P. Cyrus | TenPercentOwner | 0 | 20,009,945 | 20,009,945 | 13.5% | 11 Sep, 2025 |
| 4 | Special Credit Partners Iii-Flex, L.P. Centerbridge | TenPercentOwner | 0 | 19,893,857 | 19,893,857 | 13.5% | 11 Mar, 2025 |
| 5 | Capital Gp, Llc Sessa | TenPercentOwner | 0 | 15,236,484 | 15,236,484 | 10.3% | 06 Mar, 2024 |
| 6 | International Inc Honeywell | Other | 7,092,446 | 0 | 7,092,446 | 4.8% | 14 Jun, 2023 |
| 7 | Credit Partners Master, L.P. Centerbridge | Other | 0 | 4,740,569 | 4,740,569 | 3.2% | 15 Aug, 2025 |
| 8 | Holdings, Llc Oaktree | TenPercentOwner | 0 | 1,119,397 | 1,119,397 | 0.8% | 13 Jun, 2023 |
| 9 | Capital Management Lp Oaktree | TenPercentOwner | 0 | 1,119,397 | 1,119,397 | 0.8% | 13 Jun, 2023 |
| 10 | Olivier Rabiller | President Ceo | 918,835 | 0 | 918,835 | 0.6% | 04 May, 2026 |
| 11 | Craig Balis | Svp Chief Technology Officer | 274,808 | 0 | 274,808 | 0.2% | 04 May, 2026 |
| 12 | Sean Deason | Svp Chief Financial Officer | 261,909 | 0 | 261,909 | 0.2% | 08 Jun, 2026 |
| 13 | Jerome Maironi | Svp, Gc Corp. Secretary | 227,536 | 0 | 227,536 | 0.2% | 02 May, 2025 |
| 14 | Fabrice Spenninck | Svp Chief Human Res. Officer | 154,360 | 0 | 154,360 | 0.1% | 04 May, 2026 |
| 15 | Thierry Mabru | Svp, Integrated Supply Chain | 147,956 | 0 | 147,956 | 0.1% | 01 Jun, 2026 |
| 16 | Joanne Lau | Vp, Cao And Controller | 142,971 | 0 | 142,971 | 0.1% | 09 Mar, 2026 |
| 17 | Daniel A Ninivaggi | Director | 130,432 | 0 | 130,432 | 0.1% | 06 Jul, 2026 |
| 18 | Daniel Deiro | Svp, Gcm Gm Japan/Korea | 113,783 | 0 | 113,783 | 0.1% | 03 Sep, 2026 |
| 19 | Daun Norman | Director | 91,691 | 0 | 91,691 | 0.1% | 01 Jun, 2026 |
| 20 | Robert L Shanks | Director | 81,198 | 0 | 81,198 | 0.1% | 27 May, 2025 |
| 21 | Mark Albert Rodrigues | Svp, Gm Gbes Turbo Tech | 77,038 | 0 | 77,038 | 0.1% | 26 Jun, 2026 |
| 22 | Pierre Barthelet | Svp, Strat, Bus Dev Adv Tech | 58,786 | 0 | 58,786 | 0.0% | 03 Jun, 2025 |
| 23 | Julia Steyn | Director | 54,738 | 0 | 54,738 | 0.0% | 01 Jun, 2026 |
| 24 | Nils Eike-Christian Martens | Svp, Strat, Bus Dev, Adv Tech | 49,778 | 0 | 49,778 | 0.0% | 09 Mar, 2026 |
| 25 | Tina Pierce | Director | 46,838 | 0 | 46,838 | 0.0% | 26 May, 2023 |
| 26 | Paul A Camuti | Director | 46,407 | 0 | 46,407 | 0.0% | 06 Jul, 2026 |
| 27 | Joachim Drees | Director | 42,238 | 0 | 42,238 | 0.0% | 06 Jul, 2026 |
| 28 | Mark D. Rollinger | Svp, Gc Corp. Secretary | 40,908 | 0 | 40,908 | 0.0% | 09 Mar, 2026 |
| 29 | Jeffrey H. Vanneste | Director | 4,505 | 0 | 4,505 | 0.0% | 09 Jun, 2026 |
| 30 | Dave J Crompton | Director | 3,951 | 0 | 3,951 | 0.0% | 06 Aug, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 06 Aug, 2026 | Dave J Crompton | Director | Acquired A | 3,951 | — | — | 3,951 | Direct |
| 01 Jul, 2026 | Paul A Camuti | Director | Acquired A | 512 | — | — | 46,407 | Direct |
| 01 Jul, 2026 | Joachim Drees | Director | Acquired A | 1,023 | — | — | 42,238 | Direct |
| 24 Jun, 2026 | Mark Albert Rodrigues | Svp, Gm Gbes Turbo Tech | Disposed S | 6,140 | $33.30 | $204.48K | 77,038 | Direct |
| 12 Jun, 2026 | Mark Albert Rodrigues | Svp, Gm Gbes Turbo Tech | Disposed S | 10,516 | $33.82 | $355.63K | 83,178 | Direct |
| 28 May, 2026 | Jeffrey H. Vanneste | Director | Acquired A | 4,505 | — | — | 4,505 | Direct |
| 05 Jun, 2026 | Sean Deason | Svp Chief Financial Officer | Disposed S | 110,000 | $31.93 | $3.51Mn | 261,909 | Direct |
| 28 May, 2026 | Daniel A Ninivaggi | Director | Acquired A | 4,505 | — | — | 129,390 | Direct |
| 28 May, 2026 | Daun Norman | Director | Acquired A | 4,505 | — | — | 91,691 | Direct |
| 29 May, 2026 | Thierry Mabru | Svp, Integrated Supply Chain | Disposed S | 70,000 | $33.00 | $2.31Mn | 147,956 | Direct |
| 28 May, 2026 | Paul A Camuti | Director | Acquired A | 4,505 | — | — | 45,895 | Direct |
| 28 May, 2026 | Joachim Drees | Director | Acquired A | 4,505 | — | — | 41,215 | Direct |
| 28 May, 2026 | Julia Steyn | Director | Acquired A | 4,505 | — | — | 54,738 | Direct |
| 22 May, 2026 | Joachim Drees | Director | Disposed F | 4,026 | $33.29 | $134.03K | 36,710 | Direct |
| 15 May, 2026 | Daniel A Ninivaggi | Director | Disposed S | 17,178 | $31.22 | $536.29K | 124,885 | Direct |
| 30 Apr, 2026 | Craig Balis | Svp Chief Technology Officer | Disposed F | 9,129 | $25.61 | $233.79K | 274,808 | Direct |
| 30 Apr, 2026 | Thierry Mabru | Svp, Integrated Supply Chain | Disposed F | 7,396 | $25.61 | $189.41K | 217,956 | Direct |
| 30 Apr, 2026 | Fabrice Spenninck | Svp Chief Human Res. Officer | Disposed F | 5,378 | $25.61 | $137.73K | 154,360 | Direct |
| 30 Apr, 2026 | Olivier Rabiller | President Ceo | Disposed F | 40,907 | $25.61 | $1.05Mn | 918,835 | Direct |
| 30 Apr, 2026 | Sean Deason | Svp Chief Financial Officer | Disposed F | 14,951 | $25.61 | $382.90K | 371,909 | Direct |