TISI's three largest insider shareholders as of March 23, 2026 are Partners Management, Llc Corre (TenPercentOwner, 1.60Mn shares), Louis A Waters (Director, 250.17K shares), Amerino Gatti (Chairman Ceo, 138.44K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Partners Management, Llc Corre | 0 | 1,604,326 | 08 Dec, 2025 | |
| Louis A Waters | 250,172 | 0 | 17 May, 2021 | |
| Amerino Gatti | Chairman Ceo | 138,436 | 0 | 22 Nov, 2021 |
| Michael J Caliel | 91,691 | 0 | 16 Jan, 2026 | |
| Gary G Yesavage | 52,028 | 0 | 17 May, 2021 | |
| Keith D Tucker | Ceo | 51,672 | 0 | 10 Nov, 2025 |
| Craig L Martin | 47,092 | 0 | 17 May, 2021 | |
| Nelson M Haight | Chief Financial Officer | 42,247 | 0 | 10 Nov, 2025 |
| Michael Allan Lucas | 34,352 | 0 | 17 May, 2021 | |
| Sylvia J Kerrigan | 32,571 | 0 | 17 May, 2021 | |
| Andre C Bouchard | Exec Vp Chief Legal Officer | 32,286 | 0 | 19 Nov, 2024 |
| Brian K Ferraioli | 27,092 | 0 | 17 May, 2021 | |
| Susan M. Ball | Former Evp Cfo | 24,297 | 0 | 22 Nov, 2021 |
| Robert C Jr Skaggs | 19,507 | 0 | 17 May, 2021 | |
| Sherri A Sides | Sr Vp, Chief Hr Officer | 11,312 | 0 | 22 Nov, 2021 |
| Robert James Iii Young | President, Aid | 10,554 | 0 | 22 Nov, 2021 |
| Edward J. Stenger | 9,890 | 0 | 27 Mar, 2024 | |
| Jeffery Gerald Davis | 9,276 | 0 | 03 Dec, 2025 | |
| Anthony R Horton | 9,082 | 0 | 19 Nov, 2025 | |
| Evan S. Lederman | 4,978 | 0 | 06 Jun, 2025 | |
| James Chadwick Murray | President, Mos | 4,894 | 0 | 22 Nov, 2021 |
| J Michael Anderson | 3,000 | 0 | 20 Mar, 2024 | |
| Pamela J. Mcginnis | 1,332 | 0 | 19 Aug, 2025 | |
| Matthew E Acosta | Vp Chief Accounting Officer | 705 | 0 | 19 Nov, 2024 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 14 Jan, 2026 | Michael J Caliel | Common Stock | A | 23,110 | $0.00 | 91,691 | D | A |
| 14 Jan, 2026 | Michael J Caliel | Restricted Stock Units | A | 25,293 | $0.00 | 25,293 | D | A |
| 04 Dec, 2025 | Partners Management, Llc Corre | Common Stock, par value $0.30 per share | A | 600 | $14.81 | 1,601,930 | I | P |
| 05 Dec, 2025 | Partners Management, Llc Corre | Common Stock, par value $0.30 per share | A | 1,320 | $14.78 | 1,603,250 | I | P |
| 08 Dec, 2025 | Partners Management, Llc Corre | Common Stock, par value $0.30 per share | A | 1,076 | $15.13 | 1,604,326 | I | P |
| 02 Dec, 2025 | Jeffery Gerald Davis | Common Stock | D | 1,000 | $14.80 | 9,276 | D | S |
| 01 Dec, 2025 | Partners Management, Llc Corre | Common Stock, par value $0.30 per share | A | 13,334 | $14.83 | 1,600,630 | I | P |
| 03 Dec, 2025 | Partners Management, Llc Corre | Common Stock, par value $0.30 per share | A | 700 | $14.89 | 1,601,330 | I | P |
| 21 Nov, 2025 | Jeffery Gerald Davis | Common Stock | D | 573 | $15.00 | 10,276 | D | S |
| 17 Nov, 2025 | Anthony R Horton | Common Stock | A | 4,000 | $15.68 | 9,082 | D | P |
| 06 Nov, 2025 | Nelson M Haight | Common Stock | A | 18,703 | - | 49,233 | D | M |
| 06 Nov, 2025 | Keith D Tucker | Common Stock | A | 28,054 | - | 63,057 | D | M |
| 06 Nov, 2025 | Keith D Tucker | Common Stock | D | 11,385 | $15.86 | 51,672 | D | F |
| 06 Nov, 2025 | Nelson M Haight | Common Stock | D | 6,986 | $15.86 | 42,247 | D | F |
| 06 Nov, 2025 | Keith D Tucker | Restricted Stock Units | D | 28,054 | - | 28,055 | D | M |
| 06 Nov, 2025 | Nelson M Haight | Restricted Stock Units | D | 18,703 | - | 18,703 | D | M |
| 13 Oct, 2025 | James C. Webster | Restricted Stock Units | A | 5,548 | $0.00 | 5,548 | D | A |
| 15 Aug, 2025 | Pamela J. Mcginnis | Common Stock | A | 602 | $19.49 | 602 | D | P |
| 18 Aug, 2025 | Pamela J. Mcginnis | Common Stock | A | 160 | $18.91 | 762 | D | P |
| 19 Aug, 2025 | Pamela J. Mcginnis | Common Stock | A | 570 | $18.95 | 1,332 | D | P |