Ronald S. Nersesian
CIK 1418953 · View on SEC EDGAR ↗
First SEC filing: May 28, 2026 · Latest: May 28, 2026
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 10, 2020 | TRMB | S | 30,000 | $49.03 | $1,470,900 | 9,006 Direct | -76.91% | Disposed | 21.2% (price as of 2026-08-19) |
| Feb. 18, 2020 | TRMB | S | 25,000 | $45.53 | $1,138,250 | 32,512 Direct | -43.47% | Disposed | 30.5% (price as of 2026-08-19) |
| Nov. 29, 2018 | KEYS | S | 87,760 | $61.45 | $5,392,852 | 314,669 Direct | -21.81% | Disposed | 428.2% (price as of 2026-08-19) |
| Nov. 26, 2018 | KEYS | S | 96,898 | $57.84 | $5,604,580 | 314,669 Direct | -23.54% | Disposed | 461.1% (price as of 2026-08-19) |
| June 4, 2018 | KEYS | S | 50,000 | $60.85 | $3,042,500 | 305,421 Direct | -14.07% | Disposed | 433.4% (price as of 2026-08-19) |
| June 1, 2018 | KEYS | S | 195,877 | $59.41 | $11,637,053 | 355,421 Direct | -35.53% | Disposed | 446.3% (price as of 2026-08-19) |
| June 1, 2018 | KEYS | S | 54,123 | $59.38 | $3,213,824 | 355,421 Direct | -13.22% | Disposed | 446.6% (price as of 2026-08-19) |
| Jan. 9, 2018 | KEYS | S | 162,366 | $45.04 | $7,312,965 | 355,308 Direct | -31.36% | Disposed | 620.6% (price as of 2026-08-19) |
| Dec. 7, 2017 | KEYS | S | 75,314 | $43.06 | $3,243,021 | 356,816 Direct | -17.43% | Disposed | 653.7% (price as of 2026-08-19) |
| Oct. 30, 2017 | TRMB | S | 55,000 | $40.12 | $2,206,600 | 16,820 Direct | -76.58% | Disposed | 48.1% (price as of 2026-08-19) |
| Oct. 9, 2017 | KEYS | S | 58,931 | $41.64 | $2,453,887 | 409,497 Direct | -12.58% | Disposed | 679.4% (price as of 2026-08-19) |
| June 23, 2017 | KEYS | S | 188,454 | $38.39 | $7,234,749 | 468,428 Direct | -28.69% | Disposed | 745.4% (price as of 2026-08-19) |
| June 23, 2017 | KEYS | S | 101,135 | $38.18 | $3,861,334 | 468,428 Direct | -17.76% | Disposed | 750.1% (price as of 2026-08-19) |
| June 23, 2017 | KEYS | S | 40,862 | $38.09 | $1,556,434 | 468,428 Direct | -8.02% | Disposed | 752.1% (price as of 2026-08-19) |
| May 1, 2017 | TRMB | S | 30,000 | $35.71 | $1,071,300 | 5,103 Direct | -85.46% | Disposed | 66.4% (price as of 2026-08-19) |
| Aug. 10, 2016 | TRMB | S | 5,850 | $27.57 | $161,284 | 5,103 Direct | -53.41% | Disposed | 115.5% (price as of 2026-08-19) |
Showing latest 100 of 211 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 17, 2026 | TRMB | Restricted Stock Unit | Common Stock (3,974) | $0.00 | June 17, 2026 | 3,974 | Disposed |
| May 26, 2026 | TRMB | Restricted Stock Unit | Common Stock (4,725) | — | May 26, 2027 | 4,725 | Acquired |
| June 17, 2025 | TRMB | Restricted Stock Unit | Common Stock (3,974) | — | June 17, 2026 | 3,974 | Acquired |
| May 30, 2025 | TRMB | Restricted Stock Unit | Common Stock (4,952) | $0.00 | May 30, 2025 | 4,952 | Disposed |
| Sept. 30, 2024 | TRMB | Restricted Stock Unit | Common Stock (4,952) | — | May 30, 2025 | 4,952 | Acquired |
| June 3, 2024 | TRMB | Restricted Stock Unit | Common Stock (1,858) | $0.00 | June 1, 2024 | 1,858 | Disposed |
| Feb. 5, 2024 | TRMB | Restricted Stock Unit [F1] | Common Stock (1,858) | $0.00 | June 1, 2024 | 1,858 | Acquired |
| May 12, 2021 | TRMB | Restricted Stock Units [F1] | Common Stock (6,511) | $0.00 | May 15, 2021 | 6,511 | Disposed |
| May 27, 2020 | TRMB | Restricted Stock Units | Common Stock (6,511) | — | May 15, 2021 | 6,511 | Acquired |
| May 7, 2020 | TRMB | Restricted Stock Units | Common Stock (6,494) | $0.00 | — | 6,494 | Disposed |
| Feb. 18, 2020 | TRMB | Employee Stock Option | Common Stock (25,000) | $35.02 | May 9, 2021 | 25,000 | Disposed |
| May 7, 2019 | TRMB | Restricted Stock Units | Common Stock (6,494) | — | — | 6,494 | Acquired |
| May 1, 2019 | TRMB | Restricted Stock Units | Common Stock (8,006) | $0.00 | — | 8,006 | Disposed |
| Nov. 29, 2018 | KEYS | Employee Stock Option (Right to Buy) [F3] | Common Stock (87,760) | $31.00 | Nov. 17, 2024 | 87,760 | Disposed |
| June 1, 2018 | KEYS | Employee Stock Option (Right to Buy) [F6] | Common Stock (195,877) | $31.00 | Nov. 17, 2024 | 195,877 | Disposed |
| June 1, 2018 | KEYS | Employee Stock Option (Right to Buy) [F6] | Common Stock (54,123) | $29.83 | Nov. 19, 2023 | 54,123 | Disposed |
| May 2, 2018 | TRMB | Restricted Stock Unit | Common Stock (7,686) | — | — | 7,686 | Disposed |
| May 1, 2018 | TRMB | Restricted Stock Unit | Common Stock (8,006) | — | — | 8,006 | Acquired |
| Jan. 9, 2018 | KEYS | Employee Stock Option (Right to Buy) [F4] | Common Stock (162,366) | $29.83 | Nov. 19, 2023 | 162,366 | Disposed |
| Oct. 30, 2017 | TRMB | Employee Stock Option | Common Stock (25,000) | $28.08 | May 7, 2020 | 25,000 | Disposed |
| Oct. 30, 2017 | TRMB | Employee Stock Option | Common Stock (30,000) | $26.98 | May 1, 2019 | 30,000 | Disposed |
| June 23, 2017 | KEYS | Employee Stock Option (Right to Buy) [F6] | Common Stock (188,454) | $19.97 | Nov. 20, 2022 | 188,454 | Disposed |
| June 23, 2017 | KEYS | Employee Stock Option (Right to Buy) [F6] | Common Stock (101,135) | $20.74 | Nov. 16, 2021 | 101,135 | Disposed |
| June 23, 2017 | KEYS | Employee Stock Option (Right to Buy) [F6] | Common Stock (40,862) | $19.62 | Nov. 16, 2020 | 40,862 | Disposed |
| May 3, 2017 | TRMB | Restricted Stock Units | Common Stock (11,717) | — | — | 11,717 | Disposed |
| May 1, 2017 | TRMB | Restricted Stock Unit | Common Stock (7,686) | — | — | 7,686 | Acquired |
| May 1, 2017 | TRMB | Employee Stock Option | Common Stock (30,000) | $20.61 | Nov. 21, 2018 | 30,000 | Disposed |
| May 9, 2016 | TRMB | Restricted Stock Unit | Common Stock (10,953) | — | — | 10,953 | Disposed |
| May 3, 2016 | TRMB | Restricted Stock Units | Common Stock (11,717) | — | — | 11,717 | Acquired |
| May 7, 2015 | TRMB | Restricted Stock Unit | Common Stock (10,953) | — | — | 10,953 | Acquired |
| Nov. 18, 2014 | KEYS | Employee Stock Option(Right to Buy [F4] | Common Stock (283,637) | $31.00 | Nov. 17, 2024 | 283,637 | Acquired |
| May 9, 2014 | TRMB | Employee Stock Option | Common Stock (25,000) | $35.02 | May 9, 2021 | 25,000 | Acquired |
| Nov. 21, 2013 | A | Employee Stock Option (Right to Buy) [F4] | Common Stock (22,766) | $35.21 | Nov. 16, 2020 | 22,766 | Disposed |
| Nov. 21, 2013 | A | Employee Stock Option (Right to Buy) [F4] | Common Stock (28,174) | $37.21 | Nov. 16, 2021 | 28,174 | Disposed |
| Nov. 21, 2013 | A | Employee Stock Option (Right to Buy) [F4] | Common Stock (35,000) | $35.84 | Nov. 20, 2022 | 35,000 | Disposed |
| Nov. 21, 2013 | A | Employee Stock Option (Right to Buy) [F4] | Common Stock (28,207) | $29.46 | Nov. 17, 2019 | 28,207 | Disposed |
| Nov. 20, 2013 | A | Employee Stock Option (Right to Buy) [F4] | Common Stock (120,620) | $53.53 | Nov. 19, 2023 | 120,620 | Acquired |
| Sept. 20, 2013 | A | Employee Stock Option (Right to Buy) [F4] | Common Stock (45,533) | $35.21 | Nov. 16, 2020 | 45,533 | Disposed |
| Sept. 20, 2013 | A | Employee Stock Option (Right to Buy) [F4] | Common Stock (5,855) | $16.21 | March 26, 2019 | 5,855 | Disposed |
| Sept. 20, 2013 | A | Employee Stock Option (Right to Buy) [F4] | Common Stock (10,505) | $35.80 | Nov. 18, 2017 | 10,505 | Disposed |
| Sept. 20, 2013 | A | Employee Stock Option (Right to Buy) [F4] | Common Stock (28,174) | $37.21 | Nov. 16, 2021 | 28,174 | Disposed |
| Sept. 20, 2013 | A | Employee Stock Option (Right to Buy) [F4] | Common Stock (56,413) | $29.46 | Nov. 17, 2019 | 56,413 | Disposed |
| May 7, 2013 | TRMB | Employee Stock Option | Common Stock (25,000) | $28.08 | May 7, 2020 | 25,000 | Acquired |
| Nov. 21, 2012 | A | Employee Stock Option (Right to Buy) [F4] | Common Stock (20,739) | $19.00 | Nov. 17, 2018 | 20,739 | Disposed |
| Nov. 21, 2012 | A | Employee Stock Option (Right to Buy) [F3] | Common Stock (5,855) | $16.21 | March 26, 2019 | 5,855 | Disposed |
| Nov. 21, 2012 | A | Employee Stock Option (Right to Buy) | Common Stock (140,000) | $35.84 | Nov. 20, 2022 | 140,000 | Acquired |
| May 1, 2012 | TRMB | Employee Stock Option | Common Stock (15,000) | $53.95 | May 1, 2019 | 15,000 | Acquired |
| Nov. 21, 2011 | TRMB | Employee Stock Option | Common Stock (15,000) | $41.22 | Nov. 21, 2018 | 15,000 | Acquired |
| Nov. 18, 2011 | A | Employee Stock Option (Right to Buy) [F5] | Common Stock (20,739) | $19.00 | Nov. 17, 2018 | 20,739 | Disposed |
| Nov. 17, 2011 | A | Employee Stock Option (Right to Buy) [F5] | Common Stock (112,697) | $37.21 | Nov. 16, 2021 | 112,697 | Acquired |
| May 25, 2011 | A | Employee Stock Option (Right to Buy) | Common Stock (28,206) | $29.46 | Nov. 17, 2019 | 28,206 | Disposed |
| March 28, 2011 | A | Employee Stock Option (Right to Buy) [F3] | Common Stock (5,855) | $16.21 | March 26, 2019 | 5,855 | Disposed |
| March 4, 2011 | A | Employee Stock Option (Right to Buy) [F2] | Common Stock (31,512) | $35.80 | Nov. 18, 2017 | 31,512 | Disposed |
| Feb. 4, 2011 | A | Employee Stock Option (Right to Buy) [F2] | Common Stock (25,000) | $33.14 | Nov. 14, 2016 | 25,000 | Disposed |
| Dec. 27, 2010 | A | Employee Stock Option (Right to Buy) [F3] | Common Stock (21,002) | $31.93 | Jan. 16, 2016 | 21,002 | Disposed |
| Dec. 27, 2010 | A | Employee Stock Option (Right to Buy) [F3] | Common Stock (26,253) | $31.93 | Jan. 25, 2014 | 26,253 | Disposed |
| Nov. 24, 2010 | A | Employee Stock Option (Right to Buy) [F4] | Common Stock (20,739) | $19.00 | Nov. 17, 2018 | 20,739 | Disposed |
| Nov. 24, 2010 | A | Employee Stock Option (Right to Buy) [F3] | Common Stock (5,854) | $16.21 | March 26, 2019 | 5,854 | Disposed |
| Nov. 17, 2010 | A | Employee Stock Option (Right to Buy) [F4] | Common Stock (91,066) | $35.21 | Nov. 16, 2020 | 91,066 | Acquired |
| March 22, 2010 | A | Employee Stock Option (Right to Buy) | Common Stock (13,127) | $20.62 | Jan. 23, 2015 | 13,127 | Disposed |
| March 22, 2010 | A | Employee Stock Option (Right to Buy) | Common Stock (6,563) | $23.54 | June 16, 2012 | 6,563 | Disposed |
| Nov. 20, 2009 | A | Employee Stock Option (Right to Buy) [F2] | Common Stock (20,739) | $19.00 | Nov. 17, 2018 | 20,739 | Disposed |
| Nov. 18, 2009 | A | Employee Stock Option (Right to Buy) [F3] | Common Stock (112,826) | $29.46 | Nov. 17, 2019 | 112,826 | Acquired |
| March 27, 2009 | A | Employee Stock Option (Right to Buy) [F2] | Common Stock (23,419) | $16.21 | March 26, 2019 | 23,419 | Acquired |
| Nov. 18, 2008 | A | Employee Stock Option (Right to Buy) [F3] | Common Stock (82,956) | $19.00 | Nov. 17, 2018 | 82,956 | Acquired |
| Nov. 19, 2007 | A | Employee Stock Option (Right to Buy) [F1] | Common Stock (42,017) | $35.80 | Nov. 18, 2017 | 42,017 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 7, 2024 | TRMB | Common Stock | 5,517 | Direct |
| Nov. 18, 2011 | TRMB | Common Stock | 0 | Direct |
| Nov. 21, 2007 | A | Common Stock | 3,167 | Direct |
| Nov. 21, 2007 | A | Employee Stock Option (Right to Buy) [F1]→ Common Stock (6,563) | 6,563 | Direct |
| Nov. 21, 2007 | A | Employee Stock Option (Right to Buy) [F1]→ Common Stock (26,253) | 26,253 | Direct |
| Nov. 21, 2007 | A | Employee Stock Option (Right to Buy) [F1]→ Common Stock (13,127) | 13,127 | Direct |
| Nov. 21, 2007 | A | Employee Stock Option (Right to Buy) [F1]→ Common Stock (21,002) | 21,002 | Direct |
| Nov. 21, 2007 | A | Employee Stock Option (Right to Buy) [F1]→ Common Stock (25,000) | 25,000 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2009 | $413,125 | $0 | $588,777 | $382,339 | $271,597 | $92,232 | $25,075 | $1,773,146 |
| 2008 | $397,875 | $0 | $469,569 | $267,038 | $239,050 | $79,307 | $24,523 | $1,477,363 |
KEYS
CEO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2022 | $1,000,000 | — | $17,025,814 | — | $1,703,325 | $38,859 | $38,361 | $19,806,359 |
| 2021 | $1,000,000 | $0 | $15,058,182 | $0 | $2,216,156 | $249,447 | $42,625 | $18,566,410 |
| 2020 | $833,333 | $0 | $12,380,746 | $0 | $1,770,000 | $230,837 | $36,064 | $15,250,980 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.