David B Roberts
CIK 1365731 · View on SEC EDGAR ↗
Insider
First SEC filing: June 9, 2026 · Latest: June 9, 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
0 buys (P)
2 sells (S)
Net:
$-1,260,591
+ 95 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
95 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 11, 2026 | LMAT | S | 3,312 | $107.68 | $356,636 | 14,667 Direct | -18.42% | Disposed | -23.2% (price as of 2026-08-20) |
| Feb. 27, 2026 | LMAT | S | 8,464 | $106.80 | $903,955 | 17,979 Direct | -32.01% | Disposed | -22.6% (price as of 2026-08-20) |
| Aug. 2, 2018 | LMAT | S | 21,005 | $35.72 | $750,299 | 5,373 Direct | -79.63% | Disposed | 131.4% (price as of 2026-08-20) |
| Nov. 6, 2017 | LMAT | S | 4,123 | $32.14 | $132,513 | 24,482 Direct | -14.41% | Disposed | 157.2% (price as of 2026-08-20) |
| Aug. 30, 2017 | LMAT | S | 26,683 | $36.67 | $978,466 | 28,605 Direct | -48.26% | Disposed | 125.4% (price as of 2026-08-20) |
Showing latest 100 of 282 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 7, 2026 | AVR | Restricted Stock Units | Common Stock (17,580) | — | — | 17,580 | Disposed |
| June 4, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (5) | — | — | 5 | Acquired |
| June 4, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (0) | — | — | 0 | Acquired |
| June 4, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (0) | — | — | 0 | Acquired |
| June 4, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (3) | — | — | 3 | Acquired |
| June 4, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (3) | — | — | 3 | Acquired |
| June 4, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (4) | — | — | 4 | Acquired |
| June 4, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (3) | — | — | 3 | Acquired |
| June 4, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (2) | — | — | 2 | Acquired |
| June 4, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (2) | — | — | 2 | Acquired |
| March 26, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (4) | — | — | 4 | Acquired |
| March 26, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (0) | — | — | 0 | Acquired |
| March 26, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (0) | — | — | 0 | Acquired |
| March 26, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (3) | — | — | 3 | Acquired |
| March 26, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (2) | — | — | 2 | Acquired |
| March 26, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (3) | — | — | 3 | Acquired |
| March 26, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (3) | — | — | 3 | Acquired |
| March 26, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (2) | — | — | 2 | Acquired |
| March 26, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (2) | — | — | 2 | Acquired |
| Feb. 26, 2026 | LMAT | Dividend Equivalent Rights | Common Stock (3) | — | — | 3 | Disposed |
| Feb. 5, 2026 | LMAT | Stock Option (Right to Buy) | Common Stock (7) | $48.60 | Dec. 11, 2028 | 7 | Disposed |
| Feb. 5, 2026 | LMAT | Stock Option (Right to Buy) | Common Stock (2,672) | $37.29 | Dec. 2, 2027 | 2,672 | Disposed |
| Dec. 12, 2025 | LMAT | Dividend Equivalent Rights | Common Stock (18) | — | — | 18 | Disposed |
| Dec. 12, 2025 | LMAT | Dividend Equivalent Rights | Common Stock (18) | — | — | 18 | Disposed |
| Dec. 11, 2025 | LMAT | Dividend Equivalent Rights | Common Stock (25) | — | — | 25 | Disposed |
| Dec. 10, 2025 | LMAT | Stock Option (Right to Buy) | Common Stock (10,400) | $83.66 | Dec. 10, 2032 | 10,400 | Acquired |
| Dec. 8, 2025 | LMAT | Dividend Equivalent Rights | Common Stock (11) | — | — | 11 | Disposed |
| Dec. 8, 2025 | LMAT | Dividend Equivalent Rights | Common Stock (9) | — | — | 9 | Disposed |
| Dec. 6, 2025 | LMAT | Dividend Equivalent Rights | Common Stock (3) | — | — | 3 | Disposed |
| Dec. 4, 2025 | LMAT | Dividend Equivalent Rights | Common Stock (0) | — | — | 0 | Acquired |
| Dec. 4, 2025 | LMAT | Dividend Equivalent Rights | Common Stock (3) | — | — | 3 | Acquired |
| Dec. 4, 2025 | LMAT | Dividend Equivalent Rights | Common Stock (5) | — | — | 5 | Acquired |
| Dec. 4, 2025 | LMAT | Dividend Equivalent Rights | Common Stock (4) | — | — | 4 | Acquired |
| Dec. 4, 2025 | LMAT | Dividend Equivalent Rights | Common Stock (3) | — | — | 3 | Acquired |
| Dec. 4, 2025 | LMAT | Dividend Equivalent Rights | Common Stock (3) | — | — | 3 | Acquired |
| Dec. 4, 2025 | LMAT | Dividend Equivalent Rights | Common Stock (2) | — | — | 2 | Acquired |
| Dec. 3, 2025 | AVR | Restricted Stock Units | Common Stock (13,821) | — | — | 13,821 | Acquired |
| Dec. 3, 2025 | AVR | Restricted Stock Units | Common Stock (52,742) | — | — | 52,742 | Acquired |
| Dec. 2, 2025 | LMAT | Dividend Equivalent Rights | Common Stock (15) | — | — | 15 | Disposed |
| Dec. 22, 2018 | LMAT | Dividend Equivalent Rights | Common Stock (10) | — | — | 10 | Disposed |
| Dec. 19, 2018 | LMAT | Stock Option (Right to Buy) | Common Stock (21,832) | $23.56 | Dec. 19, 2025 | 21,832 | Acquired |
| Dec. 6, 2018 | LMAT | Dividend Equivalent Rights | Common Stock (5) | — | — | 5 | Acquired |
| Dec. 6, 2018 | LMAT | Dividend Equivalent Rights | Common Stock (7) | — | — | 7 | Acquired |
| Sept. 6, 2018 | LMAT | Dividend Equivalent Rights | Common Stock (3) | — | — | 3 | Acquired |
| Sept. 6, 2018 | LMAT | Dividend Equivalent Rights | Common Stock (5) | — | — | 5 | Acquired |
| Aug. 3, 2018 | LMAT | Stock Option (Right to Buy) | Common Stock (10,009) | $14.13 | July 25, 2023 | 10,009 | Disposed |
| Aug. 3, 2018 | LMAT | Stock Option (Right to Buy) | Common Stock (9,752) | $11.43 | July 23, 2022 | 9,752 | Disposed |
| Aug. 3, 2018 | LMAT | Stock Option (Right to Buy) | Common Stock (8,575) | $7.87 | July 24, 2021 | 8,575 | Disposed |
| July 25, 2018 | LMAT | Dividend Equivalent Rights | Common Stock (10) | — | — | 10 | Disposed |
| June 7, 2018 | LMAT | Dividend Equivalent Rights | Common Stock (4) | — | — | 4 | Acquired |
| June 7, 2018 | LMAT | Dividend Equivalent Rights | Common Stock (7) | — | — | 7 | Acquired |
| April 5, 2018 | LMAT | Dividend Equivalent Rights | Common Stock (3) | — | — | 3 | Acquired |
| April 5, 2018 | LMAT | Dividend Equivalent Rights | Common Stock (6) | — | — | 6 | Acquired |
| Dec. 22, 2017 | LMAT | Stock Option (Right to Buy) | Common Stock (17,303) | $31.30 | Dec. 22, 2024 | 17,303 | Acquired |
| Dec. 7, 2017 | LMAT | Dividend Equivalent Rights | Common Stock (6) | — | — | 6 | Acquired |
| Sept. 7, 2017 | LMAT | Dividend Equivalent Rights | Common Stock (5) | — | — | 5 | Acquired |
| Aug. 30, 2017 | LMAT | Stock Option (Right to Buy) | Common Stock (7,180) | $14.13 | July 25, 2023 | 7,180 | Disposed |
| Aug. 30, 2017 | LMAT | Stock Option (Right to Buy) | Common Stock (19,503) | $11.43 | July 23, 2022 | 19,503 | Disposed |
| Aug. 4, 2017 | LMAT | Stock Option (Right to Buy) | Common Stock (25,723) | $7.87 | July 24, 2021 | 25,723 | Disposed |
| Aug. 4, 2017 | LMAT | Stock Option (Right to Buy) | Common Stock (21,094) | $7.10 | July 26, 2018 | 21,094 | Disposed |
| Aug. 4, 2017 | LMAT | Stock Option (Right to Buy) | Common Stock (1,500) | $6.51 | April 26, 2018 | 1,500 | Disposed |
| July 25, 2017 | LMAT | Dividend Equivalent Rights | Common Stock (5) | — | — | 5 | Disposed |
| June 8, 2017 | LMAT | Dividend Equivalent Rights | Common Stock (7) | — | — | 7 | Acquired |
| June 5, 2017 | LMAT | Stock Option (Right to Buy) | Common Stock (20,105) | $7.10 | July 26, 2018 | 20,105 | Disposed |
| June 5, 2017 | LMAT | Stock Option (Right to Buy) | Common Stock (1,500) | $6.50 | Nov. 8, 2017 | 1,500 | Disposed |
| May 4, 2017 | LMAT | Stock Option (Right to Buy) | Common Stock (22,980) | $5.85 | July 26, 2017 | 22,980 | Disposed |
| April 25, 2017 | LMAT | Stock Option (Right to Buy) | Common Stock (21,360) | $5.85 | July 26, 2017 | 21,360 | Disposed |
| April 6, 2017 | LMAT | Dividend Equivalent Rights | Common Stock (9) | — | — | 9 | Acquired |
| Dec. 5, 2016 | LMAT | Dividend Equivalent Rights | Common Stock (8) | — | — | 8 | Acquired |
| Oct. 13, 2016 | LMAT | Stock Option (Right to Buy) | Common Stock (1,500) | $4.70 | Feb. 25, 2017 | 1,500 | Disposed |
| Oct. 13, 2016 | LMAT | Stock Option (Right to Buy) | Common Stock (1,552) | $4.41 | Nov. 6, 2016 | 1,552 | Disposed |
| Sept. 6, 2016 | LMAT | Dividend Equivalent Rights | Common Stock (9) | — | — | 9 | Acquired |
| July 25, 2016 | LMAT | Stock Option (Right to Buy) | Common Stock (42,976) | $14.13 | July 25, 2023 | 42,976 | Acquired |
| May 6, 2016 | LMAT | Stock Option (Right to Buy) | Common Stock (0) | $3.00 | July 27, 2016 | 17,064 | Disposed |
| April 15, 2016 | LMAT | Stock Option (Right to Buy) | Common Stock (39,531) | $3.00 | July 27, 2016 | 39,531 | Disposed |
| July 23, 2015 | LMAT | Stock Option (Right to Buy) | Common Stock (48,758) | $11.43 | July 23, 2022 | 48,758 | Acquired |
| March 6, 2015 | LMAT | Stock Option (Right to Buy) | Common Stock (94,629) | $3.27 | June 6, 2015 | 94,629 | Disposed |
| July 24, 2014 | LMAT | Stock Option (Right to Buy) | Common Stock (42,872) | $7.87 | July 24, 2021 | 42,872 | Acquired |
| July 30, 2013 | LMAT | Stock Option (Right to Buy) | Common Stock (100) | $5.95 | Nov. 21, 2013 | 100 | Disposed |
| July 29, 2013 | LMAT | Stock Option (Right to Buy) | Common Stock (12,303) | $5.95 | Nov. 21, 2013 | 12,303 | Disposed |
| July 26, 2013 | LMAT | Stock Option (Right to Buy) | Common Stock (7,206) | $5.95 | Nov. 21, 2013 | 7,206 | Disposed |
| July 25, 2013 | LMAT | Stock Option (Right to Buy) | Common Stock (1,894) | $5.95 | Nov. 21, 2013 | 1,894 | Disposed |
| June 24, 2013 | LMAT | Stock Option (Right to Buy) | Common Stock (1,600) | $5.95 | Nov. 21, 2013 | 1,600 | Disposed |
| June 21, 2013 | LMAT | Stock Option (Right to Buy) | Common Stock (500) | $5.95 | Nov. 21, 2013 | 500 | Disposed |
| June 18, 2013 | LMAT | Stock Option (Right to Buy) | Common Stock (400) | $5.95 | Nov. 21, 2013 | 400 | Disposed |
| May 30, 2013 | LMAT | Stock Option (Right to Buy) | Common Stock (997) | $5.95 | Nov. 21, 2013 | 997 | Disposed |
| July 26, 2011 | LMAT | Stock Option (Right to Buy) | Common Stock (41,199) | $7.10 | July 26, 2018 | 41,199 | Acquired |
| April 26, 2011 | LMAT | Stock Option (Right to Buy) | Common Stock (1,500) | $6.51 | April 26, 2018 | 1,500 | Acquired |
| Nov. 8, 2010 | LMAT | Stock Option (Right to Buy) | Common Stock (1,500) | $6.50 | Nov. 8, 2017 | 1,500 | Acquired |
| July 26, 2010 | LMAT | Stock Option (Right to Buy) | Common Stock (44,340) | $5.85 | July 26, 2017 | 44,340 | Acquired |
| Feb. 25, 2010 | LMAT | Stock Option (Right to Buy) | Common Stock (1,500) | $4.70 | Feb. 25, 2017 | 1,500 | Acquired |
| Nov. 6, 2009 | LMAT | Stock Option (Right to Buy) | Common Stock (1,552) | $4.41 | Nov. 6, 2016 | 1,552 | Acquired |
| July 27, 2009 | LMAT | Stock Option (Right to Buy) | Common Stock (56,595) | $3.00 | July 27, 2016 | 56,595 | Acquired |
| June 6, 2008 | LMAT | Stock Option (Right to Buy) | Common Stock (94,629) | $3.27 | June 6, 2015 | 94,629 | Acquired |
| Jan. 26, 2007 | LMAT | Stock Option (Right to Buy) | Common Stock (44,580) | $1.29 | Oct. 1, 2007 | 44,580 | Disposed |
| Nov. 21, 2006 | LMAT | Stock Option (Right to Buy) | Common Stock (25,000) | $5.95 | Nov. 21, 2013 | 25,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 18, 2006 | LMAT | Common Stock | 259,748 | Direct |
| Oct. 18, 2006 | LMAT | Stock Option (Right to Buy)→ Common Stock (44,580) | 44,580 | Direct |
| Oct. 18, 2006 | LMAT | Stock Option (Right to Buy)→ Common Stock (25,300) | 25,300 | Direct |
| Oct. 18, 2006 | LMAT | Stock Option (Right to Buy)→ Common Stock (67,200) | 67,200 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2023 | $430,311 | — | — | — | $194,641 | — | $9,900 | $1,134,852 |
| 2022 | $411,781 | — | — | — | $91,408 | — | $19,128 | $1,022,317 |
| 2021 | $385,925 | $16,000 | — | — | $192,282 | — | $8,800 | $1,103,007 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.