Thomas St Dennis

CIK 1339595 · View on SEC EDGAR ↗

Insider

First SEC filing: May 26, 2026 · Latest: May 26, 2026

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Insider at

Insider transactions

0 buys (P) 3 sells (S) Net: $-650,707 + 65 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

65 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 15, 2026 FORM S 2,800 $151.49 $424,172 29,073 Direct -8.78% Disposed -25.0% (price as of 2026-08-20)
May 22, 2026 ACLS S 900 $155.37 $139,833 17,695 Direct -4.84% Disposed -19.7% (price as of 2026-08-20)
May 11, 2026 VECO S 1,400 $61.93 $86,702 61,697 Direct -2.22% Disposed -24.4% (price as of 2026-08-20)
May 29, 2025 FORM S 3,000 $31.24 $93,720 40,957 Direct -6.82% Disposed 263.9% (price as of 2026-08-20)
Nov. 5, 2024 FORM S 3,100 $39.11 $121,241 37,429 Direct -7.65% Disposed 190.7% (price as of 2026-08-20)
May 10, 2024 FORM S 2,000 $56.30 $112,600 36,701 Direct -5.17% Disposed 101.9% (price as of 2026-08-20)
Nov. 14, 2023 FORM S 3,792 $38.24 $145,006 38,701 Direct -8.92% Disposed 197.3% (price as of 2026-08-20)
Feb. 16, 2023 FORM S 13,000 $32.31 $420,030 30,890 Direct -29.62% Disposed 251.9% (price as of 2026-08-20)
Feb. 13, 2023 ACLS S 12,000 $127.02 $1,524,240 10,625 Direct -53.04% Disposed -1.7% (price as of 2026-08-20)
Nov. 18, 2022 ACLS S 3,000 $76.66 $229,980 22,625 Direct -11.71% Disposed 62.8% (price as of 2026-08-20)
May 16, 2022 VECO P 2,500 $21.60 $54,000 52,429 Direct +5.01% Acquired 116.8% (price as of 2026-08-20)
Feb. 10, 2022 ACLS S 3,000 $72.81 $218,430 22,936 Direct -11.57% Disposed 71.4% (price as of 2026-08-20)
Feb. 8, 2022 FORM S 6,000 $41.63 $249,780 40,098 Direct -13.02% Disposed 173.1% (price as of 2026-08-20)
Aug. 30, 2021 ACLS S 3,500 $50.32 $176,120 25,936 Direct -11.89% Disposed 148.0% (price as of 2026-08-20)
May 11, 2020 FORM S 6,000 $24.78 $148,680 30,000 Direct -16.67% Disposed 358.8% (price as of 2026-08-20)
May 11, 2020 ACLS S 6,000 $26.61 $159,660 19,058 Direct -23.94% Disposed 369.0% (price as of 2026-08-20)
Feb. 10, 2020 FORM S 10,000 $25.94 $259,400 36,000 Direct -21.74% Disposed 338.3% (price as of 2026-08-20)
Feb. 10, 2020 ACLS S 8,500 $28.27 $240,295 25,058 Direct -25.33% Disposed 341.5% (price as of 2026-08-20)
Nov. 20, 2019 FORM S 5,000 $22.68 $113,400 46,000 Indirect -9.80% Disposed 401.3% (price as of 2026-08-20)
Aug. 20, 2019 FORM S 3,000 $17.26 $51,780 51,000 Direct -5.56% Disposed 558.7% (price as of 2026-08-20)
Feb. 20, 2019 FORM S 8,000 $15.99 $127,920 45,000 Direct -15.09% Disposed 611.0% (price as of 2026-08-20)
Feb. 20, 2019 ACLS S 5,000 $22.43 $112,150 27,326 Direct -15.47% Disposed 456.4% (price as of 2026-08-20)
March 6, 2018 FORM S 20,867 $13.58 $283,374 40,666 Direct -33.91% Disposed 737.2% (price as of 2026-08-20)
June 14, 2017 FORM S 400 $13.92 $5,568 40,666 Direct -0.97% Disposed 716.7% (price as of 2026-08-20)
June 5, 2017 FORM S 128,733 $14.58 $1,876,927 40,666 Direct -75.99% Disposed 679.8% (price as of 2026-08-20)
June 2, 2017 FORM S 156,600 $14.63 $2,291,058 40,666 Direct -79.39% Disposed 677.1% (price as of 2026-08-20)
May 11, 2017 FORM S 13,962 $13.55 $189,185 184,933 Direct -7.02% Disposed 739.0% (price as of 2026-08-20)
May 9, 2017 FORM S 62,088 $13.77 $854,952 184,933 Direct -25.13% Disposed 725.6% (price as of 2026-08-20)
Feb. 24, 2017 FORM S 2,700 $11.22 $30,294 164,933 Direct -1.61% Disposed 913.3% (price as of 2026-08-20)
Feb. 22, 2017 FORM S 17,597 $11.75 $206,765 164,933 Direct -9.64% Disposed 867.6% (price as of 2026-08-20)
Feb. 21, 2017 FORM S 7,368 $11.95 $88,048 164,933 Direct -4.28% Disposed 851.4% (price as of 2026-08-20)
Feb. 17, 2017 FORM S 77,965 $11.85 $923,885 164,933 Direct -32.10% Disposed 859.4% (price as of 2026-08-20)
Feb. 17, 2017 FORM S 6,249 $11.90 $74,363 242,898 Direct -2.51% Disposed 855.4% (price as of 2026-08-20)
Feb. 16, 2017 FORM S 100,000 $11.79 $1,179,000 164,933 Direct -37.75% Disposed 864.3% (price as of 2026-08-20)
Feb. 16, 2017 FORM S 5,100 $11.98 $61,098 264,933 Direct -1.89% Disposed 849.0% (price as of 2026-08-20)

Showing latest 100 of 202 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
May 27, 2022 FORM Restricted Stock Units Common Stock (4,833) $0.00 — 4,833 Acquired
May 14, 2022 FORM Restricted Stock Units Common Stock (3,792) $0.00 — 3,792 Disposed
May 17, 2021 FORM Restricted Stock Units Common Stock (7,098) $0.00 — 7,098 Disposed
May 14, 2021 FORM Restricted Stock Units Common Stock (3,792) $0.00 — 3,792 Acquired
May 18, 2020 FORM Restricted Stock Units Common Stock (9,000) $0.00 — 9,000 Disposed
May 15, 2020 FORM Restricted Stock Units Common Stock (7,098) $0.00 — 7,098 Acquired
May 18, 2019 FORM Restricted Stock Units Common Stock (9,000) $0.00 — 9,000 Disposed
May 17, 2019 FORM Restricted Stock Units Common Stock (9,000) $0.00 — 9,000 Acquired
May 28, 2018 FORM Restricted Stock Units Common Stock (3,334) $0.00 — 3,334 Disposed
May 26, 2018 FORM Restricted Stock Units Common Stock (9,000) $0.00 — 9,000 Disposed
May 18, 2018 FORM Restricted Stock Units Common Stock (9,000) $0.00 — 9,000 Acquired
March 6, 2018 FORM Non-Qualified Stock Option (right to buy) Common Stock (20,867) $10.37 April 29, 2018 20,867 Disposed
June 14, 2017 FORM Non-Qualified Stock Option (right to buy) Common Stock (400) $10.37 April 29, 2018 400 Disposed
June 5, 2017 FORM Non-Qualified Stock Option (right to buy) Common Stock (128,733) $10.37 April 29, 2018 128,733 Disposed
May 28, 2017 FORM Restricted Stock Units Common Stock (3,333) $0.00 — 3,333 Disposed
May 26, 2017 FORM Restricted Stock Units Common Stock (9,000) $0.00 — 9,000 Acquired
May 20, 2017 FORM Restricted Stock Units Common Stock (9,000) $0.00 — 9,000 Disposed
May 11, 2017 FORM Non-Qualified Stock Option (right to buy) Common Stock (13,962) $7.52 Sept. 13, 2017 13,962 Disposed
May 9, 2017 FORM Non-Qualified Stock Option (right to buy) Common Stock (62,088) $7.52 Sept. 13, 2017 62,088 Disposed
May 5, 2017 FORM Restricted Stock Units Common Stock (20,000) $0.00 — 20,000 Disposed
Feb. 24, 2017 FORM Non-Qualified Stock Option (right to buy) Common Stock (2,700) $7.52 Sept. 13, 2017 2,700 Disposed
Feb. 22, 2017 FORM Non-Qualified Stock Option (right to buy) Common Stock (17,597) $7.52 Sept. 13, 2017 17,597 Disposed
Feb. 21, 2017 FORM Non-Qualified Stock Option (right to buy) Common Stock (7,368) $7.52 Sept. 13, 2017 7,368 Disposed
Feb. 17, 2017 FORM Non-Qualified Stock Option (right to buy) Common Stock (84,214) $7.52 Sept. 13, 2017 84,214 Disposed
Feb. 16, 2017 FORM Non-Qualified Stock Option (right to buy) Common Stock (105,100) $7.52 Sept. 13, 2017 105,100 Disposed
Feb. 15, 2017 FORM Non-Qualified Stock Option (right to buy) Common Stock (58,170) $7.52 Sept. 13, 2017 58,170 Disposed
Feb. 14, 2017 FORM Non-Qualified Stock Option (right to buy) Common Stock (80,397) $7.52 Sept. 13, 2017 80,397 Disposed
Feb. 13, 2017 FORM Non-Qualified Stock Option (right to buy) Common Stock (18,404) $7.52 Sept. 13, 2017 18,404 Disposed
May 31, 2016 FORM Restricted Stock Units Common Stock (3,333) $0.00 — 3,333 Disposed
May 20, 2016 FORM Restricted Stock Units Common Stock (9,000) $0.00 — 9,000 Acquired
May 6, 2016 FORM Restricted Stock Units Common Stock (20,000) $0.00 — 20,000 Disposed
May 5, 2016 FORM Restricted Stock Units Common Stock (20,000) $0.00 — 20,000 Disposed
May 2, 2016 FORM Performance Shares Common Stock (116,600) $0.00 — 116,600 Disposed
April 6, 2016 FORM Performance Shares Common Stock (116,600) $0.00 — 116,600 Acquired
May 28, 2015 FORM Restricted Stock Units Common Stock (10,000) $0.00 — 10,000 Acquired
May 6, 2015 FORM Restricted Stock Units Common Stock (20,000) $0.00 — 20,000 Disposed
May 5, 2015 FORM Restricted Stock Units Common Stock (20,000) $0.00 — 20,000 Disposed
May 4, 2015 FORM Performance Shares Common Stock (175,000) $0.00 — 175,000 Disposed
May 4, 2015 FORM Restricted Stock Units Common Stock (5,000) $0.00 — 5,000 Disposed
April 8, 2015 FORM Performance Shares Common Stock (175,000) $0.00 — 175,000 Acquired
Feb. 10, 2015 FORM Restricted Stock Units Common Stock (16,667) $0.00 — 16,667 Disposed
Sept. 15, 2014 FORM Restricted Stock Units Common Stock (15,000) $0.00 — 15,000 Disposed
May 5, 2014 FORM Restricted Stock Units Common Stock (60,000) $0.00 — 60,000 Acquired
May 5, 2014 FORM Restricted Stock Units Common Stock (5,000) $0.00 — 5,000 Disposed
Feb. 27, 2014 FORM Performance Shares Common Stock (988) $0.00 — 988 Acquired
Feb. 27, 2014 FORM Performance Shares Common Stock (35,494) $0.00 — 35,494 Disposed
Feb. 10, 2014 FORM Restricted Stock Units Common Stock (16,667) $0.00 — 16,667 Disposed
Jan. 28, 2014 FORM Performance Shares Common Stock (70,000) $0.00 — 70,000 Acquired
Sept. 13, 2013 FORM Restricted Stock Units Common Stock (15,000) $0.00 — 15,000 Disposed
May 6, 2013 FORM Restricted Stock Units Common Stock (5,000) $0.00 — 5,000 Disposed
May 6, 2013 FORM Restricted Stock Units Common Stock (60,000) $0.00 — 60,000 Acquired
Feb. 11, 2013 FORM Restricted Stock Units Common Stock (16,666) $0.00 — 16,666 Disposed
Sept. 13, 2012 FORM Restricted Stock Units Common Stock (15,000) $0.00 — 15,000 Disposed
May 4, 2012 FORM Restricted Stock Units Common Stock (50,000) $0.00 — 50,000 Acquired
May 4, 2012 FORM Restricted Stock Units Common Stock (5,000) $0.00 — 5,000 Disposed
Sept. 13, 2011 FORM Restricted Stock Units Common Stock (15,000) $0.00 — 15,000 Disposed
April 29, 2011 FORM Non-Qualified Stock Option (right to buy) Common Stock (150,000) $10.37 April 29, 2018 150,000 Acquired
April 29, 2011 FORM Restricted Stock Units Common Stock (20,000) $0.00 — 20,000 Acquired
Sept. 13, 2010 FORM Stock Option (Right to Buy) Common Stock (450,000) $7.52 Sept. 13, 2017 450,000 Acquired
Sept. 13, 2010 FORM Restricted Stock Units Common Stock (60,000) $0.00 — 60,000 Acquired
March 9, 2009 AMAT Employee Stock Option (right to buy) Common Stock (600,000) $8.58 March 9, 2014 600,000 Acquired
July 15, 2007 AMAT Performance Shares (or Restricted Stock Units) [F5] Common Stock (50,000) — — 50,000 Disposed
July 15, 2007 AMAT Performance Shares (or Restricted Stock Units) [F5] Common Stock (16,062) — — 16,062 Disposed
July 15, 2007 AMAT Performance Shares (or Restricted Stock Units) [F5] Common Stock (8,938) $20.48 — 8,938 Disposed
Dec. 13, 2005 AMAT Employee Stock Option (right to buy) Common Stock (200,000) $19.20 Dec. 13, 2012 200,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 5 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
May 6, 2016 VECO No Securities are beneficially owned 0 Direct
May 13, 2015 ACLS Common Stock 0 Direct
Sept. 23, 2005 AMAT Common Stock 7,182 Indirect
Sept. 23, 2005 AMAT Employee Stock Option (Right to Buy)→ Common Stock (400,000) 400,000 Direct
Sept. 23, 2005 AMAT Performance Shares (or Restricted Stock Units) [F2]→ Common Stock (75,000) 75,000 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

AMAT

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2009 $410,572 — — — — — $14,184 $1,753,816
2008 $485,895 — — — $350,000 $97 $862 $4,662,608
2007 $479,615 — — — $777,213 $518 $858 $4,473,891

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.