Follow the people · Insider
Thomas C. Chow
Thomas C. Chow files insider transactions with the SEC as an evp & general counsel of Strategy (MSTR). We hold 2 disclosed purchases and sales filed since 2 February 2021, 2 of them in the last 90 days.
- Files forMSTR
- Disclosed buys and sells2 in all, 2 in the last 90 days
- Last disclosure8 September 2026
Positions held
2 posts we hold — a term names its own dates; a run of filings only says when they filed- Filed 5 December 2025 — 4 September 2026EVP & General Counsel · Strategy (MSTR)7 Form 4 lines · source: SEC Form 4
- Filed 29 January 2021 — 5 July 2022General Counsel and Secretary · PubMatic (PUBM)73 Form 4 lines · source: SEC Form 4
Everything they disclosed
80 entries, newest first — one per disclosure report, one per Form 4 line- ▼ sold on the open market 106 shares of StrategySEC Form 48 September 2026Class A Common Stock · traded 4 September 2026 · filed 8 September 2026
- ▲ bought on the open market 100 shares of StrategySEC Form 417 June 2026Series A Perpetual Stretch Preferred Stock · traded 16 June 2026 · filed 17 June 2026
- ▲ bought on the open market 11 shares of StrategySEC Form 417 June 2026Series A Perpetual Strike Preferred Stock · traded 16 June 2026 · filed 17 June 2026
- was granted 4,481 shares of Strategy (a derivative holding)SEC Form 419 March 2026Performance Stock Units · traded 17 March 2026 · filed 19 March 2026
- was granted 4,481 shares of Strategy (a derivative holding)SEC Form 419 March 2026Performance Stock Units · traded 17 March 2026 · filed 19 March 2026
- was granted 9,843 shares of Strategy (a derivative holding)SEC Form 49 December 2025Employee Stock Option (Right to buy) · traded 5 December 2025 · filed 9 December 2025
- was granted 11,772 shares of Strategy (a derivative holding)SEC Form 49 December 2025Restricted Stock Units · traded 5 December 2025 · filed 9 December 2025
- ▼ sold on the open market 461 shares of PubMaticSEC Form 47 July 2022Class A Common Stock · traded 5 July 2022 · filed 7 July 2022
- exercised options over 2,060 shares of PubMatic (a derivative holding)SEC Form 46 July 2022Restricted Stock Unit · traded 1 July 2022 · filed 6 July 2022
- exercised options over 2,060 shares of PubMaticSEC Form 46 July 2022Class A Common Stock · traded 1 July 2022 · filed 6 July 2022
- exercised options over 804 shares of PubMatic (a derivative holding)SEC Form 45 July 2022Restricted Stock Unit · traded 30 June 2022 · filed 5 July 2022
- exercised options over 804 shares of PubMaticSEC Form 45 July 2022Class A Common Stock · traded 30 June 2022 · filed 5 July 2022
- ▼ sold on the open market 294 shares of PubMaticSEC Form 45 July 2022Class A Common Stock · traded 1 July 2022 · filed 5 July 2022
- exercised options over 646 shares of PubMatic (a derivative holding)SEC Form 43 June 2022Stock Option (Right to buy Class B Common Stock) · traded 1 June 2022 · filed 3 June 2022
- exercised options over 944 shares of PubMatic (a derivative holding)SEC Form 43 June 2022Stock Option (Right to buy Class B Common Stock) · traded 1 June 2022 · filed 3 June 2022
- exercised options over 4,166 shares of PubMatic (a derivative holding)SEC Form 43 June 2022Stock Option (Right to buy Class B Common Stock) · traded 1 June 2022 · filed 3 June 2022
- exercised options over 646 shares of PubMaticSEC Form 43 June 2022Class A Common Stock · traded 1 June 2022 · filed 3 June 2022
- exercised options over 944 shares of PubMaticSEC Form 43 June 2022Class A Common Stock · traded 1 June 2022 · filed 3 June 2022
- exercised options over 4,166 shares of PubMaticSEC Form 43 June 2022Class A Common Stock · traded 1 June 2022 · filed 3 June 2022
- ▼ sold on the open market 1,250 shares of PubMaticSEC Form 43 June 2022Class A Common Stock · traded 1 June 2022 · filed 3 June 2022
- ▼ sold on the open market 5,756 shares of PubMaticSEC Form 43 June 2022Class A Common Stock · traded 1 June 2022 · filed 3 June 2022
- exercised options over 10,000 shares of PubMatic (a derivative holding)SEC Form 419 May 2022Stock Option (Right to buy Class B Common Stock) · traded 17 May 2022 · filed 19 May 2022
- exercised options over 10,000 shares of PubMatic (a derivative holding)SEC Form 419 May 2022Class B Common Stock · traded 17 May 2022 · filed 19 May 2022
- converted 10,000 shares of PubMatic (a derivative holding)SEC Form 419 May 2022Class B Common Stock · traded 17 May 2022 · filed 19 May 2022
- converted 10,000 shares of PubMaticSEC Form 419 May 2022Class A Common Stock · traded 17 May 2022 · filed 19 May 2022
- ▼ sold on the open market 10,000 shares of PubMaticSEC Form 419 May 2022Class A Common Stock · traded 17 May 2022 · filed 19 May 2022
- exercised options over 803 shares of PubMatic (a derivative holding)SEC Form 44 April 2022Restricted Stock Unit · traded 31 March 2022 · filed 4 April 2022
- exercised options over 2,060 shares of PubMatic (a derivative holding)SEC Form 44 April 2022Restricted Stock Unit · traded 1 April 2022 · filed 4 April 2022
- exercised options over 803 shares of PubMaticSEC Form 44 April 2022Class A Common Stock · traded 31 March 2022 · filed 4 April 2022
- exercised options over 2,060 shares of PubMaticSEC Form 44 April 2022Class A Common Stock · traded 1 April 2022 · filed 4 April 2022
- ▼ sold on the open market 560 shares of PubMaticSEC Form 44 April 2022Class A Common Stock · traded 4 April 2022 · filed 4 April 2022
- ▼ sold on the open market 306 shares of PubMaticSEC Form 44 April 2022Class A Common Stock · traded 4 April 2022 · filed 4 April 2022
- exercised options over 1,875 shares of PubMatic (a derivative holding)SEC Form 48 March 2022Stock Option (Right to buy Class B Common Stock) · traded 4 March 2022 · filed 8 March 2022
- exercised options over 3,125 shares of PubMatic (a derivative holding)SEC Form 48 March 2022Stock Option (Right to buy Class B Common Stock) · traded 4 March 2022 · filed 8 March 2022
- exercised options over 5,000 shares of PubMatic (a derivative holding)SEC Form 48 March 2022Class B Common Stock · traded 4 March 2022 · filed 8 March 2022
- converted 5,000 shares of PubMatic (a derivative holding)SEC Form 48 March 2022Class B Common Stock · traded 4 March 2022 · filed 8 March 2022
- exercised options over 5,000 shares of PubMaticSEC Form 48 March 2022Class A Common Stock · traded 4 March 2022 · filed 8 March 2022
- ▼ sold on the open market 5,000 shares of PubMaticSEC Form 48 March 2022Class A Common Stock · traded 4 March 2022 · filed 8 March 2022
- was granted 32,961 shares of PubMatic (a derivative holding)SEC Form 47 February 2022Restricted Stock Unit · traded 4 February 2022 · filed 7 February 2022
- was granted 21,389 shares of PubMatic (a derivative holding)SEC Form 47 February 2022Stock Option (Right to buy Class A Common Stock) · traded 4 February 2022 · filed 7 February 2022
- exercised options over 804 shares of PubMatic (a derivative holding)SEC Form 44 January 2022Restricted Stock Unit · traded 31 December 2021 · filed 4 January 2022
- exercised options over 804 shares of PubMaticSEC Form 44 January 2022Class A Common Stock · traded 31 December 2021 · filed 4 January 2022
- ▼ sold on the open market 634 shares of PubMaticSEC Form 43 December 2021Class A Common Stock · traded 2 December 2021 · filed 3 December 2021
- exercised options over 9,792 shares of PubMatic (a derivative holding)SEC Form 430 November 2021Stock Option (Right to buy Class B Common Stock) · traded 26 November 2021 · filed 30 November 2021
- exercised options over 38,867 shares of PubMatic (a derivative holding)SEC Form 430 November 2021Stock Option (Right to buy Class B Common Stock) · traded 26 November 2021 · filed 30 November 2021
- exercised options over 18,223 shares of PubMatic (a derivative holding)SEC Form 430 November 2021Stock Option (Right to buy Class B Common Stock) · traded 26 November 2021 · filed 30 November 2021
- exercised options over 66,882 shares of PubMatic (a derivative holding)SEC Form 430 November 2021Class B Common Stock · traded 26 November 2021 · filed 30 November 2021
- converted 66,882 shares of PubMatic (a derivative holding)SEC Form 430 November 2021Class B Common Stock · traded 26 November 2021 · filed 30 November 2021
- converted 66,882 shares of PubMaticSEC Form 430 November 2021Class A Common Stock · traded 26 November 2021 · filed 30 November 2021
- ▼ sold on the open market 38,604 shares of PubMaticSEC Form 430 November 2021Class A Common Stock · traded 26 November 2021 · filed 30 November 2021
- ▼ sold on the open market 25,678 shares of PubMaticSEC Form 430 November 2021Class A Common Stock · traded 26 November 2021 · filed 30 November 2021
- ▼ sold on the open market 2,600 shares of PubMaticSEC Form 430 November 2021Class A Common Stock · traded 26 November 2021 · filed 30 November 2021
- exercised options over 10,000 shares of PubMatic (a derivative holding)SEC Form 412 November 2021Stock Option (Right to buy Class B Common Stock) · traded 10 November 2021 · filed 12 November 2021
- exercised options over 10,000 shares of PubMatic (a derivative holding)SEC Form 412 November 2021Class B Common Stock · traded 10 November 2021 · filed 12 November 2021
- converted 10,000 shares of PubMatic (a derivative holding)SEC Form 412 November 2021Class B Common Stock · traded 10 November 2021 · filed 12 November 2021
- converted 10,000 shares of PubMaticSEC Form 412 November 2021Class A Common Stock · traded 10 November 2021 · filed 12 November 2021
- ▼ sold on the open market 1,300 shares of PubMaticSEC Form 412 November 2021Class A Common Stock · traded 10 November 2021 · filed 12 November 2021
- ▼ sold on the open market 8,700 shares of PubMaticSEC Form 412 November 2021Class A Common Stock · traded 10 November 2021 · filed 12 November 2021
- exercised options over 804 shares of PubMatic (a derivative holding)SEC Form 44 October 2021Restricted Stock Unit · traded 30 September 2021 · filed 4 October 2021
- exercised options over 804 shares of PubMaticSEC Form 44 October 2021Class A Common Stock · traded 30 September 2021 · filed 4 October 2021
- ▼ sold on the open market 295 shares of PubMaticSEC Form 44 October 2021Class A Common Stock · traded 1 October 2021 · filed 4 October 2021
- ▼ sold on the open market 509 shares of PubMaticSEC Form 44 October 2021Class A Common Stock · traded 4 October 2021 · filed 4 October 2021
- exercised options over 1,608 shares of PubMatic (a derivative holding)SEC Form 42 July 2021Restricted Stock Unit · traded 30 June 2021 · filed 2 July 2021
- exercised options over 5,000 shares of PubMatic (a derivative holding)SEC Form 42 July 2021Stock Option (Right to buy Class B Common Stock) · traded 1 July 2021 · filed 2 July 2021
- exercised options over 5,000 shares of PubMatic (a derivative holding)SEC Form 42 July 2021Class B Common Stock · traded 1 July 2021 · filed 2 July 2021
- converted 5,000 shares of PubMatic (a derivative holding)SEC Form 42 July 2021Class B Common Stock · traded 1 July 2021 · filed 2 July 2021
- exercised options over 1,608 shares of PubMaticSEC Form 42 July 2021Class A Common Stock · traded 30 June 2021 · filed 2 July 2021
- converted 5,000 shares of PubMaticSEC Form 42 July 2021Class A Common Stock · traded 1 July 2021 · filed 2 July 2021
- ▼ sold on the open market 3,500 shares of PubMaticSEC Form 42 July 2021Class A Common Stock · traded 1 July 2021 · filed 2 July 2021
- ▼ sold on the open market 1,000 shares of PubMaticSEC Form 42 July 2021Class A Common Stock · traded 1 July 2021 · filed 2 July 2021
- ▼ sold on the open market 500 shares of PubMaticSEC Form 42 July 2021Class A Common Stock · traded 1 July 2021 · filed 2 July 2021
- ▼ sold on the open market 630 shares of PubMaticSEC Form 42 July 2021Class A Common Stock · traded 2 July 2021 · filed 2 July 2021
- ▼ sold on the open market 978 shares of PubMaticSEC Form 42 July 2021Class A Common Stock · traded 2 July 2021 · filed 2 July 2021
- converted 15,000 shares of PubMaticSEC Form 43 June 2021Class A Common Stock · traded 1 June 2021 · filed 3 June 2021
- ▼ sold on the open market 16,866 shares of PubMaticSEC Form 43 June 2021Class A Common Stock · traded 1 June 2021 · filed 3 June 2021
- exercised options over 15,000 shares of PubMatic (a derivative holding)SEC Form 43 June 2021Stock Option (Right to buy Class B Common Stock) · traded 1 June 2021 · filed 3 June 2021
- exercised options over 15,000 shares of PubMatic (a derivative holding)SEC Form 43 June 2021Class B Common Stock · traded 1 June 2021 · filed 3 June 2021
- converted 15,000 shares of PubMatic (a derivative holding)SEC Form 43 June 2021Class B Common Stock · traded 1 June 2021 · filed 3 June 2021
- was granted 12,862 shares of PubMatic (a derivative holding)SEC Form 42 February 2021Restricted Stock Unit · traded 29 January 2021 · filed 2 February 2021
- was granted 25,461 shares of PubMatic (a derivative holding)SEC Form 42 February 2021Stock Option (Right to buy Class A Common Stock) · traded 29 January 2021 · filed 2 February 2021
Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.