David Montgomery
EVP Global Business Strategy at Somnigroup International Inc. (SGI)
David Montgomery has filed 22 insider reports with the SEC since January 2021, as EVP Global Business Strategy at Somnigroup International Inc. (SGI). David Montgomery made no open-market purchases or sales in the last 12 months. The latest filing, on March 2, 2026, reports grant or award at Somnigroup International Inc. (SGI).
- Filings
- 22
- Companies
- 1
- Bought on market
- None
- Sold on market
- $17.4M
Companies where David Montgomery is an insider
| Company | Role | Shares held | Bought | Sold | Avg buy | Price now | Last filing |
|---|---|---|---|---|---|---|---|
| SGI Somnigroup International Inc. | EVP Global Business Strategy | 858,570 | $17.4M | $64.17 | Mar 2, 2026 |
Shares held: common shares owned directly after the latest filing that states it. Avg buy: open-market purchase dollars divided by shares bought, every filing on record.
Every filing
- Feb 26, 2026SGISEC Form 4 filed by EVP Global Business Strategy Montgomery DavidForm 4Grant or award
- Jan 2, 2026SGIEVP Global Business Strategy Montgomery David converted options into 27,802 shares and covered exercise/tax liability with 13,071 shares, increasing direct ownership by 2% to 858,570 unitsForm 4Grant or awardShares withheld for taxes or exercise priceExercise or conversion of a derivative
- Nov 13, 2025SGIEVP Global Business Strategy Montgomery David gifted 40,000 shares, decreasing direct ownership by 5% to 843,839 unitsForm 4Gift
- Jun 11, 2025-$4.99MSGIEVP Global Business Strategy Montgomery David exercised 101,008 shares at a strike of $16.72 and sold $4,991,987 worth of shares (76,008 units at $65.68), increasing direct ownership by 3% to 883,839 unitsForm 4Exercise or conversion of a derivativeOpen-market sale
- Mar 13, 2025SGIEVP Global Business Strategy Montgomery David gifted 17,000 shares, decreasing direct ownership by 2% to 858,839 unitsForm 4Gift
- Mar 3, 2025-$2.06MSGIEVP Global Business Strategy Montgomery David exercised 50,000 shares at a strike of $17.38 and sold $2,061,403 worth of shares (32,785 units at $62.88), increasing direct ownership by 2% to 875,839 unitsForm 4Grant or awardExercise or conversion of a derivativeOpen-market sale
- Jan 3, 2025SGIEVP Global Business Strategy Montgomery David converted options into 44,976 shares and covered exercise/tax liability with 21,142 shares, increasing direct ownership by 3% to 858,624 unitsForm 4Grant or awardShares withheld for taxes or exercise priceExercise or conversion of a derivative
- Dec 6, 2024SGIEVP Global Business Strategy Montgomery David gifted 50,000 shares, decreasing direct ownership by 6% to 834,790 unitsForm 4Gift
- Feb 20, 2024SGIMontgomery David gifted 60,000 shares, decreasing direct ownership by 6% to 884,790 unitsForm 4Grant or awardGift
- Jan 4, 2024SGIMontgomery David converted options into 32,754 shares and covered exercise/tax liability with 15,397 shares, increasing direct ownership by 2% to 944,790 unitsForm 4Grant or awardShares withheld for taxes or exercise priceExercise or conversion of a derivative
- Jan 3, 2024SGIMontgomery David converted options into 81,512 shares and covered exercise/tax liability with 38,312 shares, increasing direct ownership by 5% to 927,433 unitsForm 4Shares withheld for taxes or exercise priceExercise or conversion of a derivative
- Aug 11, 2023-$4.56MSGISEC Form 4: Montgomery David exercised 100,000 shares at a strike of $17.38, sold $4,561,452 worth of shares (100,000 units at $45.61) and gifted 40,000 shares, decreasing direct ownership by 4% to 884,233 unitsForm 4GiftExercise or conversion of a derivativeOpen-market sale
- Feb 17, 2023SGISEC Form 4 filed by Montgomery DavidForm 4Grant or award
- Jan 4, 2023SGISEC Form 4: Montgomery David converted options into 62,934 shares and covered exercise/tax liability with 29,581 shares, increasing direct ownership by 4% to 924,233 unitsForm 4Grant or awardShares withheld for taxes or exercise priceExercise or conversion of a derivative
- Jan 3, 2023SGISEC Form 4: Montgomery David converted options into 81,536 shares and covered exercise/tax liability with 38,323 shares, increasing direct ownership by 5% to 890,880 unitsForm 4Shares withheld for taxes or exercise priceExercise or conversion of a derivative
- Sep 7, 2022-$2.62MSGISEC Form 4: Montgomery David sold $2,623,600 worth of shares (100,000 units at $26.24), decreasing direct ownership by 11% to 847,667 unitsForm 4Open-market sale
- Mar 15, 2022SGISEC Form 4: Montgomery David gifted 20,000 shares, decreasing direct ownership by 2% to 947,667 unitsForm 4Gift
- Feb 22, 2022SGISEC Form 4 filed by Montgomery DavidForm 4Grant or award
- Jan 5, 2022SGISEC Form 4: Montgomery David covered exercise/tax liability with 27,758 shares and converted options into 59,057 shares, increasing direct ownership by 3% to 967,667 unitsForm 4Grant or awardShares withheld for taxes or exercise priceExercise or conversion of a derivative
- Jan 3, 2022SGISEC Form 4: Montgomery David converted options into 81,516 shares and covered exercise/tax liability with 38,314 shares, increasing direct ownership by 5% to 936,368 unitsForm 4Grant or awardShares withheld for taxes or exercise priceExercise or conversion of a derivative
- Feb 11, 2021-$1.68MSGISEC Form 4: David Montgomery sold $1,675,000 worth of Common Stock (50,000 units at $33.50), decreasing ownership by 5% to 893,166 unitsForm 4Open-market sale10b5-1 plan
- Jan 25, 2021-$1.48MSGISEC Form 4: David Montgomery sold $1,475,000 worth of Common Stock (50,000 units at $29.50), decreasing ownership by 5% to 943,166 unitsForm 4Open-market sale10b5-1 plan
Compare David Montgomery with
- David Montgomery vs James Tyson Hagale1 shared
- David Montgomery vs Karl G Glassman1 shared
- David Montgomery vs Scott L Thompson1 shared
- David Montgomery vs Steven H Rusing1 shared
- David Montgomery vs Richard W Neu1 shared
- David Montgomery vs Evelyn S Dilsaver1 shared
Other insiders at the same companies
- James Tyson HagaleSGI
- Karl G GlassmanSGI
- Scott L ThompsonSGI
- Steven H RusingSGI
- Richard W NeuSGI
- Evelyn S DilsaverSGI
- Christopher Thomas CookSGI
- Peter R SachseSGI
- Simon DyerSGI
- Bhaskar RaoSGI
- H Clifford Buster IIISGI
- Kindel NunoSGI
- Cathy R. GatesSGI
- Meredith Siegfried MaddenSGI
- Hansbart WijnandSGI
- Thomas A. MurraySGI
Questions about David Montgomery
- What is David Montgomery's role at Somnigroup International Inc.?
- David Montgomery reports to the SEC as EVP Global Business Strategy at Somnigroup International Inc. (SGI), according to the latest filing on March 2, 2026.
- How many shares does David Montgomery own?
- After the latest filing that states it, David Montgomery directly owned 858,570 shares of Somnigroup International Inc. (SGI). Shares held through trusts, funds or family members are reported separately and are not counted here.
- Has David Montgomery bought or sold stock recently?
- The most recent open-market sale was on June 11, 2025: sold 76,008 shares of Somnigroup International Inc. (SGI) for $4.99M at an average of $65.68.
- How do I get alerts when David Montgomery files?
- Follow David Montgomery on Quantisnow and you get an email, and a phone notification on Plus, within minutes of each new Form 4 or Form 5, and of each Form 144 notice of a planned sale.
From SEC Forms 3, 4, 5 and 144 filed by David Montgomery (SEC CIK 0001272798). Totals count each trade once, skipping amendments whose original is on file, from Jan 27, 2021 on. View on SEC EDGAR