Sadie Stern

CIK 1797971 · View on SEC EDGAR ↗

Insider

First SEC filing: Jan. 9, 2020 · Latest: Jan. 9, 2020

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Insider at

Insider transactions

0 buys (P) 1 sells (S) Net: $-117,280 + 28 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

28 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Sept. 4, 2025 DXCM S 10b5-1 1,466 $80.00 $117,280 105,223 Direct -1.37% Disposed 11.8% (price as of 2026-08-21)
July 28, 2025 DXCM S 10b5-1 1,466 $88.99 $130,459 106,689 Direct -1.36% Disposed 0.5% (price as of 2026-08-21)
June 26, 2025 DXCM S 10b5-1 1,466 $85.06 $124,698 108,155 Direct -1.34% Disposed 5.1% (price as of 2026-08-21)
May 27, 2025 DXCM S 10b5-1 6,184 $85.11 $526,320 109,621 Direct -5.34% Disposed 5.1% (price as of 2026-08-21)
March 12, 2025 DXCM S 11,176 $70.38 $786,567 115,805 Direct -8.80% Disposed 27.1% (price as of 2026-08-21)
Jan. 29, 2025 DXCM S 2,093 $86.91 $181,903 74,261 Direct -2.74% Disposed 2.9% (price as of 2026-08-21)
Dec. 16, 2024 DXCM S 424 $76.87 $32,593 70,768 Direct -0.60% Disposed 16.4% (price as of 2026-08-21)
Nov. 20, 2024 DXCM S 4,259 $74.73 $318,275 71,192 Direct -5.64% Disposed 19.7% (price as of 2026-08-21)
Sept. 9, 2024 DXCM S 426 $69.15 $29,458 75,451 Direct -0.56% Disposed 29.3% (price as of 2026-08-21)
June 10, 2024 DXCM S 427 $115.05 $49,126 75,877 Direct -0.56% Disposed -22.3% (price as of 2026-08-21)
March 25, 2024 DXCM S 10b5-1 4,137 $140.00 $579,180 76,304 Direct -5.14% Disposed -36.1% (price as of 2026-08-21)
March 12, 2024 DXCM S 10b5-1 75 $132.71 $9,953 80,441 Direct -0.09% Disposed -32.6% (price as of 2026-08-21)
March 12, 2024 DXCM S 10b5-1 302 $131.51 $39,716 80,516 Direct -0.37% Disposed -32.0% (price as of 2026-08-21)
March 12, 2024 DXCM S 10b5-1 3,297 $133.43 $439,919 80,818 Direct -3.92% Disposed -33.0% (price as of 2026-08-21)
March 12, 2024 DXCM S 10b5-1 2,577 $132.46 $341,349 84,115 Direct -2.97% Disposed -32.5% (price as of 2026-08-21)
March 12, 2024 DXCM S 10b5-1 2,437 $131.50 $320,466 86,692 Direct -2.73% Disposed -32.0% (price as of 2026-08-21)
March 12, 2024 DXCM S 10b5-1 11,633 $134.41 $1,563,592 89,129 Direct -11.55% Disposed -33.5% (price as of 2026-08-21)
Jan. 16, 2024 DXCM S 2,902 $123.63 $358,774 79,051 Direct -3.54% Disposed -27.7% (price as of 2026-08-21)
Dec. 11, 2023 DXCM S 10b5-1 392 $117.66 $46,123 76,008 Direct -0.51% Disposed -24.0% (price as of 2026-08-21)
Nov. 22, 2023 DXCM S 10b5-1 1,176 $110.00 $129,360 76,400 Direct -1.52% Disposed -18.7% (price as of 2026-08-21)
Aug. 9, 2023 DXCM S 10b5-1 392 $110.71 $43,398 81,682 Direct -0.48% Disposed -19.2% (price as of 2026-08-21)
July 10, 2023 DXCM S 10b5-1 392 $128.05 $50,196 82,074 Direct -0.48% Disposed -30.2% (price as of 2026-08-21)
June 9, 2023 DXCM S 10b5-1 393 $121.31 $47,675 82,466 Direct -0.47% Disposed -26.3% (price as of 2026-08-21)
May 9, 2023 DXCM S 10b5-1 393 $120.19 $47,235 82,859 Direct -0.47% Disposed -25.6% (price as of 2026-08-21)
April 10, 2023 DXCM S 10b5-1 393 $112.35 $44,154 83,252 Direct -0.47% Disposed -20.4% (price as of 2026-08-21)
March 14, 2023 DXCM S 10b5-1 393 $111.86 $43,961 83,645 Direct -0.47% Disposed -20.0% (price as of 2026-08-21)
Nov. 23, 2021 DXCM S 10b5-1 1,195 $612.26 $731,651 11,790 Direct -9.20% Disposed -41.6% (price as of 2026-08-21)
Nov. 22, 2021 DXCM S 10b5-1 856 $638.65 $546,684 12,985 Direct -6.18% Disposed -44.0% (price as of 2026-08-21)
March 4, 2020 DDD S 3,178 $9.58 $30,445 97,052 Direct -3.17% Disposed -66.9% (price as of 2026-08-21)

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.

Initial ownership (Form 3) 4 holdings

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

Date Ticker Security Shares Ownership
Jan. 9, 2020 DDD Common Stock 9,480 Direct
Jan. 9, 2020 DDD Common Stock 71,174 Direct
Jan. 9, 2020 DDD Performance Based Restricted Stock→ Common Stock Direct
Jan. 9, 2020 DDD Performance Based Restricted Stock→ Common Stock Direct