John Purpura

CIK 1485555 · View on SEC EDGAR ↗

Insider

First SEC filing: March 1, 2010 · Latest: March 1, 2010

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 20 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

20 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Oct. 13, 2023 DCTH P 14,505 $3.44 $49,897 41,526 Direct +53.68% Acquired 385.0% (price as of 2026-08-21)
May 16, 2022 DCTH P 3,300 $4.61 $15,213 27,021 Direct +13.91% Acquired 261.9% (price as of 2026-08-21)
April 11, 2022 DCTH P 5,000 $6.59 $32,950 23,721 Direct +26.71% Acquired 153.2% (price as of 2026-08-21)
May 13, 2021 DCTH P 4,000 $9.42 $37,680 18,713 Direct +27.19% Acquired 77.1% (price as of 2026-08-21)
Nov. 19, 2020 DCTH P 1,600 $12.68 $20,288 14,721 Direct +12.19% Acquired 31.6% (price as of 2026-08-21)
Nov. 19, 2020 DCTH P 1,600 $12.68 $20,288 14,713 Direct +12.20% Acquired 31.6% (price as of 2026-08-21)
July 15, 2019 DCTH P 1,083,333 — — 1,083,333 Direct — Acquired (price as of 2026-08-21)
July 15, 2019 DCTH P 65 $1000.00 $65,000 65 Direct — Acquired -100.0% (price as of 2026-08-21)
Sept. 28, 2018 DCTH P 5,500 $1.75 $9,625 5,501 Direct +550000.00% Acquired -98.6% (price as of 2026-08-21)
June 1, 2012 DCTH P 5,000 $1.49 $7,450 20,000 Direct +33.33% Acquired -98.4% (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.

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 12, 2023 DCTH Stock Option (Right to Buy) Common Stock (59,813) $7.25 June 12, 2033 59,813 Acquired
Feb. 8, 2023 DCTH Stock Option (Right to Buy) Common Stock (56,160) $4.67 Feb. 8, 2033 56,160 Acquired
Feb. 8, 2022 DCTH Employee Stock Option (right to buy) Common Stock (46,198) $7.14 Feb. 8, 2032 46,198 Acquired
Aug. 5, 2021 DCTH Employee Stock Option (right to buy) Common Stock (45,000) $10.16 Aug. 5, 2031 45,000 Acquired
Nov. 23, 2020 DCTH Employee Stock Option (right to buy) Common Stock (175,000) $11.67 Oct. 1, 2030 175,000 Acquired
May 8, 2020 DCTH Series E Convertible Preferred Stock Common Stock — — 65 Disposed
July 15, 2019 DCTH Common Stock Warrant (Right to Buy) Common Stock (1,083,333) — — 1,083,333 Acquired
July 15, 2019 DCTH Series E Convertible Preferred Stock Common Stock — — 65 Acquired
Feb. 1, 2019 DCTH Stock Options Common Stock (250,000) $0.28 Feb. 1, 2029 250,000 Acquired
June 10, 2015 DCTH Stock Option (Right to Buy) Common Stock (47,500) $1.19 June 10, 2025 47,500 Acquired
Nov. 14, 2013 DCTH Stock Option (right to buy) Common Stock (113,619) $0.30 Nov. 14, 2023 113,619 Acquired
March 11, 2013 DCTH Stock Option (right to buy) Common Stock (40,000) $2.13 March 11, 2023 40,000 Acquired
Feb. 28, 2012 DCTH Stock Option (right to buy) Common Stock (40,000) $4.60 Feb. 28, 2022 40,000 Acquired
March 10, 2011 DCTH Stock Option (right to buy) Common Stock (28,000) $6.42 March 10, 2021 28,000 Acquired

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

Initial ownership (Form 3) 1 holding

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

Date Ticker Security Shares Ownership
March 1, 2010 DCTH stock options (right to buy)→ common stock (150,000) 150,000 Direct