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CIK 1050944 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 12, 2014 · Latest: Feb. 12, 2014

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 33 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

33 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Dec. 10, 2012 IMNN P 14,000 $7.60 $106,400 380,385 Direct +3.82% Acquired -100.0% (price as of 2026-08-19)
July 25, 2011 IMNN P 18,735 $4.27 $79,998 70,360 Direct +36.29% Acquired -100.0% (price as of 2026-08-19)
July 25, 2011 IMNN P 46,838 $4.27 $199,998 243,942 Direct +23.76% Acquired -100.0% (price as of 2026-08-19)
May 26, 2011 IMNN P 34,542 $0.12 $4,145 51,625 Direct +202.20% Acquired -99.9% (price as of 2026-08-19)
May 26, 2011 IMNN P 34,542 $2.77 $95,681 197,104 Direct +21.25% Acquired -100.0% (price as of 2026-08-19)
Jan. 14, 2011 IMNN P 17,083 — — 17,083 Direct — Acquired (price as of 2026-08-19)
Jan. 14, 2011 IMNN P 41 $1197.80 $49,110 41 Direct — Acquired -100.0% (price as of 2026-08-19)
Dec. 22, 2009 IMNN P 10,000 $3.00 $30,000 162,562 Direct +6.55% Acquired -100.0% (price as of 2026-08-19)
Aug. 10, 2009 IMNN P 15,000 $3.71 $55,650 152,562 Direct +10.90% Acquired -100.0% (price as of 2026-08-19)
May 13, 2009 IMNN P 15,000 $3.90 $58,500 137,562 Direct +12.24% Acquired -100.0% (price as of 2026-08-19)
Nov. 19, 2008 IMNN P 2,100 $2.70 $5,670 122,562 Direct +1.74% Acquired -100.0% (price as of 2026-08-19)
Nov. 17, 2008 IMNN P 7,000 $2.76 $19,320 120,462 Direct +6.17% Acquired -100.0% (price as of 2026-08-19)
Nov. 17, 2008 IMNN P 100 $2.60 $260 113,462 Direct +0.09% Acquired -100.0% (price as of 2026-08-19)
May 18, 2007 IMNN P 10,000 $4.84 $48,400 113,362 Direct +9.67% Acquired -100.0% (price as of 2026-08-19)
March 22, 2007 IMNN P 35,000 — — 64,912 Direct +117.01% Acquired (price as of 2026-08-19)
Feb. 27, 2007 IMNN P 10,000 $3.49 $34,900 97,466 Direct +11.43% Acquired -100.0% (price as of 2026-08-19)
Feb. 26, 2007 IMNN P 10,000 $3.50 $35,000 87,466 Direct +12.91% Acquired -100.0% (price as of 2026-08-19)
March 17, 2006 IMNN P 10,000 $4.03 $40,300 70,800 Direct +16.45% Acquired -100.0% (price as of 2026-08-19)
March 15, 2006 IMNN P 8,578 — — 29,912 Direct +40.21% Acquired (price as of 2026-08-19)
May 24, 2005 IMNN P 55,700 $0.41 $22,837 720,095 Direct +8.38% Acquired -100.0% (price as of 2026-08-19)
May 23, 2005 IMNN P 44,300 $0.40 $17,720 664,395 Direct +7.14% Acquired -100.0% (price as of 2026-08-19)
Dec. 22, 2003 IMNN P 22,938 $1.09 $25,002 521,411 Direct +4.60% Acquired -100.0% (price as of 2026-08-19)

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
Feb. 19, 2014 SINT Series F Preferred Stock Common Stock — — 125,000 Disposed
Feb. 19, 2014 SINT Series E Preferred Stock Common Stock — — 25,000 Disposed
Feb. 19, 2014 SINT Series D Preferred Stock Common Stock — — 35,000 Disposed
Feb. 19, 2014 SINT Series C Preferred Stock Common Stock — — 100,000 Disposed
Feb. 19, 2014 SINT Series A-1 Preferred Stock Common Stock — — 333,334 Disposed
Feb. 11, 2014 IMNN Option to Purchase Celsion Corporation Common Stock Celsion Corporation Common Stock (14,000) — Feb. 11, 2024 14,000 Acquired
May 6, 2013 IMNN Option to Purchase Celsion Corporation Common Stock Celsion Corporation Common Stock (45,000) — May 6, 2023 45,000 Acquired
Sept. 20, 2012 IMNN Warrants to purchase Celsion Corporation Common Stock Celsion Corporation Common Stock $4.22 July 25, 2016 18,735 Disposed
Sept. 20, 2012 IMNN Warrants to purchase Celsion Corporation Common Stock Celsion Corporation Common Stock $2.77 May 26, 2017 34,542 Disposed
Sept. 20, 2012 IMNN Warrants to purchase Celsion Corporation Common Stock Celsion Corporation Common Stock $3.25 June 20, 2016 17,083 Disposed
Sept. 20, 2012 IMNN Option to purchase Celsion Corporation Common Stock Celsion Corporation Common Stock $2.72 Jan. 19, 2019 35,000 Disposed
Feb. 22, 2012 IMNN Option to purchase Celsion Corporation Common Stock Celsion Corporation Common Stock (35,000) $2.06 Feb. 22, 2022 35,000 Acquired
Aug. 9, 2011 IMNN Series A 8% Redeemable Convertible Preferred Stock Celsion Corporation Common Stock (17,083) $2.40 Jan. 14, 2013 41 Acquired
July 25, 2011 IMNN Warrant to Purchase Common Stock Celsion Corporation Common Stock (18,735) $4.22 July 25, 2016 18,735 Acquired
May 26, 2011 IMNN Warrants to purchase Common Stock [F1] Celsion Corporation Common Stock (34,542) $2.77 May 26, 2017 34,542 Acquired
Feb. 25, 2011 IMNN Option to purchase common stock Celsion Corporation Common Stock (50,000) $2.49 Feb. 25, 2021 50,000 Acquired
Jan. 14, 2011 IMNN Warrants to Purchase Common Stock [F2] Celsion Corporation Common Stock (17,083) — July 14, 2016 17,083 Acquired
Jan. 14, 2011 IMNN Series A Redeemable Convertible Preferred Stock [F2] Celsion Corporation Common Stock (17,083) — Jan. 14, 2013 41 Acquired
Feb. 19, 2010 IMNN Common Stock Option Common Stock (35,000) $2.94 Feb. 19, 2020 35,000 Acquired
Jan. 19, 2009 IMNN Common Stock Options Common Stock Options (11,666) $2.72 Jan. 19, 2019 11,666 Acquired
Jan. 19, 2009 IMNN Common Stock Options Common Stock Options (11,667) $2.72 Jan. 19, 2019 11,667 Acquired
Jan. 19, 2009 IMNN Common Stock Options Common Stock Options (11,667) $2.72 Oct. 19, 2019 11,667 Acquired
March 15, 2008 IMNN Common Stock Options Common Stock (11,666) $5.47 March 15, 2018 11,666 Acquired
March 15, 2008 IMNN Common Stock Options Common Stock (11,667) $5.47 March 15, 2018 11,667 Acquired
March 15, 2008 IMNN Common Stock Options Common Stock (11,667) $5.47 March 15, 2018 11,667 Acquired
March 22, 2007 IMNN Stock Options Common Stock (35,000) $4.16 March 22, 2017 35,000 Acquired
March 15, 2006 IMNN Stock Options Common Stock (8,578) $4.08 March 15, 2016 8,578 Acquired
Feb. 22, 2005 IMNN Stock Options common stock (70,000) $0.57 Feb. 22, 2015 70,000 Acquired

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

Initial ownership (Form 3) 8 holdings

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

Date Ticker Security Shares Ownership
Feb. 12, 2014 SINT Common Stock 12,802 Direct
Feb. 12, 2014 SINT Warrant to Purchase Shares of Common Stock→ Common Stock — Direct
Feb. 12, 2014 SINT Series A-1 Preferred Stock→ Common Stock — Direct
Feb. 12, 2014 SINT Series C Preferred Stock→ Common Stock — Direct
Feb. 12, 2014 SINT Series D Preferred Stock→ Common Stock — Direct
Feb. 12, 2014 SINT Series E Preferred Stock→ Common Stock — Direct
Feb. 12, 2014 SINT Series F Preferred Stock→ Common Stock — Direct
Feb. 12, 2014 SINT Stock Options (right to buy)→ Common Stock — Direct