Satter Muneer A
CIK 1315797 · View on SEC EDGAR ↗
Activist
First SEC filing: Nov. 21, 2025 · Latest: Nov. 21, 2025
On this page
Insider at
Insider transactions
6 buys (P)
0 sells (S)
Net:
$11,974,803
+ 21 non-open-market transactions below
Avg return of open purchases vs now:
37.1%
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
21 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 28, 2026 | ANNX | P | 613,497 | $5.41 | $3,319,019 | 10,342,134 Indirect | +6.31% | Acquired | -1.6% (price as of 2026-08-20) |
| Nov. 21, 2025 | ANNX | P | 422,613 | $4.28 | $1,808,784 | 9,728,637 Indirect | +4.54% | Acquired | 24.4% (price as of 2026-08-20) |
| Nov. 20, 2025 | ANNX | P | 400,000 | $4.48 | $1,792,000 | 9,306,024 Indirect | +4.49% | Acquired | 18.9% (price as of 2026-08-20) |
| Nov. 19, 2025 | ANNX | P | 500,000 | $3.94 | $1,970,000 | 8,906,024 Indirect | +5.95% | Acquired | 35.2% (price as of 2026-08-20) |
| Nov. 18, 2025 | ANNX | P | 500,000 | $3.18 | $1,590,000 | 8,406,024 Indirect | +6.32% | Acquired | 67.5% (price as of 2026-08-20) |
| Nov. 17, 2025 | ANNX | P | 500,000 | $2.99 | $1,495,000 | 7,906,024 Indirect | +6.75% | Acquired | 78.1% (price as of 2026-08-20) |
| Dec. 26, 2023 | ANNX | P | 350,000 | $2.88 | $1,008,000 | 7,406,024 Indirect | +4.96% | Acquired | 84.9% (price as of 2026-08-20) |
| Jan. 8, 2021 | RNTX | P | 9,000,000 | $1.10 | $9,900,000 | 16,609,449 Indirect | +118.27% | Acquired | -96.1% (price as of 2026-08-20) |
| June 8, 2020 | RNTX | P | 3,700,000 | $1.10 | $4,070,000 | 7,609,449 Indirect | +94.64% | Acquired | -96.1% (price as of 2026-08-20) |
| Jan. 10, 2019 | WHWK | P | 23,818 | $2.45 | $58,354 | 5,621,835 Indirect | +0.43% | Acquired | -86.9% (price as of 2026-08-20) |
| Jan. 9, 2019 | WHWK | P | 20,000 | $2.39 | $47,800 | 5,598,017 Indirect | +0.36% | Acquired | -86.6% (price as of 2026-08-20) |
| Jan. 8, 2019 | WHWK | P | 20,000 | $2.20 | $44,000 | 5,578,017 Indirect | +0.36% | Acquired | -85.4% (price as of 2026-08-20) |
| Jan. 7, 2019 | WHWK | P | 20,000 | $2.18 | $43,600 | 5,558,017 Indirect | +0.36% | Acquired | -85.3% (price as of 2026-08-20) |
| Jan. 4, 2019 | WHWK | P | 20,000 | $2.12 | $42,400 | 5,538,017 Indirect | +0.36% | Acquired | -84.8% (price as of 2026-08-20) |
| Jan. 3, 2019 | WHWK | P | 20,000 | $2.08 | $41,600 | 5,518,017 Indirect | +0.36% | Acquired | -84.6% (price as of 2026-08-20) |
| Jan. 2, 2019 | WHWK | P | 20,000 | $1.94 | $38,800 | 5,498,017 Indirect | +0.37% | Acquired | -83.4% (price as of 2026-08-20) |
| Dec. 31, 2018 | WHWK | P | 20,000 | $1.74 | $34,800 | 5,478,017 Indirect | +0.37% | Acquired | -81.5% (price as of 2026-08-20) |
| Dec. 28, 2018 | WHWK | P | 20,000 | $1.72 | $34,400 | 5,458,017 Indirect | +0.37% | Acquired | -81.3% (price as of 2026-08-20) |
| Dec. 27, 2018 | WHWK | P | 20,000 | $1.67 | $33,400 | 5,438,017 Indirect | +0.37% | Acquired | -80.8% (price as of 2026-08-20) |
| Dec. 26, 2018 | WHWK | P | 20,000 | $1.69 | $33,800 | 5,418,017 Indirect | +0.37% | Acquired | -81.0% (price as of 2026-08-20) |
| Dec. 21, 2018 | WHWK | P | 20,000 | $1.84 | $36,800 | 5,398,017 Indirect | +0.37% | Acquired | -82.5% (price as of 2026-08-20) |
| Dec. 20, 2018 | WHWK | P | 20,000 | $1.85 | $37,000 | 5,378,017 Indirect | +0.37% | Acquired | -82.6% (price as of 2026-08-20) |
| Dec. 19, 2018 | WHWK | P | 20,000 | $1.92 | $38,400 | 5,358,017 Indirect | +0.37% | Acquired | -83.3% (price as of 2026-08-20) |
| Dec. 18, 2018 | WHWK | P | 20,000 | $1.99 | $39,800 | 5,338,017 Indirect | +0.38% | Acquired | -83.9% (price as of 2026-08-20) |
| Dec. 14, 2018 | WHWK | P | 20,000 | $2.00 | $40,000 | 5,318,017 Indirect | +0.38% | Acquired | -83.9% (price as of 2026-08-20) |
| Dec. 13, 2018 | WHWK | P | 20,000 | $2.02 | $40,400 | 5,298,017 Indirect | +0.38% | Acquired | -84.1% (price as of 2026-08-20) |
| Dec. 12, 2018 | WHWK | P | 20,000 | $2.05 | $41,000 | 5,278,017 Indirect | +0.38% | Acquired | -84.3% (price as of 2026-08-20) |
| Dec. 11, 2018 | WHWK | P | 20,000 | $2.09 | $41,800 | 5,258,017 Indirect | +0.38% | Acquired | -84.6% (price as of 2026-08-20) |
| Dec. 10, 2018 | WHWK | P | 20,000 | $2.13 | $42,600 | 5,238,017 Indirect | +0.38% | Acquired | -84.9% (price as of 2026-08-20) |
| Dec. 7, 2018 | WHWK | P | 20,000 | $2.14 | $42,800 | 5,218,017 Indirect | +0.38% | Acquired | -85.0% (price as of 2026-08-20) |
| Dec. 6, 2018 | WHWK | P | 20,000 | $2.18 | $43,600 | 5,198,017 Indirect | +0.39% | Acquired | -85.3% (price as of 2026-08-20) |
| Dec. 4, 2018 | WHWK | P | 20,000 | $2.10 | $42,000 | 5,178,017 Indirect | +0.39% | Acquired | -84.7% (price as of 2026-08-20) |
| Dec. 3, 2018 | WHWK | P | 20,000 | $1.99 | $39,800 | 5,158,017 Indirect | +0.39% | Acquired | -83.9% (price as of 2026-08-20) |
| Nov. 30, 2018 | WHWK | P | 20,000 | $1.98 | $39,600 | 5,138,017 Indirect | +0.39% | Acquired | -83.8% (price as of 2026-08-20) |
| Nov. 29, 2018 | WHWK | P | 20,000 | $2.01 | $40,200 | 5,118,017 Indirect | +0.39% | Acquired | -84.0% (price as of 2026-08-20) |
| Nov. 28, 2018 | WHWK | P | 20,000 | $1.94 | $38,800 | 5,098,017 Indirect | +0.39% | Acquired | -83.4% (price as of 2026-08-20) |
| Sept. 17, 2018 | IMUX | S | 7,044,777 | $0.29 | $2,042,985 | 0 Indirect | -100.00% | Disposed | -85.7% (price as of 2026-08-20) |
| Sept. 14, 2018 | IMUX | S | 447,500 | $0.36 | $161,100 | 7,044,777 Indirect | -5.97% | Disposed | -88.5% (price as of 2026-08-20) |
| Sept. 13, 2018 | IMUX | S | 3,890,000 | $0.50 | $1,945,000 | 7,492,277 Indirect | -34.18% | Disposed | -91.7% (price as of 2026-08-20) |
| June 28, 2018 | WHWK | P | 1,818,182 | $3.85 | $7,000,001 | 5,078,017 Indirect | +55.78% | Acquired | -91.7% (price as of 2026-08-20) |
| Dec. 13, 2017 | IMUX | P | 50,000 | $5.57 | $278,500 | 11,382,277 Indirect | +0.44% | Acquired | -99.3% (price as of 2026-08-20) |
| Dec. 12, 2017 | IMUX | P | 50,000 | $5.40 | $270,000 | 11,332,277 Indirect | +0.44% | Acquired | -99.2% (price as of 2026-08-20) |
| Dec. 11, 2017 | IMUX | P | 50,000 | $4.96 | $248,000 | 11,282,277 Indirect | +0.45% | Acquired | -99.2% (price as of 2026-08-20) |
| Dec. 8, 2017 | IMUX | P | 50,000 | $4.92 | $246,000 | 11,232,277 Indirect | +0.45% | Acquired | -99.2% (price as of 2026-08-20) |
| Dec. 7, 2017 | IMUX | P | 50,000 | $4.77 | $238,500 | 11,182,277 Indirect | +0.45% | Acquired | -99.1% (price as of 2026-08-20) |
| Sept. 14, 2017 | IMUX | P | 30,000 | $4.25 | $127,500 | 11,132,277 Indirect | +0.27% | Acquired | -99.0% (price as of 2026-08-20) |
| Sept. 13, 2017 | IMUX | P | 50,000 | $4.13 | $206,500 | 11,102,277 Indirect | +0.45% | Acquired | -99.0% (price as of 2026-08-20) |
| Sept. 12, 2017 | IMUX | P | 50,000 | $3.74 | $187,000 | 11,052,277 Indirect | +0.45% | Acquired | -98.9% (price as of 2026-08-20) |
| Sept. 8, 2017 | IMUX | P | 50,000 | $3.53 | $176,500 | 11,002,277 Indirect | +0.46% | Acquired | -98.8% (price as of 2026-08-20) |
| July 5, 2017 | AKBA | P | 1,034,482 | $14.50 | $14,999,989 | 3,037,042 Indirect | +51.66% | Acquired | -93.7% (price as of 2026-08-20) |
| July 5, 2017 | RNTX | P | 33,333 | $15.00 | $499,995 | 178,106 Indirect | +23.02% | Acquired | -99.7% (price as of 2026-08-20) |
| June 14, 2017 | IMUX | P | 10,000 | $3.10 | $31,000 | 10,952,277 Indirect | +0.09% | Acquired | -98.7% (price as of 2026-08-20) |
| June 13, 2017 | IMUX | P | 10,000 | $3.03 | $30,300 | 10,942,277 Indirect | +0.09% | Acquired | -98.6% (price as of 2026-08-20) |
| June 12, 2017 | IMUX | P | 10,000 | $3.06 | $30,600 | 10,932,277 Indirect | +0.09% | Acquired | -98.6% (price as of 2026-08-20) |
| June 9, 2017 | IMUX | P | 10,000 | $3.17 | $31,700 | 10,922,277 Indirect | +0.09% | Acquired | -98.7% (price as of 2026-08-20) |
| June 8, 2017 | IMUX | P | 10,000 | $3.10 | $31,000 | 10,912,277 Indirect | +0.09% | Acquired | -98.7% (price as of 2026-08-20) |
| June 7, 2017 | IMUX | P | 10,000 | $3.21 | $32,100 | 10,902,277 Indirect | +0.09% | Acquired | -98.7% (price as of 2026-08-20) |
| June 6, 2017 | IMUX | P | 10,000 | $3.19 | $31,900 | 10,892,277 Indirect | +0.09% | Acquired | -98.7% (price as of 2026-08-20) |
| March 27, 2017 | IMUX | P | 3,750,000 | $4.00 | $15,000,000 | 10,882,277 Indirect | +52.58% | Acquired | -99.0% (price as of 2026-08-20) |
| March 15, 2017 | WHWK | P | 1,120,000 | $5.00 | $5,600,000 | 3,241,835 Indirect | +52.78% | Acquired | -93.6% (price as of 2026-08-20) |
| April 22, 2015 | AKBA | P | 420,000 | $8.25 | $3,465,000 | 2,002,560 Indirect | +26.54% | Acquired | -88.9% (price as of 2026-08-20) |
| Nov. 25, 2014 | AKBA | P | 5,000 | $13.18 | $65,900 | 1,582,560 Indirect | +0.32% | Acquired | -93.1% (price as of 2026-08-20) |
| Nov. 24, 2014 | AKBA | P | 5,000 | $13.88 | $69,400 | 1,577,560 Indirect | +0.32% | Acquired | -93.4% (price as of 2026-08-20) |
| Nov. 21, 2014 | AKBA | P | 5,000 | $14.73 | $73,650 | 1,572,560 Indirect | +0.32% | Acquired | -93.8% (price as of 2026-08-20) |
| Nov. 20, 2014 | AKBA | P | 5,000 | $14.70 | $73,500 | 1,567,560 Indirect | +0.32% | Acquired | -93.8% (price as of 2026-08-20) |
| Nov. 19, 2014 | AKBA | P | 5,000 | $14.85 | $74,250 | 1,562,560 Indirect | +0.32% | Acquired | -93.9% (price as of 2026-08-20) |
| Nov. 18, 2014 | AKBA | P | 5,000 | $13.84 | $69,200 | 1,557,560 Indirect | +0.32% | Acquired | -93.4% (price as of 2026-08-20) |
| Nov. 17, 2014 | AKBA | P | 5,000 | $12.94 | $64,700 | 1,552,560 Indirect | +0.32% | Acquired | -93.0% (price as of 2026-08-20) |
| Nov. 14, 2014 | AKBA | P | 5,000 | $11.91 | $59,550 | 1,547,560 Indirect | +0.32% | Acquired | -92.3% (price as of 2026-08-20) |
| Nov. 13, 2014 | AKBA | P | 5,000 | $11.56 | $57,800 | 1,542,560 Indirect | +0.33% | Acquired | -92.1% (price as of 2026-08-20) |
| Nov. 12, 2014 | AKBA | P | 3,900 | $12.20 | $47,580 | 1,537,560 Indirect | +0.25% | Acquired | -92.5% (price as of 2026-08-20) |
| Nov. 12, 2014 | AKBA | P | 1,100 | $10.85 | $11,935 | 1,533,660 Indirect | +0.07% | Acquired | -91.6% (price as of 2026-08-20) |
| Oct. 8, 2014 | IMUX | P | 74,286 | $17.50 | $1,300,005 | 6,732,277 Indirect | +1.12% | Acquired | -99.8% (price as of 2026-08-20) |
| Sept. 22, 2014 | ELDN | P | 150,000 | $15.00 | $2,250,000 | 1,771,688 Indirect | +9.25% | Acquired | -99.9% (price as of 2026-08-20) |
| June 3, 2014 | IMUX | P | 6,261 | $14.03 | $87,842 | 6,657,985 Indirect | +0.09% | Acquired | -99.7% (price as of 2026-08-20) |
| June 3, 2014 | IMUX | P | 339 | $13.61 | $4,614 | 6,651,724 Indirect | +0.01% | Acquired | -99.7% (price as of 2026-08-20) |
| June 2, 2014 | IMUX | P | 7,900 | $12.45 | $98,355 | 6,651,385 Indirect | +0.12% | Acquired | -99.7% (price as of 2026-08-20) |
| April 23, 2014 | IMUX | P | 360,966 | $12.00 | $4,331,592 | 6,643,485 Indirect | +5.75% | Acquired | -99.7% (price as of 2026-08-20) |
| March 25, 2014 | AKBA | P | 91,295 | $17.00 | $1,552,015 | 1,532,560 Indirect | +6.33% | Acquired | -94.6% (price as of 2026-08-20) |
Showing latest 100 of 101 transactions
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 11, 2026 | ANNX | Stock Option (Right to Buy) | Common Stock (65,000) | $4.70 | June 11, 2036 | 65,000 | Acquired |
| June 18, 2019 | WHWK | Stock Option (Right to Buy) | Common Stock (21,400) | $0.96 | June 18, 2029 | 21,400 | Acquired |
| June 20, 2018 | WHWK | Stock Option (Right to Buy) | Common Stock (21,400) | $4.00 | June 20, 2028 | 21,400 | Acquired |
| May 23, 2018 | IMUX | Stock Option (right to buy) | Common Stock (29,538) | $6.10 | May 22, 2028 | 29,538 | Acquired |
| July 5, 2017 | RNTX | Series D Preferred Stock | Common Stock (85,309) | — | — | 847,721 | Disposed |
| July 5, 2017 | RNTX | Series E-2 Preferred Stock | Common Stock (18,511) | — | — | 183,944 | Disposed |
| July 5, 2017 | RNTX | Series E-3 Preferred Stock | Common Stock (16,055) | — | — | 159,548 | Disposed |
| July 5, 2017 | RNTX | Series F Preferred Stock | Common Stock (24,896) | — | — | 247,398 | Disposed |
| May 23, 2017 | IMUX | Stock Option (right to buy) | Common Stock (63,031) | $3.20 | May 22, 2027 | 63,031 | Acquired |
| June 10, 2015 | AKBA | Stock Option (Right to Buy) | Common Stock (5,000) | $7.86 | June 10, 2025 | 5,000 | Acquired |
| Sept. 22, 2014 | ELDN | Series E Preferred Stock | Common Stock (765,328) | — | — | 8,013,003 | Disposed |
| Sept. 22, 2014 | ELDN | Series D-3 Preferred Stock | Common Stock (375,464) | — | — | 3,931,085 | Disposed |
| Sept. 22, 2014 | ELDN | Series D-2 Preferred Stock | Common Stock (43,716) | — | — | 457,728 | Disposed |
| Sept. 22, 2014 | ELDN | Series D-1 Preferred Stock | Common Stock (437,180) | — | — | 4,577,315 | Disposed |
| April 23, 2014 | IMUX | Senior Convertible Preferred Stock | Common Stock (3,550,638) | — | — | 3,550,638 | Disposed |
| April 23, 2014 | IMUX | Convertible Preferred Stock | Common Stock (2,589,764) | — | — | 2,589,764 | Disposed |
| March 25, 2014 | AKBA | Series B Convertible Preferred Stock | Common Stock (456,528) | — | — | 260,873 | Disposed |
| March 25, 2014 | AKBA | Series C Convertible Preferred Stock | Common Stock (984,737) | — | — | 525,021 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 25 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 23, 2020 | ANNX | Series A-1 Preferred Stock→ Common Stock | — | Indirect |
| July 23, 2020 | ANNX | Series B Preferred Stock→ Common Stock | — | Indirect |
| July 23, 2020 | ANNX | Series C Preferred Stock→ Common Stock | — | Indirect |
| July 23, 2020 | ANNX | Series D Preferred Stock→ Common Stock | — | Indirect |
| April 3, 2019 | RNTX | Common Stock [F1] | 3,909,449 | Indirect |
| April 3, 2019 | RNTX | Warrants (right to buy) [F1]→ Common Stock (3,731,343) | 3,731,343 | Indirect |
| June 28, 2017 | RNTX | Series D Preferred Stock→ Common Stock (85,309) | 85,309 | Indirect |
| June 28, 2017 | RNTX | Series E-2 Preferred Stock→ Common Stock (18,511) | 18,511 | Indirect |
| June 28, 2017 | RNTX | Series E-3 Preferred Stock→ Common Stock (16,055) | 16,055 | Indirect |
| June 28, 2017 | RNTX | Series F Preferred Stock→ Common Stock (24,896) | 24,896 | Indirect |
| March 17, 2017 | WHWK | Common Stock | 2,121,835 | Indirect |
| Sept. 16, 2014 | ELDN | Series D-1 Preferred Stock→ Common Stock (437,180) | 437,180 | Indirect |
| Sept. 16, 2014 | ELDN | Series D-2 Preferred Stock→ Common Stock (43,716) | 43,716 | Indirect |
| Sept. 16, 2014 | ELDN | Series D-3 Preferred Stock→ Common Stock (375,464) | 375,464 | Indirect |
| Sept. 16, 2014 | ELDN | Series E Preferred Stock→ Common Stock (765,328) | 765,328 | Indirect |
| Aug. 29, 2014 | IMUX | Common Stock Warrant (right to buy)→ Common Stock (4,477) | 4,477 | Indirect |
| Aug. 29, 2014 | IMUX | Common Stock Warrant (right to buy)→ Common Stock (122,172) | 122,172 | Indirect |
| April 16, 2014 | IMUX | Common Stock | 142,117 | Indirect |
| April 16, 2014 | IMUX | Convertible Preferred Stock→ Common Stock (2,589,764) | 2,589,764 | Indirect |
| April 16, 2014 | IMUX | Senior Convertible Preferred Stock→ Common Stock (3,550,638) | 3,550,638 | Indirect |
| April 16, 2014 | IMUX | Common Stock Warrant (right to buy)→ Common Stock (1,153) | 1,153 | Indirect |
| April 16, 2014 | IMUX | Common Stock Warrant (right to buy)→ Common Stock (4,654) | 4,654 | Indirect |
| April 16, 2014 | IMUX | Common Stock Warrant (right to buy)→ Common Stock (120,841) | 120,841 | Indirect |
| March 19, 2014 | AKBA | Series B Convertible Preferred Stock→ Common Stock (456,528) | 456,528 | Indirect |
| March 19, 2014 | AKBA | Series C Convertible Preferred Stock→ Common Stock (984,737) | 984,737 | Indirect |