Widmar Mark R

Director · Officer · ALB, FSLR

As of 2026-09-16, Widmar Mark R has 107 Form 4 transactions on record across 2 companies — 61 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market sales filed in March in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $15.8MIndirect: $0$15.8Mas of 2026-09-16
  • Direct $15.8M
  • Indirect $0
FSLRdirect81,861 sh$15.6M
ALBdirect1,576 sh$173K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

FSLR · 105 trades
2026-05-26: Sale, 1,237 sh ($330K)2026-05-26: Sale, 1,009 sh ($271K)2026-05-26: Sale, 726 sh ($197K)2026-05-26: Sale, 632 sh ($171K)2026-05-26: Sale, 628 sh ($168K)2026-05-26: Sale, 473 sh ($129K)2026-05-26: Sale, 364 sh ($97K)2026-05-26: Sale, 126 sh ($35K)2026-05-22: Sale, 916 sh ($234K)2026-05-22: Sale, 239 sh ($60K)2026-05-22: Sale, 218 sh ($55K)2026-05-22: Sale, 172 sh ($43K)2026-05-22: Sale, 149 sh ($38K)2026-05-22: Sale, 97 sh ($25K)2026-05-22: Sale, 75 sh ($19K)2026-05-22: Sale, 64 sh ($16K)2026-05-22: Sale, 47 sh ($12K)2026-05-21: Sale, 1,131 sh ($282K)2026-05-21: Sale, 672 sh ($161K)2026-05-21: Sale, 569 sh ($143K)2026-05-21: Sale, 521 sh ($127K)2026-05-21: Sale, 472 sh ($118K)2026-05-21: Sale, 362 sh ($87K)2026-05-21: Sale, 261 sh ($66K)2026-05-21: Sale, 229 sh ($56K)2026-05-21: Sale, 179 sh ($46K)2026-05-21: Sale, 179 sh ($45K)2026-05-21: Sale, 136 sh ($33K)2026-05-21: Sale, 98 sh ($24K)2026-05-21: Sale, 6 sh ($2K)2026-05-13: Sale, 1,300 sh ($312K)2026-05-11: Sale, 2,262 sh ($526K)2026-05-11: Sale, 1,877 sh ($438K)2026-05-11: Sale, 1,498 sh ($352K)2026-05-11: Sale, 1,500 sh ($345K)2026-05-11: Sale, 1,363 sh ($321K)2026-05-11: Sale, 1,026 sh ($238K)2026-05-11: Sale, 400 sh ($95K)2026-05-05: Sale, 1,526 sh ($329K)2026-05-04: Option exercise, 3,802 sh ($0)2026-05-04: Option exercise, 3,802 sh ($0)2026-03-16: Sale, 1,937 sh ($389K)2026-03-13: Option exercise, 4,856 sh ($0)2026-03-13: Option exercise, 4,856 sh ($0)2026-03-09: Sale, 2,072 sh ($394K)2026-03-09: Sale, 1,703 sh ($324K)2026-03-09: Sale, 1,282 sh ($244K)2026-03-09: Sale, 480 sh ($91K)2026-03-06: Option exercise, 5,101 sh ($0)2026-03-06: Option exercise, 5,101 sh ($0)2026-03-06: Option exercise, 1,178 sh ($0)2026-03-06: Option exercise, 3,156 sh ($0)2026-03-06: Option exercise, 4,194 sh ($0)2026-03-06: Option exercise, 1,178 sh ($0)2026-03-06: Option exercise, 3,156 sh ($0)2026-03-06: Option exercise, 4,194 sh ($0)2026-03-06: Award / grant, 12,685 sh ($0)2026-03-03: Sale, 7,738 sh ($1.5M)2026-02-27: Award / grant, 17,664 sh ($0)2025-08-15: Sale, 512 sh ($104K)2025-08-15: Sale, 509 sh ($103K)2025-08-15: Sale, 192 sh ($37K)2025-08-15: Sale, 179 sh ($35K)2025-08-15: Sale, 160 sh ($32K)2025-08-15: Sale, 152 sh ($31K)2025-08-15: Sale, 152 sh ($29K)2025-08-15: Sale, 83 sh ($17K)2025-08-15: Sale, 83 sh ($16K)2025-08-15: Sale, 58 sh ($12K)2025-08-15: Sale, 47 sh ($9K)2025-08-15: Sale, 36 sh ($7K)2025-08-15: Sale, 34 sh ($7K)2025-08-15: Sale, 33 sh ($6K)2025-08-15: Sale, 30 sh ($6K)2025-08-15: Sale, 28 sh ($6K)2025-08-15: Sale, 24 sh ($5K)2025-08-15: Sale, 9 sh ($2K)2025-08-13: Sale, 1,367 sh ($254K)2025-08-13: Sale, 788 sh ($150K)2025-08-13: Sale, 786 sh ($147K)2025-08-13: Sale, 581 sh ($108K)2025-08-13: Sale, 274 sh ($52K)2025-08-12: Sale, 14,322 sh ($2.7M)2025-08-12: Sale, 5,456 sh ($1.0M)2025-08-12: Sale, 2,834 sh ($530K)2025-08-12: Sale, 900 sh ($165K)2025-08-12: Sale, 200 sh ($38K)2025-08-12: Sale, 200 sh ($36K)2025-05-01: Award / grant, 15,209 sh ($0)2025-03-17: Sale, 1,966 sh ($263K)2025-03-14: Option exercise, 4,856 sh ($0)2025-03-14: Option exercise, 4,856 sh ($0)2025-03-07: Sale, 1,272 sh ($169K)2025-03-06: Withheld for tax, 2,085 sh ($273K)2025-03-06: Withheld for tax, 482 sh ($63K)2025-03-06: Option exercise, 5,102 sh ($0)2025-03-06: Option exercise, 3,156 sh ($0)2025-03-06: Award / grant, 16,778 sh ($0)2025-03-06: Option exercise, 3,156 sh ($0)2025-03-06: Option exercise, 1,178 sh ($0)2025-03-06: Option exercise, 5,102 sh ($0)2025-03-06: Option exercise, 1,178 sh ($0)2025-02-28: Sale, 21,542 sh ($3.0M)2025-02-26: Withheld for tax, 29,754 sh ($4.7M)2025-02-26: Award / grant, 72,838 sh ($0)
ALB · 2 trades
2026-07-01: Award / grant, 1,250 sh ($0)2026-02-26: Award / grant, 325 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-26FSLRSale1,237 @ $266.60$330K−1.4% of holding85,455Form 4
2026-05-26FSLRSale1,009 @ $268.89$271K−1.2% of holding83,818Form 4
2026-05-26FSLRSale726 @ $271.23$197K−0.9% of holding82,460Form 4
2026-05-26FSLRSale632 @ $270.05$171K−0.8% of holding83,186Form 4
2026-05-26FSLRSale628 @ $267.72$168K−0.7% of holding84,827Form 4
2026-05-26FSLRSale473 @ $273.17$129K−0.6% of holding81,987Form 4
2026-05-26FSLRSale364 @ $265.15$97K−0.4% of holding86,692Form 4
2026-05-26FSLRSale126 @ $276.29$35K−0.2% of holding81,861Form 4
2026-05-22FSLRSale916 @ $254.93$234K−1.0% of holding87,391Form 4
2026-05-22FSLRSale239 @ $250.02$60K−0.3% of holding88,794Form 4
2026-05-22FSLRSale218 @ $253.63$55K−0.2% of holding88,307Form 4
2026-05-22FSLRSale172 @ $251.53$43K−0.2% of holding88,622Form 4
2026-05-22FSLRSale149 @ $257.55$38K−0.2% of holding87,103Form 4
2026-05-22FSLRSale97 @ $252.87$25K−0.1% of holding88,525Form 4
2026-05-22FSLRSale75 @ $256.32$19K−0.1% of holding87,252Form 4
2026-05-22FSLRSale64 @ $255.59$16K−0.1% of holding87,327Form 4
2026-05-22FSLRSale47 @ $258.48$12K−0.1% of holding87,056Form 4
2026-05-21FSLRSale1,131 @ $249.70$282K−1.2% of holding91,041Form 4
2026-05-21FSLRSale672 @ $240.10$161K−0.7% of holding93,176Form 4
2026-05-21FSLRSale569 @ $251.64$143K−0.6% of holding90,000Form 4
2026-05-21FSLRSale521 @ $243.19$127K−0.6% of holding89,033Form 4
2026-05-21FSLRSale472 @ $250.61$118K−0.5% of holding90,569Form 4
2026-05-21FSLRSale362 @ $241.40$87K−0.4% of holding92,814Form 4
2026-05-21FSLRSale261 @ $254.29$66K−0.3% of holding89,739Form 4
2026-05-21FSLRSale229 @ $246.23$56K−0.2% of holding92,449Form 4
2026-05-21FSLRSale179 @ $255.31$46K−0.2% of holding89,560Form 4
2026-05-21FSLRSale179 @ $248.80$45K−0.2% of holding92,172Form 4
2026-05-21FSLRSale136 @ $244.62$33K−0.1% of holding92,678Form 4
2026-05-21FSLRSale98 @ $247.53$24K−0.1% of holding92,351Form 4
2026-05-21FSLRSale6 @ $256.96$2K−0.0% of holding89,554Form 4
2026-05-13FSLRSale1,300 @ $240.02$312K−1.4% of holding93,848Form 4
2026-05-11FSLRSale2,262 @ $232.55$526K−2.2% of holding100,286Form 4
2026-05-11FSLRSale1,877 @ $233.56$438K−1.9% of holding98,409Form 4
2026-05-11FSLRSale1,498 @ $234.84$352K−1.5% of holding96,911Form 4
2026-05-11FSLRSale1,500 @ $230.18$345K−1.4% of holding103,574Form 4
2026-05-11FSLRSale1,363 @ $235.69$321K−1.4% of holding95,548Form 4
2026-05-11FSLRSale1,026 @ $231.53$238K−1.0% of holding102,548Form 4
2026-05-11FSLRSale400 @ $236.53$95K−0.4% of holding95,148Form 4
2026-05-05FSLRSale1,526 @ $215.63$329K−1.4% of holding105,074Form 4
2026-03-16FSLRSale1,937 @ $200.80$389K−1.8% of holding102,798Form 4
2026-03-09FSLRSale2,072 @ $190.36$394K−2.0% of holding103,344Form 4
2026-03-09FSLRSale1,703 @ $190.36$324K−1.7% of holding99,879Form 4
2026-03-09FSLRSale1,282 @ $190.36$244K−1.2% of holding101,582Form 4
2026-03-09FSLRSale480 @ $190.36$91K−0.5% of holding102,864Form 4
2026-03-03FSLRSale7,738 @ $195.93$1.5M−7.8% of holding91,787Form 4
2025-08-15FSLRSale512 @ $203.97$104K−0.6% of holding81,978Form 4
2025-08-15FSLRSale509 @ $203.08$103K−0.6% of holding82,490Form 4
2025-08-15FSLRSale192 @ $191.30$37K−0.2% of holding83,782Form 4
2025-08-15FSLRSale179 @ $195.19$35K−0.2% of holding83,516Form 4
2025-08-15FSLRSale160 @ $199.84$32K−0.2% of holding83,179Form 4
2025-08-15FSLRSale152 @ $202.13$31K−0.2% of holding82,999Form 4
2025-08-15FSLRSale152 @ $189.98$29K−0.2% of holding83,974Form 4
2025-08-15FSLRSale83 @ $205.05$17K−0.1% of holding81,895Form 4
2025-08-15FSLRSale83 @ $197.84$16K−0.1% of holding83,397Form 4
2025-08-15FSLRSale58 @ $198.68$12K−0.1% of holding83,339Form 4
2025-08-15FSLRSale47 @ $185.15$9K−0.1% of holding84,135Form 4
2025-08-15FSLRSale36 @ $196.64$7K−0.0% of holding83,480Form 4
2025-08-15FSLRSale34 @ $205.92$7K−0.0% of holding81,861Form 4
2025-08-15FSLRSale33 @ $192.80$6K−0.0% of holding83,719Form 4
2025-08-15FSLRSale30 @ $192.35$6K−0.0% of holding83,752Form 4
2025-08-15FSLRSale28 @ $200.92$6K−0.0% of holding83,151Form 4
2025-08-15FSLRSale24 @ $194.25$5K−0.0% of holding83,695Form 4
2025-08-15FSLRSale9 @ $186.47$2K−0.0% of holding84,126Form 4
2025-08-13FSLRSale1,367 @ $185.45$254K−1.6% of holding86,611Form 4
2025-08-13FSLRSale788 @ $189.91$150K−0.9% of holding84,182Form 4
2025-08-13FSLRSale786 @ $187.38$147K−0.9% of holding85,244Form 4
2025-08-13FSLRSale581 @ $186.58$108K−0.7% of holding86,030Form 4
2025-08-13FSLRSale274 @ $188.82$52K−0.3% of holding84,970Form 4
2025-08-12FSLRSale14,322 @ $185.04$2.7M−12.9% of holding96,468Form 4
2025-08-12FSLRSale5,456 @ $186.17$1.0M−5.7% of holding91,012Form 4
2025-08-12FSLRSale2,834 @ $186.97$530K−3.1% of holding88,178Form 4
2025-08-12FSLRSale900 @ $183.79$165K−0.8% of holding110,790Form 4
2025-08-12FSLRSale200 @ $187.74$38K−0.2% of holding87,978Form 4
2025-08-12FSLRSale200 @ $181.78$36K−0.2% of holding111,690Form 4
2025-03-17FSLRSale1,966 @ $133.75$263K−1.7% of holding111,890Form 4
2025-03-07FSLRSale1,272 @ $132.96$169K−1.2% of holding109,000Form 4
2025-02-28FSLRSale21,542 @ $141.09$3.0M−17.2% of holding103,403Form 4
30 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-01ALBAward / grant1,2501,576Form 4
2026-05-04FSLROption exercise3,80211,407Form 4
2026-05-04FSLROption exercise3,802106,600Form 4
2026-03-13FSLROption exercise4,8564,856Form 4
2026-03-13FSLROption exercise4,856104,735Form 4
2026-03-06FSLROption exercise5,1010Form 4
2026-03-06FSLROption exercise5,10196,888Form 4
2026-03-06FSLROption exercise1,17898,066Form 4
2026-03-06FSLROption exercise3,156101,222Form 4
2026-03-06FSLROption exercise4,194105,416Form 4
2026-03-06FSLROption exercise1,1782,354Form 4
2026-03-06FSLROption exercise3,1566,313Form 4
2026-03-06FSLROption exercise4,19412,584Form 4
2026-03-06FSLRAward / grant12,68512,685Form 4
2026-02-27FSLRAward / grant17,66499,525Form 4
2026-02-26ALBAward / grant325325Form 4
2025-05-01FSLRAward / grant15,20915,209Form 4
2025-03-14FSLROption exercise4,856113,856Form 4
2025-03-14FSLROption exercise4,8569,712Form 4
2025-03-06FSLRWithheld for tax2,085106,420Form 4
2025-03-06FSLRWithheld for tax482107,116Form 4
2025-03-06FSLROption exercise5,102108,505Form 4
2025-03-06FSLROption exercise3,156110,272Form 4
2025-03-06FSLRAward / grant16,77816,778Form 4
2025-03-06FSLROption exercise3,1569,469Form 4
2025-03-06FSLROption exercise1,1783,532Form 4
2025-03-06FSLROption exercise5,1025,101Form 4
2025-03-06FSLROption exercise1,178107,598Form 4
2025-02-26FSLRWithheld for tax29,754124,945Form 4
2025-02-26FSLRAward / grant72,838154,699Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.